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ClinicalTrials.gov public records Last synced May 22, 2026, 12:27 AM EDT

Data is sourced from official ClinicalTrials.gov public API records. Always review the official ClinicalTrials.gov record for the latest information.

Showing 1–10 of 10 matching trials from the live ClinicalTrials.gov search.
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Filters: Condition: Winter Depression Clear all
Completed Not applicable Interventional
View directory record Official record
Conditions
Seasonal Affective Disorder
Interventions
Cognitive-Behavioral Therapy (CBT-SAD), Light Therapy
Behavioral · Other
Lead sponsor
University of Vermont
Other
Eligibility
18 Years and older
Enrollment
141 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2018 – 2025
U.S. locations
1
States / cities
Burlington, Vermont
Source: ClinicalTrials.gov public record
Updated Jun 2, 2025 · Synced May 22, 2026, 12:27 AM EDT
Completed Not applicable Interventional
View directory record Official record
Conditions
Seasonal Affective Disorder (SAD), Winter Depression, Major Depressive Disorder, Recurrent, With Seasonal Pattern
Interventions
Cognitive-Behavioral Therapy (CBT), Light Therapy (LT)
Behavioral · Device
Lead sponsor
University of Vermont
Other
Eligibility
18 Years and older
Enrollment
177 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2008 – 2014
U.S. locations
1
States / cities
Burlington, Vermont
Source: ClinicalTrials.gov public record
Updated May 8, 2023 · Synced May 22, 2026, 12:27 AM EDT
Completed Not applicable Interventional Results available
View directory record Official record
Conditions
Seasonal Affective Disorder
Interventions
goLITE, Control
Device
Lead sponsor
Philips Respironics
Industry
Eligibility
21 Years to 64 Years
Enrollment
35 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2012
U.S. locations
4
States / cities
Belmont, Massachusetts • Boston, Massachusetts • Minneapolis, Minnesota + 1 more
Source: ClinicalTrials.gov public record
Updated Jan 29, 2019 · Synced May 22, 2026, 12:27 AM EDT
Completed Phase 2 Interventional Accepts healthy volunteers
View directory record Official record
Conditions
Seasonal Affective Disorder, Healthy
Interventions
Propranolol
Drug
Lead sponsor
National Institute of Mental Health (NIMH)
NIH
Eligibility
18 Years to 50 Years
Enrollment
70 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2001 – 2007
U.S. locations
1
States / cities
Boston, Massachusetts
Source: ClinicalTrials.gov public record
Updated Jul 1, 2017 · Synced May 22, 2026, 12:27 AM EDT
Completed Phase 2 Interventional Results available
View directory record Official record
Conditions
Seasonal Affective Disorder
Interventions
Blue Light Box 467 nm, Red Light Box 657 nm
Device
Lead sponsor
Thomas Jefferson University
Other
Eligibility
18 Years and older
Enrollment
9 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2006 – 2008
U.S. locations
1
States / cities
Philadelphia, Pennsylvania
Source: ClinicalTrials.gov public record
Updated Mar 27, 2016 · Synced May 22, 2026, 12:27 AM EDT
Completed No phase listed Observational Accepts healthy volunteers
View directory record Official record
Conditions
Seasonal Affective Disorder
Interventions
Not listed
Lead sponsor
University of Pittsburgh
Other
Eligibility
18 Years to 65 Years
Enrollment
30 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2008 – 2011
U.S. locations
1
States / cities
Pittsburgh, Pennsylvania
Source: ClinicalTrials.gov public record
Updated Jan 6, 2016 · Synced May 22, 2026, 12:27 AM EDT
Completed Phase 3 Interventional
View directory record Official record
Conditions
Seasonal Affective Disorder
Interventions
Extended-release bupropion hydrochloride
Drug
Lead sponsor
GlaxoSmithKline
Industry
Eligibility
18 Years and older
Enrollment
300 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2002 – 2003
U.S. locations
43
States / cities
Anchorage, Alaska • Hamden, Connecticut • Boise, Idaho + 37 more
Source: ClinicalTrials.gov public record
Updated Jan 22, 2017 · Synced May 22, 2026, 12:27 AM EDT
Completed Not applicable Interventional
View directory record Official record
Conditions
Seasonal Affective Disorder, Mood Disorders, Depression
Interventions
bright light box, dawn simulator, high-output negative ion generator, low-output negative ion generator, dawn light pulse
Device
Lead sponsor
New York State Psychiatric Institute
Other
Eligibility
18 Years to 70 Years
Enrollment
150 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
1998 – 2004
U.S. locations
1
States / cities
New York, New York
Source: ClinicalTrials.gov public record
Updated Jun 2, 2015 · Synced May 22, 2026, 12:27 AM EDT
Completed Phase 2Phase 3 Interventional Results available
View directory record Official record
Conditions
Seasonal Affective Disorder
Interventions
Negative Ion Generator, Light-emitting Photodiode light treatment device
Device
Lead sponsor
Yale University
Other
Eligibility
18 Years to 65 Years
Enrollment
106 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2008 – 2010
U.S. locations
3
States / cities
New Haven, Connecticut • Rockville, Maryland • Belmont, Massachusetts
Source: ClinicalTrials.gov public record
Updated Mar 5, 2013 · Synced May 22, 2026, 12:27 AM EDT
Completed Phase 1 Interventional
View directory record Official record
Conditions
Depressive Disorder
Interventions
Extended-release Bupropion Hydrochloride
Drug
Lead sponsor
GlaxoSmithKline
Industry
Eligibility
18 Years and older
Enrollment
250 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2003 – 2004
U.S. locations
48
States / cities
Anchorage, Alaska • Hamden, Connecticut • Newark, Delaware + 41 more
Source: ClinicalTrials.gov public record
Updated Sep 24, 2017 · Synced May 22, 2026, 12:27 AM EDT