Trial Outcomes & Findings for Long-term Varenicline Treatment for Smoking Cessation (NCT NCT00828113)

NCT ID: NCT00828113

Last Updated: 2015-11-20

Results Overview

Self-report of no smoking (not even a puff) in the previous seven days confirmed by an expired carbon monoxide reading of \< 10 parts per million as assessed at Week 52

Recruitment status

COMPLETED

Study phase

PHASE4

Target enrollment

101 participants

Primary outcome timeframe

7-day point prevalence

Results posted on

2015-11-20

Participant Flow

Participant milestones

Participant milestones
Measure
Extended Treatment
52-week varenicline therapy + individual smoking cessation counseling
Standard Treatment
13 weeks of varenicline therapy + individual smoking cessation counseling
Overall Study
STARTED
50
51
Overall Study
COMPLETED
20
20
Overall Study
NOT COMPLETED
30
31

Reasons for withdrawal

Reasons for withdrawal
Measure
Extended Treatment
52-week varenicline therapy + individual smoking cessation counseling
Standard Treatment
13 weeks of varenicline therapy + individual smoking cessation counseling
Overall Study
Withdrawal by Subject
27
26
Overall Study
Lost to Follow-up
3
5

Baseline Characteristics

Long-term Varenicline Treatment for Smoking Cessation

Baseline characteristics by cohort

Baseline characteristics by cohort
Measure
Extended Treatment
n=50 Participants
52-week varenicline therapy + individual smoking cessation counseling
Standard Treatment
n=51 Participants
13 weeks of varenicline therapy + individual smoking cessation counseling
Total
n=101 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
50 Participants
n=5 Participants
51 Participants
n=7 Participants
101 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
42.6 years
STANDARD_DEVIATION 11.6 • n=5 Participants
43.2 years
STANDARD_DEVIATION 12.4 • n=7 Participants
42.9 years
STANDARD_DEVIATION 12.0 • n=5 Participants
Sex: Female, Male
Female
21 Participants
n=5 Participants
22 Participants
n=7 Participants
43 Participants
n=5 Participants
Sex: Female, Male
Male
29 Participants
n=5 Participants
29 Participants
n=7 Participants
58 Participants
n=5 Participants
Region of Enrollment
United States
50 participants
n=5 Participants
51 participants
n=7 Participants
101 participants
n=5 Participants

PRIMARY outcome

Timeframe: 7-day point prevalence

Population: Participants randomized at 12 weeks who continued in the study to Week 52 and provided CO-verified smoking status.

Self-report of no smoking (not even a puff) in the previous seven days confirmed by an expired carbon monoxide reading of \< 10 parts per million as assessed at Week 52

Outcome measures

Outcome measures
Measure
Extended Treatment
n=33 Participants
52-week varenicline therapy + individual smoking cessation counseling
Standard Treatment
n=34 Participants
13 weeks of varenicline therapy + individual smoking cessation counseling
Number of Participants Not Smoking in the Previous 7 Days, Confirmed by Expired Carbon Monoxide Reading < 10 Parts Per Million at Week 52
10 participants
11 participants

Adverse Events

Extended Treatment

Serious events: 1 serious events
Other events: 13 other events
Deaths: 0 deaths

Standard Treatment

Serious events: 1 serious events
Other events: 12 other events
Deaths: 0 deaths

Serious adverse events

Serious adverse events
Measure
Extended Treatment
n=33 participants at risk
52-week varenicline therapy + individual smoking cessation counseling
Standard Treatment
n=34 participants at risk
13 weeks of varenicline therapy + individual smoking cessation counseling
Injury, poisoning and procedural complications
Motor Vehicle Accident
0.00%
0/33
Number of participants at risk based upon those available to be randomized at Week 12
2.9%
1/34
Number of participants at risk based upon those available to be randomized at Week 12
Renal and urinary disorders
Bladder Surgery
3.0%
1/33
Number of participants at risk based upon those available to be randomized at Week 12
0.00%
0/34
Number of participants at risk based upon those available to be randomized at Week 12

Other adverse events

Other adverse events
Measure
Extended Treatment
n=33 participants at risk
52-week varenicline therapy + individual smoking cessation counseling
Standard Treatment
n=34 participants at risk
13 weeks of varenicline therapy + individual smoking cessation counseling
Gastrointestinal disorders
Nausea
6.1%
2/33
Number of participants at risk based upon those available to be randomized at Week 12
0.00%
0/34
Number of participants at risk based upon those available to be randomized at Week 12
General disorders
General Disorders NOS
3.0%
1/33
Number of participants at risk based upon those available to be randomized at Week 12
8.8%
3/34
Number of participants at risk based upon those available to be randomized at Week 12
Respiratory, thoracic and mediastinal disorders
Upper Respiratory Tract Disorder
18.2%
6/33
Number of participants at risk based upon those available to be randomized at Week 12
8.8%
3/34
Number of participants at risk based upon those available to be randomized at Week 12
Respiratory, thoracic and mediastinal disorders
Respiratory NOS
0.00%
0/33
Number of participants at risk based upon those available to be randomized at Week 12
8.8%
3/34
Number of participants at risk based upon those available to be randomized at Week 12
Metabolism and nutrition disorders
Metabolism NOS
6.1%
2/33
Number of participants at risk based upon those available to be randomized at Week 12
0.00%
0/34
Number of participants at risk based upon those available to be randomized at Week 12
Infections and infestations
Infection NOS
9.1%
3/33
Number of participants at risk based upon those available to be randomized at Week 12
5.9%
2/34
Number of participants at risk based upon those available to be randomized at Week 12
Musculoskeletal and connective tissue disorders
Musculoskeletal NOS
9.1%
3/33
Number of participants at risk based upon those available to be randomized at Week 12
11.8%
4/34
Number of participants at risk based upon those available to be randomized at Week 12
Vascular disorders
Hypertension
6.1%
2/33
Number of participants at risk based upon those available to be randomized at Week 12
11.8%
4/34
Number of participants at risk based upon those available to be randomized at Week 12
Injury, poisoning and procedural complications
Injuries
9.1%
3/33
Number of participants at risk based upon those available to be randomized at Week 12
2.9%
1/34
Number of participants at risk based upon those available to be randomized at Week 12

Additional Information

Douglas E. Jorenby, Ph.D.

University of Wisconsin School of Medicine and Public Health

Phone: 6082627527

Results disclosure agreements

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

Restriction type: LTE60