Overview Study of Memantine to Treat Huntington's Disease Status: Completed Trial end date: 2009-10-28 Target enrollment: Participant gender: Summary To determine if memantine in doses of 10 mg BID affects memory, cognition, and behavior in patients with Huntington's disease (HD). Phase: Phase 4 Details Lead Sponsor: Jody Corey-Bloom, MD, PhDUniversity of California, San DiegoCollaborator: Forest LaboratoriesTreatments: Memantine