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ClinicalTrials.gov public records Last synced Oct 17, 2026, 11:09 AM EDT

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Showing 1–24 of 146 matching trials from the live ClinicalTrials.gov search.
Filters: Intervention: bright light Clear all
Recruiting Not applicable Interventional Accepts healthy volunteers

Sensory Adapted Dental Environments to Enhance Oral Care for Children With and Without Dental Fear and Anxiety

NCT06912854
View directory record Official record
Conditions
Dental Fear and Anxiety
Interventions
Sensory Adapted Dental Environment, Video-based Modeling
Other
Lead sponsor
University of Southern California
Other
Eligibility
6 Years to 12 Years
Enrollment
312 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2025 – 2029
U.S. locations
1
States / cities
Los Angeles, California
Source: ClinicalTrials.gov public record
Updated Oct 2, 2025 · Synced Oct 17, 2026, 11:09 AM EDT
Completed Not applicable Interventional Accepts healthy volunteers

Evaluating the Potentials of Biodynamic Lighting for Home Office Workers

NCT05481424
View directory record Official record
Conditions
Cognitive Performance, Sleep, Alertness
Interventions
Biodynamic, Active Placebo
Other
Lead sponsor
Arizona State University
Other
Eligibility
18 Years to 65 Years
Enrollment
20 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2022 – 2024
U.S. locations
1
States / cities
Tempe, Arizona
Source: ClinicalTrials.gov public record
Updated Jul 30, 2024 · Synced Oct 17, 2026, 11:09 AM EDT
Recruiting Not applicable Interventional

Sleep and Light Intervention (SALI) for Menopausal Mood Dysfunction

NCT06678880
View directory record Official record
Conditions
Depression, Depression During the Menopausal Transition, Menopausal Depression
Interventions
Phase Advanced Intervention (PAI), Phase Delay Intervention (PDI)
Behavioral
Lead sponsor
University of California, San Diego
Other
Eligibility
45 Years to 75 Years · Female only
Enrollment
120 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2025 – 2029
U.S. locations
1
States / cities
San Diego, California
Source: ClinicalTrials.gov public record
Updated Aug 5, 2026 · Synced Oct 17, 2026, 11:09 AM EDT
Completed Phase 1 Interventional

Treatment Strategies for Children With Smith-Magenis Syndrome

NCT00506259
View directory record Official record
Conditions
Developmental Delay Disorders, Chromosome Deletion, Mental Retardation, Sleep Disorders, Circadian Rhythm, Self Injurious Behavior
Interventions
dTR Melatonin (NIH CC PDS), Phototherapy (Bright Light), Melatonin CR
Drug · Device
Lead sponsor
National Human Genome Research Institute (NHGRI)
NIH
Eligibility
3 Years to 45 Years
Enrollment
23 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2007 – 2018
U.S. locations
1
States / cities
Bethesda, Maryland
Source: ClinicalTrials.gov public record
Updated Dec 12, 2019 · Synced Oct 17, 2026, 11:09 AM EDT
Recruiting Not applicable Interventional

Systematic Light Exposure in Pediatric Brain Tumor Survivors

NCT05340881
View directory record Official record
Conditions
Brain Tumor
Interventions
Bright Light Exposure, Dim Light Exposure, Cognitive Assessment
Behavioral · Other
Lead sponsor
Baylor College of Medicine
Other
Eligibility
10 Years to 18 Years
Enrollment
40 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2022 – 2026
U.S. locations
1
States / cities
Houston, Texas
Source: ClinicalTrials.gov public record
Updated Sep 18, 2025 · Synced Oct 17, 2026, 11:09 AM EDT
Completed Not applicable Interventional Results available

TWILIGHT Study: Effect of Light Exposure During Acute Rehabilitation on Sleep After TBI

NCT02214212
View directory record Official record
Conditions
Traumatic Brain Injury, TBI, Sleep
Interventions
Bright White Light (BWL), Red Light (RL)
Device
Lead sponsor
University of Washington
Other
Eligibility
18 Years to 70 Years
Enrollment
131 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2013 – 2017
U.S. locations
1
States / cities
Seattle, Washington
Source: ClinicalTrials.gov public record
Updated Nov 9, 2021 · Synced Oct 17, 2026, 11:09 AM 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 25, 2014 · Synced Oct 17, 2026, 11:09 AM EDT
Not yet recruiting Not applicable Interventional

A Study Of Phototherapy In Patients With Dementia To Improve BPSD

NCT07488195
View directory record Official record
Conditions
Dementia
Interventions
Phototherapy
Other
Lead sponsor
Mayo Clinic
Other
Eligibility
18 Years and older
Enrollment
70 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2026
U.S. locations
1
States / cities
Rochester, Minnesota
Source: ClinicalTrials.gov public record
Updated Jul 16, 2026 · Synced Oct 17, 2026, 11:09 AM EDT
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 8, 2026 · Synced Oct 17, 2026, 11:09 AM EDT
Completed Not applicable Interventional

