Trial Outcomes & Findings for A Study Assessing the Safety of Oral ATH-399A in Healthy Adult Participants (NCT NCT06088784)

NCT ID: NCT06088784

Last Updated: 2025-12-19

Results Overview

Participants with abnormal findings on physical and neurological examination (pooled data from the whole study)

Recruitment status

COMPLETED

Study phase

PHASE1

Target enrollment

76 participants

Primary outcome timeframe

Part 1a, 1b, 2: Screening, D-1, D3 (Discharge or early termination), Follow-Up: Part 1a: Day 8, Part 1b: Day 16; and Part 2: Day 19

Results posted on

2025-12-19

Participant Flow

Part 1a: 40 participants randomized Part 1b: 12 participants randomized Part 2: 24 participants randomized

Participant milestones

Participant milestones
Measure
Part 1a (SAD): ATH-399A 5 mg
Each participant received a single oral dose of 5 mg of ATH-399A.
Part 1a (SAD): ATH-399A 10 mg
Each participant received a single oral dose of 10 mg of ATH-399A.
Part 1a (SAD): ATH-399A 20 mg
Each participant received a single oral dose of 20 mg of ATH-399A.
Part 1a (SAD): ATH-399A 40 mg
Each participant received a single oral dose of 40 mg of ATH-399A.
Part 1a (SAD): ATH-399A 80 mg
Each participant received a single oral dose of 80 mg of ATH-399A.
Part 1a (SAD): Placebo
Each participant received a single dose of matching placebo.
Part 1b (Food Effect): ATH-399A 40 mg, Sequence AB
Participants in Part 1b were randomized to one of the 2 arms to receive study drugs in the cross-over sequence AB or BA. * Treatment A: ATH-399A 40 mg was administered following a high-fat, high-calorie meal. * Treatment B: Participants were restricted from eating 10 hours prior to and 4 hours following ATH-399A 40 mg administration.
Part 1b (Food Effect): ATH-399A 40 mg, Sequence BA
Participants in Part 1b were randomized to one of the 2 arms to receive study drugs in the cross-over sequence AB or BA. * Treatment A: ATH-399A 40 mg was administered following a high-fat, high-calorie meal. * Treatment B: Participants were restricted from eating 10 hours prior to and 4 hours following ATH-399A 40 mg administration.
Part 2 (MAD): ATH-399A 20 mg
Each participant received ATH-399A 20 mg once daily from Day 1 to Day 12. Participants underwent a supervised fast for at least 10 hours prior to dosing, followed by an additional 4 hours of fasting post-dose.
Part 2 (MAD): ATH-399A 40 mg
Each participant received ATH-399A 40 mg once daily from Day 1 to Day 12. Participants underwent a supervised fast for at least 10 hours prior to dosing, followed by an additional 4 hours of fasting post-dose.
Part 2 (MAD): ATH-399A 40 mg, Older
Each participant aged \>55-80 years received ATH-399A 40 mg once daily from Day 1 to Day 12. Participants underwent a supervised fast for at least 10 hours prior to dosing, followed by an additional 4 hours of fasting post-dose.
Part 2 (MAD): Placebo
Each participant received a single dose of matching placebo.
Overall Study
STARTED
6
6
6
6
6
10
6
6
6
6
6
6
Overall Study
COMPLETED
6
6
6
6
6
10
2
6
6
6
6
6
Overall Study
NOT COMPLETED
0
0
0
0
0
0
4
0
0
0
0
0

Reasons for withdrawal

Reasons for withdrawal
Measure
Part 1a (SAD): ATH-399A 5 mg
Each participant received a single oral dose of 5 mg of ATH-399A.
Part 1a (SAD): ATH-399A 10 mg
Each participant received a single oral dose of 10 mg of ATH-399A.
Part 1a (SAD): ATH-399A 20 mg
Each participant received a single oral dose of 20 mg of ATH-399A.
Part 1a (SAD): ATH-399A 40 mg
Each participant received a single oral dose of 40 mg of ATH-399A.
Part 1a (SAD): ATH-399A 80 mg
Each participant received a single oral dose of 80 mg of ATH-399A.
Part 1a (SAD): Placebo
Each participant received a single dose of matching placebo.
Part 1b (Food Effect): ATH-399A 40 mg, Sequence AB
Participants in Part 1b were randomized to one of the 2 arms to receive study drugs in the cross-over sequence AB or BA. * Treatment A: ATH-399A 40 mg was administered following a high-fat, high-calorie meal. * Treatment B: Participants were restricted from eating 10 hours prior to and 4 hours following ATH-399A 40 mg administration.
Part 1b (Food Effect): ATH-399A 40 mg, Sequence BA
Participants in Part 1b were randomized to one of the 2 arms to receive study drugs in the cross-over sequence AB or BA. * Treatment A: ATH-399A 40 mg was administered following a high-fat, high-calorie meal. * Treatment B: Participants were restricted from eating 10 hours prior to and 4 hours following ATH-399A 40 mg administration.
Part 2 (MAD): ATH-399A 20 mg
Each participant received ATH-399A 20 mg once daily from Day 1 to Day 12. Participants underwent a supervised fast for at least 10 hours prior to dosing, followed by an additional 4 hours of fasting post-dose.
Part 2 (MAD): ATH-399A 40 mg
Each participant received ATH-399A 40 mg once daily from Day 1 to Day 12. Participants underwent a supervised fast for at least 10 hours prior to dosing, followed by an additional 4 hours of fasting post-dose.
Part 2 (MAD): ATH-399A 40 mg, Older
Each participant aged \>55-80 years received ATH-399A 40 mg once daily from Day 1 to Day 12. Participants underwent a supervised fast for at least 10 hours prior to dosing, followed by an additional 4 hours of fasting post-dose.
Part 2 (MAD): Placebo
Each participant received a single dose of matching placebo.
Overall Study
Adverse Event
0
0
0
0
0
0
3
0
0
0
0
0
Overall Study
Exclusion criterion: QTcF >450 msec
0
0
0
0
0
0
1
0
0
0
0
0

Baseline Characteristics

A Study Assessing the Safety of Oral ATH-399A in Healthy Adult Participants

Baseline characteristics by cohort

Baseline characteristics by cohort
Measure
Part 1a (SAD): ATH-399A 5 mg
n=6 Participants
Each participant received a single oral dose of 5 mg of ATH-399A.
Part 1a (SAD): ATH-399A 10 mg
n=6 Participants
Each participant received a single oral dose of 10 mg of ATH-399A.
Part 1a (SAD): ATH-399A 20 mg
n=6 Participants
Each participant received a single oral dose of 20 mg of ATH-399A.
Part 1a (SAD): ATH-399A 40 mg
n=6 Participants
Each participant received a single oral dose of 40 mg of ATH-399A.
Part 1a (SAD): ATH-399A 80 mg
n=6 Participants
Each participant received a single oral dose of 80 mg of ATH-399A.
Part 1a (SAD): Placebo
n=10 Participants
Each participant received a single dose of matching placebo.
Part 1b (Food Effect): ATH-399A 40 mg, Sequence AB
n=6 Participants
Participants in Part 1b were randomized to one of the 2 arms to receive study drugs in the cross-over sequence AB or BA. * Treatment A: ATH-399A 40 mg was administered following a high-fat, high-calorie meal. * Treatment B: Participants were restricted from eating 10 hours prior to and 4 hours following ATH-399A 40 mg administration.
Part 1b (Food Effect): ATH-399A 40 mg, Sequence BA
n=6 Participants
Participants in Part 1b were randomized to one of the 2 arms to receive study drugs in the cross-over sequence AB or BA. * Treatment A: ATH-399A 40 mg was administered following a high-fat, high-calorie meal. * Treatment B: Participants were restricted from eating 10 hours prior to and 4 hours following ATH-399A 40 mg administration.
Part 2 (MAD): ATH-399A 20 mg
n=6 Participants
Each participant received ATH-399A 20 mg once daily from Day 1 to Day 12. Participants underwent a supervised fast for at least 10 hours prior to dosing, followed by an additional 4 hours of fasting post-dose.
Part 2 (MAD): ATH-399A 40 mg
n=6 Participants
Each participant received ATH-399A 40 mg once daily from Day 1 to Day 12. Participants underwent a supervised fast for at least 10 hours prior to dosing, followed by an additional 4 hours of fasting post-dose.
Part 2 (MAD): ATH-399A 40 mg, Older
n=6 Participants
Each participant aged \>55-80 years received ATH-399A 40 mg once daily from Day 1 to Day 12. Participants underwent a supervised fast for at least 10 hours prior to dosing, followed by an additional 4 hours of fasting post-dose.
Part 2 (MAD): Placebo
n=6 Participants
Each participant received a single dose of matching placebo.
Total
n=76 Participants
Total of all reporting groups
Age, Continuous
36.7 years
STANDARD_DEVIATION 8.07 • n=9 Participants
35.5 years
STANDARD_DEVIATION 10.80 • n=6 Participants
50.0 years
STANDARD_DEVIATION 5.29 • n=9 Participants
39.0 years
STANDARD_DEVIATION 8.88 • n=17 Participants
42.8 years
STANDARD_DEVIATION 5.46 • n=16 Participants
39.2 years
STANDARD_DEVIATION 8.88 • n=82 Participants
37.0 years
STANDARD_DEVIATION 13.34 • n=13 Participants
41.5 years
STANDARD_DEVIATION 10.05 • n=335 Participants
35.7 years
STANDARD_DEVIATION 11.72 • n=451 Participants
47.0 years
STANDARD_DEVIATION 6.96 • n=6 Participants
64.8 years
STANDARD_DEVIATION 5.31 • n=6 Participants
50.2 years
STANDARD_DEVIATION 12.64 • n=6 Participants
43.07 years
STANDARD_DEVIATION 11.8292 • n=6 Participants
Sex: Female, Male
Female
3 Participants
n=9 Participants
2 Participants
n=6 Participants
4 Participants
n=9 Participants
0 Participants
n=17 Participants
4 Participants
n=16 Participants
6 Participants
n=82 Participants
2 Participants
n=13 Participants
3 Participants
n=335 Participants
2 Participants
n=451 Participants
1 Participants
n=6 Participants
3 Participants
n=6 Participants
2 Participants
n=6 Participants
32 Participants
n=6 Participants
Sex: Female, Male
Male
3 Participants
n=9 Participants
4 Participants
n=6 Participants
2 Participants
n=9 Participants
6 Participants
n=17 Participants
2 Participants
n=16 Participants
4 Participants
n=82 Participants
4 Participants
n=13 Participants
3 Participants
n=335 Participants
4 Participants
n=451 Participants
5 Participants
n=6 Participants
3 Participants
n=6 Participants
4 Participants
n=6 Participants
44 Participants
n=6 Participants
Ethnicity (NIH/OMB)
Hispanic or Latino
1 Participants
n=9 Participants
1 Participants
n=6 Participants
2 Participants
n=9 Participants
2 Participants
n=17 Participants
2 Participants
n=16 Participants
0 Participants
n=82 Participants
3 Participants
n=13 Participants
2 Participants
n=335 Participants
0 Participants
n=451 Participants
3 Participants
n=6 Participants
1 Participants
n=6 Participants
2 Participants
n=6 Participants
19 Participants
n=6 Participants
Ethnicity (NIH/OMB)
Not Hispanic or Latino
5 Participants
n=9 Participants
5 Participants
n=6 Participants
4 Participants
n=9 Participants
4 Participants
n=17 Participants
4 Participants
n=16 Participants
10 Participants
n=82 Participants
3 Participants
n=13 Participants
4 Participants
n=335 Participants
6 Participants
n=451 Participants
3 Participants
n=6 Participants
5 Participants
n=6 Participants
4 Participants
n=6 Participants
57 Participants
n=6 Participants
Ethnicity (NIH/OMB)
Unknown or Not Reported
0 Participants
n=9 Participants
0 Participants
n=6 Participants
0 Participants
n=9 Participants
0 Participants
n=17 Participants
0 Participants
n=16 Participants
0 Participants
n=82 Participants
0 Participants
n=13 Participants
0 Participants
n=335 Participants
0 Participants
n=451 Participants
0 Participants
n=6 Participants
0 Participants
n=6 Participants
0 Participants
n=6 Participants
0 Participants
n=6 Participants
Race (NIH/OMB)
American Indian or Alaska Native
0 Participants
n=9 Participants
0 Participants
n=6 Participants
0 Participants
n=9 Participants
0 Participants
n=17 Participants
0 Participants
n=16 Participants
0 Participants
n=82 Participants
0 Participants
n=13 Participants
0 Participants
n=335 Participants
0 Participants
n=451 Participants
0 Participants
n=6 Participants
0 Participants
n=6 Participants
0 Participants
n=6 Participants
0 Participants
n=6 Participants
Race (NIH/OMB)
Asian
1 Participants
n=9 Participants
0 Participants
n=6 Participants
0 Participants
n=9 Participants
0 Participants
n=17 Participants
0 Participants
n=16 Participants
0 Participants
n=82 Participants
0 Participants
n=13 Participants
0 Participants
n=335 Participants
0 Participants
n=451 Participants
0 Participants
n=6 Participants
0 Participants
n=6 Participants
0 Participants
n=6 Participants
1 Participants
n=6 Participants
Race (NIH/OMB)
Native Hawaiian or Other Pacific Islander
0 Participants
n=9 Participants
0 Participants
n=6 Participants
0 Participants
n=9 Participants
0 Participants
n=17 Participants
0 Participants
n=16 Participants
0 Participants
n=82 Participants
0 Participants
n=13 Participants
0 Participants
n=335 Participants
0 Participants
n=451 Participants
0 Participants
n=6 Participants
0 Participants
n=6 Participants
0 Participants
n=6 Participants
0 Participants
n=6 Participants
Race (NIH/OMB)
Black or African American
0 Participants
n=9 Participants
1 Participants
n=6 Participants
0 Participants
n=9 Participants
3 Participants
n=17 Participants
0 Participants
n=16 Participants
0 Participants
n=82 Participants
0 Participants
n=13 Participants
0 Participants
n=335 Participants
1 Participants
n=451 Participants
1 Participants
n=6 Participants
0 Participants
n=6 Participants
1 Participants
n=6 Participants
7 Participants
n=6 Participants
Race (NIH/OMB)
White
5 Participants
n=9 Participants
5 Participants
n=6 Participants
6 Participants
n=9 Participants
3 Participants
n=17 Participants
6 Participants
n=16 Participants
10 Participants
n=82 Participants
6 Participants
n=13 Participants
6 Participants
n=335 Participants
5 Participants
n=451 Participants
5 Participants
n=6 Participants
6 Participants
n=6 Participants
5 Participants
n=6 Participants
68 Participants
n=6 Participants
Race (NIH/OMB)
More than one race
0 Participants
n=9 Participants
0 Participants
n=6 Participants
0 Participants
n=9 Participants
0 Participants
n=17 Participants
0 Participants
n=16 Participants
0 Participants
n=82 Participants
0 Participants
n=13 Participants
0 Participants
n=335 Participants
0 Participants
n=451 Participants
0 Participants
n=6 Participants
0 Participants
n=6 Participants
0 Participants
n=6 Participants
0 Participants
n=6 Participants
Race (NIH/OMB)
Unknown or Not Reported
0 Participants
n=9 Participants
0 Participants
n=6 Participants
0 Participants
n=9 Participants
0 Participants
n=17 Participants
0 Participants
n=16 Participants
0 Participants
n=82 Participants
0 Participants
n=13 Participants
0 Participants
n=335 Participants
0 Participants
n=451 Participants
0 Participants
n=6 Participants
0 Participants
n=6 Participants
0 Participants
n=6 Participants
0 Participants
n=6 Participants
Height
168.67 cm
STANDARD_DEVIATION 8.134 • n=9 Participants
171.08 cm
STANDARD_DEVIATION 6.931 • n=6 Participants
163.73 cm
STANDARD_DEVIATION 8.188 • n=9 Participants
176.57 cm
STANDARD_DEVIATION 9.528 • n=17 Participants
168.33 cm
STANDARD_DEVIATION 6.439 • n=16 Participants
166.70 cm
STANDARD_DEVIATION 12.541 • n=82 Participants
170.92 cm
STANDARD_DEVIATION 8.357 • n=13 Participants
167.68 cm
STANDARD_DEVIATION 7.427 • n=335 Participants
172.70 cm
STANDARD_DEVIATION 10.050 • n=451 Participants
171.83 cm
STANDARD_DEVIATION 7.757 • n=6 Participants
170.68 cm
STANDARD_DEVIATION 7.105 • n=6 Participants
174.25 cm
STANDARD_DEVIATION 8.802 • n=6 Participants
170.08 cm
STANDARD_DEVIATION 8.8719 • n=6 Participants
Weight
70.43 kg
STANDARD_DEVIATION 11.316 • n=9 Participants
71.83 kg
STANDARD_DEVIATION 7.689 • n=6 Participants
64.52 kg
STANDARD_DEVIATION 11.874 • n=9 Participants
79.93 kg
STANDARD_DEVIATION 15.591 • n=17 Participants
74.25 kg
STANDARD_DEVIATION 12.798 • n=16 Participants
67.15 kg
STANDARD_DEVIATION 9.957 • n=82 Participants
76.12 kg
STANDARD_DEVIATION 14.787 • n=13 Participants
69.20 kg
STANDARD_DEVIATION 11.516 • n=335 Participants
72.87 kg
STANDARD_DEVIATION 15.164 • n=451 Participants
79.92 kg
STANDARD_DEVIATION 10.198 • n=6 Participants
69.92 kg
STANDARD_DEVIATION 11.940 • n=6 Participants
76.10 kg
STANDARD_DEVIATION 12.381 • n=6 Participants
72.39 kg
STANDARD_DEVIATION 12.1717 • n=6 Participants
Body Mass Index (BMI)
24.72 kg/m2
STANDARD_DEVIATION 3.277 • n=9 Participants
24.50 kg/m2
STANDARD_DEVIATION 1.971 • n=6 Participants
23.97 kg/m2
STANDARD_DEVIATION 3.236 • n=9 Participants
25.48 kg/m2
STANDARD_DEVIATION 3.388 • n=17 Participants
26.03 kg/m2
STANDARD_DEVIATION 3.027 • n=16 Participants
24.16 kg/m2
STANDARD_DEVIATION 2.476 • n=82 Participants
25.90 kg/m2
STANDARD_DEVIATION 3.551 • n=13 Participants
24.60 kg/m2
STANDARD_DEVIATION 3.529 • n=335 Participants
24.22 kg/m2
STANDARD_DEVIATION 3.573 • n=451 Participants
26.93 kg/m2
STANDARD_DEVIATION 1.507 • n=6 Participants
23.87 kg/m2
STANDARD_DEVIATION 2.889 • n=6 Participants
24.93 kg/m2
STANDARD_DEVIATION 2.479 • n=6 Participants
24.90 kg/m2
STANDARD_DEVIATION 2.8730 • n=6 Participants

PRIMARY outcome

Timeframe: Continuously during study period from baseline to follow-up visit: Part 1a: Day-1 to Day 8, Part 1b: Day-1 to Day 16; and Part 2: Day -1 to Day 19

An AE was defined as any untoward medical occurrence in a clinical study participant, temporally associated with the use of study drug, whether or not considered related to the study drug.

