Overview Efficacy and Safety of Tetrabenazine in Chorea Status: Completed Trial end date: 1969-12-31 Target enrollment: Participant gender: Summary The primary objective of this study was to establish the absolute reduction of chorea in participants with Huntington's disease(HD) treated with tetrabenazine or placebo Phase: Phase 3 Details Lead Sponsor: Prestwick PharmaceuticalsTreatments: Tetrabenazine