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NCT03691792

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

Completed NA Last updated 3 June 2025
What this trial tests

NA trial testing Cognitive-Behavioral Therapy (CBT-SAD) in Seasonal Affective Disorder in 141 participants. Completed in 28 February 2025.

Timeline
1 September 2018
Primary endpoint
28 February 2025
28 February 2025

Quick facts

Lead sponsorUniversity of Vermont
PhaseNA
StatusCompleted
Study typeINTERVENTIONAL
Allocationrandomized
Designparallel
Maskingsingle
Primary purposetreatment
Enrollment141
Start date1 September 2018
Primary completion28 February 2025
Estimated completion28 February 2025
Sites1 location across United States

Drugs / interventions tested

Conditions studied

Sponsor

University of Vermont

Who can join

18 and older, any sex, with Seasonal Affective Disorder. Patients with the condition only — healthy volunteers not accepted.

Sponsor's own description

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.

Publications & conference data

2 peer-reviewed publications reference this trial (live from Europe PMC):

  1. Elucidating treatment targets and mediators within a confirmatory efficacy trial: study protocol for a randomized controlled trial of cognitive-behavioral therapy vs. light therapy for winter depression.
    Rohan KJ, Franzen PL, Roeckelin KA, Siegle GJ, et al · · 2022 · cited 1× · PMID 35550645 · DOI 10.1186/s13063-022-06330-9
  2. Elucidating Treatment Targets and Mediators within a Confirmatory Efficacy Trial: Study Protocol for a Randomized Controlled Trial of Cognitive-Behavioral Therapy vs. Light Therapy for Winter Depression
    Rohan KJ, Franzen PL, Roecklein KA, Siegle GJ, et al · · 2022 · DOI 10.21203/rs.3.rs-1359973/v1

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Other University of Vermont trials

Trials by the same sponsor.

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