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ClinicalTrials.gov public records Last synced May 21, 2026, 9:50 PM EDT

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Showing 1–19 of 19 matching trials from the live ClinicalTrials.gov search.
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Filters: Condition: Seasonal Affective Disorder 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 21, 2026, 9:50 PM EDT
Completed No phase listed Observational Accepts healthy volunteers
View directory record Official record
Conditions
Seasonal Affective Disorder
Interventions
Not listed
Lead sponsor
National Institute of Mental Health (NIMH)
NIH
Eligibility
Not listed
Enrollment
116 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
1995 – 2000
U.S. locations
1
States / cities
Bethesda, Maryland
Source: ClinicalTrials.gov public record
Updated Mar 3, 2008 · Synced May 21, 2026, 9:50 PM 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 21, 2026, 9:50 PM 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 21, 2026, 9:50 PM EDT
Completed No phase listed Observational
View directory record Official record
Conditions
Depression
Interventions
Not listed
Lead sponsor
University of Maryland, Baltimore
Other
Eligibility
18 Years to 64 Years
Enrollment
100 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2006 – 2017
U.S. locations
2
States / cities
Washington D.C., District of Columbia • Baltimore, Maryland
Source: ClinicalTrials.gov public record
Updated Nov 20, 2019 · Synced May 21, 2026, 9:50 PM 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 21, 2026, 9:50 PM 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 21, 2026, 9:50 PM EDT
Completed Not applicable Interventional Accepts healthy volunteers
View directory record Official record
Conditions
Seasonal Mood Disorder
Interventions
Vitamin D, No Vitamin D
Dietary Supplement
Lead sponsor
Corewell Health South
Other
Eligibility
18 Years and older
Enrollment
27 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2018 – 2020
U.S. locations
1
States / cities
Saint Joseph, Michigan
Source: ClinicalTrials.gov public record
Updated Nov 28, 2024 · Synced May 21, 2026, 9:50 PM EDT
Completed Not applicable Interventional Accepts healthy volunteers
View directory record Official record
Conditions
Seasonal Affective Disorder
Interventions
Joovv Mini
Device
Lead sponsor
ProofPilot
Industry
Eligibility
18 Years to 100 Years
Enrollment
60 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2020
U.S. locations
1
States / cities
New York, New York
Source: ClinicalTrials.gov public record
Updated Feb 10, 2021 · Synced May 21, 2026, 9:50 PM EDT
Not listed Not applicable Interventional
View directory record Official record
Conditions
Seasonal Affective Disorder
Interventions
light exposure from LED source at narrow 468 nm or broader 400-700 nm wavelength
Device
Lead sponsor
Brigham and Women's Hospital
Other
Eligibility
18 Years to 64 Years
Enrollment
24 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
Started 2005
U.S. locations
1
States / cities
Boston, Massachusetts
Source: ClinicalTrials.gov public record
Updated Jan 14, 2007 · Synced May 21, 2026, 9:50 PM EDT
Completed Phase 3 Interventional
View directory record Official record
Conditions
Seasonal Affective Disorder (SAD)
Interventions
Investigational Seasonal Affective Disorder (SAD) Drug
Drug
Lead sponsor
GlaxoSmithKline
Industry
Eligibility
18 Years and older
Healthy volunteers
Healthy volunteers not accepted
Timeline
2002 – 2003
U.S. locations
47
States / cities
Homer, Alaska • New Haven, Connecticut • Newark, Delaware + 39 more
Source: ClinicalTrials.gov public record
Updated Jun 3, 2015 · Synced May 21, 2026, 9:50 PM EDT
Completed Not applicable Interventional Results available
View directory record Official record
Conditions
Seasonal Affective Disorder
Interventions
Litebook treatment devices, Inactivated negative ion generator
Device
Lead sponsor
Yale University
Other
Eligibility
18 Years to 65 Years
Enrollment
26 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2002 – 2005
U.S. locations
1
States / cities
New Haven, Connecticut
Source: ClinicalTrials.gov public record
Updated Mar 5, 2013 · Synced May 21, 2026, 9:50 PM 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 21, 2026, 9:50 PM 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 21, 2026, 9:50 PM EDT
Completed Phase 4 Interventional Results available
View directory record Official record
Conditions
Seasonal Affective Disorder
Interventions
Ramelteon, Placebo
Drug
Lead sponsor
Lehigh Valley Hospital
Other
Eligibility
18 Years to 65 Years
Enrollment
50 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2006 – 2008
U.S. locations
1
States / cities
Allentown, Pennsylvania
Source: ClinicalTrials.gov public record
Updated Oct 5, 2009 · Synced May 21, 2026, 9:50 PM 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 21, 2026, 9:50 PM 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 21, 2026, 9:50 PM 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 21, 2026, 9:50 PM EDT
Completed Phase 1 Interventional Results available
View directory record Official record
Conditions
Seasonal Affective Disorder, Depression
Interventions
Light Therapy, Cognitive behavioral therapy (CBT)
Behavioral
Lead sponsor
Henry M. Jackson Foundation for the Advancement of Military Medicine
Other
Eligibility
18 Years and older
Enrollment
61 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2002 – 2005
U.S. locations
1
States / cities
Bethesda, Maryland
Source: ClinicalTrials.gov public record
Updated Jun 24, 2014 · Synced May 21, 2026, 9:50 PM EDT