Overview Baclofen Effects on Smoking Urge and Withdrawal Status: Terminated Trial end date: 2008-12-01 Target enrollment: Participant gender: Summary The purpose of this study is to determine whether baclofen is effective in reducing smoking urge, withdrawal, and reinforcement in moderate to heavy cigarette smokers. Phase: Phase 2 Details Lead Sponsor: VA Office of Research and DevelopmentTreatments: Baclofen