Clinical trial Recruiting at 1 site Early Phase 1 Interventional Ages 17 to 35

Using light therapy to help young adults with OCD

Official title: Light Therapy for Obsessive-compulsive Disorder: A Circadian Medicine Approach

Run by Washington University School of Medicine · NCT06720090 · Data updated 2026-11-12

This study is testing whether wearing light therapy glasses for an hour each morning can help young adults with OCD who stay up late feel better and improve their sleep patterns.

Quick facts

PhaseEarly Phase 1
Study typeInterventional
Ages17 Years to 35 Years
SexAll
Enrollment40 (estimated)
SponsorWashington University School of Medicine
Academic / other
Locations1 site (St Louis, Missouri)
StatusRecruiting
StartedDecember 16, 2024
Main results expectedMarch 2029
Study endsMarch 2029
Registry record updatedAugust 18, 2026
Trial IDNCT06720090 on ClinicalTrials.gov

Is this trial a fit for you?

Likely a good fit

Ideal candidates for this study are young adults aged 18-35 with a primary diagnosis of OCD and late bedtimes of 1am or later.

Probably not a fit

Patients who are currently participating in other research studies or have certain medical conditions or lifestyle factors may not benefit from this study.

A plain-English reading of the study's rules. Only the study team can confirm whether you qualify.

What this trial studies

This clinical trial aims to evaluate the effectiveness of light therapy in reducing symptoms of obsessive-compulsive disorder (OCD) in young adults who have late bedtimes. Participants will wear light therapy glasses for one hour each morning over a five-week period and track their sleep patterns using a wearable monitor and electronic diary. The study will also assess the impact of different doses of light therapy on symptom reduction and circadian rhythm adjustments. Self-report measures of OCD symptoms will be collected multiple times throughout the study to gauge changes in severity.

Why it matters

Potential benefit: If successful, this approach could provide a novel, non-invasive treatment option for young adults suffering from OCD.

How similar studies have gone: While light therapy has been explored for various conditions, this specific application for OCD in young adults is relatively novel and has not been extensively tested.

Who can join: the full rules

Show full inclusion / exclusion criteria
Inclusion Criteria:

1. Primary DSM-5 OCD diagnosis
2. Bedtime 0100 or later
3. Age 18-35
4. English speaking

Exclusion Criteria:

1. Subjects must not be currently participating in another research study that would influence their participation in our study.
2. Diagnostic status
3. Treatment status
4. Night shift work or travel more than 1 time zone outside of Central Standard Time (CST) in the past month
5. Pregnancy status
6. Medication status
7. Regular nicotine or marijuana use

Where it's running

  • Washington University
    St Louis, Missouri, United States
    Recruiting

Study contacts

  • Principal investigator: Rebecca Cox, PhD — Washington University School of Medicine
  • Study coordinator: Rebecca Cox, BA
  • Email: scraplab@wustl.edu
  • Phone: 314-935-8111

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How to take part

  1. Review the eligibility criteria above with your treating physician.
  2. Check the official listing on ClinicalTrials.gov for the latest contact details and recruitment status.
  3. Contact the study coordinator or principal investigator to ask for pre-screening. Pre-screening is free and never obligates you to enroll.
Last reviewed 2026-11-14 by the Find a Trial editorial team. Information on this page is for educational purposes and is not medical advice. Always consult qualified healthcare professionals about clinical trial participation.