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Terminated Phase 3 Interventional

Long-term Safety Study of Adjunctive Troriluzole in Subjects With Obsessive Compulsive Disorder

ClinicalTrials.gov ID: NCT04708834

Public ClinicalTrials.gov record NCT04708834. 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.

ClinicalTrials.gov public records Last synced Sep 9, 2026, 10:32 PM EDT

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

Official title

A Multicenter, Long-Term Open-Label Safety Study of Adjunctive Troriluzole in Subjects With Obsessive Compulsive Disorder

Brief summary

Reproduced verbatim from the official ClinicalTrials.gov record. Not medical advice.

The purpose of the study is to evaluate the long term safety and tolerability of troriluzole as adjunctive therapy in subjects with obsessive compulsive disorder (OCD).

Study identification

NCT ID
NCT04708834
Recruitment status
Terminated
Study type
Interventional
Phase
Phase 3
Lead sponsor
Biohaven Pharmaceuticals, Inc.
Industry
Enrollment
772 participants

Conditions and interventions

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
Mar 29, 2021
Primary completion
Feb 12, 2026
Completion
Feb 12, 2026
Last update posted
Feb 24, 2026

2021 – 2026

United States locations

U.S. sites
147
U.S. states
28
U.S. cities
122
Facility City State ZIP Site status
Metropolitan Neuro Behavioral Institute Chandler Arizona 85226
Alea Research Phoenix Arizona 85012
NoeisisPharma, LLC Phoenix Arizona 85016
Atria Clinical Research Little Rock Arkansas 72209
Advanced Research Center, Inc. Anaheim California 92805
CITrials (Clinical Innovations) Bellflower California 90706
Southern California Research, LLC Beverly Hills California 90210
Axiom Research, LLC Colton California 92324
Global Clinical Trials Costa Mesa California 92627
ProScience Research Group Culver City California 90230
WR-PRI, LLC (Encino) Encino California 91316
Behavioral Research Specialists, LLC Glendale California 91206
Sun Valley Research Center, Inc. Imperial California 92251
Om Research LLC Lancaster California 93534
Synergy Research San Diego Lemon Grove California 91945
Alliance for Research Long Beach California 90807
Pharmacology Research Institute Los Alamitos California 90720
CalNeuro Research Group Los Angeles California 90024
Clarity Clinical Research Los Angeles California 90064
Pharmacology Research Institute (WR-PRI, LLC) Newport Beach California 92660
Pacific Research Partners Oakland California 94607
North County Clinical Research Oceanside California 92054
Excell Research, Inc Oceanside California 92056
NRC Research Institute Orange California 92688
Anderson Clinical Research Redlands California 92374
CI Trials Riverside California 92506
ACRC Studies San Diego California 92119
Lumos Clinical Research Center, LLC San Jose California 95124
National Research Institute Santa Ana California 92704
California Neuroscience Research Medical Group, Inc Sherman Oaks California 91403
Stanford University Stanford California 94305
Collaborative Neuroscience Research Torrance California 90502
Pacific Clinical Research Medical Group Upland California 91786
Mountain View Clinical Research Denver Colorado 80209
Institute of Living / Hartford Hospital Hartford Connecticut 06106
Yale University New Haven Connecticut 06519
Coastal Connecticut Research, LLC New London Connecticut 06320
Comprehensive Psychiatric Care Norwich Connecticut 06360
Topaz Clinical Research Apopka Florida 32703
Boca Raton Medical Institute Boca Raton Florida 33431
Advanced Clinical Research Network Coral Gables Florida 33134
CNS Research of Coral Springs Coral Springs Florida 33067
Gulfcoast Clinical Research Center Fort Myers Florida 33912
University of Florida Department of Psychiatry Gainesville Florida 32606
Qway Research, LLC Hialeah Florida 33010
Research in Miami Inc Hialeah Florida 33013
Health Care Family Rehab & Research Hialeah Florida 33015
Galiz Research Hialeah Florida 33016
Clinical Neuroscience Solutions, Inc Jacksonville Florida 90024
Accel Research Sites (formerly Meridien Research) Lakeland Florida 33803
Innovative Clinical Research, Inc. Lauderhill Florida 33319
Pharmaceutical Research Center, Inc. Lutz Florida 33548
ClinCloud, LLC Maitland Florida 32751
Meridien Research Maitland Florida 32751
Central Miami Medical Institute Miami Florida 33125
Clintex Research Miami Florida 33135
Sanchez Clinical Research Inc Miami Florida 33157
Med-Care Research Miami Florida 33165
FIRC Miami Florida 33173
Florida Research Center, Inc. Miami Florida 33174
Ezy Medical Research, Co. Miami Florida 33175
Miami Dade Medical Research Institute Miami Florida 33176
Pro-Care Research Center Miami Gardens Florida 33014
South Florida Research Phase I-IV, Inc. Miami Springs Florida 33166
Advanced Research for Health Improvement Naples Florida 34102
