Overview Pilot Study of Varenicline to Treat Opioid Dependence Status: Completed Trial end date: 2012-12-01 Target enrollment: Participant gender: Summary The objective of this proposal is to explore the potential of varenicline as a pharmacotherapeutic agent for opioid dependence and addiction. Phase: Phase 1 Details Lead Sponsor: Mayo ClinicTreatments: Analgesics, OpioidVarenicline