Overview Naltrexone for Impulse Control Disorders in Parkinson's Disease Status: Completed Trial end date: 2012-12-01 Target enrollment: Participant gender: Summary This study will evaluate the effectiveness of naltrexone in reducing ICD symptoms in Parkinson's disease patients taking a dopamine agonist. Phase: Phase 4 Details Lead Sponsor: University of PennsylvaniaCollaborator: Michael J. Fox Foundation for Parkinson's ResearchTreatments: Naltrexone