Trial Outcomes & Findings for Bioequivalence Study of Torrent Pharmaceutical Ltd.'s Zolpidem Tartrate Tablets Under Fasted Conditions (NCT NCT00939536)

NCT ID: NCT00939536

Last Updated: 2013-10-22

Results Overview

The maximum or peak concentration that the drug reaches in the plasma

Recruitment status

COMPLETED

Study phase

PHASE1

Target enrollment

24 participants

Primary outcome timeframe

plasma samples were obtained from blood drawn at 0 (within 60 minutes prior to dose), 0.25, 0.5, 0.75, 1, 1.25, 1.5, 2, 2.5, 3, 4, 6, 8, 10, 12, 16, 20 and 24 hours (18 samples) after administration of the dose.

Results posted on

2013-10-22

Participant Flow

healthy, normal subjects

Participant milestones

Participant milestones
Measure
Ambien First, Then Torrent's Zolpidem
For period one - on the morning of Day 1 subjects received the reference formulation, Ambien 10 mg Followed by a 7 day washout period. For period two - on the morning of Day 1 subjects received the test formulation, Torrent's Zolpidem 10 mg.
Torrent's Zolpidem First, Then Ambien
For period one - on the morning of Day 1 subjects received Torrent's Zolpidem 10 mg. Followed by a 7 day washout period. For period two - on the morning of Day 1 subjects received the reference formulation, Ambien 10 mg.
First Intervention
STARTED
12
12
First Intervention
COMPLETED
12
12
First Intervention
NOT COMPLETED
0
0
Second Intervention
STARTED
12
12
Second Intervention
COMPLETED
12
12
Second Intervention
NOT COMPLETED
0
0

Reasons for withdrawal

Withdrawal data not reported

Baseline Characteristics

Bioequivalence Study of Torrent Pharmaceutical Ltd.'s Zolpidem Tartrate Tablets Under Fasted Conditions

Baseline characteristics by cohort

Baseline characteristics by cohort
Measure
Experimental
n=12 Participants
Torrent's Zolpidem Tartrate Tablets 10 mg
Active Comparator
n=12 Participants
Ambien® 10mg tablets
Total
n=24 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
12 Participants
n=5 Participants
12 Participants
n=7 Participants
24 Participants
n=5 Participants
Age, Categorical
>=65 years
0 Participants
n=5 Participants
0 Participants
n=7 Participants
0 Participants
n=5 Participants
Age Continuous
28.2 years
STANDARD_DEVIATION 6.7 • n=5 Participants
28.2 years
STANDARD_DEVIATION 6.7 • n=7 Participants
28.2 years
STANDARD_DEVIATION 6.7 • n=5 Participants
Sex: Female, Male
Female
4 Participants
n=5 Participants
4 Participants
n=7 Participants
8 Participants
n=5 Participants
Sex: Female, Male
Male
8 Participants
n=5 Participants
8 Participants
n=7 Participants
16 Participants
n=5 Participants
Region of Enrollment
India
12 participants
n=5 Participants
12 participants
n=7 Participants
24 participants
n=5 Participants

PRIMARY outcome

Timeframe: plasma samples were obtained from blood drawn at 0 (within 60 minutes prior to dose), 0.25, 0.5, 0.75, 1, 1.25, 1.5, 2, 2.5, 3, 4, 6, 8, 10, 12, 16, 20 and 24 hours (18 samples) after administration of the dose.

The maximum or peak concentration that the drug reaches in the plasma

Outcome measures

Outcome measures
Measure
Experimental
n=24 Participants
Torrent's Zolpidem Tartrate Tablets 10 mg
Active Comparator
n=24 Participants
Ambien® 10mg tablets
Maximum Plasma Concentration (Cmax)
177.69 ng/ml
Standard Deviation 57.05
172.64 ng/ml
Standard Deviation 72.15

PRIMARY outcome

Timeframe: plasma samples were obtained from blood drawn at 0 (within 60 minutes prior to dose), 0.25, 0.5, 0.75, 1, 1.25, 1.5, 2, 2.5, 3, 4, 6, 8, 10, 12, 16, 20 and 24 hours (18 samples) after administration of the dose.

The area under the plasma concentration versus time curve, from time 0 to the time of the last measurable concentration (t)

Outcome measures

Outcome measures
Measure
Experimental
n=24 Participants
Torrent's Zolpidem Tartrate Tablets 10 mg
Active Comparator
n=24 Participants
Ambien® 10mg tablets
Area Under the Concentration Versus Time Curve From Time 0 to Time t [AUC(0-t)]
751.31 mcg*hr/mL
Standard Deviation 399.17
717.71 mcg*hr/mL
Standard Deviation 401.92

PRIMARY outcome

Timeframe: plasma samples were obtained from blood drawn at 0 (within 60 minutes prior to dose), 0.25, 0.5, 0.75, 1, 1.25, 1.5, 2, 2.5, 3, 4, 6, 8, 10, 12, 16, 20 and 24 hours (18 samples) after administration of the dose.

The area under the plasma concentration versus time curve from time 0 to infinity. AUC(0-∞) was calculated as the sum of AUC(0-t) plus the ratio of the last measurable plasma concentration to the elimination rate constant.

Outcome measures

Outcome measures
Measure
Experimental
n=24 Participants
Torrent's Zolpidem Tartrate Tablets 10 mg
Active Comparator
n=24 Participants
Ambien® 10mg tablets
The Area Under the Plasma Concentration Versus Time Curve From Time 0 to Infinity AUC(0-∞)
778.16 mcg*hr/mL
Standard Deviation 418.74
741.65 mcg*hr/mL
Standard Deviation 415.73

Adverse Events

Experimental

Serious events: 0 serious events
Other events: 9 other events
Deaths: 0 deaths

Active Comparator

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

Serious adverse events

Adverse event data not reported

Other adverse events

Other adverse events
Measure
Experimental
n=24 participants at risk
Torrent's Zolpidem Tartrate Tablets 10 mg
Active Comparator
n=24 participants at risk
Ambien® 10mg tablets
General disorders
vomiting
16.7%
4/24 • Number of events 4
0/0
General disorders
nausea
8.3%
2/24 • Number of events 2
0/0
General disorders
regurgitation of water content
8.3%
2/24 • Number of events 2
0/0
General disorders
giddiness
4.2%
1/24 • Number of events 1
0/0

Additional Information

Kedar Joshi

Accutest Research Laboratories Pvt. Ltd.

Phone: +91 22 27780718

Results disclosure agreements

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

Restriction type: OTHER