CI

At a glance

ClinicalIndex Comparison Record
Phase 2Active· 49 enrolled
Drug / intervention
Tolcapone +1 moredrug
Likely dose
Not stated in record
Structured eligibility isn't available for this trial yet — see the full criteria in the Eligibility tab below.

Standardized by ClinicalIndex from the ClinicalTrials.gov record · verify against the source.

Search/NCT05624528
NCT05624528Phase 2Active

A Double-Blind, Randomized, Placebo-Controlled Study of Tolcapone for OCD

University of Chicago·interventional·Posted Nov 22, 2022·Updated Jun 10, 2026

In Brief

A Phase 2 clinical trial evaluating Tolcapone and Placebo for Obsessive-Compulsive Disorder and OCD. Active but no longer recruiting, targeting 49 participants across 1 site.

Detailed Summary

The primary aim of the present study is to examine the efficacy and safety of tolcapone in adults with moderate to severe OCD.

Study Details

Study Typeinterventional
Allocation--
Masking--
Primary Purpose--
CountriesUnited States
Collaborators--

Timeline

Phase 2ActiveOverdue
2023202420252026
First PostedNov 22, 2022
Enrollment StartJun 22, 2023
Primary CompletionJun 1, 2026
TodayJul 1, 2026
Enrollment to primary: 2.9 yearsPosted 3.6 years ago

Interventions

Tolcaponedrug

catechol-O-methyl transferase inhibitor

Placebodrug

Pill that contains no medicine