Trial Outcomes & Findings for Alprazolam Extended-Release 3mg Tablets Bioequivalence Study Under Non-fasting Conditions (NCT NCT00830024)

NCT ID: NCT00830024

Last Updated: 2024-08-20

Results Overview

Bioequivalence based on Cmax

Recruitment status

COMPLETED

Study phase

PHASE1

Target enrollment

36 participants

Primary outcome timeframe

Blood samples collected over 72 hour period

Results posted on

2024-08-20

Participant Flow

Participant milestones

Participant milestones
Measure
Test First
Alprazolam Extended Release Tablet 3 mg test product dosed in first period followed by Xanax XR® Tablet 3 mg reference product dosed in second period
Reference First
Xanax XR® Tablet 3 mg reference product dosed in first period followed by Alprazolam Extended Release Tablet 3 mg test product dosed in second period
First Intervention
STARTED
18
18
First Intervention
COMPLETED
18
18
First Intervention
NOT COMPLETED
0
0
Washout: 7 Days
STARTED
18
18
Washout: 7 Days
COMPLETED
17
18
Washout: 7 Days
NOT COMPLETED
1
0
Second Intervention
STARTED
17
18
Second Intervention
COMPLETED
17
18
Second Intervention
NOT COMPLETED
0
0

Reasons for withdrawal

Reasons for withdrawal
Measure
Test First
Alprazolam Extended Release Tablet 3 mg test product dosed in first period followed by Xanax XR® Tablet 3 mg reference product dosed in second period
Reference First
Xanax XR® Tablet 3 mg reference product dosed in first period followed by Alprazolam Extended Release Tablet 3 mg test product dosed in second period
Washout: 7 Days
Withdrawal by Subject
1
0

Baseline Characteristics

Alprazolam Extended-Release 3mg Tablets Bioequivalence Study Under Non-fasting Conditions

Baseline characteristics by cohort

Baseline characteristics by cohort
Measure
Test First
n=18 Participants
Alprazolam Extended Release Tablet 3 mg test product dosed in first period followed by Xanax XR® Tablet 3 mg reference product dosed in second period
Reference First
n=18 Participants
Xanax XR® Tablet 3 mg reference product dosed in first period followed by Alprazolam Extended Release Tablet 3 mg test product dosed in second period
Total
n=36 Participants
Total of all reporting groups
Age, Categorical
<=18 years
0 Participants
n=5 Participants
0 Participants
n=7 Participants
0 Participants
n=5 Participants
Age, Categorical
Between 18 and 65 years
17 Participants
n=5 Participants
18 Participants
n=7 Participants
35 Participants
n=5 Participants
Age, Categorical
>=65 years
1 Participants
n=5 Participants
0 Participants
n=7 Participants
1 Participants
n=5 Participants
Sex: Female, Male
Female
2 Participants
n=5 Participants
2 Participants
n=7 Participants
4 Participants
n=5 Participants
Sex: Female, Male
Male
16 Participants
n=5 Participants
16 Participants
n=7 Participants
32 Participants
n=5 Participants
Race/Ethnicity, Customized
White
17 Participants
n=5 Participants
17 Participants
n=7 Participants
34 Participants
n=5 Participants
Race/Ethnicity, Customized
Black
0 Participants
n=5 Participants
1 Participants
n=7 Participants
1 Participants
n=5 Participants
Race/Ethnicity, Customized
Asian
1 Participants
n=5 Participants
0 Participants
n=7 Participants
1 Participants
n=5 Participants
Region of Enrollment
United States
18 participants
n=5 Participants
18 participants
n=7 Participants
36 participants
n=5 Participants

PRIMARY outcome

Timeframe: Blood samples collected over 72 hour period

Population: Data from all subjects who completed the study were included in the statistical analysis.

Bioequivalence based on Cmax

Outcome measures

Outcome measures
Measure
Alprazolam
n=35 Participants
Alprazolam Extended Release Tablet 3 mg test product dosed in either period
Xanax XR®
n=35 Participants
Xanax XR® Tablet 3 mg reference product dosed in either period
Cmax - Maximum Observed Concentration
28.79 ng/mL
Standard Deviation 6.35
28.95 ng/mL
Standard Deviation 5.38

PRIMARY outcome

Timeframe: Blood samples collected over 72 hour period

Population: Data from all subjects who completed the study were included in the statistical analysis.

Bioequivalence based on AUC0-inf

Outcome measures

Outcome measures
Measure
Alprazolam
n=35 Participants
Alprazolam Extended Release Tablet 3 mg test product dosed in either period
Xanax XR®
n=35 Participants
Xanax XR® Tablet 3 mg reference product dosed in either period
AUC0-inf - Area Under the Concentration-time Curve From Time Zero to Infinity (Extrapolated)
650.91 ng*h/mL
Standard Deviation 249.36
683.25 ng*h/mL
Standard Deviation 289.69

PRIMARY outcome

Timeframe: Blood samples collected over 72 hour period

Population: Data from all subjects who completed the study were included in the statistical analysis.

Bioequivalence based on AUC0-t

Outcome measures

Outcome measures
Measure
Alprazolam
n=35 Participants
Alprazolam Extended Release Tablet 3 mg test product dosed in either period
Xanax XR®
n=35 Participants
Xanax XR® Tablet 3 mg reference product dosed in either period
AUC0-t - Area Under the Concentration-time Curve From Time Zero to Time of Last Non-zero Concentration (Per Participant)
600.24 ng*h/mL
Standard Deviation 199.80
626.54 ng*h/mL
Standard Deviation 216.46

Adverse Events

Serious adverse events

Adverse event data not reported

Other adverse events

Adverse event data not reported

Additional Information

Manger, Biopharmaceutics

Teva Pharmaceuticals USA

Phone: 1-866-384-5525

Results disclosure agreements

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

Restriction type: OTHER