First Time Use of SD-809 in Huntington Disease (First-HD)
The purpose of this study is to determine whether SD-809 ER tablets are effective in the treatment of chorea associated with Huntington's Disease.
|Study Design:||Allocation: Randomized
Endpoint Classification: Safety/Efficacy Study
Intervention Model: Parallel Assignment
Masking: Double Blind (Subject, Caregiver, Investigator, Outcomes Assessor)
Primary Purpose: Treatment
|Official Title:||A Randomized Double Blind, Placebo Controlled Study of SD-809 Extended Release for the Treatment of Chorea Associated With Huntington Disease|
- Total Maximal Chorea Score (TMC) [ Time Frame: 12 weeks ] [ Designated as safety issue: No ]
- Treatment Success at the end of therapy as measured by the Patient Global Impression of Change (PGIC) [ Time Frame: 12 weeks ] [ Designated as safety issue: No ]
- Treatment success at the end of therapy based on Clinical Global Impression of Change (CGIC) [ Time Frame: 12 weeks ] [ Designated as safety issue: No ]
- Change in Short Form 36 Health Survey (SF-36) Physical component summary score [ Time Frame: 12 weeks ] [ Designated as safety issue: No ]
- Change in Berg Balance Test (BBT) [ Time Frame: 12 weeks ] [ Designated as safety issue: No ]
|Study Start Date:||July 2013|
|Study Completion Date:||November 2014|
|Primary Completion Date:||November 2014 (Final data collection date for primary outcome measure)|
|Experimental: SD-809 ER Tablets||
SD-809 tablets are available in three dose strengths: 6, 9 and 12 mg, all of which are identical in size, shape and color (white).
Other Name: deutetrabenazine
|Placebo Comparator: SD-809 Placebo||
Placebo tablets are identical in appearance to SD-809 tablets.
This is a randomized, double blind, placebo controlled, parallel group study designed to evaluate the efficacy, safety and tolerability of SD-809 ER for the treatment of chorea associated with Huntington's Disease. Approximately 90 subjects will be randomized (1:1) into the study, with approximately 45 subjects receiving SD-809 ER and 45 subjects receiving placebo. The study will be conducted at approximately 30 centers in the U.S. and Canada.
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