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ClinicalTrials.gov public records Last synced Oct 27, 2026, 1:49 PM EDT

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Showing 1–24 of 62 matching trials from the live ClinicalTrials.gov search.
Filters: Intervention: Bright Light Exposure Clear all
Completed Not applicable Interventional

Using Behavioral Programs to Treat Sleep Problems in Individuals With Alzheimer's Disease

NCT00183378
View directory record Official record
Conditions
Alzheimer Disease, Sleep Initiation and Maintenance Disorders
Interventions
Walking Program, Light Exposure Program, Combined Education, Walking and Light Exposure Program, Routine Medical Care with Education
Behavioral
Lead sponsor
University of Washington
Other
Eligibility
55 Years and older
Enrollment
132 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2005 – 2011
U.S. locations
1
States / cities
Seattle, Washington
Source: ClinicalTrials.gov public record
Updated Jan 13, 2012 · Synced Oct 27, 2026, 1:49 PM EDT
Recruiting Not applicable Interventional

Green Light for Post-Operative Wellness

NCT07218289
View directory record Official record
Conditions
Surgery
Interventions
Bright Green Light Therapy, Dim White Light Therapy
Device
Lead sponsor
Rebecca E Kotcher, MD
Other
Eligibility
18 Years and older
Enrollment
60 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2026
U.S. locations
1
States / cities
Pittsburgh, Pennsylvania
Source: ClinicalTrials.gov public record
Updated Feb 12, 2026 · Synced Oct 27, 2026, 1:49 PM EDT
Completed Not applicable Interventional Accepts healthy volunteers

Effect of Bright Light Treatment On Elders In a Long Term Care Environment

NCT01042587
View directory record Official record
Conditions
Behavioral Responses to Bright Light Therapy in Elders
Interventions
exposure to bright light, low luminosity red light
Other
Lead sponsor
Milton S. Hershey Medical Center
Other
Eligibility
65 Years and older
Enrollment
32 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2010
U.S. locations
1
States / cities
Elizabethtown, Pennsylvania
Source: ClinicalTrials.gov public record
Updated Aug 11, 2010 · Synced Oct 27, 2026, 1:49 PM EDT
Recruiting Not applicable Interventional

Mechanisms of Depression and Anhedonia in Adolescents: Linking Sleep to Reward- and Stress-Related Brain Function

NCT05691439
View directory record Official record
Conditions
Depression in Adolescence
Interventions
Sleep extension and advance, Regular sleep duration and timing
Behavioral
Lead sponsor
University of Oregon
Other
Eligibility
14 Years to 18 Years
Enrollment
150 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2023 – 2026
U.S. locations
1
States / cities
Eugene, Oregon
Source: ClinicalTrials.gov public record
Updated Nov 17, 2025 · Synced Oct 27, 2026, 1:49 PM 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 27, 2026, 1:49 PM EDT
Completed Not applicable Interventional

A Pilot Test of Mood and Circadian Rhythm Mechanisms Driving Binge Eating

NCT03680989
View directory record Official record
Conditions
Eating Disorder, Binge Eating, Circadian Dysregulation
Interventions
Bright Light Exposure, Natural Light Exposure
Device
Lead sponsor
University of Wyoming
Other
Eligibility
18 Years and older · Female only
Enrollment
35 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2019 – 2020
U.S. locations
1
States / cities
Laramie, Wyoming
Source: ClinicalTrials.gov public record
Updated Nov 4, 2020 · Synced Oct 27, 2026, 1:49 PM EDT
Recruiting Not applicable Interventional

Feasibility of Light Therapy in the Pediatric Intensive Care Unit (ICU)

NCT07384585
View directory record Official record
Conditions
Circadian Dysregulation, Light Exposure, Pediatric Critical Illness
Interventions
Light Therapy
Other
Lead sponsor
Laura Beth Kalvas
Other
Eligibility
4 Years to 17 Years
Enrollment
30 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2026 – 2027
U.S. locations
1
States / cities
Columbus, Ohio
Source: ClinicalTrials.gov public record
Updated May 22, 2026 · Synced Oct 27, 2026, 1:49 PM EDT
Recruiting Not applicable Interventional Accepts healthy volunteers

