Independent directory Public ClinicalTrials.gov records United States
Clear filters
ClinicalTrials.gov public records Last synced Sep 2, 2026, 9:24 AM EDT

Data is sourced from official ClinicalTrials.gov public API records. Always review the official ClinicalTrials.gov record for the latest information.

Showing 1–7 of 7 matching trials from the live ClinicalTrials.gov search.
Local D1 index available.
Completed Phase 3 Interventional Results available

Alternatives for Reducing Chorea in Huntington Disease

NCT01897896
Conditions
Chorea Associated With Huntington Disease
Interventions
SD-809
Drug
Lead sponsor
Auspex Pharmaceuticals, Inc.
Industry
Eligibility
18 Years and older
Enrollment
119 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2013 – 2017
U.S. locations
34
States / cities
Birmingham, Alabama • Phoenix, Arizona • Fayetteville, Arkansas + 30 more
Completed Phase 3 Interventional Results available

First Time Use of SD-809 in Huntington Disease

NCT01795859
Conditions
Chorea
Interventions
SD-809, Placebo
Drug
Lead sponsor
Teva Branded Pharmaceutical Products R&D, Inc.
Industry
Eligibility
18 Years and older
Enrollment
90 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2013 – 2014
U.S. locations
37
States / cities
Birmingham, Alabama • Phoenix, Arizona • Fayetteville, Arkansas + 33 more
Conditions
Chorea, Huntington
Interventions
Valbenazine, Placebo
Drug
Lead sponsor
Neurocrine Biosciences
Industry
Eligibility
18 Years to 75 Years
Enrollment
128 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2019 – 2021
U.S. locations
42
States / cities
Birmingham, Alabama • Little Rock, Arkansas • La Jolla, California + 37 more
Conditions
Huntington's Disease
Interventions
Not listed
Lead sponsor
Ohio State University
Other
Eligibility
18 Years and older
Enrollment
11 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2010 – 2013
U.S. locations
1
States / cities
Columbus, Ohio
Conditions
Huntington's Disease
Interventions
Tetrabenazine
Drug
Lead sponsor
William Ondo, MD
Other
Eligibility
18 Years to 80 Years
Enrollment
20 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2018 – 2023
U.S. locations
1
States / cities
Houston, Texas
Completed No phase listed Observational

YouScript IMPACT Registry

NCT02191358
Conditions
Adverse Drug Events, Adverse Drug Reactions, Drug Interaction Potentiation, Drug Metabolism, Poor, CYP2D6-RELATED, Drug Metabolism, Poor, CYP2C19-RELATED, Cytochrome P450 Enzyme Deficiency, Cytochrome P450 CYP2D6 Enzyme Deficiency, Cytochrome P450 CYP2C9 Enzyme Deficiency, Cytochrome P450 CYP2C19 Enzyme Deficiency, Cytochrome P450 CYP3A Enzyme Deficiency, Poor Metabolizer Due to Cytochrome P450 CYP2C9 Variant, Poor Metabolizer Due to Cytochrome P450 CYP2C19 Variant, Poor Metabolizer Due to Cytochrome P450 CYP2D6 Variant
Interventions
Not listed
Lead sponsor
Genelex Corporation
Industry
Eligibility
65 Years and older
Enrollment
800 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2014 – 2015
U.S. locations
7
States / cities
Garden Grove, California • Denver, Colorado • Lexington, Kentucky + 3 more
Completed Phase 4 Interventional Results available

Effect of Tetrabenazine on Stroop Interference in HD

NCT01834911
Conditions
Huntington Disease
Interventions
Tetrabenazine withdrawal
Drug
Lead sponsor
New York Medical College
Other
Eligibility
18 Years and older
Enrollment
2 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2013 – 2018
U.S. locations
1
States / cities
New York, New York