Treating Cancer-Related Fatigue Through Systematic Light Exposure

NCT01873794
View directory record Official record
Conditions
Hematopoietic Stem Cell Transplantation, Breast Cancer, Fatigue, Mild Cognitive Impairment, Light, Quality of Life, Sleep
Interventions
Bright white light, Dim red light
Device
Lead sponsor
Icahn School of Medicine at Mount Sinai
Other
Eligibility
18 Years and older
Enrollment
54 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2012 – 2014
U.S. locations
2
States / cities
Hackensack, New Jersey • New York, New York
Source: ClinicalTrials.gov public record
Updated Apr 11, 2017 · Synced Oct 17, 2026, 11:09 AM EDT
Completed Not applicable Interventional

Bright White Light Therapy for the Improvement of Sleep, Fatigue, Distress, Depression, and Anxiety in Hospitalized Leukemia Patients

NCT04597086
View directory record Official record
Conditions
Acute Leukemia, Recurrent Leukemia, Refractory Leukemia
Interventions
Best Practice, Bright White Light Therapy, Survey Administration
Other · Procedure
Lead sponsor
Ohio State University Comprehensive Cancer Center
Other
Eligibility
Not listed
Enrollment
74 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2020 – 2023
U.S. locations
1
States / cities
Columbus, Ohio
Source: ClinicalTrials.gov public record
Updated Apr 7, 2023 · Synced Oct 17, 2026, 11:09 AM EDT
Completed Not applicable Interventional Results available

The "Light for the Brain" Study

NCT02677987
View directory record Official record
Conditions
Hematopoietic Stem Cell Transplantation, Cognitive Impairments, Sleep, Depression, Fatigue, Quality of Life
Interventions
Intervention systematic light exposure, Comparison systematic light exposure
Device
Lead sponsor
Northwestern University
Other
Eligibility
21 Years and older
Enrollment
47 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2016 – 2021
U.S. locations
1
States / cities
Chicago, Illinois
Source: ClinicalTrials.gov public record
Updated Apr 18, 2022 · Synced Oct 17, 2026, 11:09 AM EDT
Active, not recruiting Not applicable Interventional

Bright Light Therapy for Non-motor Symptoms in Parkinson's Disease

NCT02909192
View directory record Official record
Conditions
Parkinson's Disease
Interventions
Light Therapy Device
Device
Lead sponsor
Massachusetts General Hospital
Other
Eligibility
40 Years and older
Enrollment
65 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2016 – 2026
U.S. locations
1
States / cities
Boston, Massachusetts
Source: ClinicalTrials.gov public record
Updated Nov 5, 2025 · Synced Oct 17, 2026, 11:09 AM EDT
Completed Not applicable Interventional Accepts healthy volunteers Results available

Effects of Bright Light on Co-occurring Cancer-related Symptoms in Breast Cancer Survivors

NCT03304587
View directory record Official record
Conditions
Breast Cancer
Interventions
Polysomnography (PSG), Rectal thermistor 400 Series, Bright blue-green light, Dim red light, Digital foot candle datalogging light meter, Patient-Reported Outcomes Measurement Information System (PROMIS)-Cancer-Fatigue, Patient-Reported Outcomes Measurement Information System (PROMIS)-Sleep Disturbance, Patient-Reported Outcomes Measurement Information System (PROMIS)-Depression, Patient-Reported Outcomes Measurement Information System (PROMIS)-Physical Function, Pittsburgh Sleep Quality Index (PSQI), Center for Epidemiological Studies - Depression, Montreal Cognitive Assessment (MoCA), European Organization for Research and Treatment of Cancer-Quality of Life Questionnaire (EORTC QLQ-C30), Daily Log
Diagnostic Test · Other
Lead sponsor
Michigan State University
Other
Eligibility
21 Years and older · Female only
Enrollment
30 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2017 – 2022
U.S. locations
1
States / cities
East Lansing, Michigan
Source: ClinicalTrials.gov public record
Updated Jun 10, 2025 · Synced Oct 17, 2026, 11:09 AM EDT
Completed Not applicable Interventional Accepts healthy volunteers

Teen Sleep and Light Study

NCT04921215
View directory record Official record
Conditions
Chronobiology, Light, Sleep, Circadian Rhythm, Adolescence
Interventions
Morning bright light
Behavioral
Lead sponsor
Rush University Medical Center
Other
Eligibility
14 Years to 17 Years
Enrollment
88 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2021 – 2025
U.S. locations
1
States / cities
Chicago, Illinois
Source: ClinicalTrials.gov public record
Updated Sep 2, 2025 · Synced Oct 17, 2026, 11:09 AM EDT
Recruiting Not applicable Interventional

