Overview Neurobiology of Opioid Dependence: 3 - 3 Status: Withdrawn Trial end date: 1998-01-01 Target enrollment: 0 Participant gender: Male Summary The purpose of this study is to study the effects of cycloserine on naloxone-precipitated opiate withdrawal. Phase: Phase 2Accepts Healthy Volunteers? No Details Lead Sponsor: Yale UniversityCollaborator: National Institute on Drug Abuse (NIDA)Treatments: Analgesics, OpioidCycloserine Criteria Please contact site for information.