Trial Outcomes & Findings for A Study of Silmitasertib (CX-4945) in Healthy Subject (NCT NCT05817708)

NCT ID: NCT05817708

Last Updated: 2025-01-27

Results Overview

Evaluate the number adverse events occurring from Day 1 to Day 5 as characterized by type, frequency, severity \[as graded by the National Cancer Institute Common Terminology Criteria for Adverse Events \[CTCAE\] version 5.0\], timing, seriousness, and relationship to study therapy after administration of 200mg QD, 200mg BID and 400mg BID for continuously 5 days to healthy subjects.

Recruitment status

COMPLETED

Study phase

PHASE1

Target enrollment

30 participants

Primary outcome timeframe

Day 1 to Day 5

Results posted on

2025-01-27

Participant Flow

Participants were recruited from healthy subjects at Taipei Medical University Hospital between November 2022 and December 2022. The first participant was enrolled on November 28th, 2022, and the last was enrolled in 28th December 2022.

30 enrolled participants met inclusion criteria and were randomized.

Participant milestones

Participant milestones
Measure
CX-4945 200mg QD
CX-4945 will be administered at 200mg QD for continuously 5 days. CX-4945: Drug: CX-4945 Silmitasertib, orally, once or twice daily for 5 days. Other Name: Silmitasertib
CX-4945 200mg BID
CX-4945 will be administered at 200mg BID for continuously 5 days. CX-4945: Drug: CX-4945 Silmitasertib, orally, once or twice daily for 5 days. Other Name: Silmitasertib
CX-4945 400mg BID
CX-4945 will be administered at 400mg BID for continuously 5 days. CX-4945: Drug: CX-4945 Silmitasertib, orally, once or twice daily for 5 days. Other Name: Silmitasertib
Overall Study
STARTED
10
10
10
Overall Study
COMPLETED
10
10
10
Overall Study
NOT COMPLETED
0
0
0

Reasons for withdrawal

Withdrawal data not reported

Baseline Characteristics

A Study of Silmitasertib (CX-4945) in Healthy Subject

Baseline characteristics by cohort

Baseline characteristics by cohort
Measure
CX-4945 200mg QD
n=10 Participants
CX-4945 was administered at 200mg QD for continuously 5 days.
CX-4945 200mg BID
n=10 Participants
CX-4945 was administered at 200mg BID for continuously 5 days.
CX-4945 400mg BID
n=10 Participants
CX-4945 was administered at 400mg BID for continuously 5 days.
Total
n=30 Participants
Total of all reporting groups
Age, Continuous
33.5 years
n=99 Participants
32 years
n=107 Participants
37.5 years
n=206 Participants
33.5 years
n=7 Participants
Sex: Female, Male
Female
5 Participants
n=99 Participants
3 Participants
n=107 Participants
2 Participants
n=206 Participants
10 Participants
n=7 Participants
Sex: Female, Male
Male
5 Participants
n=99 Participants
7 Participants
n=107 Participants
8 Participants
n=206 Participants
20 Participants
n=7 Participants
Race (NIH/OMB)
American Indian or Alaska Native
0 Participants
n=99 Participants
0 Participants
n=107 Participants
0 Participants
n=206 Participants
0 Participants
n=7 Participants
Race (NIH/OMB)
Asian
10 Participants
n=99 Participants
10 Participants
n=107 Participants
10 Participants
n=206 Participants
30 Participants
n=7 Participants
Race (NIH/OMB)
Native Hawaiian or Other Pacific Islander
0 Participants
n=99 Participants
0 Participants
n=107 Participants
0 Participants
n=206 Participants
0 Participants
n=7 Participants
Race (NIH/OMB)
Black or African American
0 Participants
n=99 Participants
0 Participants
n=107 Participants
0 Participants
n=206 Participants
0 Participants
n=7 Participants
Race (NIH/OMB)
White
0 Participants
n=99 Participants
0 Participants
n=107 Participants
0 Participants
n=206 Participants
0 Participants
n=7 Participants
Race (NIH/OMB)
More than one race
0 Participants
n=99 Participants
0 Participants
n=107 Participants
0 Participants
n=206 Participants
0 Participants
n=7 Participants
Race (NIH/OMB)
Unknown or Not Reported
0 Participants
n=99 Participants
0 Participants
n=107 Participants
0 Participants
n=206 Participants
0 Participants
n=7 Participants
Region of Enrollment
Taiwan
10 participants
n=99 Participants
10 participants
n=107 Participants
10 participants
n=206 Participants
10 participants
n=7 Participants

