Chorea Associated With Huntington Disease Clinical Trial
Official title:
An Open-Label, Long Term Safety Study of SD-809 ER in Subjects With Chorea Associated With Huntington Disease
The purpose of this study is to evaluate the safety, tolerability, and pharmacokinetics of SD-809 extended release (ER) in participants switching from tetrabenazine to SD-809 ER. In addition, the safety and tolerability of long-term treatment with SD-809 ER will be assessed in "Switch" participants as well as "Rollover" participants completing a randomized, double blind, placebo-controlled study of SD-809 ER.
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