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NCT03691792 · ClinicalTrials.gov registry record · NA
Optimizing Long-Term Outcomes for Winter Depression With CBT-SAD and Light Therapy
A NA study, sponsored by University of Vermont.
- Completed
- Registry status
- NA
- Development phase
- 141
- Enrollment target
NCT03691792: Completed NA study, sponsored by University of Vermont.
NCT03691792 is a NA study that has completed, run by University of Vermont. The registered enrollment target is 141 participants, below the 1,404-participant average among 58,714 other NA trials with a reported enrollment target (90% lower). According to ClinicalTrials.gov, the official US trial registry.
The verdict
NCT03691792, a NA study, has completed, sponsored by University of Vermont.
- COMPLETED
- Registry status
- NA
- Development phase
- 141 participants
- Enrollment target
Study Summary
Major depression is a highly prevalent, chronic, and debilitating mental health problem with significant social cost that poses a tremendous economic burden. Winter seasonal affective disorder (SAD) is a subtype of recurrent major depression that affects 5% of the population (14.5 million Americans), involving substantial depressive symptoms for about 5 months of each year during most years, beginning in young adulthood.
Primary Outcome
Semi-structured interview of depressive symptoms
Interventions
- OTHER Light Therapy
- BEHAVIORAL Cognitive-Behavioral Therapy (CBT-SAD)
Trial Details
| Field | Value |
|---|---|
| Enrollment Target | 141 participants |
| Start Date | 2018-09-01 |
| Est. Completion | 2025-02-28 |
| Phase | NA |
What the finished NCT03691792 record still lists
NCT03691792 is an interventional study that assigns participants to a tested intervention. The registered 141 participants enrollment target is mid-sized for trials with a published cap, below the 1,404-participant average among 58,714 other NA trials with a reported enrollment target (90% lower).
The record links to 0 conditions, and to 2 interventions - of which Light Therapy is the first listed.
NCT03691792 does not publish any study locations in the registry export this page uses.
Frequently Asked Questions
What is clinical trial NCT03691792 about?
NCT03691792 is a clinical study titled "Optimizing Long-Term Outcomes for Winter Depression With CBT-SAD and Light Therapy". Major depression is a highly prevalent, chronic, and debilitating mental health problem with significant social cost that poses a tremendous economic burden. Winter seasonal affective disorder (SAD) is a subtype of recurrent major depression that affects 5% of the population (14.5 million Americans)...
What is the current status of trial NCT03691792?
This trial is currently completed. It is a NA study. The enrollment target is 141 participants. The study started on 2018-09-01. Estimated completion is 2025-02-28.
What interventions are being tested in trial NCT03691792?
The interventions under investigation include: Light Therapy (OTHER), Cognitive-Behavioral Therapy (CBT-SAD) (BEHAVIORAL).
Who is sponsoring clinical trial NCT03691792?
This trial is sponsored by University of Vermont, which has 162 total clinical trials registered on ClinicalTrials.gov.
Learn More About Clinical Trials
How this trial's enrollment target compares
Where NCT03691792's enrollment target sits among peer trials
141 712th of 2000 higher than 1,288 of 2,000 other NA trials
participants (enrollment target), bucketed by value
Each bar is a band; taller bars hold more other NA 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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