PRIMARY outcome

Timeframe: Day 1 to Day 5

Population: Treatment-Emergent Adverse Events

Evaluate the number adverse events occurring from Day 1 to Day 5 as characterized by type, frequency, severity \[as graded by the National Cancer Institute Common Terminology Criteria for Adverse Events \[CTCAE\] version 5.0\], timing, seriousness, and relationship to study therapy after administration of 200mg QD, 200mg BID and 400mg BID for continuously 5 days to healthy subjects.

Outcome measures

Outcome measures
Measure
CX-4945 200mg QD
n=10 Participants
CX-4945 will be administered at 200mg QD for continuously 5 days. CX-4945: Drug: CX-4945 Silmitasertib, orally, once or twice daily for 5 days. Other Name: Silmitasertib
CX-4945 200mg BID
n=10 Participants
CX-4945 will be administered at 200mg BID for continuously 5 days. CX-4945: Drug: CX-4945 Silmitasertib, orally, once or twice daily for 5 days. Other Name: Silmitasertib
CX-4945 400mg BID
n=10 Participants
CX-4945 will be administered at 400mg BID for continuously 5 days. CX-4945: Drug: CX-4945 Silmitasertib, orally, once or twice daily for 5 days. Other Name: Silmitasertib
Number of Participants With Treatment-emergent Adverse Events (TEAT)
1 Participants
3 Participants
7 Participants

SECONDARY outcome

Timeframe: Day 1 to Day 6

Population: Day 6 (EOT) - Change from Baseline

Changes ALP in blood chemistry assessment from Day 1(Baseline) to Day 6 morning.

Outcome measures

Outcome measures
Measure
CX-4945 200mg QD
n=10 Participants
CX-4945 will be administered at 200mg QD for continuously 5 days. CX-4945: Drug: CX-4945 Silmitasertib, orally, once or twice daily for 5 days. Other Name: Silmitasertib
CX-4945 200mg BID
n=10 Participants
CX-4945 will be administered at 200mg BID for continuously 5 days. CX-4945: Drug: CX-4945 Silmitasertib, orally, once or twice daily for 5 days. Other Name: Silmitasertib
CX-4945 400mg BID
n=10 Participants
CX-4945 will be administered at 400mg BID for continuously 5 days. CX-4945: Drug: CX-4945 Silmitasertib, orally, once or twice daily for 5 days. Other Name: Silmitasertib
Evaluate Changes in Blood Chemistry.
-2.1 U/L
Standard Deviation 5.78
-0.3 U/L
Standard Deviation 6.62
3.4 U/L
Standard Deviation 2.84

SECONDARY outcome

Timeframe: Day 1 to Day 6

Population: Day 6 (EOT) - Change from Baseline

Changes AST in blood chemistry assessment from Day 1(Baseline) to Day 6 morning.

Outcome measures

Outcome measures
Measure
CX-4945 200mg QD
n=10 Participants
CX-4945 will be administered at 200mg QD for continuously 5 days. CX-4945: Drug: CX-4945 Silmitasertib, orally, once or twice daily for 5 days. Other Name: Silmitasertib
CX-4945 200mg BID
n=10 Participants
CX-4945 will be administered at 200mg BID for continuously 5 days. CX-4945: Drug: CX-4945 Silmitasertib, orally, once or twice daily for 5 days. Other Name: Silmitasertib
CX-4945 400mg BID
n=10 Participants
CX-4945 will be administered at 400mg BID for continuously 5 days. CX-4945: Drug: CX-4945 Silmitasertib, orally, once or twice daily for 5 days. Other Name: Silmitasertib
Evaluate Changes in Blood Chemistry.
-3.9 U/L
Standard Deviation 5.11
-2.4 U/L
Standard Deviation 3.72
0.1 U/L
Standard Deviation 3.35

SECONDARY outcome

Timeframe: Day 1 to Day 6

Population: Day 6 (EOT) - Change from Baseline

Changes ALT in blood chemistry assessment from Day 1(Baseline) to Day 6 morning.

