Trial Outcomes & Findings for Bioavailability and Food Effect Study of Cenobamate as an Oral Suspension and Tablet (NCT NCT04690751)

NCT ID: NCT04690751

Last Updated: 2024-08-12

Results Overview

Maximum observed plasma concentration of cenobamate

Recruitment status

COMPLETED

Study phase

PHASE1

Target enrollment

28 participants

Primary outcome timeframe

120, 192, 264, 360, 456, hours post-dose

Results posted on

2024-08-12

Participant Flow

Participant milestones

Participant milestones
Measure
Sequence 1
Treatment ABC, with 21 day washout periods between each dose. Treatment A: Oral Dose of cenobamate administered as a single 200 mg tablet under fasted conditions Treatment B: Oral Dose of cenobamate administered as a single 200 mg/20 mL suspension under fasted conditions Treatment C: Oral Dose of cenobamate administered at a single 200 mg/20 mL suspension under fed conditions
Sequence 2
Treatment BCA, with 21 day washout periods between each dose. Treatment A: Oral Dose of cenobamate administered as a single 200 mg tablet under fasted conditions Treatment B: Oral Dose of cenobamate administered as a single 200 mg/20 mL suspension under fasted conditions Treatment C: Oral Dose of cenobamate administered at a single 200 mg/20 mL suspension under fed conditions
Sequence 3
Treatment CAB, with 21 day washout periods between each dose. Treatment A: Oral Dose of cenobamate administered as a single 200 mg tablet under fasted conditions Treatment B: Oral Dose of cenobamate administered as a single 200 mg/20 mL suspension under fasted conditions Treatment C: Oral Dose of cenobamate administered at a single 200 mg/20 mL suspension under fed conditions
Sequence 4
Treatment ACB, with 21 day washout periods between each dose. Treatment A: Oral Dose of cenobamate administered as a single 200 mg tablet under fasted conditions Treatment B: Oral Dose of cenobamate administered as a single 200 mg/20 mL suspension under fasted conditions Treatment C: Oral Dose of cenobamate administered at a single 200 mg/20 mL suspension under fed conditions
Sequence 5
Treatment BAC, with 21 day washout periods between each dose. Treatment A: Oral Dose of cenobamate administered as a single 200 mg tablet under fasted conditions Treatment B: Oral Dose of cenobamate administered as a single 200 mg/20 mL suspension under fasted conditions Treatment C: Oral Dose of cenobamate administered at a single 200 mg/20 mL suspension under fed conditions
Sequence 6
Treatment CBA, with 21 day washout periods between each dose. Treatment A: Oral Dose of cenobamate administered as a single 200 mg tablet under fasted conditions Treatment B: Oral Dose of cenobamate administered as a single 200 mg/20 mL suspension under fasted conditions Treatment C: Oral Dose of cenobamate administered at a single 200 mg/20 mL suspension under fed conditions
Overall Study
STARTED
4
5
5
4
6
4
Overall Study
COMPLETED
4
4
4
3
3
4
Overall Study
NOT COMPLETED
0
1
1
1
3
0

