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NCT04978428 · ClinicalTrials.gov registry record · Phase 2

Epidiolex in Obsessive Compulsive Disorder and Related Disorders

A Phase 2 study, sponsored by University of Chicago.

Completed
Registry status
Phase 2
Development phase
4
Enrollment target

NCT04978428: Completed Phase 2 study, sponsored by University of Chicago.

NCT04978428 is a Phase 2 study that has completed, run by University of Chicago. The registered enrollment target is 4 participants, below the 133-participant average among 30,622 other Phase 2 trials with a reported enrollment target (97% lower). According to ClinicalTrials.gov, the official US trial registry.

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The verdict

NCT04978428, a Phase 2 study, has completed, sponsored by University of Chicago.

COMPLETED
Registry status
Phase 2
Development phase
4 participants
Enrollment target

Study 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.

Primary Outcome

The primary outcome measure will be the change from baseline using the Yale Brown Obsessive Compulsive Scale (YBOCS). The YBOCS is a 10-item scale that assesses OCD symptoms during the last seven days. The first five items comprise the urge/thought subscale and items 6-10 comprise the behavior subscale. The change in scores from baseline to Week 2 will be reported. The scores from the subscales are summed together to reach a total score. The scale ranges from 0-40 with higher scores reflecting m

Interventions

  • DRUG Cannabidiol

Trial Details

FieldValue
Enrollment Target 4 participants
Start Date 2022-04-14
Est. Completion 2025-11-01
Phase Phase 2
University of Chicago

796 total trials

What the finished NCT04978428 record still lists

NCT04978428 is an interventional study that assigns participants to a tested intervention. The registry caps enrollment at 4 participants, a relatively small participant target, below the 133-participant average among 30,622 other Phase 2 trials with a reported enrollment target (97% lower).

The record links to 0 conditions, and to 1 intervention - of which Cannabidiol is the first listed.

NCT04978428 does not publish any study locations in the registry export this page uses.

Frequently Asked Questions

What is clinical trial NCT04978428 about?

NCT04978428 is a clinical study titled "Epidiolex in Obsessive Compulsive Disorder and Related Disorders". 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.

What is the current status of trial NCT04978428?

This trial is currently completed. It is a Phase 2 study. The enrollment target is 4 participants. The study started on 2022-04-14. Estimated completion is 2025-11-01.

What interventions are being tested in trial NCT04978428?

The interventions under investigation include: Cannabidiol (DRUG).

Who is sponsoring clinical trial NCT04978428?

This trial is sponsored by University of Chicago, which has 796 total clinical trials registered on ClinicalTrials.gov.

How this trial's enrollment target compares

Where NCT04978428's enrollment target sits among peer trials

4 2001st of 2000 the lowest of 2,000 other Phase 2 trials

participants (enrollment target), bucketed by value

Each bar is a band; taller bars hold more other Phase 2 trials. The dashed line + filled bar mark this entry. Hover or tap any bar for its full count and share, and where it sits relative to this entry.

Source ClinicalTrials.gov registry export · 2026-08-08

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Source: ClinicalTrials.gov NCT04978428, the US trial registry maintained by the National Library of Medicine. NCT04978428 (small enrollment · none site footprint · completed) retrieved and formatted by PlainTrial, see methodology.