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Showing 1–24 of 58 matching trials from the live ClinicalTrials.gov search.
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Filters: Intervention: Light Therapy box Clear all
Not yet recruiting Not applicable Interventional Accepts healthy volunteers

Relationships Among Pupil Responses to Light, Circadian Rhythms, and Sleep

NCT07753889
View directory record Official record
Conditions
Circadian Rhythm, Pupillometry, Sleep
Interventions
Ocular light exposure from portable light box
Other
Lead sponsor
Elizabeth B Klerman MD PhD
Other
Eligibility
18 Years to 85 Years
Enrollment
100 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2027 – 2035
U.S. locations
1
States / cities
Boston, Massachusetts
Source: ClinicalTrials.gov public record
Updated Sep 7, 2026 · Synced Sep 11, 2026, 5:07 PM EDT
Not yet recruiting Not applicable Interventional Accepts healthy volunteers

Behavioral Economics to Implement Nutrition Ranking in Food Pantries

NCT05854212
View directory record Official record
Conditions
Food Insecurity, Dietary Quality, Behavioral Economics, Implementation Science
Interventions
Behavioral economics-enhanced user interface
Behavioral
Lead sponsor
Massachusetts General Hospital
Other
Eligibility
18 Years to 90 Years
Enrollment
364 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2027 – 2028
U.S. locations
1
States / cities
Boston, Massachusetts
Source: ClinicalTrials.gov public record
Updated Feb 1, 2026 · Synced Sep 11, 2026, 5:07 PM EDT
Completed Not applicable Interventional Results available

The Efficacy of Hand Narrow-Band Ultraviolet B (NBUVB) Versus Excilite Treatment in Vitiligo After Minigrafting on the Dorsal Hands

NCT00622180
View directory record Official record
Conditions
Vitiligo
Interventions
NBUVB, Monochromacitc Excimer light
Device
Lead sponsor
University of Texas Southwestern Medical Center
Other
Eligibility
18 Years and older
Enrollment
13 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2008 – 2009
U.S. locations
1
States / cities
Dallas, Texas
Source: ClinicalTrials.gov public record
Updated Nov 4, 2019 · Synced Sep 11, 2026, 5:07 PM EDT
Completed Not applicable Interventional Accepts healthy volunteers

Testing Non-Nutrition Menu Labels on Food Selections

NCT07536126
View directory record Official record
Conditions
Food Selection
Interventions
Control (QR) Labels, Low Environmental Harm Labels, High Environmental Harm Labels, Environmental Harm Traffic Light Labels, Environmental Grade Labels
Behavioral
Lead sponsor
Johns Hopkins Bloomberg School of Public Health
Other
Eligibility
18 Years and older
Enrollment
7,000 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2026
U.S. locations
1
States / cities
Baltimore, Maryland
Source: ClinicalTrials.gov public record
Updated Jun 11, 2026 · Synced Sep 11, 2026, 5:07 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 Sep 11, 2026, 5:07 PM EDT
Terminated Not applicable Interventional Accepts healthy volunteers

Impact of Daylight on Patients With Acute Myocardial Infarction

NCT02490397
View directory record Official record
Conditions
Coronary Arteriosclerosis, Myocardial Infarction
Interventions
Day Light, Room Light
Other
Lead sponsor
University of Colorado, Denver
Other
Eligibility
18 Years to 90 Years
Enrollment
6 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2015 – 2020
U.S. locations
1
States / cities
Denver, Colorado
Source: ClinicalTrials.gov public record
Updated Jun 6, 2021 · Synced Sep 11, 2026, 5:07 PM EDT
Completed Not applicable Interventional Results available

Personalized Integrated Chronotherapy for Perinatal Depression

NCT04364646
View directory record Official record
Conditions
Depression, Postpartum Depression, Prenatal Disorder, Circadian Dysregulation, Pregnancy Related, Sleep Disturbance
Interventions
Personalized Integrated Chronotherapy
Behavioral
Lead sponsor
Rhode Island Hospital
Other
Eligibility
18 Years to 45 Years · Female only
Enrollment
120 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2020 – 2025
U.S. locations
3
States / cities
Glen Oaks, New York • Chapel Hill, North Carolina • Providence, Rhode Island
Source: ClinicalTrials.gov public record
Updated Dec 8, 2025 · Synced Sep 11, 2026, 5:07 PM EDT
Recruiting Not applicable Interventional

Effect of Fixation Training With Colored Light Targets on Traumatic Brain Injury-Associated Photophobia

NCT07606300
View directory record Official record
Conditions
Traumatic Brain Injury (TBI) Patients
Interventions
Fixation training using different colored fixation targets
Behavioral
Lead sponsor
Ohio State University
Other
Eligibility
18 Years to 80 Years
Enrollment
20 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2005 – 2026
U.S. locations
1
States / cities
Columbus, Ohio
Source: ClinicalTrials.gov public record
Updated May 25, 2026 · Synced Sep 11, 2026, 5:07 PM EDT
Enrolling by invitation Phase 2 Interventional