Outcome measures

Outcome measures
Measure
Part 1b (Food Effect): ATH-399A 40 mg, Fed
n=12 Participants
ATH-399A 40 mg was administered following a high-fat, high-calorie meal.
Part 1b (Food Effect): ATH-399A 40 mg, Fasted
n=8 Participants
Participants were restricted from eating 10 hours prior to and 4 hours following ATH-399A 40 mg administration.
Part 1b (Food Effect): ATH-399A 40 mg, Fed
n=10 Participants
ATH-399A 40 mg was administered following a high-fat, high-calorie meal.
Part 1a (SAD): ATH-399A 80 mg
n=6 Participants
Each participant received a single oral dose of 80 mg of ATH-399A.
Part 1a (SAD): ATH-399A 10 mg
n=6 Participants
Each participant received a single oral dose of 10 mg of ATH-399A.
Part 1a (SAD): ATH-399A 20 mg
n=6 Participants
Each participant received a single oral dose of 20 mg of ATH-399A.
Part 1a (SAD): ATH-399A 40 mg
n=6 Participants
Each participant received a single oral dose of 40 mg of ATH-399A.
Part 2 (MAD): Placebo
n=6 Participants
Each participant received a single dose of matching placebo.
Part 1a (SAD): ATH-399A 5 mg
n=6 Participants
Each participant received a single oral dose of 5 mg of ATH-399A.
Part 2 (MAD): ATH-399A 20 mg
n=6 Participants
Each participant received ATH-399A 20 mg once daily from Day 1 to Day 12. Participants underwent a supervised fast for at least 10 hours prior to dosing, followed by an additional 4 hours of fasting post-dose.
Part 2 (MAD): ATH-399A 40 mg
n=6 Participants
Each participant received ATH-399A 40 mg once daily from Day 1 to Day 12. Participants underwent a supervised fast for at least 10 hours prior to dosing, followed by an additional 4 hours of fasting post-dose.
Part 2 (MAD): ATH-399A 40 mg, Older
n=6 Participants
Each participant aged \>55-80 years received ATH-399A 40 mg once daily from Day 1 to Day 12. Participants underwent a supervised fast for at least 10 hours prior to dosing, followed by an additional 4 hours of fasting post-dose.
Number of TEAEs
3 Treatment Emergent Adverse Event
1 Treatment Emergent Adverse Event
3 Treatment Emergent Adverse Event
2 Treatment Emergent Adverse Event
2 Treatment Emergent Adverse Event
1 Treatment Emergent Adverse Event
3 Treatment Emergent Adverse Event
6 Treatment Emergent Adverse Event
4 Treatment Emergent Adverse Event
4 Treatment Emergent Adverse Event
2 Treatment Emergent Adverse Event
10 Treatment Emergent Adverse Event

PRIMARY outcome

Timeframe: Continuously during study period from baseline to follow-up visit: Part 1a: Day-1 to Day 8, Part 1b: Day-1 to Day 16; and Part 2: Day -1 to Day 19

Participants with at least one AE started or after the time of first study drug administration.

Outcome measures

Outcome measures
Measure
Part 1b (Food Effect): ATH-399A 40 mg, Fed
n=12 Participants
ATH-399A 40 mg was administered following a high-fat, high-calorie meal.
Part 1b (Food Effect): ATH-399A 40 mg, Fasted
n=8 Participants
Participants were restricted from eating 10 hours prior to and 4 hours following ATH-399A 40 mg administration.
Part 1b (Food Effect): ATH-399A 40 mg, Fed
n=10 Participants
ATH-399A 40 mg was administered following a high-fat, high-calorie meal.
Part 1a (SAD): ATH-399A 80 mg
n=6 Participants
Each participant received a single oral dose of 80 mg of ATH-399A.
Part 1a (SAD): ATH-399A 10 mg
n=6 Participants
Each participant received a single oral dose of 10 mg of ATH-399A.
Part 1a (SAD): ATH-399A 20 mg
n=6 Participants
Each participant received a single oral dose of 20 mg of ATH-399A.
Part 1a (SAD): ATH-399A 40 mg
n=6 Participants
Each participant received a single oral dose of 40 mg of ATH-399A.
Part 2 (MAD): Placebo
n=6 Participants
Each participant received a single dose of matching placebo.
Part 1a (SAD): ATH-399A 5 mg
n=6 Participants
Each participant received a single oral dose of 5 mg of ATH-399A.
Part 2 (MAD): ATH-399A 20 mg
n=6 Participants
Each participant received ATH-399A 20 mg once daily from Day 1 to Day 12. Participants underwent a supervised fast for at least 10 hours prior to dosing, followed by an additional 4 hours of fasting post-dose.
Part 2 (MAD): ATH-399A 40 mg
n=6 Participants
Each participant received ATH-399A 40 mg once daily from Day 1 to Day 12. Participants underwent a supervised fast for at least 10 hours prior to dosing, followed by an additional 4 hours of fasting post-dose.
Part 2 (MAD): ATH-399A 40 mg, Older
n=6 Participants
Each participant aged \>55-80 years received ATH-399A 40 mg once daily from Day 1 to Day 12. Participants underwent a supervised fast for at least 10 hours prior to dosing, followed by an additional 4 hours of fasting post-dose.
Participants With at Least 1 TEAE
3 Participants
1 Participants
2 Participants
1 Participants
1 Participants
1 Participants
2 Participants
2 Participants
4 Participants
3 Participants
2 Participants
3 Participants

PRIMARY outcome

Timeframe: Continuously during study period from baseline to follow-up visit: Part 1a: Day-1 to Day 8, Part 1b: Day-1 to Day 16; and Part 2: Day -1 to Day 19

An SAE was defined as any untoward medical occurrence that, at any dose, met one or more of the criteria listed: Resulted in death, was life-threatening, required inpatient hospitalization or prolongation of existing hospitalization, resulted in persistent or significant disability/incapacity, was a congenital anomaly/birth defect, or other situations.

Outcome measures

Outcome measures
Measure
Part 1b (Food Effect): ATH-399A 40 mg, Fed
n=12 Participants
ATH-399A 40 mg was administered following a high-fat, high-calorie meal.
Part 1b (Food Effect): ATH-399A 40 mg, Fasted
n=8 Participants
Participants were restricted from eating 10 hours prior to and 4 hours following ATH-399A 40 mg administration.
Part 1b (Food Effect): ATH-399A 40 mg, Fed
n=10 Participants
ATH-399A 40 mg was administered following a high-fat, high-calorie meal.
Part 1a (SAD): ATH-399A 80 mg
n=6 Participants
Each participant received a single oral dose of 80 mg of ATH-399A.
Part 1a (SAD): ATH-399A 10 mg
n=6 Participants
Each participant received a single oral dose of 10 mg of ATH-399A.
Part 1a (SAD): ATH-399A 20 mg
n=6 Participants
Each participant received a single oral dose of 20 mg of ATH-399A.
Part 1a (SAD): ATH-399A 40 mg
n=6 Participants
Each participant received a single oral dose of 40 mg of ATH-399A.
Part 2 (MAD): Placebo
n=6 Participants
Each participant received a single dose of matching placebo.
Part 1a (SAD): ATH-399A 5 mg
n=6 Participants
Each participant received a single oral dose of 5 mg of ATH-399A.
Part 2 (MAD): ATH-399A 20 mg
n=6 Participants
Each participant received ATH-399A 20 mg once daily from Day 1 to Day 12. Participants underwent a supervised fast for at least 10 hours prior to dosing, followed by an additional 4 hours of fasting post-dose.
Part 2 (MAD): ATH-399A 40 mg
n=6 Participants
Each participant received ATH-399A 40 mg once daily from Day 1 to Day 12. Participants underwent a supervised fast for at least 10 hours prior to dosing, followed by an additional 4 hours of fasting post-dose.
Part 2 (MAD): ATH-399A 40 mg, Older
n=6 Participants
Each participant aged \>55-80 years received ATH-399A 40 mg once daily from Day 1 to Day 12. Participants underwent a supervised fast for at least 10 hours prior to dosing, followed by an additional 4 hours of fasting post-dose.
Serious TEAEs
0 Serious Treatment Emergent Adverse Event
0 Serious Treatment Emergent Adverse Event
0 Serious Treatment Emergent Adverse Event
0 Serious Treatment Emergent Adverse Event
0 Serious Treatment Emergent Adverse Event
0 Serious Treatment Emergent Adverse Event
0 Serious Treatment Emergent Adverse Event
0 Serious Treatment Emergent Adverse Event
0 Serious Treatment Emergent Adverse Event
0 Serious Treatment Emergent Adverse Event
0 Serious Treatment Emergent Adverse Event
0 Serious Treatment Emergent Adverse Event

PRIMARY outcome

Timeframe: Part 1a, 1b: Screening, Day -1, Follow-up (1a - Day 16; 1b - Day 19); Part 2: Screening, Day -1, Day 13 (Discharge or early termination)

Population: Participants in each part were combined for reporting results given there were 0 reports across the study.

Number of participant whose answers indicate suicidal ideation and/or behavior at follow-up.

Outcome measures

Outcome measures
Measure
Part 1b (Food Effect): ATH-399A 40 mg, Fed
n=6 Participants
ATH-399A 40 mg was administered following a high-fat, high-calorie meal.
Part 1b (Food Effect): ATH-399A 40 mg, Fasted
n=10 Participants
Participants were restricted from eating 10 hours prior to and 4 hours following ATH-399A 40 mg administration.
Part 1b (Food Effect): ATH-399A 40 mg, Fed
n=6 Participants
ATH-399A 40 mg was administered following a high-fat, high-calorie meal.
Part 1a (SAD): ATH-399A 80 mg
n=6 Participants
Each participant received a single oral dose of 80 mg of ATH-399A.
Part 1a (SAD): ATH-399A 10 mg
n=12 Participants
Each participant received a single oral dose of 10 mg of ATH-399A.
Part 1a (SAD): ATH-399A 20 mg
n=6 Participants
Each participant received a single oral dose of 20 mg of ATH-399A.
Part 1a (SAD): ATH-399A 40 mg
n=6 Participants
Each participant received a single oral dose of 40 mg of ATH-399A.
Part 2 (MAD): Placebo
n=6 Participants
Each participant received a single dose of matching placebo.
Part 1a (SAD): ATH-399A 5 mg
n=6 Participants
Each participant received a single oral dose of 5 mg of ATH-399A.
Part 2 (MAD): ATH-399A 20 mg
n=8 Participants
Each participant received ATH-399A 20 mg once daily from Day 1 to Day 12. Participants underwent a supervised fast for at least 10 hours prior to dosing, followed by an additional 4 hours of fasting post-dose.
Part 2 (MAD): ATH-399A 40 mg
n=6 Participants
Each participant received ATH-399A 40 mg once daily from Day 1 to Day 12. Participants underwent a supervised fast for at least 10 hours prior to dosing, followed by an additional 4 hours of fasting post-dose.
Part 2 (MAD): ATH-399A 40 mg, Older
n=6 Participants
Each participant aged \>55-80 years received ATH-399A 40 mg once daily from Day 1 to Day 12. Participants underwent a supervised fast for at least 10 hours prior to dosing, followed by an additional 4 hours of fasting post-dose.
Suicidal Ideation and/or Behavior Detected in Columbia Suicidality Severity Rating Scale (C-SSRS)
0 Participants
0 Participants
0 Participants
0 Participants
0 Participants
0 Participants
0 Participants
0 Participants
0 Participants
0 Participants
0 Participants
0 Participants

PRIMARY outcome

Timeframe: From baseline to follow up visit: Part 1a: Day-1 to Day 8, Part 1b: Day-1 to Day 16; and Part 2: Day -1 to Day 19

Participants with abnormal QTcF on ECG (pooled data from the whole study duration)

Outcome measures

Outcome measures
Measure
Part 1b (Food Effect): ATH-399A 40 mg, Fed
n=12 Participants
ATH-399A 40 mg was administered following a high-fat, high-calorie meal.
Part 1b (Food Effect): ATH-399A 40 mg, Fasted
n=8 Participants
Participants were restricted from eating 10 hours prior to and 4 hours following ATH-399A 40 mg administration.
Part 1b (Food Effect): ATH-399A 40 mg, Fed
n=10 Participants
ATH-399A 40 mg was administered following a high-fat, high-calorie meal.
Part 1a (SAD): ATH-399A 80 mg
n=6 Participants
Each participant received a single oral dose of 80 mg of ATH-399A.
Part 1a (SAD): ATH-399A 10 mg
n=6 Participants
Each participant received a single oral dose of 10 mg of ATH-399A.
Part 1a (SAD): ATH-399A 20 mg
n=6 Participants
Each participant received a single oral dose of 20 mg of ATH-399A.
Part 1a (SAD): ATH-399A 40 mg
n=6 Participants
Each participant received a single oral dose of 40 mg of ATH-399A.
Part 2 (MAD): Placebo
n=6 Participants
Each participant received a single dose of matching placebo.
Part 1a (SAD): ATH-399A 5 mg
n=6 Participants
Each participant received a single oral dose of 5 mg of ATH-399A.
Part 2 (MAD): ATH-399A 20 mg
n=6 Participants
Each participant received ATH-399A 20 mg once daily from Day 1 to Day 12. Participants underwent a supervised fast for at least 10 hours prior to dosing, followed by an additional 4 hours of fasting post-dose.
Part 2 (MAD): ATH-399A 40 mg
n=6 Participants
Each participant received ATH-399A 40 mg once daily from Day 1 to Day 12. Participants underwent a supervised fast for at least 10 hours prior to dosing, followed by an additional 4 hours of fasting post-dose.
Part 2 (MAD): ATH-399A 40 mg, Older
n=6 Participants
Each participant aged \>55-80 years received ATH-399A 40 mg once daily from Day 1 to Day 12. Participants underwent a supervised fast for at least 10 hours prior to dosing, followed by an additional 4 hours of fasting post-dose.
QTcF Analysis
0 Participants
1 Participants
1 Participants
1 Participants
0 Participants
0 Participants
0 Participants
0 Participants
0 Participants
0 Participants
1 Participants
2 Participants

PRIMARY outcome

Timeframe: Day 1: predose and 1 hour post dosing

Diastolic blood pressure baseline value measured at basline Day 1 pre dose and Day 1 1 hour post dosing

Outcome measures

Outcome measures
Measure
Part 1b (Food Effect): ATH-399A 40 mg, Fed
n=12 Participants
ATH-399A 40 mg was administered following a high-fat, high-calorie meal.
Part 1b (Food Effect): ATH-399A 40 mg, Fasted
n=8 Participants
Participants were restricted from eating 10 hours prior to and 4 hours following ATH-399A 40 mg administration.
Part 1b (Food Effect): ATH-399A 40 mg, Fed
n=10 Participants
ATH-399A 40 mg was administered following a high-fat, high-calorie meal.
Part 1a (SAD): ATH-399A 80 mg
n=6 Participants
Each participant received a single oral dose of 80 mg of ATH-399A.
Part 1a (SAD): ATH-399A 10 mg
n=6 Participants
Each participant received a single oral dose of 10 mg of ATH-399A.
Part 1a (SAD): ATH-399A 20 mg
n=6 Participants
Each participant received a single oral dose of 20 mg of ATH-399A.
Part 1a (SAD): ATH-399A 40 mg
n=6 Participants
Each participant received a single oral dose of 40 mg of ATH-399A.
Part 2 (MAD): Placebo
n=6 Participants
Each participant received a single dose of matching placebo.
Part 1a (SAD): ATH-399A 5 mg
n=6 Participants
Each participant received a single oral dose of 5 mg of ATH-399A.
Part 2 (MAD): ATH-399A 20 mg
n=6 Participants
Each participant received ATH-399A 20 mg once daily from Day 1 to Day 12. Participants underwent a supervised fast for at least 10 hours prior to dosing, followed by an additional 4 hours of fasting post-dose.
Part 2 (MAD): ATH-399A 40 mg
n=6 Participants
Each participant received ATH-399A 40 mg once daily from Day 1 to Day 12. Participants underwent a supervised fast for at least 10 hours prior to dosing, followed by an additional 4 hours of fasting post-dose.
Part 2 (MAD): ATH-399A 40 mg, Older
n=6 Participants
Each participant aged \>55-80 years received ATH-399A 40 mg once daily from Day 1 to Day 12. Participants underwent a supervised fast for at least 10 hours prior to dosing, followed by an additional 4 hours of fasting post-dose.
Changes in Diastolic Blood Pressure
Baseline
69.8 mmHg
Standard Deviation 6.12
69.0 mmHg
Standard Deviation 4.81
71.0 mmHg
Standard Deviation 6.46
72.5 mmHg
Standard Deviation 7.87
70.8 mmHg
Standard Deviation 4.07
75.8 mmHg
Standard Deviation 7.39
70.7 mmHg
Standard Deviation 4.32
71.5 mmHg
Standard Deviation 7.77
68.8 mmHg
Standard Deviation 7.73
72.8 mmHg
Standard Deviation 3.19
72.0 mmHg
Standard Deviation 4.00
72.3 mmHg
Standard Deviation 1.97
Changes in Diastolic Blood Pressure
1 hour post dosing
66.1 mmHg
Standard Deviation 6.10
70.9 mmHg
Standard Deviation 6.13
70.7 mmHg
Standard Deviation 5.89
70.5 mmHg
Standard Deviation 7.18
69.2 mmHg
Standard Deviation 5.27
74.3 mmHg
Standard Deviation 6.74
71.8 mmHg
Standard Deviation 6.91
73.0 mmHg
Standard Deviation 9.57
67.5 mmHg
Standard Deviation 6.35
71.8 mmHg
Standard Deviation 5.12
70.8 mmHg
Standard Deviation 3.19
75.2 mmHg
Standard Deviation 3.19

PRIMARY outcome

Timeframe: Day 1 predose and 1 hour postdosing

Systolic blood pressure baseline value measured at basline Day 1 pre dose and Day 1 1 hour post dosing

