Overview N-acetylcysteine for Tobacco Use Disorder Status: Completed Trial end date: 2019-10-10 Target enrollment: Participant gender: Summary The purpose of this study is to assess the effects of administering N-Acetylcysteine (NAC) to assist in initial cessation and/or relapse prevention in adult cigarette smokers. Phase: Phase 2 Details Lead Sponsor: Medical University of South CarolinaCollaborator: National Institute on Drug Abuse (NIDA)Treatments: AcetylcysteineN-monoacetylcystine