Could a Parkinson's drug tame OCD?
NCT ID NCT05624528
First seen Jun 27, 2026 · Last updated Jun 27, 2026
Summary
This study tests whether tolcapone, a drug used for Parkinson's disease, can reduce symptoms of obsessive-compulsive disorder (OCD) in adults. About 49 people with moderate to severe OCD will receive either tolcapone or a placebo. The main goal is to see if the drug safely lowers OCD severity and improves quality of life.
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Conditions
The condition(s) this trial relates to.
As listed by the trial registrant
The condition terms exactly as the trial's registrant entered them.
Contacts and locations
Locations
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University of Chicago Medical Center
Chicago, Illinois, 60637, United States
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