Outcome measures

Outcome measures
Measure
Part 1b (Food Effect): ATH-399A 40 mg, Fed
n=12 Participants
ATH-399A 40 mg was administered following a high-fat, high-calorie meal.
Part 1b (Food Effect): ATH-399A 40 mg, Fasted
n=8 Participants
Participants were restricted from eating 10 hours prior to and 4 hours following ATH-399A 40 mg administration.
Part 1b (Food Effect): ATH-399A 40 mg, Fed
n=10 Participants
ATH-399A 40 mg was administered following a high-fat, high-calorie meal.
Part 1a (SAD): ATH-399A 80 mg
n=6 Participants
Each participant received a single oral dose of 80 mg of ATH-399A.
Part 1a (SAD): ATH-399A 10 mg
n=6 Participants
Each participant received a single oral dose of 10 mg of ATH-399A.
Part 1a (SAD): ATH-399A 20 mg
n=6 Participants
Each participant received a single oral dose of 20 mg of ATH-399A.
Part 1a (SAD): ATH-399A 40 mg
n=6 Participants
Each participant received a single oral dose of 40 mg of ATH-399A.
Part 2 (MAD): Placebo
n=6 Participants
Each participant received a single dose of matching placebo.
Part 1a (SAD): ATH-399A 5 mg
n=6 Participants
Each participant received a single oral dose of 5 mg of ATH-399A.
Part 2 (MAD): ATH-399A 20 mg
n=6 Participants
Each participant received ATH-399A 20 mg once daily from Day 1 to Day 12. Participants underwent a supervised fast for at least 10 hours prior to dosing, followed by an additional 4 hours of fasting post-dose.
Part 2 (MAD): ATH-399A 40 mg
n=6 Participants
Each participant received ATH-399A 40 mg once daily from Day 1 to Day 12. Participants underwent a supervised fast for at least 10 hours prior to dosing, followed by an additional 4 hours of fasting post-dose.
Part 2 (MAD): ATH-399A 40 mg, Older
n=6 Participants
Each participant aged \>55-80 years received ATH-399A 40 mg once daily from Day 1 to Day 12. Participants underwent a supervised fast for at least 10 hours prior to dosing, followed by an additional 4 hours of fasting post-dose.
Changes in Systolic Blood Pressure
1 hour post dosing
119.9 mmHg
Standard Deviation 13.99
116.5 mmHg
Standard Deviation 9.34
109.5 mmHg
Standard Deviation 9.00
108.3 mmHg
Standard Deviation 11.04
110.8 mmHg
Standard Deviation 7.36
117.0 mmHg
Standard Deviation 12.55
113.8 mmHg
Standard Deviation 10.23
113.5 mmHg
Standard Deviation 9.38
105.8 mmHg
Standard Deviation 7.65
114.7 mmHg
Standard Deviation 9.50
113.8 mmHg
Standard Deviation 5.12
123.7 mmHg
Standard Deviation 11.43
Changes in Systolic Blood Pressure
baseline
111.4 mmHg
Standard Deviation 8.05
110.1 mmHg
Standard Deviation 7.83
111.6 mmHg
Standard Deviation 9.13
111.8 mmHg
Standard Deviation 9.64
112.0 mmHg
Standard Deviation 4.20
119.7 mmHg
Standard Deviation 12.37
111.3 mmHg
Standard Deviation 5.24
112.7 mmHg
Standard Deviation 11.47
107.0 mmHg
Standard Deviation 7.21
114.3 mmHg
Standard Deviation 5.39
114.5 mmHg
Standard Deviation 9.97
116.3 mmHg
Standard Deviation 8.89

PRIMARY outcome

Timeframe: Day 1, 1 hour post-dose

Heart rate value measured at Day 1, 1 Hour Post-Dose

Outcome measures

Outcome measures
Measure
Part 1b (Food Effect): ATH-399A 40 mg, Fed
n=12 Participants
ATH-399A 40 mg was administered following a high-fat, high-calorie meal.
Part 1b (Food Effect): ATH-399A 40 mg, Fasted
n=8 Participants
Participants were restricted from eating 10 hours prior to and 4 hours following ATH-399A 40 mg administration.
Part 1b (Food Effect): ATH-399A 40 mg, Fed
n=10 Participants
ATH-399A 40 mg was administered following a high-fat, high-calorie meal.
Part 1a (SAD): ATH-399A 80 mg
n=6 Participants
Each participant received a single oral dose of 80 mg of ATH-399A.
Part 1a (SAD): ATH-399A 10 mg
n=6 Participants
Each participant received a single oral dose of 10 mg of ATH-399A.
Part 1a (SAD): ATH-399A 20 mg
n=6 Participants
Each participant received a single oral dose of 20 mg of ATH-399A.
Part 1a (SAD): ATH-399A 40 mg
n=6 Participants
Each participant received a single oral dose of 40 mg of ATH-399A.
Part 2 (MAD): Placebo
n=6 Participants
Each participant received a single dose of matching placebo.
Part 1a (SAD): ATH-399A 5 mg
n=6 Participants
Each participant received a single oral dose of 5 mg of ATH-399A.
Part 2 (MAD): ATH-399A 20 mg
n=6 Participants
Each participant received ATH-399A 20 mg once daily from Day 1 to Day 12. Participants underwent a supervised fast for at least 10 hours prior to dosing, followed by an additional 4 hours of fasting post-dose.
Part 2 (MAD): ATH-399A 40 mg
n=6 Participants
Each participant received ATH-399A 40 mg once daily from Day 1 to Day 12. Participants underwent a supervised fast for at least 10 hours prior to dosing, followed by an additional 4 hours of fasting post-dose.
Part 2 (MAD): ATH-399A 40 mg, Older
n=6 Participants
Each participant aged \>55-80 years received ATH-399A 40 mg once daily from Day 1 to Day 12. Participants underwent a supervised fast for at least 10 hours prior to dosing, followed by an additional 4 hours of fasting post-dose.
Heart Rate Value
65.3 beats/min
Standard Deviation 8.86
60.6 beats/min
Standard Deviation 5.71
64.7 beats/min
Standard Deviation 7.29
59.8 beats/min
Standard Deviation 6.05
58.3 beats/min
Standard Deviation 6.09
55.3 beats/min
Standard Deviation 5.16
63.0 beats/min
Standard Deviation 10.81
61.0 beats/min
Standard Deviation 7.46
59.7 beats/min
Standard Deviation 10.27
62.3 beats/min
Standard Deviation 6.22
58.7 beats/min
Standard Deviation 8.29
63.0 beats/min
Standard Deviation 9.21

PRIMARY outcome

Timeframe: Day 1, 1 Hour Post-Dose

Temperature value measured at Day 1, 1 Hour Post-Dose

Outcome measures

Outcome measures
Measure
Part 1b (Food Effect): ATH-399A 40 mg, Fed
n=12 Participants
ATH-399A 40 mg was administered following a high-fat, high-calorie meal.
Part 1b (Food Effect): ATH-399A 40 mg, Fasted
n=8 Participants
Participants were restricted from eating 10 hours prior to and 4 hours following ATH-399A 40 mg administration.
Part 1b (Food Effect): ATH-399A 40 mg, Fed
n=10 Participants
ATH-399A 40 mg was administered following a high-fat, high-calorie meal.
Part 1a (SAD): ATH-399A 80 mg
n=6 Participants
Each participant received a single oral dose of 80 mg of ATH-399A.
Part 1a (SAD): ATH-399A 10 mg
n=6 Participants
Each participant received a single oral dose of 10 mg of ATH-399A.
Part 1a (SAD): ATH-399A 20 mg
n=6 Participants
Each participant received a single oral dose of 20 mg of ATH-399A.
Part 1a (SAD): ATH-399A 40 mg
n=6 Participants
Each participant received a single oral dose of 40 mg of ATH-399A.
Part 2 (MAD): Placebo
n=6 Participants
Each participant received a single dose of matching placebo.
Part 1a (SAD): ATH-399A 5 mg
n=6 Participants
Each participant received a single oral dose of 5 mg of ATH-399A.
Part 2 (MAD): ATH-399A 20 mg
n=6 Participants
Each participant received ATH-399A 20 mg once daily from Day 1 to Day 12. Participants underwent a supervised fast for at least 10 hours prior to dosing, followed by an additional 4 hours of fasting post-dose.
Part 2 (MAD): ATH-399A 40 mg
n=6 Participants
Each participant received ATH-399A 40 mg once daily from Day 1 to Day 12. Participants underwent a supervised fast for at least 10 hours prior to dosing, followed by an additional 4 hours of fasting post-dose.
Part 2 (MAD): ATH-399A 40 mg, Older
n=6 Participants
Each participant aged \>55-80 years received ATH-399A 40 mg once daily from Day 1 to Day 12. Participants underwent a supervised fast for at least 10 hours prior to dosing, followed by an additional 4 hours of fasting post-dose.
Temperature Value
36.80 °C
Standard Deviation 0.160
36.73 °C
Standard Deviation 0.116
36.78 °C
Standard Deviation 0.210
36.73 °C
Standard Deviation 0.216
36.67 °C
Standard Deviation 0.121
36.72 °C
Standard Deviation 0.232
36.78 °C
Standard Deviation 0.147
36.70 °C
Standard Deviation 0.167
36.63 °C
Standard Deviation 0.103
36.93 °C
Standard Deviation 0.151
36.58 °C
Standard Deviation 0.117
36.63 °C
Standard Deviation 0.207

PRIMARY outcome

Timeframe: Day 1, 1 Hour Post-Dose

Respiratory rate value measured at Day 1, 1 Hour Post-Dose

Outcome measures

Outcome measures
Measure
Part 1b (Food Effect): ATH-399A 40 mg, Fed
n=12 Participants
ATH-399A 40 mg was administered following a high-fat, high-calorie meal.
Part 1b (Food Effect): ATH-399A 40 mg, Fasted
n=8 Participants
Participants were restricted from eating 10 hours prior to and 4 hours following ATH-399A 40 mg administration.
Part 1b (Food Effect): ATH-399A 40 mg, Fed
n=10 Participants
ATH-399A 40 mg was administered following a high-fat, high-calorie meal.
Part 1a (SAD): ATH-399A 80 mg
n=6 Participants
Each participant received a single oral dose of 80 mg of ATH-399A.
Part 1a (SAD): ATH-399A 10 mg
n=6 Participants
Each participant received a single oral dose of 10 mg of ATH-399A.
Part 1a (SAD): ATH-399A 20 mg
n=6 Participants
Each participant received a single oral dose of 20 mg of ATH-399A.
Part 1a (SAD): ATH-399A 40 mg
n=6 Participants
Each participant received a single oral dose of 40 mg of ATH-399A.
Part 2 (MAD): Placebo
n=6 Participants
Each participant received a single dose of matching placebo.
Part 1a (SAD): ATH-399A 5 mg
n=6 Participants
Each participant received a single oral dose of 5 mg of ATH-399A.
Part 2 (MAD): ATH-399A 20 mg
n=6 Participants
Each participant received ATH-399A 20 mg once daily from Day 1 to Day 12. Participants underwent a supervised fast for at least 10 hours prior to dosing, followed by an additional 4 hours of fasting post-dose.
Part 2 (MAD): ATH-399A 40 mg
n=6 Participants
Each participant received ATH-399A 40 mg once daily from Day 1 to Day 12. Participants underwent a supervised fast for at least 10 hours prior to dosing, followed by an additional 4 hours of fasting post-dose.
Part 2 (MAD): ATH-399A 40 mg, Older
n=6 Participants
Each participant aged \>55-80 years received ATH-399A 40 mg once daily from Day 1 to Day 12. Participants underwent a supervised fast for at least 10 hours prior to dosing, followed by an additional 4 hours of fasting post-dose.
Respiratory Rate Value
15.5 breaths/min
Standard Deviation 3.09
14.3 breaths/min
Standard Deviation 1.98
13.0 breaths/min
Standard Deviation 3.30
14.3 breaths/min
Standard Deviation 2.34
16.0 breaths/min
Standard Deviation 3.58
13.7 breaths/min
Standard Deviation 1.51
13.0 breaths/min
Standard Deviation 3.74
13.3 breaths/min
Standard Deviation 2.07
14.7 breaths/min
Standard Deviation 2.73
14.7 breaths/min
Standard Deviation 1.03
15.0 breaths/min
Standard Deviation 1.10
13.0 breaths/min
Standard Deviation 3.52

PRIMARY outcome

Timeframe: Part 1a, 1b, 2: Screening, D-1, D3 (Discharge or early termination), Follow-Up: Part 1a: Day 8, Part 1b: Day 16; and Part 2: Day 19

Participants with abnormal findings on physical and neurological examination (pooled data from the whole study)

Outcome measures

Outcome measures
Measure
Part 1b (Food Effect): ATH-399A 40 mg, Fed
n=12 Participants
ATH-399A 40 mg was administered following a high-fat, high-calorie meal.
Part 1b (Food Effect): ATH-399A 40 mg, Fasted
n=8 Participants
Participants were restricted from eating 10 hours prior to and 4 hours following ATH-399A 40 mg administration.
Part 1b (Food Effect): ATH-399A 40 mg, Fed
n=10 Participants
ATH-399A 40 mg was administered following a high-fat, high-calorie meal.
Part 1a (SAD): ATH-399A 80 mg
n=6 Participants
Each participant received a single oral dose of 80 mg of ATH-399A.
Part 1a (SAD): ATH-399A 10 mg
n=6 Participants
Each participant received a single oral dose of 10 mg of ATH-399A.
Part 1a (SAD): ATH-399A 20 mg
n=6 Participants
Each participant received a single oral dose of 20 mg of ATH-399A.
Part 1a (SAD): ATH-399A 40 mg
n=6 Participants
Each participant received a single oral dose of 40 mg of ATH-399A.
Part 2 (MAD): Placebo
n=6 Participants
Each participant received a single dose of matching placebo.
Part 1a (SAD): ATH-399A 5 mg
n=6 Participants
Each participant received a single oral dose of 5 mg of ATH-399A.
Part 2 (MAD): ATH-399A 20 mg
n=6 Participants
Each participant received ATH-399A 20 mg once daily from Day 1 to Day 12. Participants underwent a supervised fast for at least 10 hours prior to dosing, followed by an additional 4 hours of fasting post-dose.
Part 2 (MAD): ATH-399A 40 mg
n=6 Participants
Each participant received ATH-399A 40 mg once daily from Day 1 to Day 12. Participants underwent a supervised fast for at least 10 hours prior to dosing, followed by an additional 4 hours of fasting post-dose.
Part 2 (MAD): ATH-399A 40 mg, Older
n=6 Participants
Each participant aged \>55-80 years received ATH-399A 40 mg once daily from Day 1 to Day 12. Participants underwent a supervised fast for at least 10 hours prior to dosing, followed by an additional 4 hours of fasting post-dose.
Physical Examination and Neurological Examination Abnormalities Analysis
0 Participants
0 Participants
0 Participants
0 Participants
2 Participants
0 Participants
0 Participants
0 Participants
2 Participants
0 Participants
0 Participants
1 Participants

PRIMARY outcome

Timeframe: Part 1a, 1b: D1, D2, D3; Part 2: D1, D2, D12, D13 (Discharge or early termination)

Participants with abnormal findings on 12-lead telemetry (pooled data from the whole study)

Outcome measures

Outcome measures
Measure
Part 1b (Food Effect): ATH-399A 40 mg, Fed
n=12 Participants
ATH-399A 40 mg was administered following a high-fat, high-calorie meal.
Part 1b (Food Effect): ATH-399A 40 mg, Fasted
n=8 Participants
Participants were restricted from eating 10 hours prior to and 4 hours following ATH-399A 40 mg administration.
Part 1b (Food Effect): ATH-399A 40 mg, Fed
n=10 Participants
ATH-399A 40 mg was administered following a high-fat, high-calorie meal.
Part 1a (SAD): ATH-399A 80 mg
n=6 Participants
Each participant received a single oral dose of 80 mg of ATH-399A.
Part 1a (SAD): ATH-399A 10 mg
n=6 Participants
Each participant received a single oral dose of 10 mg of ATH-399A.
Part 1a (SAD): ATH-399A 20 mg
n=6 Participants
Each participant received a single oral dose of 20 mg of ATH-399A.
Part 1a (SAD): ATH-399A 40 mg
n=6 Participants
Each participant received a single oral dose of 40 mg of ATH-399A.
Part 2 (MAD): Placebo
n=6 Participants
Each participant received a single dose of matching placebo.
Part 1a (SAD): ATH-399A 5 mg
n=6 Participants
Each participant received a single oral dose of 5 mg of ATH-399A.
Part 2 (MAD): ATH-399A 20 mg
n=6 Participants
Each participant received ATH-399A 20 mg once daily from Day 1 to Day 12. Participants underwent a supervised fast for at least 10 hours prior to dosing, followed by an additional 4 hours of fasting post-dose.
Part 2 (MAD): ATH-399A 40 mg
n=6 Participants
Each participant received ATH-399A 40 mg once daily from Day 1 to Day 12. Participants underwent a supervised fast for at least 10 hours prior to dosing, followed by an additional 4 hours of fasting post-dose.
Part 2 (MAD): ATH-399A 40 mg, Older
n=6 Participants
Each participant aged \>55-80 years received ATH-399A 40 mg once daily from Day 1 to Day 12. Participants underwent a supervised fast for at least 10 hours prior to dosing, followed by an additional 4 hours of fasting post-dose.
12-Lead Telemetry Abnormalities Analysis
5 Participants
2 Participants
2 Participants
2 Participants
1 Participants
1 Participants
1 Participants
1 Participants
2 Participants
3 Participants
1 Participants
4 Participants

PRIMARY outcome

Timeframe: Day 1

Laboratory parameter: Creatinine level on Day 1

Outcome measures

Outcome measures
Measure
Part 1b (Food Effect): ATH-399A 40 mg, Fed
n=12 Participants
ATH-399A 40 mg was administered following a high-fat, high-calorie meal.
Part 1b (Food Effect): ATH-399A 40 mg, Fasted
n=8 Participants
Participants were restricted from eating 10 hours prior to and 4 hours following ATH-399A 40 mg administration.
Part 1b (Food Effect): ATH-399A 40 mg, Fed
n=10 Participants
ATH-399A 40 mg was administered following a high-fat, high-calorie meal.
Part 1a (SAD): ATH-399A 80 mg
n=6 Participants
Each participant received a single oral dose of 80 mg of ATH-399A.
Part 1a (SAD): ATH-399A 10 mg
n=6 Participants
Each participant received a single oral dose of 10 mg of ATH-399A.
Part 1a (SAD): ATH-399A 20 mg
n=6 Participants
Each participant received a single oral dose of 20 mg of ATH-399A.
Part 1a (SAD): ATH-399A 40 mg
n=6 Participants
Each participant received a single oral dose of 40 mg of ATH-399A.
Part 2 (MAD): Placebo
n=6 Participants
Each participant received a single dose of matching placebo.
Part 1a (SAD): ATH-399A 5 mg
n=6 Participants
Each participant received a single oral dose of 5 mg of ATH-399A.
Part 2 (MAD): ATH-399A 20 mg
n=6 Participants
Each participant received ATH-399A 20 mg once daily from Day 1 to Day 12. Participants underwent a supervised fast for at least 10 hours prior to dosing, followed by an additional 4 hours of fasting post-dose.
Part 2 (MAD): ATH-399A 40 mg
n=6 Participants
Each participant received ATH-399A 40 mg once daily from Day 1 to Day 12. Participants underwent a supervised fast for at least 10 hours prior to dosing, followed by an additional 4 hours of fasting post-dose.
Part 2 (MAD): ATH-399A 40 mg, Older
n=6 Participants
Each participant aged \>55-80 years received ATH-399A 40 mg once daily from Day 1 to Day 12. Participants underwent a supervised fast for at least 10 hours prior to dosing, followed by an additional 4 hours of fasting post-dose.
Laboratory Parameter: Creatinine Value
76.5 μmol/L
Standard Deviation 15.26
76.4 μmol/L
Standard Deviation 16.37
76.6 μmol/L
Standard Deviation 10.86
70.2 μmol/L
Standard Deviation 9.06
78.5 μmol/L
Standard Deviation 19.95
64.8 μmol/L
Standard Deviation 13.27
88.3 μmol/L
Standard Deviation 8.02
87.3 μmol/L
Standard Deviation 14.96
79.2 μmol/L
Standard Deviation 16.87
87.5 μmol/L
Standard Deviation 14.46
111.2 μmol/L
Standard Deviation 15.43
84.0 μmol/L
Standard Deviation 11.24