Bayside Clinical Research, LLC New Port Richey Florida 34655
Bravo Health Care Center North Bay Village Florida 33141
Behavioral Clinical Research North Miami Florida 33161
Harmony Clinical Research North Miami Beach Florida 33162
Medical Research Group of Central Florida Orange City Florida 32763
APG Research, LLC Orlando Florida 32803
Combined Research Orlando Phase I-IV Orlando Florida 32807
Omega Research Consultants Orlando Florida 32808
IMIC Inc Palmetto Bay Florida 33157
MedBio Trials Pembroke Pines Florida 33026
DMI Research Pinellas Park Florida 33782
Lenus Research & Medical Group, LLC Sweetwater Florida 33172
Stedman Clinical Trials Tampa Florida 33613
Olympian Clinical Research Tampa Florida 33614
Conquest Research LLC Winter Park Florida 32789
NeuroTrials Research Inc Atlanta Georgia 30328
iResearch Atlanta, LLC Decatur Georgia 30030
iResearch Savannah Savannah Georgia 31405
Renew Health Clinical Research, LLC Snellville Georgia 30078
Northwest Clinical Trials Boise Idaho 83704
Uptown Research Institute Chicago Illinois 60640
University of Chicago Department of Psychiatry & Behavioral Neuroscience Chicago Illinois 91786
Revive Research Institute Elgin Illinois 60123
Capstone Clinical Research Libertyville Illinois 60048
AMR-Baber Research, Inc Naperville Illinois 60563
Collective Medical Research Prairie Village Kansas 66208
Northern Light Acadia Hospital Bangor Maine 04401
CBH Health Gaithersburg Maryland 20877
Pharmasite Research, Inc. Pikesville Maryland 21208
Continental Clinical Solutions, LLC Towson Maryland 21204
Massachusetts General Hospital Boston Massachusetts 02114
Boston Clinical Trials Boston Massachusetts 02131
ActivMed Practices and Research Methuen Massachusetts 01844
Sisu at RMG Springfield Massachusetts 01103
Adams Clinical Watertown Massachusetts 02472
Michigan Clinical Research Institute PC Ann Arbor Michigan 48105
Precise Research Centers Flowood Mississippi 39232
Psychiatric Care and Research Center O'Fallon Missouri 63368
PsychCare Consultants Research St Louis Missouri 63128
Boeson Research Missoula Montana 59804
Altea Research Las Vegas Nevada 89102
Hassman Research Institute Berlin New Jersey 08009
Center for Emotional Fitness Cherry Hill New Jersey 08002
Bio Behavioral Health Toms River New Jersey 08755
Integrative Clinical Trials, LLC Brooklyn New York 11229
SPRI Clinical Trials, LLC Brooklyn New York 11235
Neurobehavioral Research, Inc Cedarhurst New York 11516
Bio Behavioral Institute Great Neck New York 11021
Bioscience Research, LLC Mount Kisco New York 10549
Hapworth Research New York New York 10019
New York State Psychiatric Institute New York New York 10032
Manhattan Behavioral Medicine, PLLC New York New York 10036
Finger Lakes Clinical Research Rochester New York 14618
Richmond Behavioral Associates Staten Island New York 10312
Carolina Institute for Clinical Research Fayetteville North Carolina 28303
Clinical Inquest Center, Ltd Beavercreek Ohio 45431
NeuroScience Research Center, LLC. Canton Ohio 44718
CTI Clinical Research Center Cincinnati Ohio 45212
Midwest Clinical Research Center Dayton Ohio 45417
IPS Research Oklahoma City Oklahoma 73106
Central States Research, LLC Tulsa Oklahoma 74136
Lehigh Center for Clinical Research Allentown Pennsylvania 18104
Suburban Research Associates Media Pennsylvania 19063
University of Pennsylvania Philadelphia Pennsylvania 19104
Coastal Carolina Research Center Mt. Pleasant South Carolina 29464
BioBehavioral Research of Austin Austin Texas 78759
Inquest Clinical Research Baytown Texas 77521
DiscoveResearch, Inc. (DRI) Bryan Texas 77802
FutureSearch Trials of Dallas, LP Dallas Texas 75231
Relaro Medical Trials Dallas Texas 75243
InSite Clinical Research DeSoto Texas 75115
North Texas Clinical Trials Fort Worth Texas 76104
Baylor College of Medicine Houston Texas 77030
Clinical Trial Network Houston Texas 77074
Texas Center for Drug Development, Inc. Houston Texas 77081
SMS Clinical Research Mesquite Texas 75149
Mt.Olympus Medical Research LLC Missouri City Texas 77459
AIM Trials Plano Texas 75093
Clinical Trials of Texas, Inc. San Antonio Texas 78229
Grayline Research Center Wichita Falls Texas 76309
Woodstock Research Center Woodstock Vermont 05091
Northwest Clinical Research Center Bellevue Washington 98007

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 28 non-U.S. sites.

About this trial record page

What this page shows
Public field values for ClinicalTrials.gov record NCT04708834, 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 24, 2026 · Synced Sep 9, 2026

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Open the official record

The complete protocol, eligibility criteria, and contact information for NCT04708834 live on ClinicalTrials.gov.

View official ClinicalTrials.gov record →