Trial Outcomes & Findings for A Fixed-Sequence, Drug-Drug Interaction Study Between Multiple Oral Doses of Inarigivir Soproxil and a Single Oral Dose of Midazolam in Healthy Subjects (NCT NCT03493698)

NCT ID: NCT03493698

Last Updated: 2020-10-08

Results Overview

Comparison of Cmax for midazolam between Treatments A and D.

Recruitment status

COMPLETED

Study phase

PHASE1

Target enrollment

17 participants

Primary outcome timeframe

Day 1 Treatment A and Day 19 Treatment D, respectively

Results posted on

2020-10-08

Participant Flow

Each subject was expected to complete treatment groups A, B, C and D; sequentially.

Participant milestones

Participant milestones
Measure
Sequential Single, Multi-day & Combo Midazolam and Inarigivir
A: All subjects will receive a single oral dose of 2 mg Midazolam on Day 1 B: All subjects will receive a single oral dose of 400 mg Inarigivir on Day 3 C: All subjects receive oral dose of 400 mg Inarigivir once daily from Day 6 to Day 18 D: All subjects will receive a single oral dose of 400 mg Inarigivir coadministered with a single oral dose of 2 mg Midazolam on Day 19
Treatment Period A
STARTED
17
Treatment Period A
COMPLETED
17
Treatment Period A
NOT COMPLETED
0
Treatment Period B
STARTED
17
Treatment Period B
COMPLETED
17
Treatment Period B
NOT COMPLETED
0
Treatment Period C
STARTED
17
Treatment Period C
COMPLETED
15
Treatment Period C
NOT COMPLETED
2
Treatment Period D
STARTED
15
Treatment Period D
COMPLETED
15
Treatment Period D
NOT COMPLETED
0

Reasons for withdrawal

Reasons for withdrawal
Measure
Sequential Single, Multi-day & Combo Midazolam and Inarigivir
A: All subjects will receive a single oral dose of 2 mg Midazolam on Day 1 B: All subjects will receive a single oral dose of 400 mg Inarigivir on Day 3 C: All subjects receive oral dose of 400 mg Inarigivir once daily from Day 6 to Day 18 D: All subjects will receive a single oral dose of 400 mg Inarigivir coadministered with a single oral dose of 2 mg Midazolam on Day 19
Treatment Period C
Adverse Event
1
Treatment Period C
Withdrawal by Subject
1

Baseline Characteristics

A Fixed-Sequence, Drug-Drug Interaction Study Between Multiple Oral Doses of Inarigivir Soproxil and a Single Oral Dose of Midazolam in Healthy Subjects

Baseline characteristics by cohort

Baseline characteristics by cohort
Measure
Sequential Single, Multi-day & Combo Midazolam and Inarigivir
n=17 Participants
A: All subjects will receive a single oral dose of 2 mg Midazolam on Day 1 B: All subjects will receive a single oral dose of 400 mg Inarigivir on Day 3 C: All subjects receive oral dose of 400 mg Inarigivir once daily from Day 6 to Day 18 D: All subjects will receive a single oral dose of 400 mg Inarigivir coadministered with a single oral dose of 2 mg Midazolam on Day 19
Age, Continuous
30 years
STANDARD_DEVIATION 9 • n=39 Participants
Sex: Female, Male
Female
4 Participants
n=39 Participants
Sex: Female, Male
Male
13 Participants
n=39 Participants
Ethnicity (NIH/OMB)
Hispanic or Latino
0 Participants
n=39 Participants
Ethnicity (NIH/OMB)
Not Hispanic or Latino
17 Participants
n=39 Participants
Ethnicity (NIH/OMB)
Unknown or Not Reported
0 Participants
n=39 Participants
Race (NIH/OMB)
American Indian or Alaska Native
1 Participants
n=39 Participants
Race (NIH/OMB)
Asian
2 Participants
n=39 Participants
Race (NIH/OMB)
Native Hawaiian or Other Pacific Islander
0 Participants
n=39 Participants
Race (NIH/OMB)
Black or African American
0 Participants
n=39 Participants
Race (NIH/OMB)
White
11 Participants
n=39 Participants
Race (NIH/OMB)
More than one race
3 Participants
n=39 Participants
Race (NIH/OMB)
Unknown or Not Reported
0 Participants
n=39 Participants
Region of Enrollment
Netherlands
17 Participants
n=39 Participants
BMI
25.5 kg/m^2
STANDARD_DEVIATION 3.1 • n=39 Participants

PRIMARY outcome

Timeframe: Day 1 Treatment A and Day 19 Treatment D, respectively

Population: All subjects who received at least one dose of midazolam and had sufficient concentration-time data to reliably estimate PK parameters

Comparison of Cmax for midazolam between Treatments A and D.