Outcome measures

Outcome measures
Measure
CX-4945 200mg QD
n=10 Participants
CX-4945 will be administered at 200mg QD for continuously 5 days. CX-4945: Drug: CX-4945 Silmitasertib, orally, once or twice daily for 5 days. Other Name: Silmitasertib
CX-4945 200mg BID
n=10 Participants
CX-4945 will be administered at 200mg BID for continuously 5 days. CX-4945: Drug: CX-4945 Silmitasertib, orally, once or twice daily for 5 days. Other Name: Silmitasertib
CX-4945 400mg BID
n=10 Participants
CX-4945 will be administered at 400mg BID for continuously 5 days. CX-4945: Drug: CX-4945 Silmitasertib, orally, once or twice daily for 5 days. Other Name: Silmitasertib
To Evaluate Changes in Blood Chemistry.
-4.0 U/L
Standard Deviation 6.15
-1.4 U/L
Standard Deviation 5.19
0.9 U/L
Standard Deviation 4.77

SECONDARY outcome

Timeframe: Day 1 to Day 6

Population: Day 6 (EOT) - Change from Baseline

Changes LDH in blood chemistry assessment from Day 1(Baseline) to Day 6 morning.

Outcome measures

Outcome measures
Measure
CX-4945 200mg QD
n=10 Participants
CX-4945 will be administered at 200mg QD for continuously 5 days. CX-4945: Drug: CX-4945 Silmitasertib, orally, once or twice daily for 5 days. Other Name: Silmitasertib
CX-4945 200mg BID
n=10 Participants
CX-4945 will be administered at 200mg BID for continuously 5 days. CX-4945: Drug: CX-4945 Silmitasertib, orally, once or twice daily for 5 days. Other Name: Silmitasertib
CX-4945 400mg BID
n=10 Participants
CX-4945 will be administered at 400mg BID for continuously 5 days. CX-4945: Drug: CX-4945 Silmitasertib, orally, once or twice daily for 5 days. Other Name: Silmitasertib
To Evaluate Changes in Blood Chemistry.
-17.0 U/L
Standard Deviation 17.17
-26.2 U/L
Standard Deviation 10.75
-28.2 U/L
Standard Deviation 14.33

SECONDARY outcome

Timeframe: Day 1 to Day 6

Population: Day 6 (EOT) - Change from Baseline

Changes CPK in blood chemistry assessment from Day 1(Baseline) to Day 6 morning.

Outcome measures

Outcome measures
Measure
CX-4945 200mg QD
n=10 Participants
CX-4945 will be administered at 200mg QD for continuously 5 days. CX-4945: Drug: CX-4945 Silmitasertib, orally, once or twice daily for 5 days. Other Name: Silmitasertib
CX-4945 200mg BID
n=10 Participants
CX-4945 will be administered at 200mg BID for continuously 5 days. CX-4945: Drug: CX-4945 Silmitasertib, orally, once or twice daily for 5 days. Other Name: Silmitasertib
CX-4945 400mg BID
n=10 Participants
CX-4945 will be administered at 400mg BID for continuously 5 days. CX-4945: Drug: CX-4945 Silmitasertib, orally, once or twice daily for 5 days. Other Name: Silmitasertib
To Evaluate Changes in Blood Chemistry.
-24.3 U/L
Standard Deviation 19.35
-54.0 U/L
Standard Deviation 63.71
-65.1 U/L
Standard Deviation 71.37

SECONDARY outcome

Timeframe: Day 1 to Day 6

Population: Day 6 (EOT) - Change from Baseline

Changes CRP in blood chemistry assessment from Day 1(Baseline) to Day 6 morning.

Outcome measures

Outcome measures
Measure
CX-4945 200mg QD
n=10 Participants
CX-4945 will be administered at 200mg QD for continuously 5 days. CX-4945: Drug: CX-4945 Silmitasertib, orally, once or twice daily for 5 days. Other Name: Silmitasertib
CX-4945 200mg BID
n=10 Participants
CX-4945 will be administered at 200mg BID for continuously 5 days. CX-4945: Drug: CX-4945 Silmitasertib, orally, once or twice daily for 5 days. Other Name: Silmitasertib
CX-4945 400mg BID
n=10 Participants
CX-4945 will be administered at 400mg BID for continuously 5 days. CX-4945: Drug: CX-4945 Silmitasertib, orally, once or twice daily for 5 days. Other Name: Silmitasertib
To Evaluate Changes in Blood Chemistry.
0.003 mg/dL
Standard Deviation 0.1341
-0.071 mg/dL
Standard Deviation 0.2497
0.002 mg/dL
Standard Deviation 0.0447

SECONDARY outcome

Timeframe: Screening, Day 1, Day 3, Day 5, and Day 6

Population: \[Not Specified\]

ECG assessments were done during Screening, Day 1, Day 3, Day 5, and Day 6. A 12-lead ECG was performed at baseline (Day1), Day 3, Day 5, and Day 6 and categorized as normal, abnormal and not clinically significant (abnormal NCS) or abnormal and clinically significant (abnormal CS).

Outcome measures

Outcome measures
Measure
CX-4945 200mg QD
n=10 Participants
CX-4945 will be administered at 200mg QD for continuously 5 days. CX-4945: Drug: CX-4945 Silmitasertib, orally, once or twice daily for 5 days. Other Name: Silmitasertib
CX-4945 200mg BID
n=10 Participants
CX-4945 will be administered at 200mg BID for continuously 5 days. CX-4945: Drug: CX-4945 Silmitasertib, orally, once or twice daily for 5 days. Other Name: Silmitasertib
CX-4945 400mg BID
n=10 Participants
CX-4945 will be administered at 400mg BID for continuously 5 days. CX-4945: Drug: CX-4945 Silmitasertib, orally, once or twice daily for 5 days. Other Name: Silmitasertib
Number of Participants Evaluated as Having Abnormalities (CS or NCS) in Their ECG
Screening
7 Participants
6 Participants
6 Participants
Number of Participants Evaluated as Having Abnormalities (CS or NCS) in Their ECG
Day 1 (Baseline)
3 Participants
4 Participants
8 Participants
Number of Participants Evaluated as Having Abnormalities (CS or NCS) in Their ECG
Day 3
7 Participants
9 Participants
6 Participants
Number of Participants Evaluated as Having Abnormalities (CS or NCS) in Their ECG
Day 5
5 Participants
6 Participants
7 Participants
Number of Participants Evaluated as Having Abnormalities (CS or NCS) in Their ECG
Day 6
6 Participants
6 Participants
6 Participants