Reasons for withdrawal

Reasons for withdrawal
Measure
Sequence 1
Treatment ABC, with 21 day washout periods between each dose. Treatment A: Oral Dose of cenobamate administered as a single 200 mg tablet under fasted conditions Treatment B: Oral Dose of cenobamate administered as a single 200 mg/20 mL suspension under fasted conditions Treatment C: Oral Dose of cenobamate administered at a single 200 mg/20 mL suspension under fed conditions
Sequence 2
Treatment BCA, with 21 day washout periods between each dose. Treatment A: Oral Dose of cenobamate administered as a single 200 mg tablet under fasted conditions Treatment B: Oral Dose of cenobamate administered as a single 200 mg/20 mL suspension under fasted conditions Treatment C: Oral Dose of cenobamate administered at a single 200 mg/20 mL suspension under fed conditions
Sequence 3
Treatment CAB, with 21 day washout periods between each dose. Treatment A: Oral Dose of cenobamate administered as a single 200 mg tablet under fasted conditions Treatment B: Oral Dose of cenobamate administered as a single 200 mg/20 mL suspension under fasted conditions Treatment C: Oral Dose of cenobamate administered at a single 200 mg/20 mL suspension under fed conditions
Sequence 4
Treatment ACB, with 21 day washout periods between each dose. Treatment A: Oral Dose of cenobamate administered as a single 200 mg tablet under fasted conditions Treatment B: Oral Dose of cenobamate administered as a single 200 mg/20 mL suspension under fasted conditions Treatment C: Oral Dose of cenobamate administered at a single 200 mg/20 mL suspension under fed conditions
Sequence 5
Treatment BAC, with 21 day washout periods between each dose. Treatment A: Oral Dose of cenobamate administered as a single 200 mg tablet under fasted conditions Treatment B: Oral Dose of cenobamate administered as a single 200 mg/20 mL suspension under fasted conditions Treatment C: Oral Dose of cenobamate administered at a single 200 mg/20 mL suspension under fed conditions
Sequence 6
Treatment CBA, with 21 day washout periods between each dose. Treatment A: Oral Dose of cenobamate administered as a single 200 mg tablet under fasted conditions Treatment B: Oral Dose of cenobamate administered as a single 200 mg/20 mL suspension under fasted conditions Treatment C: Oral Dose of cenobamate administered at a single 200 mg/20 mL suspension under fed conditions
Overall Study
Protocol Violation
0
1
0
1
2
0
Overall Study
Adverse Event
0
0
1
0
0
0
Overall Study
Positive urine drug screen test
0
0
0
0
1
0

Baseline Characteristics

Bioavailability and Food Effect Study of Cenobamate as an Oral Suspension and Tablet

