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Obsessive-Compulsive Disorder clinical trials recruiting in the U.S.

46 studies for Obsessive-Compulsive Disorder are recruiting participants at sites across the United States.

People with obsessive-compulsive disorder (OCD) suffer from frequent, upsetting thoughts called obsessions. Read about the treatments available.

Cities with the most studies

• Mountain View, CA6 studies
• New York City, NY4 studies
• Houston, TX4 studies
• Cambridge, MA3 studies
• Boston, MA3 studies
• New Haven, CT3 studies
• Philadelphia, PA3 studies
• San Francisco, CA3 studies

By state

• California12 studies
• Connecticut3 studies
• Massachusetts6 studies
• New York5 studies
• Pennsylvania3 studies
• Texas6 studies

Recently updated studies

From ClinicalTrials.gov, data retrieved Oct 5, 2026. Each study sets its own eligibility; the study team decides who can join.