Conditions: Smoking Cessation
Keywords: smoking reduction smoking cessation
Allocation: RANDOMIZED | Intervention model: PARALLEL
Enrollment: 1510
Healthy volunteers: no

Brief summary:
This study will determine whether varenicline is safe and helps people to quit smoking through reduction when they are not willing/able to make an abrupt quit attempt.

Detailed description:

Arms:
arm 1: None arm 2: None

Interventions: intervention 1: Varenicline Tartrate intervention 2: Placebo
Intervention descriptions: intervention 1: Varenicline Tartrate oral tablets 2 (0.5mg) tablets twice a day for 24 weeks (first week titration) intervention 2: Matching placebo 2 oral tablets twice a day for 24 weeks (first week titration)

Protocol document: