Trial Outcomes & Findings for Buprenorphine 8 mg Sublingual Tablets Under Fasting Conditions (NCT NCT01157169)

NCT ID: NCT01157169

Last Updated: 2020-01-18

Results Overview

Bioequivalence based on Buprenorphine Cmax (maximum observed concentration of drug substance in plasma).

Recruitment status

COMPLETED

Study phase

PHASE1

Target enrollment

40 participants

Primary outcome timeframe

Blood samples collected over a 144 hour period.

Results posted on

2020-01-18

Participant Flow

Participant milestones

Participant milestones
Measure
Buprenorphine (Test) First
8 mg Buprenorphine Sublingual Tablets test product dosed in first period followed by 8 mg Subutex® Sublingual Tablets reference product dosed in the second period.
Subutex® (Reference) First
8 mg Subutex® Sublingual Tablets reference product dosed in first period followed by 8 mg Buprenorphine Sublingual Tablets test product dosed in the second period.
First Intervention
STARTED
20
20
First Intervention
COMPLETED
16
18
First Intervention
NOT COMPLETED
4
2
Washout of 10 Days
STARTED
16
18
Washout of 10 Days
COMPLETED
16
18
Washout of 10 Days
NOT COMPLETED
0
0
Second Intervention
STARTED
16
18
Second Intervention
COMPLETED
16
17
Second Intervention
NOT COMPLETED
0
1

Reasons for withdrawal

Reasons for withdrawal
Measure
Buprenorphine (Test) First
8 mg Buprenorphine Sublingual Tablets test product dosed in first period followed by 8 mg Subutex® Sublingual Tablets reference product dosed in the second period.
Subutex® (Reference) First
8 mg Subutex® Sublingual Tablets reference product dosed in first period followed by 8 mg Buprenorphine Sublingual Tablets test product dosed in the second period.
First Intervention
Emesis Within 4 hrs of Administration
4
2
Second Intervention
Emesis Within 4 hrs of Administration
0
1

Baseline Characteristics

Buprenorphine 8 mg Sublingual Tablets Under Fasting Conditions

Baseline characteristics by cohort

Baseline characteristics by cohort
Measure
Buprenorphine (Test) First
n=20 Participants
8 mg Buprenorphine Sublingual Tablets test product dosed in first period followed by 8 mg Subutex® Sublingual Tablets reference product dosed in the second period.
Subutex® (Reference) First
n=20 Participants
8 mg Subutex® Sublingual Tablets reference product dosed in first period followed by 8 mg Buprenorphine Sublingual Tablets test product dosed in the second period.
Total
n=40 Participants
Total of all reporting groups
Age, Categorical
<=18 years
0 Participants
n=93 Participants
0 Participants
n=4 Participants
0 Participants
n=27 Participants
Age, Categorical
Between 18 and 65 years
20 Participants
n=93 Participants
20 Participants
n=4 Participants
40 Participants
n=27 Participants
Age, Categorical
>=65 years
0 Participants
n=93 Participants
0 Participants
n=4 Participants
0 Participants
n=27 Participants
Sex: Female, Male
Female
9 Participants
n=93 Participants
6 Participants
n=4 Participants
15 Participants
n=27 Participants
Sex: Female, Male
Male
11 Participants
n=93 Participants
14 Participants
n=4 Participants
25 Participants
n=27 Participants
Race/Ethnicity, Customized
Asian
1 participants
n=93 Participants
1 participants
n=4 Participants
2 participants
n=27 Participants
Race/Ethnicity, Customized
Black
3 participants
n=93 Participants
1 participants
n=4 Participants
4 participants
n=27 Participants
Race/Ethnicity, Customized
Caucasian
9 participants
n=93 Participants
12 participants
n=4 Participants
21 participants
n=27 Participants
Race/Ethnicity, Customized
Hispanic
7 participants
n=93 Participants
5 participants
n=4 Participants
12 participants
n=27 Participants
Race/Ethnicity, Customized
American Indian
0 participants
n=93 Participants
1 participants
n=4 Participants
1 participants
n=27 Participants
Region of Enrollment
United States
20 participants
n=93 Participants
20 participants
n=4 Participants
40 participants
n=27 Participants

PRIMARY outcome

Timeframe: Blood samples collected over a 144 hour period.