PRIMARY outcome

Timeframe: Day 1

Laboratory parameter: Glucose level measured on Day 1

Outcome measures

Outcome measures
Measure
Part 1b (Food Effect): ATH-399A 40 mg, Fed
n=12 Participants
ATH-399A 40 mg was administered following a high-fat, high-calorie meal.
Part 1b (Food Effect): ATH-399A 40 mg, Fasted
n=8 Participants
Participants were restricted from eating 10 hours prior to and 4 hours following ATH-399A 40 mg administration.
Part 1b (Food Effect): ATH-399A 40 mg, Fed
n=10 Participants
ATH-399A 40 mg was administered following a high-fat, high-calorie meal.
Part 1a (SAD): ATH-399A 80 mg
n=6 Participants
Each participant received a single oral dose of 80 mg of ATH-399A.
Part 1a (SAD): ATH-399A 10 mg
n=6 Participants
Each participant received a single oral dose of 10 mg of ATH-399A.
Part 1a (SAD): ATH-399A 20 mg
n=6 Participants
Each participant received a single oral dose of 20 mg of ATH-399A.
Part 1a (SAD): ATH-399A 40 mg
n=6 Participants
Each participant received a single oral dose of 40 mg of ATH-399A.
Part 2 (MAD): Placebo
n=6 Participants
Each participant received a single dose of matching placebo.
Part 1a (SAD): ATH-399A 5 mg
n=6 Participants
Each participant received a single oral dose of 5 mg of ATH-399A.
Part 2 (MAD): ATH-399A 20 mg
n=6 Participants
Each participant received ATH-399A 20 mg once daily from Day 1 to Day 12. Participants underwent a supervised fast for at least 10 hours prior to dosing, followed by an additional 4 hours of fasting post-dose.
Part 2 (MAD): ATH-399A 40 mg
n=6 Participants
Each participant received ATH-399A 40 mg once daily from Day 1 to Day 12. Participants underwent a supervised fast for at least 10 hours prior to dosing, followed by an additional 4 hours of fasting post-dose.
Part 2 (MAD): ATH-399A 40 mg, Older
n=6 Participants
Each participant aged \>55-80 years received ATH-399A 40 mg once daily from Day 1 to Day 12. Participants underwent a supervised fast for at least 10 hours prior to dosing, followed by an additional 4 hours of fasting post-dose.
Laboratory Parameter: Glucose
4.95 mmol/L
Standard Deviation 0.894
4.84 mmol/L
Standard Deviation 0.907
4.04 mmol/L
Standard Deviation 0.782
4.23 mmol/L
Standard Deviation 0.779
4.07 mmol/L
Standard Deviation 0.585
4.16 mmol/L
Standard Deviation 0.657
4.62 mmol/L
Standard Deviation 0.983
4.58 mmol/L
Standard Deviation 0.313
4.35 mmol/L
Standard Deviation 0.797
4.43 mmol/L
Standard Deviation 0.441
4.43 mmol/L
Standard Deviation 0.568
3.85 mmol/L
Standard Deviation 0.356

SECONDARY outcome

Timeframe: Part 1: Day 1 Pre-dose (within 2 hours of dosing) and at 0.25, 0.5, 1, 1.5, 2, 3, 4, 6, 8, 12, 16, 24, 36, 48, 72, 96 hours. Part 2: Day 12 Pre-dose (within 2 hours of dosing) and at 0.25, 0.5, 1, 1.5, 2, 3, 4, 6, 8, 12, 16, 24, 36, 48, 72, 96 hours.

Plasma Pharmacokinetic (PK) parameter: Area Under the Concentration-Time Curve from Time Zero Until the Last Observed Concentration (AUC0-t) for Part 1a, Part 1b and Part 2. AUC0-t was calculated based on several PK blood sampling at times provided in the Outcome Measure Time Frame.

Outcome measures

Outcome measures
Measure
Part 1b (Food Effect): ATH-399A 40 mg, Fed
n=8 Participants
ATH-399A 40 mg was administered following a high-fat, high-calorie meal.
Part 1b (Food Effect): ATH-399A 40 mg, Fasted
n=6 Participants
Participants were restricted from eating 10 hours prior to and 4 hours following ATH-399A 40 mg administration.
Part 1b (Food Effect): ATH-399A 40 mg, Fed
n=12 Participants
ATH-399A 40 mg was administered following a high-fat, high-calorie meal.
Part 1a (SAD): ATH-399A 80 mg
n=6 Participants
Each participant received a single oral dose of 80 mg of ATH-399A.
Part 1a (SAD): ATH-399A 10 mg
n=6 Participants
Each participant received a single oral dose of 10 mg of ATH-399A.
Part 1a (SAD): ATH-399A 20 mg
n=6 Participants
Each participant received a single oral dose of 20 mg of ATH-399A.
Part 1a (SAD): ATH-399A 40 mg
n=6 Participants
Each participant received a single oral dose of 40 mg of ATH-399A.
Part 2 (MAD): Placebo
Each participant received a single dose of matching placebo.
Part 1a (SAD): ATH-399A 5 mg
n=6 Participants
Each participant received a single oral dose of 5 mg of ATH-399A.
Part 2 (MAD): ATH-399A 20 mg
n=6 Participants
Each participant received ATH-399A 20 mg once daily from Day 1 to Day 12. Participants underwent a supervised fast for at least 10 hours prior to dosing, followed by an additional 4 hours of fasting post-dose.
Part 2 (MAD): ATH-399A 40 mg
n=6 Participants
Each participant received ATH-399A 40 mg once daily from Day 1 to Day 12. Participants underwent a supervised fast for at least 10 hours prior to dosing, followed by an additional 4 hours of fasting post-dose.
Part 2 (MAD): ATH-399A 40 mg, Older
Each participant aged \>55-80 years received ATH-399A 40 mg once daily from Day 1 to Day 12. Participants underwent a supervised fast for at least 10 hours prior to dosing, followed by an additional 4 hours of fasting post-dose.
AUC0-t
569.69 h*ng/mL
Standard Deviation 189.58
450.52 h*ng/mL
Standard Deviation 124.54
651.13 h*ng/mL
Standard Deviation 179.31
1093.98 h*ng/mL
Standard Deviation 274.05
53.71 h*ng/mL
Standard Deviation 30.15
168.62 h*ng/mL
Standard Deviation 73.85
481.81 h*ng/mL
Standard Deviation 171.08
34.19 h*ng/mL
Standard Deviation 8.34
1337.49 h*ng/mL
Standard Deviation 577.26
1601.07 h*ng/mL
Standard Deviation 476.59

SECONDARY outcome

Timeframe: Part 1: Day 1 Pre-dose (within 2 hours of dosing) and at 0.25, 0.5, 1, 1.5, 2, 3, 4, 6, 8, 12, 16, 24, 36, 48, 72, 96 hours. Part 2: Day 12 Pre-dose (within 2 hours of dosing) and at 0.25, 0.5, 1, 1.5, 2, 3, 4, 6, 8, 12, 16, 24, 36, 48, 72, 96 hours.

PK parameter: Area Under The Concentration-Time Curve From Time Zero To Infinity (Extrapolated) (AUC0-inf) for Part 1a, Part 1b and Part 2. AUC0-inf was calculated based on several PK blood sampling at times provided in the Outcome Measure Time Frame.

Outcome measures

Outcome measures
Measure
Part 1b (Food Effect): ATH-399A 40 mg, Fed
n=8 Participants
ATH-399A 40 mg was administered following a high-fat, high-calorie meal.
Part 1b (Food Effect): ATH-399A 40 mg, Fasted
n=6 Participants
Participants were restricted from eating 10 hours prior to and 4 hours following ATH-399A 40 mg administration.
Part 1b (Food Effect): ATH-399A 40 mg, Fed
n=12 Participants
ATH-399A 40 mg was administered following a high-fat, high-calorie meal.
Part 1a (SAD): ATH-399A 80 mg
n=6 Participants
Each participant received a single oral dose of 80 mg of ATH-399A.
Part 1a (SAD): ATH-399A 10 mg
n=6 Participants
Each participant received a single oral dose of 10 mg of ATH-399A.
Part 1a (SAD): ATH-399A 20 mg
n=6 Participants
Each participant received a single oral dose of 20 mg of ATH-399A.
Part 1a (SAD): ATH-399A 40 mg
n=6 Participants
Each participant received a single oral dose of 40 mg of ATH-399A.
Part 2 (MAD): Placebo
Each participant received a single dose of matching placebo.
Part 1a (SAD): ATH-399A 5 mg
n=6 Participants
Each participant received a single oral dose of 5 mg of ATH-399A.
Part 2 (MAD): ATH-399A 20 mg
n=5 Participants
Each participant received ATH-399A 20 mg once daily from Day 1 to Day 12. Participants underwent a supervised fast for at least 10 hours prior to dosing, followed by an additional 4 hours of fasting post-dose.
Part 2 (MAD): ATH-399A 40 mg
n=4 Participants
Each participant received ATH-399A 40 mg once daily from Day 1 to Day 12. Participants underwent a supervised fast for at least 10 hours prior to dosing, followed by an additional 4 hours of fasting post-dose.
Part 2 (MAD): ATH-399A 40 mg, Older
Each participant aged \>55-80 years received ATH-399A 40 mg once daily from Day 1 to Day 12. Participants underwent a supervised fast for at least 10 hours prior to dosing, followed by an additional 4 hours of fasting post-dose.
AUC0-inf
625.05 h*ng/mL
Standard Deviation 209.54
485.14 h*ng/mL
Standard Deviation 134.00
720.93 h*ng/mL
Standard Deviation 211.31
1200.69 h*ng/mL
Standard Deviation 320.04
86.22 h*ng/mL
Standard Deviation 32.59
212.02 h*ng/mL
Standard Deviation 95.27
522.19 h*ng/mL
Standard Deviation 172.75
45.92 h*ng/mL
Standard Deviation 9.28
1454.58 h*ng/mL
Standard Deviation 629.97
1782.88 h*ng/mL
Standard Deviation 504.10

SECONDARY outcome

Timeframe: Part 1: Day 1 Pre-dose (within 2 hours of dosing) and at 0.25, 0.5, 1, 1.5, 2, 3, 4, 6, 8, 12, 16, 24, 36, 48, 72, 96 hours. Part 2: Day 1 Pre-dose (within 2 hours of dosing) and at 0.25, 0.5, 1, 1.5, 2, 3, 4, 6, 8, 12, 16, 24, 36, 48, 72, 96 hours.

PK parameter: Maximal Observed Concentration (Cmax) for Part 1a, Part 1b and Part 2. Cmax was calculated based on several PK blood sampling at times provided in the Outcome Measure Time Frame.

Outcome measures

Outcome measures
Measure
Part 1b (Food Effect): ATH-399A 40 mg, Fed
n=8 Participants
ATH-399A 40 mg was administered following a high-fat, high-calorie meal.
Part 1b (Food Effect): ATH-399A 40 mg, Fasted
n=6 Participants
Participants were restricted from eating 10 hours prior to and 4 hours following ATH-399A 40 mg administration.
Part 1b (Food Effect): ATH-399A 40 mg, Fed
n=12 Participants
ATH-399A 40 mg was administered following a high-fat, high-calorie meal.
Part 1a (SAD): ATH-399A 80 mg
n=6 Participants
Each participant received a single oral dose of 80 mg of ATH-399A.
Part 1a (SAD): ATH-399A 10 mg
n=6 Participants
Each participant received a single oral dose of 10 mg of ATH-399A.
Part 1a (SAD): ATH-399A 20 mg
n=6 Participants
Each participant received a single oral dose of 20 mg of ATH-399A.
Part 1a (SAD): ATH-399A 40 mg
n=6 Participants
Each participant received a single oral dose of 40 mg of ATH-399A.
Part 2 (MAD): Placebo
Each participant received a single dose of matching placebo.
Part 1a (SAD): ATH-399A 5 mg
n=6 Participants
Each participant received a single oral dose of 5 mg of ATH-399A.
Part 2 (MAD): ATH-399A 20 mg
n=6 Participants
Each participant received ATH-399A 20 mg once daily from Day 1 to Day 12. Participants underwent a supervised fast for at least 10 hours prior to dosing, followed by an additional 4 hours of fasting post-dose.
Part 2 (MAD): ATH-399A 40 mg
n=6 Participants
Each participant received ATH-399A 40 mg once daily from Day 1 to Day 12. Participants underwent a supervised fast for at least 10 hours prior to dosing, followed by an additional 4 hours of fasting post-dose.
Part 2 (MAD): ATH-399A 40 mg, Older
Each participant aged \>55-80 years received ATH-399A 40 mg once daily from Day 1 to Day 12. Participants underwent a supervised fast for at least 10 hours prior to dosing, followed by an additional 4 hours of fasting post-dose.
Cmax
22.49 ng/mL
Standard Deviation 11.58
5.32 ng/mL
Standard Deviation 2.46
22.50 ng/mL
Standard Deviation 7.90
45.40 ng/mL
Standard Deviation 14.51
1.93 ng/mL
Standard Deviation 1.03
9.11 ng/mL
Standard Deviation 5.28
20.57 ng/mL
Standard Deviation 11.95
1.53 ng/mL
Standard Deviation 0.55
14.21 ng/mL
Standard Deviation 10.64
13.78 ng/mL
Standard Deviation 10.23

SECONDARY outcome

Timeframe: Part 1: Day 1 Pre-dose (within 2 hours of dosing) and at 0.25, 0.5, 1, 1.5, 2, 3, 4, 6, 8, 12, 16, 24, 36, 48, 72, 96 hours. Part 2: Day 1 Pre-dose (within 2 hours of dosing) and at 0.25, 0.5, 1, 1.5, 2, 3, 4, 6, 8, 12, 16, 24, 36, 48, 72, 96 hours.

PK parameter: Time When The Maximal Concentration Is Observed (Tmax) for Part 1a, Part 1b and Part 2. Tmax was calculated based on several PK blood sampling at times provided in the Outcome Measure Time Frame.

Outcome measures

Outcome measures
Measure
Part 1b (Food Effect): ATH-399A 40 mg, Fed
n=8 Participants
ATH-399A 40 mg was administered following a high-fat, high-calorie meal.
Part 1b (Food Effect): ATH-399A 40 mg, Fasted
n=6 Participants
Participants were restricted from eating 10 hours prior to and 4 hours following ATH-399A 40 mg administration.
Part 1b (Food Effect): ATH-399A 40 mg, Fed
n=12 Participants
ATH-399A 40 mg was administered following a high-fat, high-calorie meal.
Part 1a (SAD): ATH-399A 80 mg
n=6 Participants
Each participant received a single oral dose of 80 mg of ATH-399A.
Part 1a (SAD): ATH-399A 10 mg
n=6 Participants
Each participant received a single oral dose of 10 mg of ATH-399A.
Part 1a (SAD): ATH-399A 20 mg
n=6 Participants
Each participant received a single oral dose of 20 mg of ATH-399A.
Part 1a (SAD): ATH-399A 40 mg
n=6 Participants
Each participant received a single oral dose of 40 mg of ATH-399A.
Part 2 (MAD): Placebo
Each participant received a single dose of matching placebo.
Part 1a (SAD): ATH-399A 5 mg
n=6 Participants
Each participant received a single oral dose of 5 mg of ATH-399A.
Part 2 (MAD): ATH-399A 20 mg
n=6 Participants
Each participant received ATH-399A 20 mg once daily from Day 1 to Day 12. Participants underwent a supervised fast for at least 10 hours prior to dosing, followed by an additional 4 hours of fasting post-dose.
Part 2 (MAD): ATH-399A 40 mg
n=6 Participants
Each participant received ATH-399A 40 mg once daily from Day 1 to Day 12. Participants underwent a supervised fast for at least 10 hours prior to dosing, followed by an additional 4 hours of fasting post-dose.
Part 2 (MAD): ATH-399A 40 mg, Older
Each participant aged \>55-80 years received ATH-399A 40 mg once daily from Day 1 to Day 12. Participants underwent a supervised fast for at least 10 hours prior to dosing, followed by an additional 4 hours of fasting post-dose.
Tmax
4 hours
Interval 2.0 to 12.0
5.009 hours
Interval 2.0 to 12.0
6.009 hours
Interval 4.0 to 16.0
7 hours
Interval 3.0 to 8.0
8.009 hours
Interval 6.0 to 12.0
4.500 hours
Interval 2.0 to 8.0
4.059 hours
Interval 3.0 to 8.017
7 hours
Interval 2.0 to 12.0
7 hours
Interval 4.0 to 8.017
8.017 hours
Interval 2.0 to 23.517

SECONDARY outcome

Timeframe: Part 1: Day 1 Pre-dose (within 2 hours of dosing) and at 0.25, 0.5, 1, 1.5, 2, 3, 4, 6, 8, 12, 16, 24, 36, 48, 72, 96 hours. Part 2: Day 12 Pre-dose (within 2 hours of dosing) and at 0.25, 0.5, 1, 1.5, 2, 3, 4, 6, 8, 12, 16, 24, 36, 48, 72, 96 hours.

PK parameter: Individual Estimate Of The Terminal Elimination Rate Constant (λz) for Part 1a, Part 1b and Part 2. λz was calculated based on several PK blood sampling at times provided in the Outcome Measure Time Frame.

Outcome measures

Outcome measures
Measure
Part 1b (Food Effect): ATH-399A 40 mg, Fed
n=8 Participants
ATH-399A 40 mg was administered following a high-fat, high-calorie meal.
Part 1b (Food Effect): ATH-399A 40 mg, Fasted
n=6 Participants
Participants were restricted from eating 10 hours prior to and 4 hours following ATH-399A 40 mg administration.
Part 1b (Food Effect): ATH-399A 40 mg, Fed
n=12 Participants
ATH-399A 40 mg was administered following a high-fat, high-calorie meal.
Part 1a (SAD): ATH-399A 80 mg
n=6 Participants
Each participant received a single oral dose of 80 mg of ATH-399A.
Part 1a (SAD): ATH-399A 10 mg
n=5 Participants
Each participant received a single oral dose of 10 mg of ATH-399A.
Part 1a (SAD): ATH-399A 20 mg
n=6 Participants
Each participant received a single oral dose of 20 mg of ATH-399A.
Part 1a (SAD): ATH-399A 40 mg
n=6 Participants
Each participant received a single oral dose of 40 mg of ATH-399A.
Part 2 (MAD): Placebo
Each participant received a single dose of matching placebo.
Part 1a (SAD): ATH-399A 5 mg
n=6 Participants
Each participant received a single oral dose of 5 mg of ATH-399A.
Part 2 (MAD): ATH-399A 20 mg
n=5 Participants
Each participant received ATH-399A 20 mg once daily from Day 1 to Day 12. Participants underwent a supervised fast for at least 10 hours prior to dosing, followed by an additional 4 hours of fasting post-dose.
Part 2 (MAD): ATH-399A 40 mg
n=4 Participants
Each participant received ATH-399A 40 mg once daily from Day 1 to Day 12. Participants underwent a supervised fast for at least 10 hours prior to dosing, followed by an additional 4 hours of fasting post-dose.
Part 2 (MAD): ATH-399A 40 mg, Older
Each participant aged \>55-80 years received ATH-399A 40 mg once daily from Day 1 to Day 12. Participants underwent a supervised fast for at least 10 hours prior to dosing, followed by an additional 4 hours of fasting post-dose.
λz
0.0261 1/hr
Standard Deviation 0.0047
0.0286 1/hr
Standard Deviation 0.0041
0.0253 1/hr
Standard Deviation 0.0052
0.0250 1/hr
Standard Deviation 0.0041
0.0308 1/hr
Standard Deviation 0.0062
0.0363 1/hr
Standard Deviation 0.0069
0.0269 1/hr
Standard Deviation 0.0057
0.0304 1/hr
Standard Deviation 0.0081
0.0264 1/hr
Standard Deviation 0.0026
0.0235 1/hr
Standard Deviation 0.0028

SECONDARY outcome

Timeframe: Part 1: Day 1 Pre-dose (within 2 hours of dosing) and at 0.25, 0.5, 1, 1.5, 2, 3, 4, 6, 8, 12, 16, 24, 36, 48, 72, 96 hours. Part 2: Day 12 Pre-dose (within 2 hours of dosing) and at 0.25, 0.5, 1, 1.5, 2, 3, 4, 6, 8, 12, 16, 24, 36, 48, 72, 96 hours.