Baseline characteristics by cohort

Baseline characteristics by cohort
Measure
Sequence 1
n=4 Participants
Treatment ABC, with 21 day washout periods between each dose. Treatment A: cenobamate 200 mg oral tablet fasted Treatment B: cenobamate 200 mg/20 mL oral suspension fasted Treatment C: cenobamate 200 mg/20 mL oral suspension fed
Sequence 2
n=5 Participants
Treatment BCA, with 21 day washout periods between each dose. Treatment A: cenobamate 200 mg oral tablet fasted Treatment B: cenobamate 200 mg/20 mL oral suspension fasted Treatment C: cenobamate 200 mg/20 mL oral suspension fed
Sequence 3
n=5 Participants
Treatment CAB, with 21 day washout periods between each dose. Treatment A: cenobamate 200 mg oral tablet fasted Treatment B: cenobamate 200 mg/20 mL oral suspension fasted Treatment C: cenobamate 200 mg/20 mL oral suspension fed
Sequence 4
n=4 Participants
Treatment CBA, with 21 day washout periods between each dose. Treatment A: cenobamate 200 mg oral tablet fasted Treatment B: cenobamate 200 mg/20 mL oral suspension fasted Treatment C: cenobamate 200 mg/20 mL oral suspension fed
Sequence 5
n=6 Participants
Treatment ACB, with 21 day washout periods between each dose. Treatment A: cenobamate 200 mg oral tablet fasted Treatment B: cenobamate 200 mg/20 mL oral suspension fasted Treatment C: cenobamate 200 mg/20 mL oral suspension fed
Sequence 6
n=4 Participants
Treatment BAC, with 21 day washout periods between each dose. Treatment A: cenobamate 200 mg oral tablet fasted Treatment B: cenobamate 200 mg/20 mL oral suspension fasted Treatment C: cenobamate 200 mg/20 mL oral suspension fed
Total
n=28 Participants
Total of all reporting groups
Age, Continuous
28.0 years
STANDARD_DEVIATION 4.32 • n=5 Participants
35.6 years
STANDARD_DEVIATION 11.67 • n=7 Participants
30.6 years
STANDARD_DEVIATION 12.92 • n=5 Participants
29.5 years
STANDARD_DEVIATION 8.74 • n=4 Participants
28.5 years
STANDARD_DEVIATION 8.17 • n=21 Participants
31.0 years
STANDARD_DEVIATION 5.48 • n=8 Participants
30.6 years
STANDARD_DEVIATION 8.83 • n=8 Participants
Sex: Female, Male
Female
1 Participants
n=5 Participants
1 Participants
n=7 Participants
1 Participants
n=5 Participants
0 Participants
n=4 Participants
1 Participants
n=21 Participants
1 Participants
n=8 Participants
5 Participants
n=8 Participants
Sex: Female, Male
Male
3 Participants
n=5 Participants
4 Participants
n=7 Participants
4 Participants
n=5 Participants
4 Participants
n=4 Participants
5 Participants
n=21 Participants
3 Participants
n=8 Participants
23 Participants
n=8 Participants
Ethnicity (NIH/OMB)
Hispanic or Latino
1 Participants
n=5 Participants
2 Participants
n=7 Participants
0 Participants
n=5 Participants
1 Participants
n=4 Participants
1 Participants
n=21 Participants
2 Participants
n=8 Participants
7 Participants
n=8 Participants
Ethnicity (NIH/OMB)
Not Hispanic or Latino
3 Participants
n=5 Participants
3 Participants
n=7 Participants
5 Participants
n=5 Participants
3 Participants
n=4 Participants
5 Participants
n=21 Participants
2 Participants
n=8 Participants
21 Participants
n=8 Participants
Ethnicity (NIH/OMB)
Unknown or Not Reported
0 Participants
n=5 Participants
0 Participants
n=7 Participants
0 Participants
n=5 Participants
0 Participants
n=4 Participants
0 Participants
n=21 Participants
0 Participants
n=8 Participants
0 Participants
n=8 Participants
Race (NIH/OMB)
American Indian or Alaska Native
0 Participants
n=5 Participants
1 Participants
n=7 Participants
0 Participants
n=5 Participants
0 Participants
n=4 Participants
0 Participants
n=21 Participants
1 Participants
n=8 Participants
2 Participants
n=8 Participants
Race (NIH/OMB)
Asian
0 Participants
n=5 Participants
1 Participants
n=7 Participants
0 Participants
n=5 Participants
0 Participants
n=4 Participants
0 Participants
n=21 Participants
0 Participants
n=8 Participants
1 Participants
n=8 Participants
Race (NIH/OMB)
Native Hawaiian or Other Pacific Islander
0 Participants
n=5 Participants
0 Participants
n=7 Participants
0 Participants
n=5 Participants
0 Participants
n=4 Participants
0 Participants
n=21 Participants
0 Participants
n=8 Participants
0 Participants
n=8 Participants
Race (NIH/OMB)
Black or African American
0 Participants
n=5 Participants
1 Participants
n=7 Participants
0 Participants
n=5 Participants
1 Participants
n=4 Participants
0 Participants
n=21 Participants
0 Participants
n=8 Participants
2 Participants
n=8 Participants
Race (NIH/OMB)
White
4 Participants
n=5 Participants
2 Participants
n=7 Participants
5 Participants
n=5 Participants
3 Participants
n=4 Participants
6 Participants
n=21 Participants
3 Participants
n=8 Participants
23 Participants
n=8 Participants
Race (NIH/OMB)
More than one race
0 Participants
n=5 Participants
0 Participants
n=7 Participants
0 Participants
n=5 Participants
0 Participants
n=4 Participants
0 Participants
n=21 Participants
0 Participants
n=8 Participants
0 Participants
n=8 Participants
Race (NIH/OMB)
Unknown or Not Reported
0 Participants
n=5 Participants
0 Participants
n=7 Participants
0 Participants
n=5 Participants
0 Participants
n=4 Participants
0 Participants
n=21 Participants
0 Participants
n=8 Participants
0 Participants
n=8 Participants
Region of Enrollment
United States
4 participants
n=5 Participants
5 participants
n=7 Participants
5 participants
n=5 Participants
4 participants
n=4 Participants
6 participants
n=21 Participants
4 participants
n=8 Participants
28 participants
n=8 Participants
Weight
74.45 kg
STANDARD_DEVIATION 6.982 • n=5 Participants
73.30 kg
STANDARD_DEVIATION 10.458 • n=7 Participants
77.52 kg
STANDARD_DEVIATION 9.785 • n=5 Participants
83.38 kg
STANDARD_DEVIATION 10.779 • n=4 Participants
72.93 kg
STANDARD_DEVIATION 13.896 • n=21 Participants
77.93 kg
STANDARD_DEVIATION 13.178 • n=8 Participants
76.24 kg
STANDARD_DEVIATION 10.795 • n=8 Participants
Height
174.93 cm
STANDARD_DEVIATION 9.016 • n=5 Participants
173.36 cm
STANDARD_DEVIATION 8.993 • n=7 Participants
180.72 cm
STANDARD_DEVIATION 5.404 • n=5 Participants
182.00 cm
STANDARD_DEVIATION 0.469 • n=4 Participants
172.13 cm
STANDARD_DEVIATION 11.965 • n=21 Participants
174.60 cm
STANDARD_DEVIATION 13.879 • n=8 Participants
176.05 cm
STANDARD_DEVIATION 9.371 • n=8 Participants
Body Mass Index (BMI)
24.30 kg/m2
STANDARD_DEVIATION 1.128 • n=5 Participants
24.38 kg/m2
STANDARD_DEVIATION 3.047 • n=7 Participants
23.76 kg/m2
STANDARD_DEVIATION 2.919 • n=5 Participants
25.15 kg/m2
STANDARD_DEVIATION 3.360 • n=4 Participants
24.47 kg/m2
STANDARD_DEVIATION 3.133 • n=21 Participants
25.58 kg/m2
STANDARD_DEVIATION 3.336 • n=8 Participants
24.56 kg/m2
STANDARD_DEVIATION 2.726 • n=8 Participants

