Persistence of Effect and Safety of Valbenazine for the Treatment of Tardive Dyskinesia
Public ClinicalTrials.gov record NCT03891862. Field values are reproduced from the official study page; the official ClinicalTrials.gov record remains the source of truth for eligibility, enrollment, and contact information.
Data is sourced from official ClinicalTrials.gov public API records. Always review the official ClinicalTrials.gov record for the latest information.
Official title
A Phase 4, Double-Blind, Placebo-Controlled, Randomized Withdrawal Study to Evaluate the Persistence of Effect and Safety of Valbenazine for the Treatment of Tardive Dyskinesia
Study identification
- NCT ID
- NCT03891862
- Recruitment status
- Completed
- Study type
- Interventional
- Phase
- Phase 4
- Lead sponsor
- Neurocrine Biosciences
- Industry
- Enrollment
- 135 participants
Conditions and interventions
Conditions
Interventions
- Valbenazine Drug
- Placebo oral capsule Drug
Drug
Eligibility (public fields only)
- Age range
- 18 Years to 85 Years
- Sex
- All
- Healthy volunteers
- Healthy volunteers not accepted
This page does not interpret eligibility. Detailed inclusion and exclusion criteria are on the official ClinicalTrials.gov record.
Study timeline
- Start date
- Mar 17, 2019
- Primary completion
- Dec 22, 2019
- Completion
- Jan 29, 2020
- Last update posted
- Apr 19, 2021
2019 – 2020
United States locations
- U.S. sites
- 42
- U.S. states
- 17
- U.S. cities
- 38
| Facility | City | State | ZIP | Site status |
|---|---|---|---|---|
| Neurocrine Clinical Site | Little Rock | Arkansas | 72211 | — |
| Neurocrine Clinical Site | Anaheim | California | 92804 | — |
| Neurocrine Clinical Site | Anaheim | California | 92805 | — |
| Neurocrine Clinical Site | Costa Mesa | California | 92627 | — |
| Neurocrine Clinical Site | Escondido | California | 92056 | — |
| Neurocrine Clinical Site | Fountain Valley | California | 92708 | — |
| Neurocrine Clinical Site | Glendale | California | 91206 | — |
| Neurocrine Clinical Site | La Habra | California | 90631 | — |
| Neurocrine Clinical Site | Lemon Grove | California | 91945 | — |
| Neurocrine Clinical Site | Norwalk | California | 90650 | — |
| Neurocrine Clinical Site | San Bernardino | California | 92408 | — |
| Neurocrine Clinical Site | San Diego | California | 92108 | — |
| Neurocrine Clinical Site | Torrance | California | 90502 | — |
| Neurocrine Clinical Site | Pueblo | Colorado | 81003 | — |
| Neurocrine Clinical Site | Hialeah | Florida | 33012 | — |
| Neurocrine Clinical Site | Hialeah | Florida | 33013 | — |
| Neurocrine Clinical Site | Hialeah | Florida | 33018 | — |
| Neurocrine Clinical Site | Miami | Florida | 33183 | — |
| Neurocrine Clinical Site | North Miami | Florida | 33161 | — |
| Neurocrine Clinical Site | Orlando | Florida | 32803 | — |
| Neurocrine Clinical Site | South Bend | Indiana | 46601 | — |
| Neurocrine Clinical Site | Bloomfield Hills | Michigan | 48302 | — |
| Neurocrine Clinical Site | East Lansing | Michigan | 48824 | — |
| Neurocrine Clinical Site | Grand Rapids | Michigan | 49503 | — |
| Neurocrine Clinical Site | Kansas City | Missouri | 64108 | — |
| Neurocrine Clinical Site | St Louis | Missouri | 63109 | — |
| Neurocrine Clinical Site | Lincoln | Nebraska | 68526 | — |
| Neurocrine Clinical Site | Las Vegas | Nevada | 89102 | — |
| Neurocrine Clinical Site | New York | New York | 10029 | — |
| Neurocrine Clinical Site | Beachwood | Ohio | 44122 | — |
| Neurocrine Clinical Site | Mason | Ohio | 45040 | — |
| Neurocrine Clinical Site | Oklahoma City | Oklahoma | 73112 | — |
| Neurocrine Clinical Site | Conshohocken | Pennsylvania | 19428 | — |
| Neurocrine Clinical Site | Scranton | Pennsylvania | 18503 | — |
| Neurocrine Clinical Site | Franklin | Tennessee | 37067 | — |
| Neurocrine Clinical Site | DeSoto | Texas | 75115 | — |
| Neurocrine Clinical Site | Houston | Texas | 44030 | — |
| Neurocrine Clinical Site | Houston | Texas | 77058 | — |
| Neurocrine Clinical Site | Irving | Texas | 75062 | — |
| Neurocrine Clinical Site | Richmond | Texas | 77407 | — |
| Neurocrine Clinical Site | Petersburg | Virginia | 23805 | — |
| Neurocrine Clinical Site | Spokane | Washington | 99202 | — |
Site contact phone numbers, emails, and investigator names are intentionally not displayed here. Open the official ClinicalTrials.gov record for site contact information.
Non-U.S. locations
This page focuses on the U.S. directory. The official record also lists 1 non-U.S. site.
About this trial record page
- What this page shows
- Public field values for ClinicalTrials.gov record NCT03891862, including study identification, conditions, interventions, eligibility (age, sex, healthy volunteer), timeline, and U.S. site list.
- What this page does not do
- No medical advice, eligibility judgments, treatment recommendations, study quality scoring, or AI-generated medical summaries. No site contact phone numbers, emails, or investigator names.
- Where the data comes from
- Sourced from the official ClinicalTrials.gov public API. The official record is the source of truth.
- Last refresh
- Last update posted Apr 19, 2021 · Synced Jul 21, 2026
Related: full search, browse by condition, browse by drug or therapy, browse by sponsor, browse by U.S. city.
Open the official record
The complete protocol, eligibility criteria, and contact information for NCT03891862 live on ClinicalTrials.gov.