PK parameter: Terminal Elimination Half-Life (t½ el) for Part 1a, Part 1b and Part 2. T1/2 el was calculated based on several PK blood sampling at times provided in the Outcome Measure Time Frame.

Outcome measures

Outcome measures
Measure
Part 1b (Food Effect): ATH-399A 40 mg, Fed
n=8 Participants
ATH-399A 40 mg was administered following a high-fat, high-calorie meal.
Part 1b (Food Effect): ATH-399A 40 mg, Fasted
n=6 Participants
Participants were restricted from eating 10 hours prior to and 4 hours following ATH-399A 40 mg administration.
Part 1b (Food Effect): ATH-399A 40 mg, Fed
n=12 Participants
ATH-399A 40 mg was administered following a high-fat, high-calorie meal.
Part 1a (SAD): ATH-399A 80 mg
n=6 Participants
Each participant received a single oral dose of 80 mg of ATH-399A.
Part 1a (SAD): ATH-399A 10 mg
n=5 Participants
Each participant received a single oral dose of 10 mg of ATH-399A.
Part 1a (SAD): ATH-399A 20 mg
n=6 Participants
Each participant received a single oral dose of 20 mg of ATH-399A.
Part 1a (SAD): ATH-399A 40 mg
n=6 Participants
Each participant received a single oral dose of 40 mg of ATH-399A.
Part 2 (MAD): Placebo
Each participant received a single dose of matching placebo.
Part 1a (SAD): ATH-399A 5 mg
n=6 Participants
Each participant received a single oral dose of 5 mg of ATH-399A.
Part 2 (MAD): ATH-399A 20 mg
n=5 Participants
Each participant received ATH-399A 20 mg once daily from Day 1 to Day 12. Participants underwent a supervised fast for at least 10 hours prior to dosing, followed by an additional 4 hours of fasting post-dose.
Part 2 (MAD): ATH-399A 40 mg
n=4 Participants
Each participant received ATH-399A 40 mg once daily from Day 1 to Day 12. Participants underwent a supervised fast for at least 10 hours prior to dosing, followed by an additional 4 hours of fasting post-dose.
Part 2 (MAD): ATH-399A 40 mg, Older
Each participant aged \>55-80 years received ATH-399A 40 mg once daily from Day 1 to Day 12. Participants underwent a supervised fast for at least 10 hours prior to dosing, followed by an additional 4 hours of fasting post-dose.
t½ el
27.32 hours
Standard Deviation 4.82
24.63 hours
Standard Deviation 3.28
28.48 hours
Standard Deviation 5.62
28.31 hours
Standard Deviation 4.65
23.32 hours
Standard Deviation 4.96
19.71 hours
Standard Deviation 4.01
26.77 hours
Standard Deviation 5.59
23.86 hours
Standard Deviation 4.80
26.44 hours
Standard Deviation 2.59
29.85 hours
Standard Deviation 3.44

SECONDARY outcome

Timeframe: Part 2 only: Day 12 Pre-dose (within 2 hours of dosing) and at 0.25, 0.5, 1, 1.5, 2, 3, 4, 6, 8, 12, 16, 24, 36, 48, 72, and 96 hours.

Population: Cmax ss has been analyzed only in patients included in Part 2

PK parameter: Maximal Observed Concentration at steady state (Cmax, ss) for Part 2. Cmax,ss was calculated based on several PK blood sampling at times provided in the Outcome Measure Time Frame.

Outcome measures

Outcome measures
Measure
Part 1b (Food Effect): ATH-399A 40 mg, Fed
ATH-399A 40 mg was administered following a high-fat, high-calorie meal.
Part 1b (Food Effect): ATH-399A 40 mg, Fasted
Participants were restricted from eating 10 hours prior to and 4 hours following ATH-399A 40 mg administration.
Part 1b (Food Effect): ATH-399A 40 mg, Fed
ATH-399A 40 mg was administered following a high-fat, high-calorie meal.
Part 1a (SAD): ATH-399A 80 mg
Each participant received a single oral dose of 80 mg of ATH-399A.
Part 1a (SAD): ATH-399A 10 mg
n=5 Participants
Each participant received a single oral dose of 10 mg of ATH-399A.
Part 1a (SAD): ATH-399A 20 mg
n=4 Participants
Each participant received a single oral dose of 20 mg of ATH-399A.
Part 1a (SAD): ATH-399A 40 mg
Each participant received a single oral dose of 40 mg of ATH-399A.
Part 2 (MAD): Placebo
Each participant received a single dose of matching placebo.
Part 1a (SAD): ATH-399A 5 mg
n=6 Participants
Each participant received a single oral dose of 5 mg of ATH-399A.
Part 2 (MAD): ATH-399A 20 mg
Each participant received ATH-399A 20 mg once daily from Day 1 to Day 12. Participants underwent a supervised fast for at least 10 hours prior to dosing, followed by an additional 4 hours of fasting post-dose.
Part 2 (MAD): ATH-399A 40 mg
Each participant received ATH-399A 40 mg once daily from Day 1 to Day 12. Participants underwent a supervised fast for at least 10 hours prior to dosing, followed by an additional 4 hours of fasting post-dose.
Part 2 (MAD): ATH-399A 40 mg, Older
Each participant aged \>55-80 years received ATH-399A 40 mg once daily from Day 1 to Day 12. Participants underwent a supervised fast for at least 10 hours prior to dosing, followed by an additional 4 hours of fasting post-dose.
Cmax, ss
51.88 ng/mL
Standard Deviation 34.86
46.04 ng/mL
Standard Deviation 21.52
14.98 ng/mL
Standard Deviation 6.89

SECONDARY outcome

Timeframe: Part 2 only: Day 12 Pre-dose (within 2 hours of dosing) and at 0.25, 0.5, 1, 1.5, 2, 3, 4, 6, 8, 12, 16, 24, 36, 48, 72, and 96 hours

PK parameter: Minimal Observed Concentration at steady-state (Cmin ss) for Part 2. Cmin was calculated based on several PK blood sampling at times provided in the Outcome Measure Time Frame.

Outcome measures

Outcome measures
Measure
Part 1b (Food Effect): ATH-399A 40 mg, Fed
ATH-399A 40 mg was administered following a high-fat, high-calorie meal.
Part 1b (Food Effect): ATH-399A 40 mg, Fasted
Participants were restricted from eating 10 hours prior to and 4 hours following ATH-399A 40 mg administration.
Part 1b (Food Effect): ATH-399A 40 mg, Fed
ATH-399A 40 mg was administered following a high-fat, high-calorie meal.
Part 1a (SAD): ATH-399A 80 mg
Each participant received a single oral dose of 80 mg of ATH-399A.
Part 1a (SAD): ATH-399A 10 mg
n=5 Participants
Each participant received a single oral dose of 10 mg of ATH-399A.
Part 1a (SAD): ATH-399A 20 mg
n=4 Participants
Each participant received a single oral dose of 20 mg of ATH-399A.
Part 1a (SAD): ATH-399A 40 mg
Each participant received a single oral dose of 40 mg of ATH-399A.
Part 2 (MAD): Placebo
Each participant received a single dose of matching placebo.
Part 1a (SAD): ATH-399A 5 mg
n=6 Participants
Each participant received a single oral dose of 5 mg of ATH-399A.
Part 2 (MAD): ATH-399A 20 mg
Each participant received ATH-399A 20 mg once daily from Day 1 to Day 12. Participants underwent a supervised fast for at least 10 hours prior to dosing, followed by an additional 4 hours of fasting post-dose.
Part 2 (MAD): ATH-399A 40 mg
Each participant received ATH-399A 40 mg once daily from Day 1 to Day 12. Participants underwent a supervised fast for at least 10 hours prior to dosing, followed by an additional 4 hours of fasting post-dose.
Part 2 (MAD): ATH-399A 40 mg, Older
Each participant aged \>55-80 years received ATH-399A 40 mg once daily from Day 1 to Day 12. Participants underwent a supervised fast for at least 10 hours prior to dosing, followed by an additional 4 hours of fasting post-dose.
Cmin ss
17.91 ng/mL
Standard Deviation 6.87
20.39 ng/mL
Standard Deviation 6.89
6.25 ng/mL
Standard Deviation 2.16

SECONDARY outcome

Timeframe: Part 2 only: Day 12 Pre-dose (within 2 hours of dosing) and at 0.25, 0.5, 1, 1.5, 2, 3, 4, 6, 8, 12, 16, 24, 36, 48, 72, and 96 hours.

PK parameter: Average Plasma Concentration (Cavg) for Part 2. Cavg was calculated based on several PK blood sampling at times provided in the Outcome Measure Time Frame.

Outcome measures

Outcome measures
Measure
Part 1b (Food Effect): ATH-399A 40 mg, Fed
ATH-399A 40 mg was administered following a high-fat, high-calorie meal.
Part 1b (Food Effect): ATH-399A 40 mg, Fasted
Participants were restricted from eating 10 hours prior to and 4 hours following ATH-399A 40 mg administration.
Part 1b (Food Effect): ATH-399A 40 mg, Fed
ATH-399A 40 mg was administered following a high-fat, high-calorie meal.
Part 1a (SAD): ATH-399A 80 mg
Each participant received a single oral dose of 80 mg of ATH-399A.
Part 1a (SAD): ATH-399A 10 mg
n=5 Participants
Each participant received a single oral dose of 10 mg of ATH-399A.
Part 1a (SAD): ATH-399A 20 mg
n=4 Participants
Each participant received a single oral dose of 20 mg of ATH-399A.
Part 1a (SAD): ATH-399A 40 mg
Each participant received a single oral dose of 40 mg of ATH-399A.
Part 2 (MAD): Placebo
Each participant received a single dose of matching placebo.
Part 1a (SAD): ATH-399A 5 mg
n=6 Participants
Each participant received a single oral dose of 5 mg of ATH-399A.
Part 2 (MAD): ATH-399A 20 mg
Each participant received ATH-399A 20 mg once daily from Day 1 to Day 12. Participants underwent a supervised fast for at least 10 hours prior to dosing, followed by an additional 4 hours of fasting post-dose.
Part 2 (MAD): ATH-399A 40 mg
Each participant received ATH-399A 40 mg once daily from Day 1 to Day 12. Participants underwent a supervised fast for at least 10 hours prior to dosing, followed by an additional 4 hours of fasting post-dose.
Part 2 (MAD): ATH-399A 40 mg, Older
Each participant aged \>55-80 years received ATH-399A 40 mg once daily from Day 1 to Day 12. Participants underwent a supervised fast for at least 10 hours prior to dosing, followed by an additional 4 hours of fasting post-dose.
Cavg
30.21 ng/mL
Standard Deviation 14.42
32.28 ng/mL
Standard Deviation 12.42
10.47 ng/mL
Standard Deviation 3.41

SECONDARY outcome

Timeframe: Part 2 only: Day 12 Pre-dose (within 2 hours of dosing) and at 0.25, 0.5, 1, 1.5, 2, 3, 4, 6, 8, 12, 16, 24, 36, 48, 72, and 96 hours.

PK parameter: Time When The Maximal Concentration Is Observed at Steady State (Tmax, ss) for Part 2. Tmax, ss was calculated based on several PK blood sampling at times provided in the Outcome Measure Time Frame.

Outcome measures

Outcome measures
Measure
Part 1b (Food Effect): ATH-399A 40 mg, Fed
ATH-399A 40 mg was administered following a high-fat, high-calorie meal.
Part 1b (Food Effect): ATH-399A 40 mg, Fasted
Participants were restricted from eating 10 hours prior to and 4 hours following ATH-399A 40 mg administration.
Part 1b (Food Effect): ATH-399A 40 mg, Fed
ATH-399A 40 mg was administered following a high-fat, high-calorie meal.
Part 1a (SAD): ATH-399A 80 mg
Each participant received a single oral dose of 80 mg of ATH-399A.
Part 1a (SAD): ATH-399A 10 mg
n=5 Participants
Each participant received a single oral dose of 10 mg of ATH-399A.
Part 1a (SAD): ATH-399A 20 mg
n=4 Participants
Each participant received a single oral dose of 20 mg of ATH-399A.
Part 1a (SAD): ATH-399A 40 mg
Each participant received a single oral dose of 40 mg of ATH-399A.
Part 2 (MAD): Placebo
Each participant received a single dose of matching placebo.
Part 1a (SAD): ATH-399A 5 mg
n=6 Participants
Each participant received a single oral dose of 5 mg of ATH-399A.
Part 2 (MAD): ATH-399A 20 mg
Each participant received ATH-399A 20 mg once daily from Day 1 to Day 12. Participants underwent a supervised fast for at least 10 hours prior to dosing, followed by an additional 4 hours of fasting post-dose.
Part 2 (MAD): ATH-399A 40 mg
Each participant received ATH-399A 40 mg once daily from Day 1 to Day 12. Participants underwent a supervised fast for at least 10 hours prior to dosing, followed by an additional 4 hours of fasting post-dose.
Part 2 (MAD): ATH-399A 40 mg, Older
Each participant aged \>55-80 years received ATH-399A 40 mg once daily from Day 1 to Day 12. Participants underwent a supervised fast for at least 10 hours prior to dosing, followed by an additional 4 hours of fasting post-dose.
Tmax, ss
4 hours
Interval 3.0 to 12.0
5.5 hours
Interval 1.0 to 24.0
5 hours
Interval 4.0 to 8.0

SECONDARY outcome

Timeframe: Part 2 only: Day 12 Pre-dose (within 2 hours of dosing) and at 0.25, 0.5, 1, 1.5, 2, 3, 4, 6, 8, 12, 16, 24, 36, 48, 72, and 96 hours.

PK parameter: Area Under The Concentration-Time Curve For One Dosing Interval (Τ) (AUC0-τ) \[i.e., AUC0-24 on Day 12 dose\] for Part 2 only. Value was calculated based on several PK blood sampling at times provided in the Outcome Measure Time Frame.

Outcome measures

Outcome measures
Measure
Part 1b (Food Effect): ATH-399A 40 mg, Fed
ATH-399A 40 mg was administered following a high-fat, high-calorie meal.
Part 1b (Food Effect): ATH-399A 40 mg, Fasted
Participants were restricted from eating 10 hours prior to and 4 hours following ATH-399A 40 mg administration.
Part 1b (Food Effect): ATH-399A 40 mg, Fed
ATH-399A 40 mg was administered following a high-fat, high-calorie meal.
Part 1a (SAD): ATH-399A 80 mg
Each participant received a single oral dose of 80 mg of ATH-399A.
Part 1a (SAD): ATH-399A 10 mg
n=5 Participants
Each participant received a single oral dose of 10 mg of ATH-399A.
Part 1a (SAD): ATH-399A 20 mg
n=4 Participants
Each participant received a single oral dose of 20 mg of ATH-399A.
Part 1a (SAD): ATH-399A 40 mg
Each participant received a single oral dose of 40 mg of ATH-399A.
Part 2 (MAD): Placebo
Each participant received a single dose of matching placebo.
Part 1a (SAD): ATH-399A 5 mg
n=6 Participants
Each participant received a single oral dose of 5 mg of ATH-399A.
Part 2 (MAD): ATH-399A 20 mg
Each participant received ATH-399A 20 mg once daily from Day 1 to Day 12. Participants underwent a supervised fast for at least 10 hours prior to dosing, followed by an additional 4 hours of fasting post-dose.
Part 2 (MAD): ATH-399A 40 mg
Each participant received ATH-399A 40 mg once daily from Day 1 to Day 12. Participants underwent a supervised fast for at least 10 hours prior to dosing, followed by an additional 4 hours of fasting post-dose.
Part 2 (MAD): ATH-399A 40 mg, Older
Each participant aged \>55-80 years received ATH-399A 40 mg once daily from Day 1 to Day 12. Participants underwent a supervised fast for at least 10 hours prior to dosing, followed by an additional 4 hours of fasting post-dose.
AUC0-τ (AUC0-24 at Day 12 Dose) for Part 2
725.06 h*ng/mL
Standard Deviation 345.98
774.81 h*ng/mL
Standard Deviation 298.05
251.24 h*ng/mL
Standard Deviation 81.96

SECONDARY outcome

Timeframe: Part 2 only: Day 1 Pre-dose (within 2 hours of dosing) and at 0.25, 0.5, 1, 1.5, 2, 3, 4, 6, 8, 12, 16, 24, 36, 48, 72, and 96 hours.

