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Study identifier: NCT04708834 Synced from ClinicalTrials.gov · August 08, 2026
● Study status: Terminated

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

Condition: Obsessive Compulsive Disorder  ·  Sponsor: Biohaven Pharmaceuticals, Inc.

PhasePhase 3
Planned participants772
Who can joinAll sexes, 18 Years to 65 Years
Healthy volunteersNoCheck eligibility criteria ↓
Where175 locations · 6 countries

Sponsor, CRO or site team? See where this study is running → — listed sites, countries and recruiting context. Everything below is written for patients and caregivers.

About this study

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).

This description comes directly from the study's public registry record.

Talk to the study team

No contact information is available for this study as per the public registry record.

Always discuss trial participation with your own doctor first.

Full eligibility criteria (exactly as the study team wrote them)

Key Inclusion Criteria: * Eligible subjects are those subjects who complete study BHV4157-302 or BHV4157-303 and for whom the investigator believes open-label treatment offers an acceptable risk-benefit profile. * Determined by the investigator to be medically stable at the week 10 visit of BHV4157-302 or BHV4157-303, as assessed by medical history, physical examination, laboratory test results, and electrocardiogram testing. * It is required that all women of child-bearing potential (WOCBP) who are sexually active agree to use two methods of contraception for the duration of the study Key Exclusion Criteria: * Subjects who did not successfully complete 10 weeks of treatment in the BHV4157-302 or BHV4157-303 study. * Acute suicidality or suicide attempt or self injurious behavior in the last 12 months. * Patients who may have received a non-biological investigational agent in any clinical trial within 30 days or a biological agent within 90 days prior to entry, other than what was received in BHV4157-302 or BHV4157-303;

Reproduced word-for-word from the public registry record — the study team can answer questions about it.

Locations (175)

Metropolitan Neuro Behavioral InstituteChandler, Arizona, United States
Alea ResearchPhoenix, Arizona, United States
NoeisisPharma, LLCPhoenix, Arizona, United States
Atria Clinical ResearchLittle Rock, Arkansas, United States
Advanced Research Center, Inc.Anaheim, California, United States
CITrials (Clinical Innovations)Bellflower, California, United States
Southern California Research, LLCBeverly Hills, California, United States
Axiom Research, LLCColton, California, United States
Global Clinical TrialsCosta Mesa, California, United States
ProScience Research GroupCulver City, California, United States
WR-PRI, LLC (Encino)Encino, California, United States
Behavioral Research Specialists, LLCGlendale, California, United States

+ 163 more locations — full list on the registry record.

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