Overview Zonisamide Augmentation of Varenicline Treatment for Smoking Cessation Status: Completed Trial end date: 2014-05-01 Target enrollment: Participant gender: Summary Randomized trial to evaluate whether zonisamide can enhance varenicline-induced smoking cessation. Phase: Phase 1/Phase 2 Details Lead Sponsor: Johns Hopkins UniversityCollaborator: National Institute on Drug Abuse (NIDA)Treatments: NicotineVareniclineZonisamide