Overview Assessment of Potential Interactions Between Cocaine and Tolcapone - 1 Status: Unknown status Trial end date: 2002-03-01 Target enrollment: Participant gender: Summary The purpose of this study is to assess the potential interactions between intravenous (IV) cocaine and tolcapone. Phase: Phase 1 Details Lead Sponsor: National Institute on Drug Abuse (NIDA)Treatments: CocaineTolcapone