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Optimizing Long-Term Outcomes for Winter Depression With CBT-SAD and Light Therapy

NCT03691792 · Status: COMPLETED · Phase: NA · Type: INTERVENTIONAL · Enrollment: 141

Last updated 2025-06-03

No results posted yet for this 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.

Conditions

  • Seasonal Affective Disorder

Interventions

BEHAVIORAL

Cognitive-Behavioral Therapy (CBT-SAD)

12 group sessions over 6 weeks

OTHER

Light Therapy

10,000-lux initiated at 30 min upon waking and adjusted per treatment algorithm, continuing for 6 weeks

Sponsors & Collaborators

  • University of Pittsburgh

    collaborator OTHER

  • University of Maryland, Baltimore

    collaborator OTHER

  • University of Vermont

    lead OTHER

Principal Investigators

  • Kelly J Rohan, Ph.D. · University of Vermont

Study Design

Allocation
RANDOMIZED
Purpose
TREATMENT
Masking
SINGLE
Model
PARALLEL

Eligibility

Min Age
18 Years
Sex
ALL
Healthy Volunteers
No

Timeline & Regulatory

Start
2018-09-01
Primary Completion
2025-02-28
Completion
2025-02-28

Countries

  • United States

Study Locations

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Read the full study record

This page highlights key information. For complete eligibility criteria, study locations, investigator contacts, and the full protocol, visit the original record on ClinicalTrials.gov.

View NCT03691792 on ClinicalTrials.gov