Population: All participants that completed the study had their samples analyzed.

Bioequivalence based on Buprenorphine Cmax (maximum observed concentration of drug substance in plasma).

Outcome measures

Outcome measures
Measure
Buprenorphine (Test)
n=33 Participants
8 mg Buprenorphine Sublingual Tablets test product dosed in either period.
Subutex® (Reference)
n=33 Participants
8 mg Subutex® Sublingual Tablets reference product dosed in either period.
Cmax of Buprenorphine.
4.40 ng/mL
Standard Deviation 2.16
3.88 ng/mL
Standard Deviation 1.82

PRIMARY outcome

Timeframe: Blood samples collected over a 144 hour period.

Population: All participants that completed the study had their samples analyzed.

Bioequivalence based on Buprenorphine AUC0-t (area under the concentration-time curve from time zero to time of last measurable concentration).

Outcome measures

Outcome measures
Measure
Buprenorphine (Test)
n=33 Participants
8 mg Buprenorphine Sublingual Tablets test product dosed in either period.
Subutex® (Reference)
n=33 Participants
8 mg Subutex® Sublingual Tablets reference product dosed in either period.
AUC0-t for Buprenorphine.
35.12 ng*h/mL
Standard Deviation 12.55
32.92 ng*h/mL
Standard Deviation 12.04

PRIMARY outcome

Timeframe: Blood samples collected over a 144 hour period.

Population: All participants that completed the study had their samples analyzed.

Bioequivalence based on Buprenorphine AUC0-inf (area under the concentration-time curve from time zero to infinity).

Outcome measures

Outcome measures
Measure
Buprenorphine (Test)
n=33 Participants
8 mg Buprenorphine Sublingual Tablets test product dosed in either period.
Subutex® (Reference)
n=33 Participants
8 mg Subutex® Sublingual Tablets reference product dosed in either period.
AUC0-inf for Buprenorphine.
37.19 ng*h/mL
Standard Deviation 13.39
35.73 ng*h/mL
Standard Deviation 13.93

SECONDARY outcome

Timeframe: Blood samples collected over a 144 hour period.

Population: All participants that completed the study had their samples analyzed.

Informational comparison of Cmax (maximum observed concentration of drug substance in plasma) values for the metabolite Norbuprenorphine.

Outcome measures

Outcome measures
Measure
Buprenorphine (Test)
n=33 Participants
8 mg Buprenorphine Sublingual Tablets test product dosed in either period.
Subutex® (Reference)
n=33 Participants
8 mg Subutex® Sublingual Tablets reference product dosed in either period.
Cmax for Norbuprenorphine.
1.58 ng/mL
Standard Deviation 0.719
1.64 ng/mL
Standard Deviation 0.643

SECONDARY outcome

Timeframe: Blood samples collected over a 144 hour period.

Population: All participants that completed the study had their samples analyzed.

Informational comparison of AUC0-t (area under the concentration-time curve from time zero to time of last measurable concentration) values for the metabolite Norbuprenorphine.

Outcome measures

Outcome measures
Measure
Buprenorphine (Test)
n=33 Participants
8 mg Buprenorphine Sublingual Tablets test product dosed in either period.
Subutex® (Reference)
n=33 Participants
8 mg Subutex® Sublingual Tablets reference product dosed in either period.
AUC0-t for Norbuprenorphine.
45.34 ng*h/mL
Standard Deviation 18.72
47.58 ng*h/mL
Standard Deviation 17.91

SECONDARY outcome

Timeframe: Blood samples collected over a 144 hour period.

Population: All participants that completed the study had their samples analyzed.

Informational comparison of AUC0-inf (area under the concentration-time curve from time zero to infinity) values for the metabolite Norbuprenorphine.