PK parameter: Area Under The Concentration-Time Curve AUC0-t (i.e., AUC0-24 on Day 1 dose only) for Part 2

Outcome measures

Outcome measures
Measure
Part 1b (Food Effect): ATH-399A 40 mg, Fed
ATH-399A 40 mg was administered following a high-fat, high-calorie meal.
Part 1b (Food Effect): ATH-399A 40 mg, Fasted
Participants were restricted from eating 10 hours prior to and 4 hours following ATH-399A 40 mg administration.
Part 1b (Food Effect): ATH-399A 40 mg, Fed
ATH-399A 40 mg was administered following a high-fat, high-calorie meal.
Part 1a (SAD): ATH-399A 80 mg
Each participant received a single oral dose of 80 mg of ATH-399A.
Part 1a (SAD): ATH-399A 10 mg
n=6 Participants
Each participant received a single oral dose of 10 mg of ATH-399A.
Part 1a (SAD): ATH-399A 20 mg
n=6 Participants
Each participant received a single oral dose of 20 mg of ATH-399A.
Part 1a (SAD): ATH-399A 40 mg
Each participant received a single oral dose of 40 mg of ATH-399A.
Part 2 (MAD): Placebo
Each participant received a single dose of matching placebo.
Part 1a (SAD): ATH-399A 5 mg
n=6 Participants
Each participant received a single oral dose of 5 mg of ATH-399A.
Part 2 (MAD): ATH-399A 20 mg
Each participant received ATH-399A 20 mg once daily from Day 1 to Day 12. Participants underwent a supervised fast for at least 10 hours prior to dosing, followed by an additional 4 hours of fasting post-dose.
Part 2 (MAD): ATH-399A 40 mg
Each participant received ATH-399A 40 mg once daily from Day 1 to Day 12. Participants underwent a supervised fast for at least 10 hours prior to dosing, followed by an additional 4 hours of fasting post-dose.
Part 2 (MAD): ATH-399A 40 mg, Older
Each participant aged \>55-80 years received ATH-399A 40 mg once daily from Day 1 to Day 12. Participants underwent a supervised fast for at least 10 hours prior to dosing, followed by an additional 4 hours of fasting post-dose.
AUC0-t on Day 1 Dose for Part 2
208.14 h*ng/mL
Standard Deviation 126.00
186.80 h*ng/mL
Standard Deviation 88.77
83.99 h*ng/mL
Standard Deviation 34.09

