Overview Varenicline OTC Trial on Efficacy and Safety Status: Recruiting Trial end date: 2022-06-01 Target enrollment: Participant gender: Summary The primary goal of the proposed research is to test whether varenicline (Chantix) is safe and effective as an over-the-counter (OTC) medication. Phase: Phase 4 Details Lead Sponsor: Arizona State UniversityCollaborators: Los Angeles Clinical TrialsNational Institute on Drug Abuse (NIDA)PfizerUniversity of Nevada, RenoTreatments: Varenicline