Morning bright light therapy for postpartum depression
Official title: Informing Implementation of a Circadian-Focused Intervention for Postpartum Depression
Run by University of Michigan · NCT07766161 · Data updated 2026-11-12
This study tests a wearable morning bright light device to see if it’s feasible and acceptable for people within six months after giving birth who have depressive symptoms.
Quick facts
| Study type | Interventional |
|---|---|
| Ages | 18 Years and up |
| Sex | Women only |
| Enrollment | 30 (estimated) |
| Sponsor | University of Michigan Academic / other |
| Locations | 1 site (Ann Arbor, Michigan) |
| Status | Recruiting |
| Started | July 29, 2026 |
| Main results expected | May 2027 |
| Study ends | May 2027 |
| Registry record updated | August 14, 2026 |
| Trial ID | NCT07766161 on ClinicalTrials.gov |
Is this trial a fit for you?
✓Likely a good fit
Ideal candidates are adults within six months postpartum with EPDS > 10 and without recent changes in psychotherapy or psychotropic medications.
✕Probably not a fit
Individuals with unmanaged retinal conditions, certain eye histories, epilepsy, or contraindicating medical conditions may not benefit from this intervention.
A plain-English reading of the study's rules. Only the study team can confirm whether you qualify.
What this trial studies
This is an open-label study using the Re-Timer wearable bright light device to deliver morning light therapy to individuals with postpartum depression. The trial aims to understand feasibility, acceptability, and how to implement morning bright light treatment in this population. Eligible participants are within six months of delivery and have an EPDS score greater than 10. No randomization or control group is involved, and the focus is on practical integration into care settings.
Why it matters
Potential benefit: If successful, the approach could offer a non-drug option to help alleviate postpartum depressive symptoms and inform future implementation in clinical practice.
How similar studies have gone: Prior work suggests light therapy can help mood disorders in other populations, but this specific implementation for postpartum depression is exploratory and focused on feasibility.
Who can join: the full rules
Show full inclusion / exclusion criteria
Inclusion Criteria: 1. ≤ 6 months postpartum 2. EPDS score \>10 Exclusion Criteria: 1. Current or past-year substance use disorder 2. Lifetime history of bipolar disorder or psychotic disorder 3. Active suicidal intent 4. Retinal pathology or history of eye surgery 5. Current use of photosensitizing medications 6. Untreated sleep-disordered breathing, untreated restless legs syndrome, or narcolepsy 7. Psychotherapy or psychotropic medications started/dose changed in past month (psychotherapy started and/or current medication at stable dose ≥ 4 weeks are permitted) 8. Medical conditions contraindicated for mBLT (e.g., epilepsy/seizures)
Where it's running
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University of Michigan
Ann Arbor, Michigan, United States Recruiting
Study contacts
- Principal investigator: Leslie Swanson, PhD — University of Michigan
- Study coordinator: Kelley DuBuc
- Email: dubuck@med.umich.edu
- Phone: 734-764-1904
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How to take part
- Review the eligibility criteria above with your treating physician.
- Check the official listing on ClinicalTrials.gov for the latest contact details and recruitment status.
- Contact the study coordinator or principal investigator to ask for pre-screening. Pre-screening is free and never obligates you to enroll.