Adverse Events

CX-4945 200mg BID

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

CX-4945 200mg QD

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

CX-4945 400mg BID

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

Serious adverse events

Adverse event data not reported

Other adverse events

Other adverse events
Measure
CX-4945 200mg BID
n=10 participants at risk
CX-4945 will be administered at 200mg BID for continuously 5 days. CX-4945: Drug: CX-4945 Silmitasertib, orally, once or twice daily for 5 days. Other Name: Silmitasertib
CX-4945 200mg QD
n=10 participants at risk
CX-4945 will be administered at 200mg QD for continuously 5 days. CX-4945: Drug: CX-4945 Silmitasertib, orally, once or twice daily for 5 days. Other Name: Silmitasertib
CX-4945 400mg BID
n=10 participants at risk
CX-4945 will be administered at 400mg BID for continuously 5 days. CX-4945: Drug: CX-4945 Silmitasertib, orally, once or twice daily for 5 days. Other Name: Silmitasertib
Gastrointestinal disorders
Dirrhoea
0.00%
0/10 • from Day 1 to Day 6
Adverse Events experienced by patients from randomization(Day 1) to Day 6 (including vital signs, physical findings, clinical laboratory, and ECG results) as characterized by type, frequency, severity (as graded by Common Terminology Criteria for Adverse Events (CTCAE version 5.0), timing, seriousness, and relationship to study therapy.
10.0%
1/10 • Number of events 1 • from Day 1 to Day 6
Adverse Events experienced by patients from randomization(Day 1) to Day 6 (including vital signs, physical findings, clinical laboratory, and ECG results) as characterized by type, frequency, severity (as graded by Common Terminology Criteria for Adverse Events (CTCAE version 5.0), timing, seriousness, and relationship to study therapy.
60.0%
6/10 • Number of events 6 • from Day 1 to Day 6
Adverse Events experienced by patients from randomization(Day 1) to Day 6 (including vital signs, physical findings, clinical laboratory, and ECG results) as characterized by type, frequency, severity (as graded by Common Terminology Criteria for Adverse Events (CTCAE version 5.0), timing, seriousness, and relationship to study therapy.
Gastrointestinal disorders
Nausea
0.00%
0/10 • from Day 1 to Day 6
Adverse Events experienced by patients from randomization(Day 1) to Day 6 (including vital signs, physical findings, clinical laboratory, and ECG results) as characterized by type, frequency, severity (as graded by Common Terminology Criteria for Adverse Events (CTCAE version 5.0), timing, seriousness, and relationship to study therapy.
0.00%
0/10 • from Day 1 to Day 6
Adverse Events experienced by patients from randomization(Day 1) to Day 6 (including vital signs, physical findings, clinical laboratory, and ECG results) as characterized by type, frequency, severity (as graded by Common Terminology Criteria for Adverse Events (CTCAE version 5.0), timing, seriousness, and relationship to study therapy.
10.0%
1/10 • Number of events 1 • from Day 1 to Day 6
Adverse Events experienced by patients from randomization(Day 1) to Day 6 (including vital signs, physical findings, clinical laboratory, and ECG results) as characterized by type, frequency, severity (as graded by Common Terminology Criteria for Adverse Events (CTCAE version 5.0), timing, seriousness, and relationship to study therapy.
Investigations
Alanine aminotransferase increased
10.0%
1/10 • Number of events 3 • from Day 1 to Day 6
Adverse Events experienced by patients from randomization(Day 1) to Day 6 (including vital signs, physical findings, clinical laboratory, and ECG results) as characterized by type, frequency, severity (as graded by Common Terminology Criteria for Adverse Events (CTCAE version 5.0), timing, seriousness, and relationship to study therapy.
0.00%
0/10 • from Day 1 to Day 6
Adverse Events experienced by patients from randomization(Day 1) to Day 6 (including vital signs, physical findings, clinical laboratory, and ECG results) as characterized by type, frequency, severity (as graded by Common Terminology Criteria for Adverse Events (CTCAE version 5.0), timing, seriousness, and relationship to study therapy.
0.00%
0/10 • from Day 1 to Day 6
Adverse Events experienced by patients from randomization(Day 1) to Day 6 (including vital signs, physical findings, clinical laboratory, and ECG results) as characterized by type, frequency, severity (as graded by Common Terminology Criteria for Adverse Events (CTCAE version 5.0), timing, seriousness, and relationship to study therapy.
Investigations
Aspartate aminotransferase increased
10.0%
1/10 • Number of events 1 • from Day 1 to Day 6
Adverse Events experienced by patients from randomization(Day 1) to Day 6 (including vital signs, physical findings, clinical laboratory, and ECG results) as characterized by type, frequency, severity (as graded by Common Terminology Criteria for Adverse Events (CTCAE version 5.0), timing, seriousness, and relationship to study therapy.
0.00%
0/10 • from Day 1 to Day 6
Adverse Events experienced by patients from randomization(Day 1) to Day 6 (including vital signs, physical findings, clinical laboratory, and ECG results) as characterized by type, frequency, severity (as graded by Common Terminology Criteria for Adverse Events (CTCAE version 5.0), timing, seriousness, and relationship to study therapy.
