CI

At a glance

ClinicalIndex Comparison Record
Phase 2Completed· 4 enrolled
Drug / intervention
Cannabidioldrug
Likely dose
Cannabidiol 2.5 mg/kgfrom 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/NCT04978428
NCT04978428Phase 2Completed

An Open-Label Trial of Epidiolex in the Treatment of Obsessive Compulsive Disorder and Related Disorders: Proof of Concept Study

University of Chicago·interventional·Posted Jul 27, 2021·Updated Feb 13, 2026

In Brief

A Phase 2 clinical trial evaluating Cannabidiol for Obsessive-Compulsive Disorder and 3 related conditions. Completed, enrolled 4 participants across 1 site.

Detailed Summary

The primary objective of the proposed study is to evaluate the safety and efficacy of Epidiolex (cannabidiol) in adults with obsessive compulsive and related disorders (OCRDs). Subjects will be treated in an open-label fashion with Epidiolex for two weeks.

Study Details

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

Timeline

Phase 2CompletedFinished
20222023202420252026
First PostedJul 27, 2021
Enrollment StartApr 14, 2022
Primary CompletionNov 1, 2025
TodayJul 1, 2026
Enrollment to primary: 3.5 yearsPosted 4.9 years ago

Interventions

Cannabidioldrug

Epidiolex oral solution (2.5 mg/kg and 5 mg/kg)