Overview Buprenorphine Maintenance Protocol - 1 Status: Completed Trial end date: 1993-09-01 Target enrollment: Participant gender: Summary The purpose of this study is to compare the efficacy of buprenorphine versus methadone. Phase: Phase 3 Details Lead Sponsor: University of California, Los AngelesCollaborator: National Institute on Drug Abuse (NIDA)Treatments: Buprenorphine