Outcome measures

Outcome measures
Measure
Treatment A: Midazolam
n=17 Participants
All subjects will receive a single oral dose of 2 mg Midazolam on Day 1 Midazolam: Midazolam
Treatment B and C: Inarigivir
B: All subjects will receive a single oral dose of 400 mg Inarigivir on Day 3 C: All subjects receive oral dose of 400 mg Inarigivir once daily from Day 6 to Day 18 Inarigivir: Inarigivir
Treatment D: Inarigivir With Midazolam
n=15 Participants
All subjects will receive a single oral dose of 400 mg Inarigivir coadministered with a single oral dose of 2 mg Midazolam on Day 19 Midazolam: Midazolam Inarigivir: Inarigivir
Treatment D: Inarigivir With Midazolam
All subjects will receive a single oral dose of 400 mg Inarigivir coadministered with a single oral dose of 2 mg Midazolam on Day 19 Midazolam: Midazolam Inarigivir: Inarigivir
Effect of Steady-state Oral Inarigivir on the Single Dose Pharmacokinetics (PK) of Oral Midazolam in Healthy Subjects (Cmax)
12.4 ng/mL
Interval 6.19 to 21.4
13.0 ng/mL
Interval 7.54 to 21.0

PRIMARY outcome

Timeframe: Day 1 Treatment A and Day 19 Treatment D, respectively

Population: This outcome measure was prespecified for treatment groups A and D only.

Comparison of AUC0-t for midazolam between Treatments A and D.

Outcome measures

Outcome measures
Measure
Treatment A: Midazolam
n=17 Participants
All subjects will receive a single oral dose of 2 mg Midazolam on Day 1 Midazolam: Midazolam
Treatment B and C: Inarigivir
B: All subjects will receive a single oral dose of 400 mg Inarigivir on Day 3 C: All subjects receive oral dose of 400 mg Inarigivir once daily from Day 6 to Day 18 Inarigivir: Inarigivir
Treatment D: Inarigivir With Midazolam
n=15 Participants
All subjects will receive a single oral dose of 400 mg Inarigivir coadministered with a single oral dose of 2 mg Midazolam on Day 19 Midazolam: Midazolam Inarigivir: Inarigivir
Treatment D: Inarigivir With Midazolam
All subjects will receive a single oral dose of 400 mg Inarigivir coadministered with a single oral dose of 2 mg Midazolam on Day 19 Midazolam: Midazolam Inarigivir: Inarigivir
Effect of Steady-state Oral Inarigivir on the Single Dose Pharmacokinetics (PK) of Oral Midazolam in Healthy Subjects (AUC0-t)
29.9 h.ng/ml
Interval 16.2 to 57.7
28.7 h.ng/ml
Interval 15.6 to 44.6

PRIMARY outcome

Timeframe: Day 1 Treatment A and Day 19 Treatment D, respectively

Population: This outcome measure was prespecified for treatment groups A and D only.

Comparison of AUC0-inf for midazolam between Treatments A and D.

Outcome measures

Outcome measures
Measure
Treatment A: Midazolam
n=17 Participants
All subjects will receive a single oral dose of 2 mg Midazolam on Day 1 Midazolam: Midazolam
Treatment B and C: Inarigivir
B: All subjects will receive a single oral dose of 400 mg Inarigivir on Day 3 C: All subjects receive oral dose of 400 mg Inarigivir once daily from Day 6 to Day 18 Inarigivir: Inarigivir
Treatment D: Inarigivir With Midazolam
n=15 Participants
All subjects will receive a single oral dose of 400 mg Inarigivir coadministered with a single oral dose of 2 mg Midazolam on Day 19 Midazolam: Midazolam Inarigivir: Inarigivir
Treatment D: Inarigivir With Midazolam
All subjects will receive a single oral dose of 400 mg Inarigivir coadministered with a single oral dose of 2 mg Midazolam on Day 19 Midazolam: Midazolam Inarigivir: Inarigivir
Effect of Steady-state Oral Inarigivir on the Single Dose Pharmacokinetics (PK) of Oral Midazolam in Healthy Subjects (AUC0-inf )
31.5 h.ng/ml
Interval 16.7 to 61.6
30.5 h.ng/ml
Interval 16.6 to 49.4

SECONDARY outcome

Timeframe: Day -1 to Day 20 and Follow-up (5-9 days post-treatment)

Population: All participants analyzed

Safety and tolerability were measured via clinical laboratory evaluations, vital signs, 12-lead ECG, or physical examination

