Overview Interactions Between Intravenous (IV) Cocaine and Lofexidine Status: Terminated Trial end date: 2011-03-01 Target enrollment: Participant gender: Summary The purpose of this study is to assess potential interactions between intravenous (IV) cocaine and treatment with lofexidine. Phase: Phase 1 Details Lead Sponsor: National Institute on Drug Abuse (NIDA)Treatments: ClonidineCocaineLofexidine