PRIMARY outcome

Timeframe: 120, 192, 264, 360, 456, hours post-dose

Maximum observed plasma concentration of cenobamate

Outcome measures

Outcome measures
Measure
Treatment A
n=25 Participants
Treatment A: Oral Dose of cenobamate administered as a single 200 mg tablet under fasted conditions
Treatment B
n=24 Participants
Treatment B: Oral Dose of cenobamate administered as a single 200 mg/20 mL suspension under fasted conditions
Treatment C
n=25 Participants
Treatment C: Oral Dose of cenobamate administered at a single 200 mg/20 mL suspension under fed conditions
Cmax
4.880 (μg/mL)
Interval 3.77 to 6.66
4.680 (μg/mL)
Interval 3.81 to 6.56
3.860 (μg/mL)
Interval 3.25 to 4.75

PRIMARY outcome

Timeframe: 120, 192, 264, 360, 456 hour post-dose

Time to reach Maximum observed plasma concentration of cenobamate

Outcome measures

Outcome measures
Measure
Treatment A
n=25 Participants
Treatment A: Oral Dose of cenobamate administered as a single 200 mg tablet under fasted conditions
Treatment B
n=24 Participants
Treatment B: Oral Dose of cenobamate administered as a single 200 mg/20 mL suspension under fasted conditions
Treatment C
n=25 Participants
Treatment C: Oral Dose of cenobamate administered at a single 200 mg/20 mL suspension under fed conditions
Tmax
3.000 (h)
Interval 0.5 to 5.0
0.750 (h)
Interval 0.5 to 3.5
5.000 (h)
Interval 3.0 to 10.0