Adverse Events

Part 1a (SAD): ATH-399A 5 mg

Serious events: 0 serious events
Other events: 4 other events
Deaths: 0 deaths

Part 1a (SAD): ATH-399A 10 mg

Serious events: 0 serious events
Other events: 1 other events
Deaths: 0 deaths

Part 1a (SAD): ATH-399A 20 mg

Serious events: 0 serious events
Other events: 1 other events
Deaths: 0 deaths

Part 1a (SAD): ATH-399A 40 mg

Serious events: 0 serious events
Other events: 2 other events
Deaths: 0 deaths

Part 1a (SAD): ATH-399A 80 mg

Serious events: 0 serious events
Other events: 1 other events
Deaths: 0 deaths

Part 1a (SAD): Placebo

Serious events: 0 serious events
Other events: 2 other events
Deaths: 0 deaths

Part 1b (Food Effect): ATH-399A 40 mg, Fed

Serious events: 0 serious events
Other events: 3 other events
Deaths: 0 deaths

Part 1b (Food Effect): ATH-399A 40 mg, Fasted

Serious events: 0 serious events
Other events: 1 other events
Deaths: 0 deaths

Part 2 (MAD): ATH-399A 20 mg

Serious events: 0 serious events
Other events: 3 other events
Deaths: 0 deaths

Part 2 (MAD): ATH-399A 40 mg

Serious events: 0 serious events
Other events: 2 other events
Deaths: 0 deaths

Part 2 (MAD): ATH-399A 40 mg, Older

Serious events: 0 serious events
Other events: 3 other events
Deaths: 0 deaths

Part 2 (MAD): Placebo

Serious events: 0 serious events
Other events: 2 other events
Deaths: 0 deaths

Serious adverse events

Adverse event data not reported

Other adverse events

Other adverse events
Measure
Part 1a (SAD): ATH-399A 5 mg
n=6 participants at risk
Each participant received a single oral dose of 5 mg of ATH-399A.
Part 1a (SAD): ATH-399A 10 mg
n=6 participants at risk
Each participant received a single oral dose of 10 mg of ATH-399A.
Part 1a (SAD): ATH-399A 20 mg
n=6 participants at risk
Each participant received a single oral dose of 20 mg of ATH-399A.
Part 1a (SAD): ATH-399A 40 mg
n=6 participants at risk
Each participant received a single oral dose of 40 mg of ATH-399A.
Part 1a (SAD): ATH-399A 80 mg
n=6 participants at risk
Each participant received a single oral dose of 80 mg of ATH-399A.
Part 1a (SAD): Placebo
n=10 participants at risk
Each participant received a single dose of matching placebo.
Part 1b (Food Effect): ATH-399A 40 mg, Fed
n=12 participants at risk
ATH-399A 40 mg was administered following a high-fat, high-calorie meal.
Part 1b (Food Effect): ATH-399A 40 mg, Fasted
n=8 participants at risk
Participants were restricted from eating 10 hours prior to and 4 hours following ATH-399A 40 mg administration.
Part 2 (MAD): ATH-399A 20 mg
n=6 participants at risk
Each participant received ATH-399A 20 mg once daily from Day 1 to Day 12. Participants underwent a supervised fast for at least 10 hours prior to dosing, followed by an additional 4 hours of fasting post-dose.
Part 2 (MAD): ATH-399A 40 mg
n=6 participants at risk
Each participant received ATH-399A 40 mg once daily from Day 1 to Day 12. Participants underwent a supervised fast for at least 10 hours prior to dosing, followed by an additional 4 hours of fasting post-dose.
Part 2 (MAD): ATH-399A 40 mg, Older
n=6 participants at risk
Each participant aged \>55-80 years received ATH-399A 40 mg once daily from Day 1 to Day 12. Participants underwent a supervised fast for at least 10 hours prior to dosing, followed by an additional 4 hours of fasting post-dose.
Part 2 (MAD): Placebo
n=6 participants at risk
Each participant received a single dose of matching placebo.
Nervous system disorders
Presyncope, headache
0.00%
0/6 • Continuously during study period from baseline to follow-up visit: Part 1a: Day-1 to Day 8, Part 1b: Day-1 to Day 16; and Part 2: Day -1 to Day 19
An AE was defined as any untoward medical occurrence in a clinical study participant, temporally associated with the use of study drug, whether or not considered related to the study drug.
0.00%
0/6 • Continuously during study period from baseline to follow-up visit: Part 1a: Day-1 to Day 8, Part 1b: Day-1 to Day 16; and Part 2: Day -1 to Day 19
An AE was defined as any untoward medical occurrence in a clinical study participant, temporally associated with the use of study drug, whether or not considered related to the study drug.
0.00%
0/6 • Continuously during study period from baseline to follow-up visit: Part 1a: Day-1 to Day 8, Part 1b: Day-1 to Day 16; and Part 2: Day -1 to Day 19
An AE was defined as any untoward medical occurrence in a clinical study participant, temporally associated with the use of study drug, whether or not considered related to the study drug.
0.00%
0/6 • Continuously during study period from baseline to follow-up visit: Part 1a: Day-1 to Day 8, Part 1b: Day-1 to Day 16; and Part 2: Day -1 to Day 19
An AE was defined as any untoward medical occurrence in a clinical study participant, temporally associated with the use of study drug, whether or not considered related to the study drug.
0.00%
0/6 • Continuously during study period from baseline to follow-up visit: Part 1a: Day-1 to Day 8, Part 1b: Day-1 to Day 16; and Part 2: Day -1 to Day 19
An AE was defined as any untoward medical occurrence in a clinical study participant, temporally associated with the use of study drug, whether or not considered related to the study drug.
0.00%
0/10 • Continuously during study period from baseline to follow-up visit: Part 1a: Day-1 to Day 8, Part 1b: Day-1 to Day 16; and Part 2: Day -1 to Day 19
An AE was defined as any untoward medical occurrence in a clinical study participant, temporally associated with the use of study drug, whether or not considered related to the study drug.
8.3%
1/12 • Number of events 1 • Continuously during study period from baseline to follow-up visit: Part 1a: Day-1 to Day 8, Part 1b: Day-1 to Day 16; and Part 2: Day -1 to Day 19
An AE was defined as any untoward medical occurrence in a clinical study participant, temporally associated with the use of study drug, whether or not considered related to the study drug.
0.00%
0/8 • Continuously during study period from baseline to follow-up visit: Part 1a: Day-1 to Day 8, Part 1b: Day-1 to Day 16; and Part 2: Day -1 to Day 19
An AE was defined as any untoward medical occurrence in a clinical study participant, temporally associated with the use of study drug, whether or not considered related to the study drug.
0.00%
0/6 • Continuously during study period from baseline to follow-up visit: Part 1a: Day-1 to Day 8, Part 1b: Day-1 to Day 16; and Part 2: Day -1 to Day 19
An AE was defined as any untoward medical occurrence in a clinical study participant, temporally associated with the use of study drug, whether or not considered related to the study drug.
0.00%
0/6 • Continuously during study period from baseline to follow-up visit: Part 1a: Day-1 to Day 8, Part 1b: Day-1 to Day 16; and Part 2: Day -1 to Day 19
An AE was defined as any untoward medical occurrence in a clinical study participant, temporally associated with the use of study drug, whether or not considered related to the study drug.
16.7%
1/6 • Number of events 1 • Continuously during study period from baseline to follow-up visit: Part 1a: Day-1 to Day 8, Part 1b: Day-1 to Day 16; and Part 2: Day -1 to Day 19
An AE was defined as any untoward medical occurrence in a clinical study participant, temporally associated with the use of study drug, whether or not considered related to the study drug.
0.00%
0/6 • Continuously during study period from baseline to follow-up visit: Part 1a: Day-1 to Day 8, Part 1b: Day-1 to Day 16; and Part 2: Day -1 to Day 19
An AE was defined as any untoward medical occurrence in a clinical study participant, temporally associated with the use of study drug, whether or not considered related to the study drug.
Infections and infestations
COVID-19, conjunctivitis, asymptomatic bacteriuria, nasopharyngitis
16.7%
1/6 • Number of events 1 • Continuously during study period from baseline to follow-up visit: Part 1a: Day-1 to Day 8, Part 1b: Day-1 to Day 16; and Part 2: Day -1 to Day 19
An AE was defined as any untoward medical occurrence in a clinical study participant, temporally associated with the use of study drug, whether or not considered related to the study drug.
16.7%
1/6 • Number of events 1 • Continuously during study period from baseline to follow-up visit: Part 1a: Day-1 to Day 8, Part 1b: Day-1 to Day 16; and Part 2: Day -1 to Day 19
An AE was defined as any untoward medical occurrence in a clinical study participant, temporally associated with the use of study drug, whether or not considered related to the study drug.
16.7%
1/6 • Number of events 1 • Continuously during study period from baseline to follow-up visit: Part 1a: Day-1 to Day 8, Part 1b: Day-1 to Day 16; and Part 2: Day -1 to Day 19
An AE was defined as any untoward medical occurrence in a clinical study participant, temporally associated with the use of study drug, whether or not considered related to the study drug.
0.00%
0/6 • Continuously during study period from baseline to follow-up visit: Part 1a: Day-1 to Day 8, Part 1b: Day-1 to Day 16; and Part 2: Day -1 to Day 19
An AE was defined as any untoward medical occurrence in a clinical study participant, temporally associated with the use of study drug, whether or not considered related to the study drug.
0.00%
0/6 • Continuously during study period from baseline to follow-up visit: Part 1a: Day-1 to Day 8, Part 1b: Day-1 to Day 16; and Part 2: Day -1 to Day 19
An AE was defined as any untoward medical occurrence in a clinical study participant, temporally associated with the use of study drug, whether or not considered related to the study drug.
0.00%
0/10 • Continuously during study period from baseline to follow-up visit: Part 1a: Day-1 to Day 8, Part 1b: Day-1 to Day 16; and Part 2: Day -1 to Day 19
An AE was defined as any untoward medical occurrence in a clinical study participant, temporally associated with the use of study drug, whether or not considered related to the study drug.
0.00%
0/12 • Continuously during study period from baseline to follow-up visit: Part 1a: Day-1 to Day 8, Part 1b: Day-1 to Day 16; and Part 2: Day -1 to Day 19
An AE was defined as any untoward medical occurrence in a clinical study participant, temporally associated with the use of study drug, whether or not considered related to the study drug.
12.5%
1/8 • Number of events 1 • Continuously during study period from baseline to follow-up visit: Part 1a: Day-1 to Day 8, Part 1b: Day-1 to Day 16; and Part 2: Day -1 to Day 19
An AE was defined as any untoward medical occurrence in a clinical study participant, temporally associated with the use of study drug, whether or not considered related to the study drug.
0.00%
0/6 • Continuously during study period from baseline to follow-up visit: Part 1a: Day-1 to Day 8, Part 1b: Day-1 to Day 16; and Part 2: Day -1 to Day 19
An AE was defined as any untoward medical occurrence in a clinical study participant, temporally associated with the use of study drug, whether or not considered related to the study drug.
0.00%
0/6 • Continuously during study period from baseline to follow-up visit: Part 1a: Day-1 to Day 8, Part 1b: Day-1 to Day 16; and Part 2: Day -1 to Day 19
An AE was defined as any untoward medical occurrence in a clinical study participant, temporally associated with the use of study drug, whether or not considered related to the study drug.
16.7%
1/6 • Number of events 1 • Continuously during study period from baseline to follow-up visit: Part 1a: Day-1 to Day 8, Part 1b: Day-1 to Day 16; and Part 2: Day -1 to Day 19
An AE was defined as any untoward medical occurrence in a clinical study participant, temporally associated with the use of study drug, whether or not considered related to the study drug.
16.7%
1/6 • Number of events 1 • Continuously during study period from baseline to follow-up visit: Part 1a: Day-1 to Day 8, Part 1b: Day-1 to Day 16; and Part 2: Day -1 to Day 19
An AE was defined as any untoward medical occurrence in a clinical study participant, temporally associated with the use of study drug, whether or not considered related to the study drug.
Respiratory, thoracic and mediastinal disorders
Nasal congestion, nasal dryness, oropharyngeal pain, hiccups
16.7%
1/6 • Number of events 1 • Continuously during study period from baseline to follow-up visit: Part 1a: Day-1 to Day 8, Part 1b: Day-1 to Day 16; and Part 2: Day -1 to Day 19
An AE was defined as any untoward medical occurrence in a clinical study participant, temporally associated with the use of study drug, whether or not considered related to the study drug.
16.7%
1/6 • Number of events 1 • Continuously during study period from baseline to follow-up visit: Part 1a: Day-1 to Day 8, Part 1b: Day-1 to Day 16; and Part 2: Day -1 to Day 19
An AE was defined as any untoward medical occurrence in a clinical study participant, temporally associated with the use of study drug, whether or not considered related to the study drug.
0.00%
0/6 • Continuously during study period from baseline to follow-up visit: Part 1a: Day-1 to Day 8, Part 1b: Day-1 to Day 16; and Part 2: Day -1 to Day 19
An AE was defined as any untoward medical occurrence in a clinical study participant, temporally associated with the use of study drug, whether or not considered related to the study drug.
16.7%
1/6 • Number of events 1 • Continuously during study period from baseline to follow-up visit: Part 1a: Day-1 to Day 8, Part 1b: Day-1 to Day 16; and Part 2: Day -1 to Day 19
An AE was defined as any untoward medical occurrence in a clinical study participant, temporally associated with the use of study drug, whether or not considered related to the study drug.
0.00%
0/6 • Continuously during study period from baseline to follow-up visit: Part 1a: Day-1 to Day 8, Part 1b: Day-1 to Day 16; and Part 2: Day -1 to Day 19
An AE was defined as any untoward medical occurrence in a clinical study participant, temporally associated with the use of study drug, whether or not considered related to the study drug.
0.00%
0/10 • Continuously during study period from baseline to follow-up visit: Part 1a: Day-1 to Day 8, Part 1b: Day-1 to Day 16; and Part 2: Day -1 to Day 19
An AE was defined as any untoward medical occurrence in a clinical study participant, temporally associated with the use of study drug, whether or not considered related to the study drug.
0.00%
0/12 • Continuously during study period from baseline to follow-up visit: Part 1a: Day-1 to Day 8, Part 1b: Day-1 to Day 16; and Part 2: Day -1 to Day 19
An AE was defined as any untoward medical occurrence in a clinical study participant, temporally associated with the use of study drug, whether or not considered related to the study drug.
0.00%
0/8 • Continuously during study period from baseline to follow-up visit: Part 1a: Day-1 to Day 8, Part 1b: Day-1 to Day 16; and Part 2: Day -1 to Day 19
An AE was defined as any untoward medical occurrence in a clinical study participant, temporally associated with the use of study drug, whether or not considered related to the study drug.
16.7%
1/6 • Number of events 1 • Continuously during study period from baseline to follow-up visit: Part 1a: Day-1 to Day 8, Part 1b: Day-1 to Day 16; and Part 2: Day -1 to Day 19
An AE was defined as any untoward medical occurrence in a clinical study participant, temporally associated with the use of study drug, whether or not considered related to the study drug.
0.00%
0/6 • Continuously during study period from baseline to follow-up visit: Part 1a: Day-1 to Day 8, Part 1b: Day-1 to Day 16; and Part 2: Day -1 to Day 19
An AE was defined as any untoward medical occurrence in a clinical study participant, temporally associated with the use of study drug, whether or not considered related to the study drug.
0.00%
0/6 • Continuously during study period from baseline to follow-up visit: Part 1a: Day-1 to Day 8, Part 1b: Day-1 to Day 16; and Part 2: Day -1 to Day 19
An AE was defined as any untoward medical occurrence in a clinical study participant, temporally associated with the use of study drug, whether or not considered related to the study drug.
0.00%
0/6 • Continuously during study period from baseline to follow-up visit: Part 1a: Day-1 to Day 8, Part 1b: Day-1 to Day 16; and Part 2: Day -1 to Day 19
An AE was defined as any untoward medical occurrence in a clinical study participant, temporally associated with the use of study drug, whether or not considered related to the study drug.
Investigations
Blood pressure decreased, blood pressure increased, blood creatine phosphokinase increased, electroc
0.00%
0/6 • Continuously during study period from baseline to follow-up visit: Part 1a: Day-1 to Day 8, Part 1b: Day-1 to Day 16; and Part 2: Day -1 to Day 19
An AE was defined as any untoward medical occurrence in a clinical study participant, temporally associated with the use of study drug, whether or not considered related to the study drug.
0.00%
0/6 • Continuously during study period from baseline to follow-up visit: Part 1a: Day-1 to Day 8, Part 1b: Day-1 to Day 16; and Part 2: Day -1 to Day 19
An AE was defined as any untoward medical occurrence in a clinical study participant, temporally associated with the use of study drug, whether or not considered related to the study drug.
0.00%
0/6 • Continuously during study period from baseline to follow-up visit: Part 1a: Day-1 to Day 8, Part 1b: Day-1 to Day 16; and Part 2: Day -1 to Day 19
An AE was defined as any untoward medical occurrence in a clinical study participant, temporally associated with the use of study drug, whether or not considered related to the study drug.
16.7%
1/6 • Number of events 1 • Continuously during study period from baseline to follow-up visit: Part 1a: Day-1 to Day 8, Part 1b: Day-1 to Day 16; and Part 2: Day -1 to Day 19
An AE was defined as any untoward medical occurrence in a clinical study participant, temporally associated with the use of study drug, whether or not considered related to the study drug.
16.7%
1/6 • Number of events 1 • Continuously during study period from baseline to follow-up visit: Part 1a: Day-1 to Day 8, Part 1b: Day-1 to Day 16; and Part 2: Day -1 to Day 19
An AE was defined as any untoward medical occurrence in a clinical study participant, temporally associated with the use of study drug, whether or not considered related to the study drug.
20.0%
2/10 • Number of events 3 • Continuously during study period from baseline to follow-up visit: Part 1a: Day-1 to Day 8, Part 1b: Day-1 to Day 16; and Part 2: Day -1 to Day 19
An AE was defined as any untoward medical occurrence in a clinical study participant, temporally associated with the use of study drug, whether or not considered related to the study drug.
8.3%
1/12 • Number of events 1 • Continuously during study period from baseline to follow-up visit: Part 1a: Day-1 to Day 8, Part 1b: Day-1 to Day 16; and Part 2: Day -1 to Day 19
An AE was defined as any untoward medical occurrence in a clinical study participant, temporally associated with the use of study drug, whether or not considered related to the study drug.
0.00%
0/8 • Continuously during study period from baseline to follow-up visit: Part 1a: Day-1 to Day 8, Part 1b: Day-1 to Day 16; and Part 2: Day -1 to Day 19
An AE was defined as any untoward medical occurrence in a clinical study participant, temporally associated with the use of study drug, whether or not considered related to the study drug.
16.7%
1/6 • Number of events 1 • Continuously during study period from baseline to follow-up visit: Part 1a: Day-1 to Day 8, Part 1b: Day-1 to Day 16; and Part 2: Day -1 to Day 19
An AE was defined as any untoward medical occurrence in a clinical study participant, temporally associated with the use of study drug, whether or not considered related to the study drug.
16.7%
1/6 • Number of events 1 • Continuously during study period from baseline to follow-up visit: Part 1a: Day-1 to Day 8, Part 1b: Day-1 to Day 16; and Part 2: Day -1 to Day 19
An AE was defined as any untoward medical occurrence in a clinical study participant, temporally associated with the use of study drug, whether or not considered related to the study drug.
33.3%
2/6 • Number of events 2 • Continuously during study period from baseline to follow-up visit: Part 1a: Day-1 to Day 8, Part 1b: Day-1 to Day 16; and Part 2: Day -1 to Day 19
An AE was defined as any untoward medical occurrence in a clinical study participant, temporally associated with the use of study drug, whether or not considered related to the study drug.
0.00%
0/6 • Continuously during study period from baseline to follow-up visit: Part 1a: Day-1 to Day 8, Part 1b: Day-1 to Day 16; and Part 2: Day -1 to Day 19
An AE was defined as any untoward medical occurrence in a clinical study participant, temporally associated with the use of study drug, whether or not considered related to the study drug.
Cardiac disorders
Accelerated idioventricular rhythm, ventricular tachycardia
0.00%
0/6 • Continuously during study period from baseline to follow-up visit: Part 1a: Day-1 to Day 8, Part 1b: Day-1 to Day 16; and Part 2: Day -1 to Day 19
An AE was defined as any untoward medical occurrence in a clinical study participant, temporally associated with the use of study drug, whether or not considered related to the study drug.
0.00%
0/6 • Continuously during study period from baseline to follow-up visit: Part 1a: Day-1 to Day 8, Part 1b: Day-1 to Day 16; and Part 2: Day -1 to Day 19
An AE was defined as any untoward medical occurrence in a clinical study participant, temporally associated with the use of study drug, whether or not considered related to the study drug.
0.00%
0/6 • Continuously during study period from baseline to follow-up visit: Part 1a: Day-1 to Day 8, Part 1b: Day-1 to Day 16; and Part 2: Day -1 to Day 19
An AE was defined as any untoward medical occurrence in a clinical study participant, temporally associated with the use of study drug, whether or not considered related to the study drug.
0.00%
0/6 • Continuously during study period from baseline to follow-up visit: Part 1a: Day-1 to Day 8, Part 1b: Day-1 to Day 16; and Part 2: Day -1 to Day 19
An AE was defined as any untoward medical occurrence in a clinical study participant, temporally associated with the use of study drug, whether or not considered related to the study drug.
16.7%
1/6 • Number of events 1 • Continuously during study period from baseline to follow-up visit: Part 1a: Day-1 to Day 8, Part 1b: Day-1 to Day 16; and Part 2: Day -1 to Day 19
An AE was defined as any untoward medical occurrence in a clinical study participant, temporally associated with the use of study drug, whether or not considered related to the study drug.
0.00%
0/10 • Continuously during study period from baseline to follow-up visit: Part 1a: Day-1 to Day 8, Part 1b: Day-1 to Day 16; and Part 2: Day -1 to Day 19
An AE was defined as any untoward medical occurrence in a clinical study participant, temporally associated with the use of study drug, whether or not considered related to the study drug.
8.3%
1/12 • Number of events 1 • Continuously during study period from baseline to follow-up visit: Part 1a: Day-1 to Day 8, Part 1b: Day-1 to Day 16; and Part 2: Day -1 to Day 19
An AE was defined as any untoward medical occurrence in a clinical study participant, temporally associated with the use of study drug, whether or not considered related to the study drug.
0.00%
0/8 • Continuously during study period from baseline to follow-up visit: Part 1a: Day-1 to Day 8, Part 1b: Day-1 to Day 16; and Part 2: Day -1 to Day 19
An AE was defined as any untoward medical occurrence in a clinical study participant, temporally associated with the use of study drug, whether or not considered related to the study drug.
0.00%
0/6 • Continuously during study period from baseline to follow-up visit: Part 1a: Day-1 to Day 8, Part 1b: Day-1 to Day 16; and Part 2: Day -1 to Day 19
An AE was defined as any untoward medical occurrence in a clinical study participant, temporally associated with the use of study drug, whether or not considered related to the study drug.
0.00%
0/6 • Continuously during study period from baseline to follow-up visit: Part 1a: Day-1 to Day 8, Part 1b: Day-1 to Day 16; and Part 2: Day -1 to Day 19
An AE was defined as any untoward medical occurrence in a clinical study participant, temporally associated with the use of study drug, whether or not considered related to the study drug.
16.7%
1/6 • Number of events 1 • Continuously during study period from baseline to follow-up visit: Part 1a: Day-1 to Day 8, Part 1b: Day-1 to Day 16; and Part 2: Day -1 to Day 19
An AE was defined as any untoward medical occurrence in a clinical study participant, temporally associated with the use of study drug, whether or not considered related to the study drug.
0.00%
0/6 • Continuously during study period from baseline to follow-up visit: Part 1a: Day-1 to Day 8, Part 1b: Day-1 to Day 16; and Part 2: Day -1 to Day 19
An AE was defined as any untoward medical occurrence in a clinical study participant, temporally associated with the use of study drug, whether or not considered related to the study drug.
Eye disorders
Abnormal sensation in eye, conjunctival hyperaemia
0.00%
0/6 • Continuously during study period from baseline to follow-up visit: Part 1a: Day-1 to Day 8, Part 1b: Day-1 to Day 16; and Part 2: Day -1 to Day 19
An AE was defined as any untoward medical occurrence in a clinical study participant, temporally associated with the use of study drug, whether or not considered related to the study drug.
0.00%
0/6 • Continuously during study period from baseline to follow-up visit: Part 1a: Day-1 to Day 8, Part 1b: Day-1 to Day 16; and Part 2: Day -1 to Day 19
An AE was defined as any untoward medical occurrence in a clinical study participant, temporally associated with the use of study drug, whether or not considered related to the study drug.
0.00%
0/6 • Continuously during study period from baseline to follow-up visit: Part 1a: Day-1 to Day 8, Part 1b: Day-1 to Day 16; and Part 2: Day -1 to Day 19
An AE was defined as any untoward medical occurrence in a clinical study participant, temporally associated with the use of study drug, whether or not considered related to the study drug.
16.7%
1/6 • Number of events 1 • Continuously during study period from baseline to follow-up visit: Part 1a: Day-1 to Day 8, Part 1b: Day-1 to Day 16; and Part 2: Day -1 to Day 19
An AE was defined as any untoward medical occurrence in a clinical study participant, temporally associated with the use of study drug, whether or not considered related to the study drug.
0.00%
0/6 • Continuously during study period from baseline to follow-up visit: Part 1a: Day-1 to Day 8, Part 1b: Day-1 to Day 16; and Part 2: Day -1 to Day 19
An AE was defined as any untoward medical occurrence in a clinical study participant, temporally associated with the use of study drug, whether or not considered related to the study drug.
0.00%
0/10 • Continuously during study period from baseline to follow-up visit: Part 1a: Day-1 to Day 8, Part 1b: Day-1 to Day 16; and Part 2: Day -1 to Day 19
An AE was defined as any untoward medical occurrence in a clinical study participant, temporally associated with the use of study drug, whether or not considered related to the study drug.
0.00%
0/12 • Continuously during study period from baseline to follow-up visit: Part 1a: Day-1 to Day 8, Part 1b: Day-1 to Day 16; and Part 2: Day -1 to Day 19
An AE was defined as any untoward medical occurrence in a clinical study participant, temporally associated with the use of study drug, whether or not considered related to the study drug.
0.00%
0/8 • Continuously during study period from baseline to follow-up visit: Part 1a: Day-1 to Day 8, Part 1b: Day-1 to Day 16; and Part 2: Day -1 to Day 19
An AE was defined as any untoward medical occurrence in a clinical study participant, temporally associated with the use of study drug, whether or not considered related to the study drug.
0.00%
0/6 • Continuously during study period from baseline to follow-up visit: Part 1a: Day-1 to Day 8, Part 1b: Day-1 to Day 16; and Part 2: Day -1 to Day 19
An AE was defined as any untoward medical occurrence in a clinical study participant, temporally associated with the use of study drug, whether or not considered related to the study drug.
0.00%
0/6 • Continuously during study period from baseline to follow-up visit: Part 1a: Day-1 to Day 8, Part 1b: Day-1 to Day 16; and Part 2: Day -1 to Day 19
An AE was defined as any untoward medical occurrence in a clinical study participant, temporally associated with the use of study drug, whether or not considered related to the study drug.
16.7%
1/6 • Number of events 1 • Continuously during study period from baseline to follow-up visit: Part 1a: Day-1 to Day 8, Part 1b: Day-1 to Day 16; and Part 2: Day -1 to Day 19
An AE was defined as any untoward medical occurrence in a clinical study participant, temporally associated with the use of study drug, whether or not considered related to the study drug.
0.00%
0/6 • Continuously during study period from baseline to follow-up visit: Part 1a: Day-1 to Day 8, Part 1b: Day-1 to Day 16; and Part 2: Day -1 to Day 19
An AE was defined as any untoward medical occurrence in a clinical study participant, temporally associated with the use of study drug, whether or not considered related to the study drug.
Gastrointestinal disorders
Dry mouth, abdominal discomfort, constipation, abdominal pain
16.7%
1/6 • Number of events 1 • Continuously during study period from baseline to follow-up visit: Part 1a: Day-1 to Day 8, Part 1b: Day-1 to Day 16; and Part 2: Day -1 to Day 19