0.00%
0/10 • from Day 1 to Day 6
Adverse Events experienced by patients from randomization(Day 1) to Day 6 (including vital signs, physical findings, clinical laboratory, and ECG results) as characterized by type, frequency, severity (as graded by Common Terminology Criteria for Adverse Events (CTCAE version 5.0), timing, seriousness, and relationship to study therapy.
Investigations
Blood creatine phosphokinase increased
0.00%
0/10 • from Day 1 to Day 6
Adverse Events experienced by patients from randomization(Day 1) to Day 6 (including vital signs, physical findings, clinical laboratory, and ECG results) as characterized by type, frequency, severity (as graded by Common Terminology Criteria for Adverse Events (CTCAE version 5.0), timing, seriousness, and relationship to study therapy.
10.0%
1/10 • Number of events 1 • from Day 1 to Day 6
Adverse Events experienced by patients from randomization(Day 1) to Day 6 (including vital signs, physical findings, clinical laboratory, and ECG results) as characterized by type, frequency, severity (as graded by Common Terminology Criteria for Adverse Events (CTCAE version 5.0), timing, seriousness, and relationship to study therapy.
10.0%
1/10 • Number of events 1 • from Day 1 to Day 6
Adverse Events experienced by patients from randomization(Day 1) to Day 6 (including vital signs, physical findings, clinical laboratory, and ECG results) as characterized by type, frequency, severity (as graded by Common Terminology Criteria for Adverse Events (CTCAE version 5.0), timing, seriousness, and relationship to study therapy.
Investigations
C-reactive protein abnormal
0.00%
0/10 • from Day 1 to Day 6
Adverse Events experienced by patients from randomization(Day 1) to Day 6 (including vital signs, physical findings, clinical laboratory, and ECG results) as characterized by type, frequency, severity (as graded by Common Terminology Criteria for Adverse Events (CTCAE version 5.0), timing, seriousness, and relationship to study therapy.
20.0%
2/10 • Number of events 2 • from Day 1 to Day 6
Adverse Events experienced by patients from randomization(Day 1) to Day 6 (including vital signs, physical findings, clinical laboratory, and ECG results) as characterized by type, frequency, severity (as graded by Common Terminology Criteria for Adverse Events (CTCAE version 5.0), timing, seriousness, and relationship to study therapy.
0.00%
0/10 • from Day 1 to Day 6
Adverse Events experienced by patients from randomization(Day 1) to Day 6 (including vital signs, physical findings, clinical laboratory, and ECG results) as characterized by type, frequency, severity (as graded by Common Terminology Criteria for Adverse Events (CTCAE version 5.0), timing, seriousness, and relationship to study therapy.
Investigations
Gamma-glutamyltransferase increased
10.0%
1/10 • Number of events 1 • from Day 1 to Day 6
Adverse Events experienced by patients from randomization(Day 1) to Day 6 (including vital signs, physical findings, clinical laboratory, and ECG results) as characterized by type, frequency, severity (as graded by Common Terminology Criteria for Adverse Events (CTCAE version 5.0), timing, seriousness, and relationship to study therapy.
0.00%
0/10 • from Day 1 to Day 6
Adverse Events experienced by patients from randomization(Day 1) to Day 6 (including vital signs, physical findings, clinical laboratory, and ECG results) as characterized by type, frequency, severity (as graded by Common Terminology Criteria for Adverse Events (CTCAE version 5.0), timing, seriousness, and relationship to study therapy.
0.00%
0/10 • from Day 1 to Day 6
Adverse Events experienced by patients from randomization(Day 1) to Day 6 (including vital signs, physical findings, clinical laboratory, and ECG results) as characterized by type, frequency, severity (as graded by Common Terminology Criteria for Adverse Events (CTCAE version 5.0), timing, seriousness, and relationship to study therapy.
Metabolism and nutrition disorders
Hypertriglyceridaemia
0.00%
0/10 • from Day 1 to Day 6
Adverse Events experienced by patients from randomization(Day 1) to Day 6 (including vital signs, physical findings, clinical laboratory, and ECG results) as characterized by type, frequency, severity (as graded by Common Terminology Criteria for Adverse Events (CTCAE version 5.0), timing, seriousness, and relationship to study therapy.
0.00%
0/10 • from Day 1 to Day 6
Adverse Events experienced by patients from randomization(Day 1) to Day 6 (including vital signs, physical findings, clinical laboratory, and ECG results) as characterized by type, frequency, severity (as graded by Common Terminology Criteria for Adverse Events (CTCAE version 5.0), timing, seriousness, and relationship to study therapy.
10.0%
1/10 • Number of events 1 • from Day 1 to Day 6
Adverse Events experienced by patients from randomization(Day 1) to Day 6 (including vital signs, physical findings, clinical laboratory, and ECG results) as characterized by type, frequency, severity (as graded by Common Terminology Criteria for Adverse Events (CTCAE version 5.0), timing, seriousness, and relationship to study therapy.

Additional Information

Gina Huang

Senhwa Biosciences, Inc.

Phone: +886-2-89119856

Results disclosure agreements

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

Restriction type: LTE60