Outcome measures

Outcome measures
Measure
Buprenorphine (Test)
n=33 Participants
8 mg Buprenorphine Sublingual Tablets test product dosed in either period.
Subutex® (Reference)
n=33 Participants
8 mg Subutex® Sublingual Tablets reference product dosed in either period.
AUC0-inf for Norbuprenorphine.
50.77 ng*h/mL
Standard Deviation 28.99
51.04 ng*h/mL
Standard Deviation 22.12

Adverse Events

Buprenorphine (Test) First

Serious events: 0 serious events
Other events: 22 other events
Deaths: 0 deaths

Subutex® (Reference) First

Serious events: 0 serious events
Other events: 13 other events
Deaths: 0 deaths

Serious adverse events

Adverse event data not reported

Other adverse events

Other adverse events
Measure
Buprenorphine (Test) First
n=40 participants at risk
8 mg Buprenorphine Sublingual Tablets test product dosed in first period followed by 8 mg Subutex® Sublingual Tablets reference product dosed in the second period.
Subutex® (Reference) First
n=40 participants at risk
8 mg Subutex® Sublingual Tablets reference product dosed in first period followed by 8 mg Buprenorphine Sublingual Tablets test product dosed in the second period.
General disorders
Nausea
37.5%
15/40 • Number of events 15 • Adverse event data was collected over the course of the study, which was approximately 3 weeks in duration.
Volunteers were monitored throughout the study for any adverse experiences. AEs were collected through both solicited and unsolicited methods. The volunteers were encouraged to report signs, symptoms, and any changes in health to the clinic staff.
20.0%
8/40 • Number of events 8 • Adverse event data was collected over the course of the study, which was approximately 3 weeks in duration.
Volunteers were monitored throughout the study for any adverse experiences. AEs were collected through both solicited and unsolicited methods. The volunteers were encouraged to report signs, symptoms, and any changes in health to the clinic staff.
General disorders
Dizziness
20.0%
8/40 • Number of events 8 • Adverse event data was collected over the course of the study, which was approximately 3 weeks in duration.
Volunteers were monitored throughout the study for any adverse experiences. AEs were collected through both solicited and unsolicited methods. The volunteers were encouraged to report signs, symptoms, and any changes in health to the clinic staff.
7.5%
3/40 • Number of events 3 • Adverse event data was collected over the course of the study, which was approximately 3 weeks in duration.
Volunteers were monitored throughout the study for any adverse experiences. AEs were collected through both solicited and unsolicited methods. The volunteers were encouraged to report signs, symptoms, and any changes in health to the clinic staff.
General disorders
Headache
15.0%
6/40 • Number of events 6 • Adverse event data was collected over the course of the study, which was approximately 3 weeks in duration.
Volunteers were monitored throughout the study for any adverse experiences. AEs were collected through both solicited and unsolicited methods. The volunteers were encouraged to report signs, symptoms, and any changes in health to the clinic staff.
15.0%
6/40 • Number of events 6 • Adverse event data was collected over the course of the study, which was approximately 3 weeks in duration.
Volunteers were monitored throughout the study for any adverse experiences. AEs were collected through both solicited and unsolicited methods. The volunteers were encouraged to report signs, symptoms, and any changes in health to the clinic staff.
General disorders
Emesis
22.5%
9/40 • Number of events 9 • Adverse event data was collected over the course of the study, which was approximately 3 weeks in duration.
Volunteers were monitored throughout the study for any adverse experiences. AEs were collected through both solicited and unsolicited methods. The volunteers were encouraged to report signs, symptoms, and any changes in health to the clinic staff.
7.5%
3/40 • Number of events 3 • Adverse event data was collected over the course of the study, which was approximately 3 weeks in duration.
Volunteers were monitored throughout the study for any adverse experiences. AEs were collected through both solicited and unsolicited methods. The volunteers were encouraged to report signs, symptoms, and any changes in health to the clinic staff.
General disorders
Fatigue
5.0%
2/40 • Number of events 2 • Adverse event data was collected over the course of the study, which was approximately 3 weeks in duration.
Volunteers were monitored throughout the study for any adverse experiences. AEs were collected through both solicited and unsolicited methods. The volunteers were encouraged to report signs, symptoms, and any changes in health to the clinic staff.
5.0%
2/40 • Number of events 2 • Adverse event data was collected over the course of the study, which was approximately 3 weeks in duration.
Volunteers were monitored throughout the study for any adverse experiences. AEs were collected through both solicited and unsolicited methods. The volunteers were encouraged to report signs, symptoms, and any changes in health to the clinic staff.

Additional Information

Associate Director, Biopharmaceutics

TEVA Pharmaceuticals, USA

Phone: 1-866-384-5525

Results disclosure agreements

  • Principal investigator is a sponsor employee The Principal Investigator is not permitted to discuss or publish trial results.
  • Publication restrictions are in place

Restriction type: OTHER