Overview Cocaine-Metyrapone Interaction Study - 1 Status: Unknown status Trial end date: 2002-05-01 Target enrollment: Participant gender: Summary The purpose of this study is to examine the safety of two consecutive days of metyrapone (MRP) in subjects who may use cocaine concurrently. Phase: Phase 1 Details Lead Sponsor: National Institute on Drug Abuse (NIDA)Collaborator: Cincinnati VA Medical CenterTreatments: CocaineMetyrapone