PRIMARY outcome

Timeframe: 120, 192, 264, 360, 456 hour post-dose

AUC from the time of dosing to the time of the last measurable concentration of cenobamate

Outcome measures

Outcome measures
Measure
Treatment A
n=25 Participants
Treatment A: Oral Dose of cenobamate administered as a single 200 mg tablet under fasted conditions
Treatment B
n=24 Participants
Treatment B: Oral Dose of cenobamate administered as a single 200 mg/20 mL suspension under fasted conditions
Treatment C
n=25 Participants
Treatment C: Oral Dose of cenobamate administered at a single 200 mg/20 mL suspension under fed conditions
Area Under the Concentration Curve to Last Measurable Concentration
304.0 (μg•h/mL)
Interval 178.0 to 516.0
302.5 (μg•h/mL)
Interval 165.0 to 493.0
277.0 (μg•h/mL)
Interval 17.0 to 494.0

PRIMARY outcome

Timeframe: 120, 192, 264, 360, 456 hour post-dose

Area Under the Concentration Curve (AUC) from time 0 extrapolated to infinity

Outcome measures

Outcome measures
Measure
Treatment A
n=25 Participants
Treatment A: Oral Dose of cenobamate administered as a single 200 mg tablet under fasted conditions
Treatment B
n=24 Participants
Treatment B: Oral Dose of cenobamate administered as a single 200 mg/20 mL suspension under fasted conditions
Treatment C
n=25 Participants
Treatment C: Oral Dose of cenobamate administered at a single 200 mg/20 mL suspension under fed conditions
Area Under the Concentration Curve From 0 to Infinity
308.0 (μg•h/mL)
Interval 183.0 to 526.0
309.5 (μg•h/mL)
Interval 178.0 to 500.0
296.0 (μg•h/mL)
Interval 178.0 to 500.0

SECONDARY outcome

Timeframe: Day 1 to Day 69

To evaluate the safety and tolerability of each cenobamate formulation administered under either fed (Oral Dose of cenobamate administered at a single 200 mg/20 mL suspension ) or fasted (Both tablet and oral suspension formulations) incidence of treatment-emergent adverse events will be monitored.

Outcome measures

Outcome measures
Measure
Treatment A
n=25 Participants
Treatment A: Oral Dose of cenobamate administered as a single 200 mg tablet under fasted conditions
Treatment B
n=24 Participants
Treatment B: Oral Dose of cenobamate administered as a single 200 mg/20 mL suspension under fasted conditions
Treatment C
n=25 Participants
Treatment C: Oral Dose of cenobamate administered at a single 200 mg/20 mL suspension under fed conditions
Number of Participants With Treatment-Emergent Adverse Events
8 Participants
8 Participants
7 Participants

