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Showing 1–19 of 19 matching trials from the live ClinicalTrials.gov search.
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Filters: Condition: Seasonal Mood Disorder Clear all
Completed No phase listed Observational Accepts healthy volunteers

Study of Genes in Relation to Seasonal Affective Disorder and Major Depressive Disorder

NCT01292889
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 Jul 22, 2026, 6:14 PM EDT
Completed Phase 2Phase 3 Interventional Results available

A Trial of Negative Ion Generation Versus Light-Emitting Diode Phototherapy for Seasonal Affective Disorder (SAD)

NCT00809523
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 Jul 22, 2026, 6:14 PM EDT
Completed Not applicable Interventional Results available

30-Minute Light Exposure for the Treatment of Seasonal Affective Disorder

NCT01462305
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 Jul 22, 2026, 6:14 PM EDT
Completed Not applicable Interventional

Clinical Trials of Three Non-Drug Treatments for Winter Depression (SAD)

NCT00006517
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 Jul 22, 2026, 6:14 PM EDT
Not listed Not applicable Interventional

Light-Emitting Diode (LED) Light for Seasonal Affective Disorder (SAD) Treatment

NCT00114322
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 Jul 22, 2026, 6:14 PM EDT
Completed No phase listed Observational Accepts healthy volunteers

Effects of Season on Melatonin Secretion in Healthy Men and Women and Patients With Seasonal Affective Disorder

NCT00001485
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 Jul 22, 2026, 6:14 PM EDT
Completed Phase 2 Interventional Results available

Research Study of Treatment for Winter Depression With Different Colors of Light

NCT00269633
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 Jul 22, 2026, 6:14 PM EDT
Completed Not applicable Interventional Results available

Environmental Treatment for Seasonal Affective Disorder (SAD)

NCT00139997
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 Jul 22, 2026, 6:14 PM EDT
Completed Not applicable Interventional Accepts healthy volunteers

Vitamin D Supplementation and Effects on Mood in Emergency Medicine Residents

NCT03739671
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 Jul 22, 2026, 6:14 PM EDT
Completed Phase 3 Interventional

Prevention of Seasonal Affective Disorder

NCT00046241
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 Jul 22, 2026, 6:14 PM EDT
Completed Not applicable Interventional

Cognitive-behavioral Therapy vs. Light Therapy for Preventing SAD Recurrence

NCT01714050
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 Jul 22, 2026, 6:14 PM EDT
Completed No phase listed Observational

Examining the Link Between Depression and Seasonal Allergies

NCT00770068
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 Jul 22, 2026, 6:14 PM EDT
Completed Phase 4 Interventional Results available

Ramelteon in the Treatment of Sleep and Mood in Patients With Seasonal Affective Disorder

NCT00502320
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 Jul 22, 2026, 6:14 PM EDT
Completed Phase 2 Interventional Accepts healthy volunteers

Clinical Trial of Propranolol for Seasonal Affective Disorder

NCT00016666
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 Jul 22, 2026, 6:14 PM EDT
Completed Not applicable Interventional Accepts healthy volunteers

Infrared Photomodulation Therapy for Seasonal Affective Disorder

NCT04251000
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 Jul 22, 2026, 6:14 PM EDT
Completed Not applicable Interventional

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

NCT03691792
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 Jul 22, 2026, 6:14 PM EDT
Completed Phase 1 Interventional

Seasonal Affective Depression (SAD) Study

NCT00069459
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 Jul 22, 2026, 6:14 PM EDT
Completed Phase 3 Interventional

Prevention of Seasonal Affective Disorder

NCT00046449
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 Jul 22, 2026, 6:14 PM EDT
Completed Phase 1 Interventional Results available

Cognitive Behavioral Therapy for the Treatment of Seasonal Affective Disorder (SAD)

NCT00076245
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 Jul 22, 2026, 6:14 PM EDT