The Potential for Clinical Dependence and Withdrawal Symptoms Associated With Valbenazine
Public ClinicalTrials.gov record NCT03698331. 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, Randomized, Double-Blind, Placebo-Controlled Study to Evaluate the Potential for Clinical Dependence and Withdrawal Symptoms Associated With Valbenazine
Study identification
- NCT ID
- NCT03698331
- Recruitment status
- Completed
- Study type
- Interventional
- Phase
- Phase 4
- Lead sponsor
- Neurocrine Biosciences
- Industry
- Enrollment
- 89 participants
Conditions and interventions
Conditions
Interventions
- Valbenazine Drug
- Placebo oral capsule Drug
Drug
Eligibility (public fields only)
- Age range
- 18 Years to 65 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
- Sep 13, 2018
- Primary completion
- Apr 2, 2019
- Completion
- Apr 2, 2019
- Last update posted
- Jun 3, 2020
2018 – 2019
United States locations
- U.S. sites
- 16
- U.S. states
- 9
- U.S. cities
- 14
| Facility | City | State | ZIP | Site status |
|---|---|---|---|---|
| Neurocrine Clinical Site | Anaheim | California | 92804 | — |
| Neurocrine Clinical Site | Glendale | California | 91206 | — |
| Neurocrine Clinical Site | Norwalk | California | 90650 | — |
| Neurocrine Clinical Site | Oceanside | California | 92054 | — |
| Neurocrine Clinical Site | San Bernardino | California | 92108 | — |
| Neurocrine Clinical Site | Hialeah | Florida | 33012 | — |
| Neurocrine Clinical Site | Hialeah | Florida | 33013 | — |
| Neurocrine Clinical Site | Hialeah | Florida | 33018 | — |
| Neurocrine Clinical Site | Honolulu | Hawaii | 96817 | — |
| Neurocrine Clinical Site | Fort Wayne | Indiana | 46804 | — |
| Neurocrine Clinical Site | Ann Arbor | Michigan | 48105 | — |
| Neurocrine Clinical Site | Beechwood | Ohio | 44122 | — |
| Neurocrine Clinical Site | Oklahoma City | Oklahoma | 73112 | — |
| Neurocrine Clinical Site | Scranton | Pennsylvania | 18503 | — |
| Neurocrine Clinical Site | DeSoto | Texas | 75115 | — |
| Neurocrine Clinical Site | Irving | Texas | 75062 | — |
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 NCT03698331, 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 Jun 3, 2020 · Synced Jul 21, 2026
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Open the official record
The complete protocol, eligibility criteria, and contact information for NCT03698331 live on ClinicalTrials.gov.