Adverse Events

Treatment A

Serious events: 0 serious events
Other events: 8 other events
Deaths: 0 deaths

Treatment B

Serious events: 0 serious events
Other events: 8 other events
Deaths: 0 deaths

Treatment C

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
Treatment A
n=25 participants at risk
Treatment A: Oral Dose of cenobamate administered as a single 200 mg tablet under fasted conditions
Treatment B
n=24 participants at risk
Treatment B: Oral Dose of cenobamate administered as a single 200 mg/20 mL suspension under fasted conditions
Treatment C
n=25 participants at risk
Treatment C: Oral Dose of cenobamate administered at a single 200 mg/20 mL suspension under fed conditions
Gastrointestinal disorders
Paraesthesia Oral
4.0%
1/25 • Number of events 1 • 69 days
0.00%
0/24 • 69 days
0.00%
0/25 • 69 days
General disorders
Catheter Site Related Reaction
0.00%
0/25 • 69 days
0.00%
0/24 • 69 days
4.0%
1/25 • Number of events 1 • 69 days
Infections and infestations
Covid-19
0.00%
0/25 • 69 days
0.00%
0/24 • 69 days
4.0%
1/25 • Number of events 1 • 69 days
Injury, poisoning and procedural complications
Sunburn
4.0%
1/25 • Number of events 1 • 69 days
0.00%
0/24 • 69 days
0.00%
0/25 • 69 days
Musculoskeletal and connective tissue disorders
Back Pain
4.0%
1/25 • Number of events 1 • 69 days
0.00%
0/24 • 69 days
0.00%
0/25 • 69 days
Musculoskeletal and connective tissue disorders
Myalgia
0.00%
0/25 • 69 days
0.00%
0/24 • 69 days
4.0%
1/25 • Number of events 1 • 69 days
Musculoskeletal and connective tissue disorders
Neck Pain
0.00%
0/25 • 69 days
0.00%
0/24 • 69 days
4.0%
1/25 • Number of events 1 • 69 days
Nervous system disorders
Dizziness
12.0%
3/25 • Number of events 3 • 69 days
8.3%
2/24 • Number of events 2 • 69 days
0.00%
0/25 • 69 days
Nervous system disorders
Headache
4.0%
1/25 • Number of events 1 • 69 days
4.2%
1/24 • Number of events 1 • 69 days
4.0%
1/25 • Number of events 1 • 69 days
Nervous system disorders
Presyncope
0.00%
0/25 • 69 days
4.2%
1/24 • Number of events 1 • 69 days
0.00%
0/25 • 69 days
Nervous system disorders
Somnolence
0.00%
0/25 • 69 days
4.2%
1/24 • Number of events 1 • 69 days
0.00%
0/25 • 69 days
Psychiatric disorders
Euphoric Mood
0.00%
0/25 • 69 days
4.2%
1/24 • Number of events 1 • 69 days
0.00%
0/25 • 69 days
Respiratory, thoracic and mediastinal disorders
Oropharyngeal Pain
0.00%
0/25 • 69 days
4.2%
1/24 • Number of events 1 • 69 days
4.0%
1/25 • Number of events 1 • 69 days
Respiratory, thoracic and mediastinal disorders
Nasal Congestion
0.00%
0/25 • 69 days
0.00%
0/24 • 69 days
4.0%
1/25 • Number of events 1 • 69 days
Skin and subcutaneous tissue disorders
Dermatitis Contact
4.0%
1/25 • Number of events 1 • 69 days
0.00%
0/24 • 69 days
4.0%
1/25 • Number of events 1 • 69 days
Skin and subcutaneous tissue disorders
Ecchymosis
0.00%
0/25 • 69 days
4.2%
1/24 • Number of events 1 • 69 days
0.00%
0/25 • 69 days
Skin and subcutaneous tissue disorders
Eczema
0.00%
0/25 • 69 days
0.00%
0/24 • 69 days
4.0%
1/25 • Number of events 1 • 69 days
Skin and subcutaneous tissue disorders
Hyperhidrosis
0.00%
0/25 • 69 days
4.2%
1/24 • Number of events 1 • 69 days
0.00%
0/25 • 69 days
Skin and subcutaneous tissue disorders
Pruitus
0.00%
0/25 • 69 days
0.00%
0/24 • 69 days
4.0%
1/25 • Number of events 1 • 69 days
Skin and subcutaneous tissue disorders
Pseudofolliculitis
0.00%
0/25 • 69 days
4.2%
1/24 • Number of events 1 • 69 days
0.00%
0/25 • 69 days
Skin and subcutaneous tissue disorders
Skin Lesion
4.0%
1/25 • Number of events 1 • 69 days
0.00%
0/24 • 69 days
0.00%
0/25 • 69 days
Vascular disorders
Phlebitis
0.00%
0/25 • 69 days
0.00%
0/24 • 69 days
4.0%
1/25 • Number of events 1 • 69 days

Additional Information

Executive Director and Head, Clinical Pharmacology

SK Life Science, Inc.

Phone: 862-271-2645

Results disclosure agreements

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