Outcome measures

Outcome measures
Measure
Treatment A: Midazolam
n=17 Participants
All subjects will receive a single oral dose of 2 mg Midazolam on Day 1 Midazolam: Midazolam
Treatment B and C: Inarigivir
n=15 Participants
B: All subjects will receive a single oral dose of 400 mg Inarigivir on Day 3 C: All subjects receive oral dose of 400 mg Inarigivir once daily from Day 6 to Day 18 Inarigivir: Inarigivir
Treatment D: Inarigivir With Midazolam
n=15 Participants
All subjects will receive a single oral dose of 400 mg Inarigivir coadministered with a single oral dose of 2 mg Midazolam on Day 19 Midazolam: Midazolam Inarigivir: Inarigivir
Treatment D: Inarigivir With Midazolam
n=15 Participants
All subjects will receive a single oral dose of 400 mg Inarigivir coadministered with a single oral dose of 2 mg Midazolam on Day 19 Midazolam: Midazolam Inarigivir: Inarigivir
Number of Participants With Clinical Relevant Clinical Laboratory, Vital Signs, 12-lead ECG, or Physical Examination
0 Participants
0 Participants
0 Participants
0 Participants

SECONDARY outcome

Timeframe: Day 3 and Day 6 to 19

Population: All subjects in treatment arms B and D who received inarigivir and had sufficient concentration-time data to reliably estimate PK parameters

A summary of the main plasma PK parameters for inarigivir, Rp-SB 9000, Sp-SB 9000, and Rp-SB 9000 and Sp-SB 9000 combined after a single oral dose of 400 mg inarigivir on Day 3 (Treatment B) and after the last of 14 consecutive daily oral doses of 400 mg inarigivir from Day 6 to 19 (Treatment D)

Outcome measures

Outcome measures
Measure
Treatment A: Midazolam
n=17 Participants
All subjects will receive a single oral dose of 2 mg Midazolam on Day 1 Midazolam: Midazolam
Treatment B and C: Inarigivir
n=15 Participants
B: All subjects will receive a single oral dose of 400 mg Inarigivir on Day 3 C: All subjects receive oral dose of 400 mg Inarigivir once daily from Day 6 to Day 18 Inarigivir: Inarigivir
Treatment D: Inarigivir With Midazolam
All subjects will receive a single oral dose of 400 mg Inarigivir coadministered with a single oral dose of 2 mg Midazolam on Day 19 Midazolam: Midazolam Inarigivir: Inarigivir
Treatment D: Inarigivir With Midazolam
All subjects will receive a single oral dose of 400 mg Inarigivir coadministered with a single oral dose of 2 mg Midazolam on Day 19 Midazolam: Midazolam Inarigivir: Inarigivir
PK of Inarigivir After Single and Multiple Oral Doses in Healthy Subjects (AUC)
Day 3 AUC0-t (h.ng/mL)
0.914 h.ng/ml
Interval 0.129 to 3.23
PK of Inarigivir After Single and Multiple Oral Doses in Healthy Subjects (AUC)
Day 3AUC0-inf (h.ng/mL)
1.19 h.ng/ml
Interval 0.609 to 2.44
PK of Inarigivir After Single and Multiple Oral Doses in Healthy Subjects (AUC)
Day 19 AUC0-t (h.ng/mL)
0.951 h.ng/ml
Interval 0.238 to 2.26

SECONDARY outcome

Timeframe: Day 3 and Day 6 to 19

Population: All subjects in treatment arms B and D who received inarigivir and had sufficient concentration-time data to reliably estimate PK parameters

A summary of the main plasma PK parameters for inarigivir, Rp-SB 9000, Sp-SB 9000, and Rp-SB 9000 and Sp-SB 9000 combined after a single oral dose of 400 mg inarigivir on Day 3 (Treatment B) and after the last of 14 consecutive daily oral doses of 400 mg inarigivir from Day 6 to 19 (Treatment D)

Outcome measures

Outcome measures
Measure
Treatment A: Midazolam
n=17 Participants
All subjects will receive a single oral dose of 2 mg Midazolam on Day 1 Midazolam: Midazolam
Treatment B and C: Inarigivir
n=15 Participants
B: All subjects will receive a single oral dose of 400 mg Inarigivir on Day 3 C: All subjects receive oral dose of 400 mg Inarigivir once daily from Day 6 to Day 18 Inarigivir: Inarigivir
Treatment D: Inarigivir With Midazolam
All subjects will receive a single oral dose of 400 mg Inarigivir coadministered with a single oral dose of 2 mg Midazolam on Day 19 Midazolam: Midazolam Inarigivir: Inarigivir
Treatment D: Inarigivir With Midazolam
All subjects will receive a single oral dose of 400 mg Inarigivir coadministered with a single oral dose of 2 mg Midazolam on Day 19 Midazolam: Midazolam Inarigivir: Inarigivir
PK of Inarigivir After Single and Multiple Oral Doses in Healthy Subjects (Cmax)
0.886 ng/mL
Interval 0.182 to 2.77
0.991 ng/mL
Interval 0.221 to 4.07

