Conditions: Smoking Cessation
Keywords: smoking cessation smoking treatment patient self-selected quit date
Allocation: RANDOMIZED | Intervention model: PARALLEL
Enrollment: 659
Healthy volunteers: no

Brief summary:
The hypothesis is that varenicline will be effective (compared with placebo) for smoking cessation when subjects are allowed to set their own quit date within the first 5 weeks of treatment.

Detailed description:

Arms:
arm 1: None arm 2: None

Interventions: intervention 1: placebo intervention 2: varenicline
Intervention descriptions: intervention 1: placebo tablet taken orally twice daily for 12 weeks intervention 2: varenicline tablets, 1 mg taken orally twice daily for 12 weeks

Protocol document: