Overview Maintenance Treatment for Abstinent Smokers Status: Completed Trial end date: 2006-07-01 Target enrollment: Participant gender: Summary The purpose of this study is to determine the efficacy and cost-effectiveness of long-term pharmacotherapy (using Zyban and/or nicotine replacement) for reducing the relapse rate associated with stopping smoking. Phase: Phase 3 Details Lead Sponsor: National Institute on Drug Abuse (NIDA)Collaborator: Research Foundation for Mental Hygiene, Inc.Treatments: BupropionNicotine