Bright Light Therapy for Depressed Geriatric Inpatients

NCT07002554
View directory record Official record
Conditions
Unipolar Depression
Interventions
Bright light therapy, dim red light
Device
Lead sponsor
Medical University of South Carolina
Other
Eligibility
60 Years and older
Enrollment
20 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2025 – 2027
U.S. locations
1
States / cities
Charleston, South Carolina
Source: ClinicalTrials.gov public record
Updated Apr 15, 2026 · Synced Sep 11, 2026, 5:07 PM EDT
Completed Phase 1Phase 2 Interventional Results available

Usability of Vibro-tactile Stimulation to Treat Spasmodic Dysphonia

NCT06111027
View directory record Official record
Conditions
Spasmodic Dysphonia, Laryngeal Dystonia
Interventions
Vibro-tactile stimulation
Device
Lead sponsor
University of Minnesota
Other
Eligibility
18 Years to 75 Years
Enrollment
40 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2023 – 2024
U.S. locations
1
States / cities
Minneapolis, Minnesota
Source: ClinicalTrials.gov public record
Updated Jul 14, 2026 · Synced Sep 11, 2026, 5:07 PM EDT
Recruiting Not applicable Interventional

Sleep and Circadian Mechanisms in Hypertension

NCT05184933
View directory record Official record
Conditions
Hypertension, Cardiovascular Diseases, Cardiovascular Risk Factors, Circadian Rhythms, Sleep
Interventions
At-home Polysomnography, Circadian Protocol, Rested Wakefulness Trial, Overnight Sleep Trial, Regularized Sleep Schedule
Other · Behavioral
Lead sponsor
Oregon Health and Science University
Other
Eligibility
25 Years to 64 Years
Enrollment
32 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2022 – 2029
U.S. locations
1
States / cities
Portland, Oregon
Source: ClinicalTrials.gov public record
Updated Feb 10, 2026 · Synced Sep 11, 2026, 5:07 PM EDT
Completed Phase 1 Interventional Accepts healthy volunteers

Bright Light: A Novel Treatment for Anxiety

NCT01064700
View directory record Official record
Conditions
Anxiety, Depression, Sleep
Interventions
Litebook Bright Light Box, Litebook inactivated negation ion generator (the placebo)
Device
Lead sponsor
University of South Carolina
Other
Eligibility
18 Years to 35 Years
Enrollment
33 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2006 – 2007
U.S. locations
1
States / cities
Columbia, South Carolina
Source: ClinicalTrials.gov public record
Updated Apr 27, 2021 · Synced Sep 11, 2026, 5:07 PM EDT
Completed Not applicable Interventional

Clinical Trials of Two Non-drug Treatments for Chronic Depression

NCT00006172
View directory record Official record
Conditions
Mood Disorders, Depressive Disorders, Depression, Chronic Depression
Interventions
Bright light box, High-output negative ion generator, Low-output negative ion generator
Device
Lead sponsor
New York State Psychiatric Institute
Other
Eligibility
18 Years to 65 Years
Enrollment
32 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2000 – 2004
U.S. locations
2
States / cities
Middletown, Connecticut • New York, New York
Source: ClinicalTrials.gov public record
Updated Sep 30, 2014 · Synced Sep 11, 2026, 5:07 PM EDT
Completed Not applicable Interventional Accepts healthy volunteers

Climate Labels for Restaurant Menus Pilot

NCT06651060
View directory record Official record
Conditions
Food Selection
Interventions
Menu label
Behavioral
Lead sponsor
University of California, Davis
Other
Eligibility
18 Years and older
Enrollment
16,181 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2024 – 2025
U.S. locations
1
States / cities
Davis, California
Source: ClinicalTrials.gov public record
Updated Mar 20, 2025 · Synced Sep 11, 2026, 5:07 PM EDT
Completed Phase 4 Interventional Accepts healthy volunteers

Light Therapy for Depression in Adolescent Outpatients

NCT05823090
View directory record Official record
Conditions
Depression, Adolescent - Emotional Problem
Interventions
light box (Carex DayLight Classic Model)
Device
Lead sponsor
Ann & Robert H Lurie Children's Hospital of Chicago
Other
Eligibility
12 Years to 18 Years
Enrollment
9 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2021 – 2022
U.S. locations
1
States / cities
Chicago, Illinois
Source: ClinicalTrials.gov public record
Updated Apr 24, 2023 · Synced Sep 11, 2026, 5:07 PM EDT
Completed Not applicable Interventional Results available