An AE was defined as any untoward medical occurrence in a clinical study participant, temporally associated with the use of study drug, whether or not considered related to the study drug.
0.00%
0/6 • Continuously during study period from baseline to follow-up visit: Part 1a: Day-1 to Day 8, Part 1b: Day-1 to Day 16; and Part 2: Day -1 to Day 19
An AE was defined as any untoward medical occurrence in a clinical study participant, temporally associated with the use of study drug, whether or not considered related to the study drug.
0.00%
0/6 • Continuously during study period from baseline to follow-up visit: Part 1a: Day-1 to Day 8, Part 1b: Day-1 to Day 16; and Part 2: Day -1 to Day 19
An AE was defined as any untoward medical occurrence in a clinical study participant, temporally associated with the use of study drug, whether or not considered related to the study drug.
0.00%
0/6 • Continuously during study period from baseline to follow-up visit: Part 1a: Day-1 to Day 8, Part 1b: Day-1 to Day 16; and Part 2: Day -1 to Day 19
An AE was defined as any untoward medical occurrence in a clinical study participant, temporally associated with the use of study drug, whether or not considered related to the study drug.
0.00%
0/6 • Continuously during study period from baseline to follow-up visit: Part 1a: Day-1 to Day 8, Part 1b: Day-1 to Day 16; and Part 2: Day -1 to Day 19
An AE was defined as any untoward medical occurrence in a clinical study participant, temporally associated with the use of study drug, whether or not considered related to the study drug.
0.00%
0/10 • Continuously during study period from baseline to follow-up visit: Part 1a: Day-1 to Day 8, Part 1b: Day-1 to Day 16; and Part 2: Day -1 to Day 19
An AE was defined as any untoward medical occurrence in a clinical study participant, temporally associated with the use of study drug, whether or not considered related to the study drug.
0.00%
0/12 • Continuously during study period from baseline to follow-up visit: Part 1a: Day-1 to Day 8, Part 1b: Day-1 to Day 16; and Part 2: Day -1 to Day 19
An AE was defined as any untoward medical occurrence in a clinical study participant, temporally associated with the use of study drug, whether or not considered related to the study drug.
0.00%
0/8 • Continuously during study period from baseline to follow-up visit: Part 1a: Day-1 to Day 8, Part 1b: Day-1 to Day 16; and Part 2: Day -1 to Day 19
An AE was defined as any untoward medical occurrence in a clinical study participant, temporally associated with the use of study drug, whether or not considered related to the study drug.
0.00%
0/6 • Continuously during study period from baseline to follow-up visit: Part 1a: Day-1 to Day 8, Part 1b: Day-1 to Day 16; and Part 2: Day -1 to Day 19
An AE was defined as any untoward medical occurrence in a clinical study participant, temporally associated with the use of study drug, whether or not considered related to the study drug.
16.7%
1/6 • Number of events 1 • Continuously during study period from baseline to follow-up visit: Part 1a: Day-1 to Day 8, Part 1b: Day-1 to Day 16; and Part 2: Day -1 to Day 19
An AE was defined as any untoward medical occurrence in a clinical study participant, temporally associated with the use of study drug, whether or not considered related to the study drug.
16.7%
1/6 • Number of events 2 • Continuously during study period from baseline to follow-up visit: Part 1a: Day-1 to Day 8, Part 1b: Day-1 to Day 16; and Part 2: Day -1 to Day 19
An AE was defined as any untoward medical occurrence in a clinical study participant, temporally associated with the use of study drug, whether or not considered related to the study drug.
16.7%
1/6 • Number of events 1 • Continuously during study period from baseline to follow-up visit: Part 1a: Day-1 to Day 8, Part 1b: Day-1 to Day 16; and Part 2: Day -1 to Day 19
An AE was defined as any untoward medical occurrence in a clinical study participant, temporally associated with the use of study drug, whether or not considered related to the study drug.
Skin and subcutaneous tissue disorders
Skin irritation
16.7%
1/6 • Number of events 1 • Continuously during study period from baseline to follow-up visit: Part 1a: Day-1 to Day 8, Part 1b: Day-1 to Day 16; and Part 2: Day -1 to Day 19
An AE was defined as any untoward medical occurrence in a clinical study participant, temporally associated with the use of study drug, whether or not considered related to the study drug.
0.00%
0/6 • Continuously during study period from baseline to follow-up visit: Part 1a: Day-1 to Day 8, Part 1b: Day-1 to Day 16; and Part 2: Day -1 to Day 19
An AE was defined as any untoward medical occurrence in a clinical study participant, temporally associated with the use of study drug, whether or not considered related to the study drug.
0.00%
0/6 • Continuously during study period from baseline to follow-up visit: Part 1a: Day-1 to Day 8, Part 1b: Day-1 to Day 16; and Part 2: Day -1 to Day 19
An AE was defined as any untoward medical occurrence in a clinical study participant, temporally associated with the use of study drug, whether or not considered related to the study drug.
0.00%
0/6 • Continuously during study period from baseline to follow-up visit: Part 1a: Day-1 to Day 8, Part 1b: Day-1 to Day 16; and Part 2: Day -1 to Day 19
An AE was defined as any untoward medical occurrence in a clinical study participant, temporally associated with the use of study drug, whether or not considered related to the study drug.
0.00%
0/6 • Continuously during study period from baseline to follow-up visit: Part 1a: Day-1 to Day 8, Part 1b: Day-1 to Day 16; and Part 2: Day -1 to Day 19
An AE was defined as any untoward medical occurrence in a clinical study participant, temporally associated with the use of study drug, whether or not considered related to the study drug.
0.00%
0/10 • Continuously during study period from baseline to follow-up visit: Part 1a: Day-1 to Day 8, Part 1b: Day-1 to Day 16; and Part 2: Day -1 to Day 19
An AE was defined as any untoward medical occurrence in a clinical study participant, temporally associated with the use of study drug, whether or not considered related to the study drug.
0.00%
0/12 • Continuously during study period from baseline to follow-up visit: Part 1a: Day-1 to Day 8, Part 1b: Day-1 to Day 16; and Part 2: Day -1 to Day 19
An AE was defined as any untoward medical occurrence in a clinical study participant, temporally associated with the use of study drug, whether or not considered related to the study drug.
0.00%
0/8 • Continuously during study period from baseline to follow-up visit: Part 1a: Day-1 to Day 8, Part 1b: Day-1 to Day 16; and Part 2: Day -1 to Day 19
An AE was defined as any untoward medical occurrence in a clinical study participant, temporally associated with the use of study drug, whether or not considered related to the study drug.
0.00%
0/6 • Continuously during study period from baseline to follow-up visit: Part 1a: Day-1 to Day 8, Part 1b: Day-1 to Day 16; and Part 2: Day -1 to Day 19
An AE was defined as any untoward medical occurrence in a clinical study participant, temporally associated with the use of study drug, whether or not considered related to the study drug.
0.00%
0/6 • Continuously during study period from baseline to follow-up visit: Part 1a: Day-1 to Day 8, Part 1b: Day-1 to Day 16; and Part 2: Day -1 to Day 19
An AE was defined as any untoward medical occurrence in a clinical study participant, temporally associated with the use of study drug, whether or not considered related to the study drug.
0.00%
0/6 • Continuously during study period from baseline to follow-up visit: Part 1a: Day-1 to Day 8, Part 1b: Day-1 to Day 16; and Part 2: Day -1 to Day 19
An AE was defined as any untoward medical occurrence in a clinical study participant, temporally associated with the use of study drug, whether or not considered related to the study drug.
0.00%
0/6 • Continuously during study period from baseline to follow-up visit: Part 1a: Day-1 to Day 8, Part 1b: Day-1 to Day 16; and Part 2: Day -1 to Day 19
An AE was defined as any untoward medical occurrence in a clinical study participant, temporally associated with the use of study drug, whether or not considered related to the study drug.
Musculoskeletal and connective tissue disorders
Back pain, musculoskeletal chest pain, neck pain
0.00%
0/6 • Continuously during study period from baseline to follow-up visit: Part 1a: Day-1 to Day 8, Part 1b: Day-1 to Day 16; and Part 2: Day -1 to Day 19
An AE was defined as any untoward medical occurrence in a clinical study participant, temporally associated with the use of study drug, whether or not considered related to the study drug.
0.00%
0/6 • Continuously during study period from baseline to follow-up visit: Part 1a: Day-1 to Day 8, Part 1b: Day-1 to Day 16; and Part 2: Day -1 to Day 19
An AE was defined as any untoward medical occurrence in a clinical study participant, temporally associated with the use of study drug, whether or not considered related to the study drug.
0.00%
0/6 • Continuously during study period from baseline to follow-up visit: Part 1a: Day-1 to Day 8, Part 1b: Day-1 to Day 16; and Part 2: Day -1 to Day 19
An AE was defined as any untoward medical occurrence in a clinical study participant, temporally associated with the use of study drug, whether or not considered related to the study drug.
0.00%
0/6 • Continuously during study period from baseline to follow-up visit: Part 1a: Day-1 to Day 8, Part 1b: Day-1 to Day 16; and Part 2: Day -1 to Day 19
An AE was defined as any untoward medical occurrence in a clinical study participant, temporally associated with the use of study drug, whether or not considered related to the study drug.
0.00%
0/6 • Continuously during study period from baseline to follow-up visit: Part 1a: Day-1 to Day 8, Part 1b: Day-1 to Day 16; and Part 2: Day -1 to Day 19
An AE was defined as any untoward medical occurrence in a clinical study participant, temporally associated with the use of study drug, whether or not considered related to the study drug.
0.00%
0/10 • Continuously during study period from baseline to follow-up visit: Part 1a: Day-1 to Day 8, Part 1b: Day-1 to Day 16; and Part 2: Day -1 to Day 19
An AE was defined as any untoward medical occurrence in a clinical study participant, temporally associated with the use of study drug, whether or not considered related to the study drug.
0.00%
0/12 • Continuously during study period from baseline to follow-up visit: Part 1a: Day-1 to Day 8, Part 1b: Day-1 to Day 16; and Part 2: Day -1 to Day 19
An AE was defined as any untoward medical occurrence in a clinical study participant, temporally associated with the use of study drug, whether or not considered related to the study drug.
0.00%
0/8 • Continuously during study period from baseline to follow-up visit: Part 1a: Day-1 to Day 8, Part 1b: Day-1 to Day 16; and Part 2: Day -1 to Day 19
An AE was defined as any untoward medical occurrence in a clinical study participant, temporally associated with the use of study drug, whether or not considered related to the study drug.
0.00%
0/6 • Continuously during study period from baseline to follow-up visit: Part 1a: Day-1 to Day 8, Part 1b: Day-1 to Day 16; and Part 2: Day -1 to Day 19
An AE was defined as any untoward medical occurrence in a clinical study participant, temporally associated with the use of study drug, whether or not considered related to the study drug.
0.00%
0/6 • Continuously during study period from baseline to follow-up visit: Part 1a: Day-1 to Day 8, Part 1b: Day-1 to Day 16; and Part 2: Day -1 to Day 19
An AE was defined as any untoward medical occurrence in a clinical study participant, temporally associated with the use of study drug, whether or not considered related to the study drug.
16.7%
1/6 • Number of events 2 • Continuously during study period from baseline to follow-up visit: Part 1a: Day-1 to Day 8, Part 1b: Day-1 to Day 16; and Part 2: Day -1 to Day 19
An AE was defined as any untoward medical occurrence in a clinical study participant, temporally associated with the use of study drug, whether or not considered related to the study drug.
16.7%
1/6 • Number of events 2 • Continuously during study period from baseline to follow-up visit: Part 1a: Day-1 to Day 8, Part 1b: Day-1 to Day 16; and Part 2: Day -1 to Day 19
An AE was defined as any untoward medical occurrence in a clinical study participant, temporally associated with the use of study drug, whether or not considered related to the study drug.
General disorders
Fatigue
0.00%
0/6 • Continuously during study period from baseline to follow-up visit: Part 1a: Day-1 to Day 8, Part 1b: Day-1 to Day 16; and Part 2: Day -1 to Day 19
An AE was defined as any untoward medical occurrence in a clinical study participant, temporally associated with the use of study drug, whether or not considered related to the study drug.
0.00%
0/6 • Continuously during study period from baseline to follow-up visit: Part 1a: Day-1 to Day 8, Part 1b: Day-1 to Day 16; and Part 2: Day -1 to Day 19
An AE was defined as any untoward medical occurrence in a clinical study participant, temporally associated with the use of study drug, whether or not considered related to the study drug.
0.00%
0/6 • Continuously during study period from baseline to follow-up visit: Part 1a: Day-1 to Day 8, Part 1b: Day-1 to Day 16; and Part 2: Day -1 to Day 19
An AE was defined as any untoward medical occurrence in a clinical study participant, temporally associated with the use of study drug, whether or not considered related to the study drug.
0.00%
0/6 • Continuously during study period from baseline to follow-up visit: Part 1a: Day-1 to Day 8, Part 1b: Day-1 to Day 16; and Part 2: Day -1 to Day 19
An AE was defined as any untoward medical occurrence in a clinical study participant, temporally associated with the use of study drug, whether or not considered related to the study drug.
0.00%
0/6 • Continuously during study period from baseline to follow-up visit: Part 1a: Day-1 to Day 8, Part 1b: Day-1 to Day 16; and Part 2: Day -1 to Day 19
An AE was defined as any untoward medical occurrence in a clinical study participant, temporally associated with the use of study drug, whether or not considered related to the study drug.
0.00%
0/10 • Continuously during study period from baseline to follow-up visit: Part 1a: Day-1 to Day 8, Part 1b: Day-1 to Day 16; and Part 2: Day -1 to Day 19
An AE was defined as any untoward medical occurrence in a clinical study participant, temporally associated with the use of study drug, whether or not considered related to the study drug.
0.00%
0/12 • Continuously during study period from baseline to follow-up visit: Part 1a: Day-1 to Day 8, Part 1b: Day-1 to Day 16; and Part 2: Day -1 to Day 19
An AE was defined as any untoward medical occurrence in a clinical study participant, temporally associated with the use of study drug, whether or not considered related to the study drug.
0.00%
0/8 • Continuously during study period from baseline to follow-up visit: Part 1a: Day-1 to Day 8, Part 1b: Day-1 to Day 16; and Part 2: Day -1 to Day 19
An AE was defined as any untoward medical occurrence in a clinical study participant, temporally associated with the use of study drug, whether or not considered related to the study drug.
16.7%
1/6 • Number of events 1 • Continuously during study period from baseline to follow-up visit: Part 1a: Day-1 to Day 8, Part 1b: Day-1 to Day 16; and Part 2: Day -1 to Day 19
An AE was defined as any untoward medical occurrence in a clinical study participant, temporally associated with the use of study drug, whether or not considered related to the study drug.
0.00%
0/6 • Continuously during study period from baseline to follow-up visit: Part 1a: Day-1 to Day 8, Part 1b: Day-1 to Day 16; and Part 2: Day -1 to Day 19
An AE was defined as any untoward medical occurrence in a clinical study participant, temporally associated with the use of study drug, whether or not considered related to the study drug.
0.00%
0/6 • Continuously during study period from baseline to follow-up visit: Part 1a: Day-1 to Day 8, Part 1b: Day-1 to Day 16; and Part 2: Day -1 to Day 19
An AE was defined as any untoward medical occurrence in a clinical study participant, temporally associated with the use of study drug, whether or not considered related to the study drug.
0.00%
0/6 • Continuously during study period from baseline to follow-up visit: Part 1a: Day-1 to Day 8, Part 1b: Day-1 to Day 16; and Part 2: Day -1 to Day 19
An AE was defined as any untoward medical occurrence in a clinical study participant, temporally associated with the use of study drug, whether or not considered related to the study drug.
Injury, poisoning and procedural complications
Lip injury
0.00%
0/6 • Continuously during study period from baseline to follow-up visit: Part 1a: Day-1 to Day 8, Part 1b: Day-1 to Day 16; and Part 2: Day -1 to Day 19
An AE was defined as any untoward medical occurrence in a clinical study participant, temporally associated with the use of study drug, whether or not considered related to the study drug.
0.00%
0/6 • Continuously during study period from baseline to follow-up visit: Part 1a: Day-1 to Day 8, Part 1b: Day-1 to Day 16; and Part 2: Day -1 to Day 19
An AE was defined as any untoward medical occurrence in a clinical study participant, temporally associated with the use of study drug, whether or not considered related to the study drug.
0.00%
0/6 • Continuously during study period from baseline to follow-up visit: Part 1a: Day-1 to Day 8, Part 1b: Day-1 to Day 16; and Part 2: Day -1 to Day 19
An AE was defined as any untoward medical occurrence in a clinical study participant, temporally associated with the use of study drug, whether or not considered related to the study drug.
0.00%
0/6 • Continuously during study period from baseline to follow-up visit: Part 1a: Day-1 to Day 8, Part 1b: Day-1 to Day 16; and Part 2: Day -1 to Day 19
An AE was defined as any untoward medical occurrence in a clinical study participant, temporally associated with the use of study drug, whether or not considered related to the study drug.
0.00%
0/6 • Continuously during study period from baseline to follow-up visit: Part 1a: Day-1 to Day 8, Part 1b: Day-1 to Day 16; and Part 2: Day -1 to Day 19
An AE was defined as any untoward medical occurrence in a clinical study participant, temporally associated with the use of study drug, whether or not considered related to the study drug.
0.00%
0/10 • Continuously during study period from baseline to follow-up visit: Part 1a: Day-1 to Day 8, Part 1b: Day-1 to Day 16; and Part 2: Day -1 to Day 19
An AE was defined as any untoward medical occurrence in a clinical study participant, temporally associated with the use of study drug, whether or not considered related to the study drug.
0.00%
0/12 • Continuously during study period from baseline to follow-up visit: Part 1a: Day-1 to Day 8, Part 1b: Day-1 to Day 16; and Part 2: Day -1 to Day 19
An AE was defined as any untoward medical occurrence in a clinical study participant, temporally associated with the use of study drug, whether or not considered related to the study drug.
0.00%
0/8 • Continuously during study period from baseline to follow-up visit: Part 1a: Day-1 to Day 8, Part 1b: Day-1 to Day 16; and Part 2: Day -1 to Day 19
An AE was defined as any untoward medical occurrence in a clinical study participant, temporally associated with the use of study drug, whether or not considered related to the study drug.
16.7%
1/6 • Number of events 1 • Continuously during study period from baseline to follow-up visit: Part 1a: Day-1 to Day 8, Part 1b: Day-1 to Day 16; and Part 2: Day -1 to Day 19
An AE was defined as any untoward medical occurrence in a clinical study participant, temporally associated with the use of study drug, whether or not considered related to the study drug.
0.00%
0/6 • Continuously during study period from baseline to follow-up visit: Part 1a: Day-1 to Day 8, Part 1b: Day-1 to Day 16; and Part 2: Day -1 to Day 19
An AE was defined as any untoward medical occurrence in a clinical study participant, temporally associated with the use of study drug, whether or not considered related to the study drug.
0.00%
0/6 • Continuously during study period from baseline to follow-up visit: Part 1a: Day-1 to Day 8, Part 1b: Day-1 to Day 16; and Part 2: Day -1 to Day 19
An AE was defined as any untoward medical occurrence in a clinical study participant, temporally associated with the use of study drug, whether or not considered related to the study drug.
0.00%
0/6 • Continuously during study period from baseline to follow-up visit: Part 1a: Day-1 to Day 8, Part 1b: Day-1 to Day 16; and Part 2: Day -1 to Day 19
An AE was defined as any untoward medical occurrence in a clinical study participant, temporally associated with the use of study drug, whether or not considered related to the study drug.
Psychiatric disorders
Insomnia
0.00%
0/6 • Continuously during study period from baseline to follow-up visit: Part 1a: Day-1 to Day 8, Part 1b: Day-1 to Day 16; and Part 2: Day -1 to Day 19
An AE was defined as any untoward medical occurrence in a clinical study participant, temporally associated with the use of study drug, whether or not considered related to the study drug.
0.00%
0/6 • Continuously during study period from baseline to follow-up visit: Part 1a: Day-1 to Day 8, Part 1b: Day-1 to Day 16; and Part 2: Day -1 to Day 19
An AE was defined as any untoward medical occurrence in a clinical study participant, temporally associated with the use of study drug, whether or not considered related to the study drug.
0.00%
0/6 • Continuously during study period from baseline to follow-up visit: Part 1a: Day-1 to Day 8, Part 1b: Day-1 to Day 16; and Part 2: Day -1 to Day 19
An AE was defined as any untoward medical occurrence in a clinical study participant, temporally associated with the use of study drug, whether or not considered related to the study drug.
0.00%
0/6 • Continuously during study period from baseline to follow-up visit: Part 1a: Day-1 to Day 8, Part 1b: Day-1 to Day 16; and Part 2: Day -1 to Day 19
An AE was defined as any untoward medical occurrence in a clinical study participant, temporally associated with the use of study drug, whether or not considered related to the study drug.
0.00%
0/6 • Continuously during study period from baseline to follow-up visit: Part 1a: Day-1 to Day 8, Part 1b: Day-1 to Day 16; and Part 2: Day -1 to Day 19
An AE was defined as any untoward medical occurrence in a clinical study participant, temporally associated with the use of study drug, whether or not considered related to the study drug.
0.00%
0/10 • Continuously during study period from baseline to follow-up visit: Part 1a: Day-1 to Day 8, Part 1b: Day-1 to Day 16; and Part 2: Day -1 to Day 19
An AE was defined as any untoward medical occurrence in a clinical study participant, temporally associated with the use of study drug, whether or not considered related to the study drug.
0.00%
0/12 • Continuously during study period from baseline to follow-up visit: Part 1a: Day-1 to Day 8, Part 1b: Day-1 to Day 16; and Part 2: Day -1 to Day 19
An AE was defined as any untoward medical occurrence in a clinical study participant, temporally associated with the use of study drug, whether or not considered related to the study drug.
0.00%
0/8 • Continuously during study period from baseline to follow-up visit: Part 1a: Day-1 to Day 8, Part 1b: Day-1 to Day 16; and Part 2: Day -1 to Day 19
An AE was defined as any untoward medical occurrence in a clinical study participant, temporally associated with the use of study drug, whether or not considered related to the study drug.
0.00%
0/6 • Continuously during study period from baseline to follow-up visit: Part 1a: Day-1 to Day 8, Part 1b: Day-1 to Day 16; and Part 2: Day -1 to Day 19
An AE was defined as any untoward medical occurrence in a clinical study participant, temporally associated with the use of study drug, whether or not considered related to the study drug.
0.00%
0/6 • Continuously during study period from baseline to follow-up visit: Part 1a: Day-1 to Day 8, Part 1b: Day-1 to Day 16; and Part 2: Day -1 to Day 19
An AE was defined as any untoward medical occurrence in a clinical study participant, temporally associated with the use of study drug, whether or not considered related to the study drug.
0.00%
0/6 • Continuously during study period from baseline to follow-up visit: Part 1a: Day-1 to Day 8, Part 1b: Day-1 to Day 16; and Part 2: Day -1 to Day 19
An AE was defined as any untoward medical occurrence in a clinical study participant, temporally associated with the use of study drug, whether or not considered related to the study drug.
16.7%
1/6 • Number of events 1 • Continuously during study period from baseline to follow-up visit: Part 1a: Day-1 to Day 8, Part 1b: Day-1 to Day 16; and Part 2: Day -1 to Day 19
An AE was defined as any untoward medical occurrence in a clinical study participant, temporally associated with the use of study drug, whether or not considered related to the study drug.
Vascular disorders
Hot flush
0.00%
0/6 • Continuously during study period from baseline to follow-up visit: Part 1a: Day-1 to Day 8, Part 1b: Day-1 to Day 16; and Part 2: Day -1 to Day 19
An AE was defined as any untoward medical occurrence in a clinical study participant, temporally associated with the use of study drug, whether or not considered related to the study drug.
0.00%
0/6 • Continuously during study period from baseline to follow-up visit: Part 1a: Day-1 to Day 8, Part 1b: Day-1 to Day 16; and Part 2: Day -1 to Day 19
An AE was defined as any untoward medical occurrence in a clinical study participant, temporally associated with the use of study drug, whether or not considered related to the study drug.
0.00%
0/6 • Continuously during study period from baseline to follow-up visit: Part 1a: Day-1 to Day 8, Part 1b: Day-1 to Day 16; and Part 2: Day -1 to Day 19
An AE was defined as any untoward medical occurrence in a clinical study participant, temporally associated with the use of study drug, whether or not considered related to the study drug.
0.00%
0/6 • Continuously during study period from baseline to follow-up visit: Part 1a: Day-1 to Day 8, Part 1b: Day-1 to Day 16; and Part 2: Day -1 to Day 19
An AE was defined as any untoward medical occurrence in a clinical study participant, temporally associated with the use of study drug, whether or not considered related to the study drug.
0.00%
0/6 • Continuously during study period from baseline to follow-up visit: Part 1a: Day-1 to Day 8, Part 1b: Day-1 to Day 16; and Part 2: Day -1 to Day 19
An AE was defined as any untoward medical occurrence in a clinical study participant, temporally associated with the use of study drug, whether or not considered related to the study drug.
0.00%
0/10 • Continuously during study period from baseline to follow-up visit: Part 1a: Day-1 to Day 8, Part 1b: Day-1 to Day 16; and Part 2: Day -1 to Day 19
An AE was defined as any untoward medical occurrence in a clinical study participant, temporally associated with the use of study drug, whether or not considered related to the study drug.
0.00%
0/12 • Continuously during study period from baseline to follow-up visit: Part 1a: Day-1 to Day 8, Part 1b: Day-1 to Day 16; and Part 2: Day -1 to Day 19
An AE was defined as any untoward medical occurrence in a clinical study participant, temporally associated with the use of study drug, whether or not considered related to the study drug.
0.00%
0/8 • Continuously during study period from baseline to follow-up visit: Part 1a: Day-1 to Day 8, Part 1b: Day-1 to Day 16; and Part 2: Day -1 to Day 19
An AE was defined as any untoward medical occurrence in a clinical study participant, temporally associated with the use of study drug, whether or not considered related to the study drug.
0.00%
0/6 • Continuously during study period from baseline to follow-up visit: Part 1a: Day-1 to Day 8, Part 1b: Day-1 to Day 16; and Part 2: Day -1 to Day 19
An AE was defined as any untoward medical occurrence in a clinical study participant, temporally associated with the use of study drug, whether or not considered related to the study drug.
0.00%
0/6 • Continuously during study period from baseline to follow-up visit: Part 1a: Day-1 to Day 8, Part 1b: Day-1 to Day 16; and Part 2: Day -1 to Day 19
An AE was defined as any untoward medical occurrence in a clinical study participant, temporally associated with the use of study drug, whether or not considered related to the study drug.
0.00%
0/6 • Continuously during study period from baseline to follow-up visit: Part 1a: Day-1 to Day 8, Part 1b: Day-1 to Day 16; and Part 2: Day -1 to Day 19
An AE was defined as any untoward medical occurrence in a clinical study participant, temporally associated with the use of study drug, whether or not considered related to the study drug.
16.7%
1/6 • Number of events 1 • Continuously during study period from baseline to follow-up visit: Part 1a: Day-1 to Day 8, Part 1b: Day-1 to Day 16; and Part 2: Day -1 to Day 19
An AE was defined as any untoward medical occurrence in a clinical study participant, temporally associated with the use of study drug, whether or not considered related to the study drug.

Additional Information

Sr. Director, Clinical Development Operations

HPI, Inc.

Phone: 301-738-3980

Results disclosure agreements

  • Principal investigator is a sponsor employee
  • Publication restrictions are in place

Restriction type: OTHER