Overview Nalmefene Gambling Study: Study of Nalmefene HCl in the Treatment of Pathological Gambling Status: Completed Trial end date: 2006-08-01 Target enrollment: Participant gender: Summary The purpose of this study is to determine if nalmefene is safe and effective in the treatment of pathological gambling. Phase: Phase 2/Phase 3 Details Lead Sponsor: Somaxon PharmaceuticalsTreatments: NalmefeneNaltrexone