A Study to Evaluate 3 Dose Levels of Luvadaxistat of Adults With Negative Symptoms of Schizophrenia
Public ClinicalTrials.gov record NCT03382639. 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 2, 12-Week, Randomized, Double-Blind, Placebo-Controlled, Parallel Study to Evaluate Efficacy, Safety, Tolerability, and Pharmacokinetics of 3 Dose Levels of TAK-831 in Adjunctive Treatment of Adult Subjects With Negative Symptoms of Schizophrenia
Study identification
- NCT ID
- NCT03382639
- Recruitment status
- Completed
- Study type
- Interventional
- Phase
- Phase 2
- Lead sponsor
- Neurocrine Biosciences
- Industry
- Enrollment
- 256 participants
Conditions and interventions
Conditions
Interventions
- Luvadaxistat Drug
- Placebo Drug
Drug
Eligibility (public fields only)
- Age range
- 18 Years to 60 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
- Jan 3, 2018
- Primary completion
- Dec 28, 2020
- Completion
- Jan 11, 2021
- Last update posted
- Feb 27, 2024
2018 – 2021
United States locations
- U.S. sites
- 16
- U.S. states
- 10
- U.S. cities
- 16
| Facility | City | State | ZIP | Site status |
|---|---|---|---|---|
| Collaborative Neuroscience Network, LLC | Garden Grove | California | 92845 | — |
| Synergy Clinical Research Center | Lemon Grove | California | 91945 | — |
| Semel Institute for Neuroscience and Human Behavior | Los Angeles | California | 90048 | — |
| Excell Research | Oceanside | California | 92056 | — |
| NRC Research Institute | Orange | California | 92868 | — |
| Artemis Institute for Clinical Research, LLC | San Diego | California | 92103 | — |
| Connecticut Mental Health Center - Yale University | New Haven | Connecticut | 06519 | — |
| Atlanta Center for Medical Research | Atlanta | Georgia | 30331 | — |
| Augusta University | Augusta | Georgia | 30912 | — |
| The Dr. Alan & Diane Breier Prevention and Recovery Center for Early Psychosis | Indianapolis | Indiana | 46202 | — |
| Center for Behavioral Health, LLC | Gaithersburg | Maryland | 20877 | — |
| Cherry Health | Grand Rapids | Michigan | 49503 | — |
| Manhattan Psychiatric Center | New York | New York | 10027 | — |
| Research Strategies of Memphis, LLC | Memphis | Tennessee | 38119 | — |
| Community Clinical Research, Inc. | Austin | Texas | 78754 | — |
| Core Clinical Research | Everett | Washington | 98201 | — |
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 38 non-U.S. sites.
About this trial record page
- What this page shows
- Public field values for ClinicalTrials.gov record NCT03382639, 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 Feb 27, 2024 · Synced Jun 25, 2026
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Open the official record
The complete protocol, eligibility criteria, and contact information for NCT03382639 live on ClinicalTrials.gov.