Bright Start Study

NCT05356130
View directory record Official record
Conditions
Depression
Interventions
Written Educational Material on BLT, Enhanced BLT Encouragement and Adherence Promotion
Behavioral
Lead sponsor
Kaiser Permanente
Other
Eligibility
18 Years to 69 Years
Enrollment
92 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2022 – 2024
U.S. locations
1
States / cities
Portland, Oregon
Source: ClinicalTrials.gov public record
Updated Jun 5, 2025 · Synced Sep 11, 2026, 5:07 PM EDT
Completed Not applicable Interventional

Bright Light Therapy for Sleep Disturbance in People With Multiple Sclerosis

NCT04054050
View directory record Official record
Conditions
Multiple Sclerosis
Interventions
Light therapy
Other
Lead sponsor
Johns Hopkins University
Other
Eligibility
18 Years and older
Enrollment
27 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2021 – 2026
U.S. locations
1
States / cities
Baltimore, Maryland
Source: ClinicalTrials.gov public record
Updated Jul 20, 2026 · Synced Sep 11, 2026, 5:07 PM EDT
Active, not recruiting Not applicable Interventional Accepts healthy volunteers

Improving Sleep, Sleep-related Outcomes, and Biomarkers in Veterans

NCT03968874
View directory record Official record
Conditions
Traumatic Brain Injury
Interventions
Light box therapy, Negative Ion Generator
Device
Lead sponsor
Portland VA Medical Center
Federal
Eligibility
18 Years to 88 Years
Enrollment
300 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2019 – 2025
U.S. locations
1
States / cities
Portland, Oregon
Source: ClinicalTrials.gov public record
Updated Nov 13, 2025 · Synced Sep 11, 2026, 5:07 PM EDT
Completed Not applicable Interventional Results available

Bright Light: An Adjunct Treatment for Combat Posttraumatic Stress Disorder (PTSD)

NCT00701064
View directory record Official record
Conditions
Posttraumatic Stress Disorder
Interventions
Bright Light Exposure, Negative Ion Generator
Other
Lead sponsor
VA Office of Research and Development
Federal
Eligibility
18 Years to 60 Years
Enrollment
71 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2009 – 2019
U.S. locations
1
States / cities
Columbia, Arizona
Source: ClinicalTrials.gov public record
Updated Sep 23, 2019 · Synced Sep 11, 2026, 5:07 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 Sep 11, 2026, 5:07 PM EDT
Recruiting Not applicable Interventional Accepts healthy volunteers

Passive Neurosensory Reintegration Training as a Tool to Augment Mild Traumatic Brain Injury

NCT07356167
View directory record Official record
Conditions
Mild Traumatic Brain Injury
Interventions
Passive neurosensory reintegration training (PNRT)
Device
Lead sponsor
University of Miami
Other
Eligibility
18 Years and older
Enrollment
80 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2025 – 2027
U.S. locations
1
States / cities
Miami, Florida
Source: ClinicalTrials.gov public record
Updated Jan 20, 2026 · Synced Sep 11, 2026, 5:07 PM EDT
Completed Not applicable Interventional Results available

Feasibility and Acceptability of W-GenZD vs CBT-light Teletherapy for Adolescents Seeking Mental Health Services

NCT05372913
View directory record Official record
Conditions
Depression, Anxiety
Interventions
Woebot for Adolescents (W-GenZD) Mobile Application, CBT-Lite Teletherapy Group
Device · Behavioral
Lead sponsor
Woebot Health
Industry
Eligibility
13 Years to 17 Years
Enrollment
141 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2022 – 2023
U.S. locations
1
States / cities
Norfolk, Virginia
Source: ClinicalTrials.gov public record
Updated Oct 16, 2024 · Synced Sep 11, 2026, 5:07 PM EDT
Completed Not applicable Interventional

Light Therapy to Increase Energy in Adolescents and Young Adults Newly Diagnosed With Solid Tumors: A Pilot Study

NCT02429063
View directory record Official record
Conditions
Neoplasms, Fatigue
Interventions
Bright White Light, Dim Red Light
Other
Lead sponsor
St. Jude Children's Research Hospital
Other
Eligibility
12 Years and older
Enrollment
55 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2015 – 2022
U.S. locations
1
States / cities
Memphis, Tennessee
Source: ClinicalTrials.gov public record
Updated May 4, 2022 · Synced Sep 11, 2026, 5:07 PM EDT
Completed Not applicable Interventional Accepts healthy volunteers

Treating Cancer-Related Fatigue Through Systematic Light Exposure (Light for Fatigue Study)

NCT03119363
View directory record Official record
Conditions
Multiple Myeloma, Fatigue
Interventions
AYO light glasses (Experimental), AYO light glasses (Comparator)
Device
Lead sponsor
Icahn School of Medicine at Mount Sinai
Other
Eligibility
18 Years and older
Enrollment
194 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2015 – 2022
U.S. locations
3
States / cities
Hackensack, New Jersey • New York, New York
Source: ClinicalTrials.gov public record
Updated Jun 15, 2022 · Synced Sep 11, 2026, 5:07 PM EDT