Trial Outcomes & Findings for The Effect of Cycloserine on Smoking Behavior in Nicotine Dependent Smokers (NCT NCT00633256)

NCT ID: NCT00633256

Last Updated: 2012-04-11

Results Overview

The number of cigarettes smoked per day at the 1 week follow up time point.

Recruitment status

COMPLETED

Study phase

NA

Target enrollment

20 participants

Primary outcome timeframe

1 week follow-up

Results posted on

2012-04-11

Participant Flow

Participant milestones

Participant milestones
Measure
Cycloserine
50 mg cycloserine
Placebo
Matched placebo
Overall Study
STARTED
12
13
Overall Study
COMPLETED
8
10
Overall Study
NOT COMPLETED
4
3

Reasons for withdrawal

Withdrawal data not reported

Baseline Characteristics

The Effect of Cycloserine on Smoking Behavior in Nicotine Dependent Smokers

Baseline characteristics by cohort

Baseline characteristics by cohort
Measure
Cycloserine
n=12 Participants
50 mg cycloserine
Placebo
n=13 Participants
Matched placebo
Total
n=25 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
13 Participants
n=7 Participants
25 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
41.1 years
STANDARD_DEVIATION 6.2 • n=5 Participants
41.5 years
STANDARD_DEVIATION 11.5 • n=7 Participants
41.3 years
STANDARD_DEVIATION 9.1 • n=5 Participants
Sex: Female, Male
Female
6 Participants
n=5 Participants
7 Participants
n=7 Participants
13 Participants
n=5 Participants
Sex: Female, Male
Male
6 Participants
n=5 Participants
6 Participants
n=7 Participants
12 Participants
n=5 Participants
Region of Enrollment
United States
12 participants
n=5 Participants
13 participants
n=7 Participants
25 participants
n=5 Participants

PRIMARY outcome

Timeframe: 1 week follow-up

Population: The number of participants used for analysis were those who completed the 4-week follow-up timepoint.

The number of cigarettes smoked per day at the 1 week follow up time point.

Outcome measures

Outcome measures
Measure
Cycloserine
n=8 Participants
50 mg cycloserine
Placebo
n=8 Participants
Matched placebo
Cigarettes Smoked Per Day
10.3 Cigarettes per day
Standard Deviation 6.3
13.9 Cigarettes per day
Standard Deviation 12.7

SECONDARY outcome

Timeframe: 4 Week Followup

Population: The number of subjects in the study at the 4-week timepoint.

The number of cigarettes smoked per day at the 4-week follow up timepoint.

Outcome measures

Outcome measures
Measure
Cycloserine
n=8 Participants
50 mg cycloserine
Placebo
n=8 Participants
Matched placebo
Cigarettes Smoked Per Day
9.9 Cigarettes per day
Standard Deviation 7.7
11.0 Cigarettes per day
Standard Deviation 9.2

SECONDARY outcome

Timeframe: 4 Week Follow-up Timepoint

Population: Subjects used for analysis are those who reached the 4 week followup timepoint.

Urinary Cotinine level at the 4-week follow up timepoint

Outcome measures

Outcome measures
Measure
Cycloserine
n=8 Participants
50 mg cycloserine
Placebo
n=8 Participants
Matched placebo
Urinary Cotinine Level
1645.5 Mean ng/ml
Standard Deviation 1180.8
2062.6 Mean ng/ml
Standard Deviation 1091.1

Adverse Events

Cycloserine

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

Placebo

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

Serious adverse events

Adverse event data not reported

Other adverse events

Adverse event data not reported

Additional Information

James Poling, Ph.D.

Yale University

Phone: 203-937-4830

Results disclosure agreements

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