Bright Light Exposure in Surgical Patients

NCT03822949
View directory record Official record
Conditions
Myocardial Ischemia, Critical Illness, Endothelial Dysfunction
Interventions
Day Light, Placebo light, ICU Intense Light, ICU Placebo light
Device
Lead sponsor
University of Colorado, Denver
Other
Eligibility
18 Years to 90 Years
Enrollment
70 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2019 – 2026
U.S. locations
1
States / cities
Denver, Colorado
Source: ClinicalTrials.gov public record
Updated May 14, 2025 · Synced Oct 17, 2026, 11:09 AM EDT
Recruiting Not applicable Interventional

Sleep and Circadian Interventions for College Students at High Risk of Suicide

NCT07346014
View directory record Official record
Conditions
Sleep Disturbance, Sleep, Depression, Suicide
Interventions
Sleep Feedback + Psychoeducation, Transdiagnostic Sleep and Circadian Intervention + Bright Light (TSC+), Triple Chronotherapy (TCT+)
Behavioral
Lead sponsor
University of Pittsburgh
Other
Eligibility
18 Years to 25 Years
Enrollment
90 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2026 – 2029
U.S. locations
1
States / cities
Pittsburgh, Pennsylvania
Source: ClinicalTrials.gov public record
Updated Jul 7, 2026 · Synced Oct 17, 2026, 11:09 AM EDT
Completed Not applicable Interventional

The Effects of Bright Light Exposure on ICU Nurses

NCT03331822
View directory record Official record
Conditions
Circadian Rhythm Disorders, Sleep
Interventions
Bright Light
Other
Lead sponsor
University of Pittsburgh
Other
Eligibility
Not listed
Enrollment
31 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2017
U.S. locations
1
States / cities
Pittsburgh, Pennsylvania
Source: ClinicalTrials.gov public record
Updated Dec 14, 2018 · Synced Oct 17, 2026, 11:09 AM EDT
Recruiting Not applicable Interventional

Bright Light Therapy in Patients With Melanoma or Non-small Cell Lung Cancer (NSCLC) Who Are Receiving First-Line Immune Checkpoint Blockade

NCT07661966
View directory record Official record
Conditions
Melanoma (Skin Cancer), NSCLC (Non-small Cell Lung Cancer)
Interventions
Bright Light Therapy
Device
Lead sponsor
Weill Medical College of Cornell University
Other
Eligibility
18 Years and older
Enrollment
12 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2026 – 2027
U.S. locations
1
States / cities
New York, New York
Source: ClinicalTrials.gov public record
Updated Sep 23, 2026 · Synced Oct 17, 2026, 11:09 AM EDT
Completed Not applicable Interventional Results available

Feasibility of Bright Light Therapy on Fatigue, Sleep and Circadian Activity Rhythms in Lung Cancer Survivors

NCT02954809
View directory record Official record
Conditions
Fatigue, Sleep Disturbance, Circadian Dysregulation
Interventions
Morning bright light therapy, Dim light
Device
Lead sponsor
State University of New York at Buffalo
Other
Eligibility
18 Years and older
Enrollment
14 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2016 – 2018
U.S. locations
1
States / cities
Buffalo, New York
Source: ClinicalTrials.gov public record
Updated May 1, 2025 · Synced Oct 17, 2026, 11:09 AM EDT
Recruiting Not applicable Interventional

Sleep TO Prevent Post-surgical Pain

NCT06976138
View directory record Official record
Conditions
Knee Osteoarthristis
Interventions
Cognitive-Behavioral Therapy for Insomnia, Bright Light therapy via the Re-Timer®, Negative Ion exposure via IonMi Device, Sleep / Knee Osteoarthritis Education
Behavioral · Device
Lead sponsor
Johns Hopkins University
Other
Eligibility
60 Years and older
Enrollment
252 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2025 – 2029
U.S. locations
2
States / cities
Baltimore, Maryland • Chestnut Hill, Massachusetts
Source: ClinicalTrials.gov public record
Updated Aug 7, 2026 · Synced Oct 17, 2026, 11:09 AM EDT
Completed Not applicable Interventional Results available

Wake Therapy in the Treatment of Depression

NCT01431573
View directory record Official record
Conditions
Major Depressive Disorder, Bipolar Disorder
Interventions
Wake Therapy, light box, Lithium
Behavioral · Device · Drug
Lead sponsor
New York State Psychiatric Institute
Other
Eligibility
18 Years to 75 Years
Enrollment
8 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2011 – 2016
U.S. locations
2
States / cities
New York, New York
Source: ClinicalTrials.gov public record
Updated Mar 18, 2021 · Synced Oct 17, 2026, 11:09 AM EDT
Completed No phase listed Observational

Bright Light Therapy as Augmentation of Depressive Symptoms on Acute Psychiatric Floor

NCT04385394
View directory record Official record
Conditions
Depression
Interventions
Not listed
Lead sponsor
State University of New York - Upstate Medical University
Other
Eligibility
18 Years to 90 Years
Enrollment
100 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2020
U.S. locations
1
States / cities
Syracuse, New York
Source: ClinicalTrials.gov public record
Updated Oct 28, 2021 · Synced Oct 17, 2026, 11:09 AM 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 24, 2019 · Synced Oct 17, 2026, 11:09 AM EDT