Adverse Events

Treatment A: Midazolam

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

Treatment B: Inarigivir

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

Treatment C: Inarigivir

Serious events: 0 serious events
Other events: 7 other events
Deaths: 0 deaths

Treatment D: Inarigivir With Midazolam

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
Treatment A: Midazolam
n=17 participants at risk
All subjects will receive a single oral dose of 2 mg Midazolam on Day 1 Midazolam: Midazolam
Treatment B: Inarigivir
n=17 participants at risk
B: All subjects will receive a single oral dose of 400 mg Inarigivir on Day 3 Inarigivir: Inarigivir
Treatment C: Inarigivir
n=17 participants at risk;n=15 participants at risk
C: All subjects receive oral dose of 400 mg Inarigivir once daily from Day 6 to Day 18 Inarigivir: Inarigivir
Treatment D: Inarigivir With Midazolam
n=15 participants at risk
All subjects will receive a single oral dose of 400 mg Inarigivir coadministered with a single oral dose of 2 mg Midazolam on Day 19 Midazolam: Midazolam Inarigivir: Inarigivir
General disorders
Fatigue
5.9%
1/17 • 20 days
11.8%
2/17 • 20 days
0.00%
0/17 • 20 days
0.00%
0/15 • 20 days
General disorders
Influenza Like Illness
0.00%
0/17 • 20 days
0.00%
0/17 • 20 days
5.9%
1/17 • 20 days
0.00%
0/15 • 20 days
General disorders
Sensation of Foreign Body
0.00%
0/17 • 20 days
0.00%
0/17 • 20 days
5.9%
1/17 • 20 days
0.00%
0/15 • 20 days
Gastrointestinal disorders
Aphthous Ulcer
0.00%
0/17 • 20 days
5.9%
1/17 • 20 days
0.00%
0/17 • 20 days
0.00%
0/15 • 20 days
Gastrointestinal disorders
Diarrhea
5.9%
1/17 • 20 days
0.00%
0/17 • 20 days
5.9%
1/17 • 20 days
0.00%
0/15 • 20 days
Gastrointestinal disorders
Dry Mouth
0.00%
0/17 • 20 days
0.00%
0/17 • 20 days
5.9%
1/17 • 20 days
0.00%
0/15 • 20 days
Gastrointestinal disorders
Flatulence
0.00%
0/17 • 20 days
0.00%
0/17 • 20 days
5.9%
1/17 • 20 days
0.00%
0/15 • 20 days
Musculoskeletal and connective tissue disorders
Muscle spasms
5.9%
1/17 • 20 days
0.00%
0/17 • 20 days
0.00%
0/17 • 20 days
6.7%
1/15 • 20 days
Respiratory, thoracic and mediastinal disorders
Laryngeal Discomfort
5.9%
1/17 • 20 days
0.00%
0/17 • 20 days
0.00%
0/17 • 20 days
0.00%
0/15 • 20 days
Skin and subcutaneous tissue disorders
Pruritus
5.9%
1/17 • 20 days
0.00%
0/17 • 20 days
0.00%
0/17 • 20 days
0.00%
0/15 • 20 days
Nervous system disorders
Headache
0.00%
0/17 • 20 days
5.9%
1/17 • 20 days
5.9%
1/17 • Number of events 2 • 20 days
0.00%
0/15 • 20 days
Eye disorders
Dry eye
0.00%
0/17 • 20 days
0.00%
0/17 • 20 days
5.9%
1/17 • 20 days
0.00%
0/15 • 20 days
Musculoskeletal and connective tissue disorders
Musculoskeletal stiffness
0.00%
0/17 • 20 days
0.00%
0/17 • 20 days
5.9%
1/17 • 20 days
0.00%
0/15 • 20 days
Psychiatric disorders
Affect Lability
0.00%
0/17 • 20 days
0.00%
0/17 • 20 days
0.00%
0/17 • 20 days
6.7%
1/15 • 20 days
Renal and urinary disorders
Pollakiuria
0.00%
0/17 • 20 days
0.00%
0/17 • 20 days
5.9%
1/17 • 20 days
0.00%
0/15 • 20 days
Skin and subcutaneous tissue disorders
Acne
0.00%
0/17 • 20 days
0.00%
0/17 • 20 days
5.9%
1/17 • 20 days
0.00%
0/15 • 20 days
Skin and subcutaneous tissue disorders
Skin Fissures
0.00%
0/17 • 20 days
0.00%
0/17 • 20 days
5.9%
1/17 • 20 days
0.00%
0/15 • 20 days
Infections and infestations
Nasopharyngitis
0.00%
0/17 • 20 days
0.00%
0/17 • 20 days
11.8%
2/17 • 20 days
0.00%
0/15 • 20 days

Additional Information

Don Mitchell, Vice President, Operations & Corporate Development

Spring Bank Pharmaceuticals, Inc.

Phone: (508) 689-9737

Results disclosure agreements

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