Reducing Involuntary Movements in Participants With Tardive Dyskinesia

Summary

The purpose of this study is to evaluate the long-term safety, tolerability, and efficacy of SD-809 in reducing the severity of abnormal involuntary movements of moderate to severe tardive dyskinesia. The purpose of part B is to establish the durability of effect of SD-809 following 1-week period of randomized withdrawal (SD-809 and placebo), followed by 12 weeks of maintenance with SD-809.

Timeline

Start

2014-10-20

Primary completion

2019-12-06

Completion

2020-12-14

Outcome

Missed primary endpoint

registry p = 0.121; Least Square (LS) Mean Difference -0.6 (95% CI -1.42 to 0.17) NCT02198794 ↗

Publications

• Frank S, Anderson KE, Fernandez HH, Hauser RA, Claassen DO, Stamler D, Factor SA, Jimenez-Shahed J, Barkay H, Wilhelm A, Alexander JK, Chaijale N, Barash S, Savola JM, Gordon MF, Chen M. Safety of Deutetrabenazine for the Treatment of Tardive Dyskinesia and Chorea Associated with Huntington Disease. Neurol Ther. 2024 Jun;13(3):655-675. doi: 10.1007/s40120-024-00600-1. Epub 2024 Apr 1.
• Fernandez HH, Stamler D, Davis MD, Factor SA, Hauser RA, Jimenez-Shahed J, Ondo WG, Jarskog LF, Woods SW, Bega D, LeDoux MS, Shprecher DR, Anderson KE. Long-term safety and efficacy of deutetrabenazine for the treatment of tardive dyskinesia. J Neurol Neurosurg Psychiatry. 2019 Dec;90(12):1317-1323. doi: 10.1136/jnnp-2018-319918. Epub 2019 Jul 10.

Drugs

Indications