Overview Drug Treatment for Pathologic Gambling Disorder Status: Completed Trial end date: 2005-11-01 Target enrollment: Participant gender: Summary This study will establish the best dose of the drug naltrexone to treat patients with Pathological Gambling Disorder (PGD) and severe urge symptoms. Phase: Phase 3 Details Lead Sponsor: University of ChicagoCollaborator: National Institute of Mental Health (NIMH)Treatments: Naltrexone