Objectively Diagnose and Monitor Treatment of Light Sensitivity

NCT03694626
View directory record Official record
Conditions
Photophobia, Traumatic Brain Injury, Migraine
Interventions
Pupillography, Ocular Coherence Tomography (OCT), Wrist-watch sensor device, Videography, Electrophysiology
Device
Lead sponsor
Randy Kardon
Other
Eligibility
18 Years to 80 Years
Enrollment
120 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2019 – 2028
U.S. locations
1
States / cities
Iowa City, Iowa
Source: ClinicalTrials.gov public record
Updated Sep 8, 2026 · Synced Oct 27, 2026, 1:49 PM 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 27, 2026, 1:49 PM EDT
Completed Not applicable Interventional Accepts healthy volunteers Results available

Bright Light Therapy for Treatment of Sleep Problems Following Mild Traumatic Brain Injury

NCT02374918
View directory record Official record
Conditions
Concussion, Mild, Post-Concussion Symptoms, Sleep Problems
Interventions
mTBI wavelength-1 bright light, mTBI wavelength-2 bright light, HC wavelength-1 bright light, HC wavelength-2 bright light
Device
Lead sponsor
University of Arizona
Other
Eligibility
18 Years to 50 Years
Enrollment
77 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2014 – 2019
U.S. locations
1
States / cities
Tucson, Arizona
Source: ClinicalTrials.gov public record
Updated Jun 24, 2021 · Synced Oct 27, 2026, 1:49 PM EDT
Completed Not applicable Interventional Results available

Effect of Increased Light Exposure on Fatigue in Breast Cancer

NCT00478257
View directory record Official record
Conditions
Breast Cancer
Interventions
bright white light, comparator red light treatment
Device
Lead sponsor
University of California, San Diego
Other
Eligibility
18 Years and older · Female only
Enrollment
39 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2005 – 2009
U.S. locations
1
States / cities
San Diego, California
Source: ClinicalTrials.gov public record
Updated Feb 6, 2019 · Synced Oct 27, 2026, 1:49 PM 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 27, 2026, 1:49 PM EDT
Recruiting Not applicable Interventional

Mechanisms of Risky Alcohol Use in Young Adults: Linking Sleep to Reward- and Stress-Related Brain Function

NCT05684094
View directory record Official record
Conditions
Alcohol Use Disorder
Interventions
Sleep extension and advance, Regular sleep duration and timing
Behavioral
Lead sponsor
University of Oregon
Other
Eligibility
18 Years to 24 Years
Enrollment
90 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2023 – 2027
U.S. locations
1
States / cities
Eugene, Oregon
Source: ClinicalTrials.gov public record
Updated Feb 27, 2026 · Synced Oct 27, 2026, 1:49 PM EDT
Completed Not applicable Interventional Accepts healthy volunteers

Artificial Intelligence in Colonoscopy

NCT06621225
View directory record Official record
Conditions
Colorectal Carcinoma
Interventions
Artificial Intelligence, Mucosal Exposure Device
Device
Lead sponsor
Pankaj Patel
Other
Eligibility
75 Years and older
Enrollment
264 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2022 – 2023
U.S. locations
1
States / cities
Sebring, Florida
Source: ClinicalTrials.gov public record
Updated Oct 1, 2024 · Synced Oct 27, 2026, 1:49 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 3, 2015 · Synced Oct 27, 2026, 1:49 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 24, 2019 · Synced Oct 27, 2026, 1:49 PM EDT
Terminated Not applicable Interventional Accepts healthy volunteers

Blue Light Therapy for Liver Surgery

NCT02915081
View directory record Official record
Conditions
Acute Kidney Injury, Liver Injury, Inflammation
Interventions
Blue light
Other
Lead sponsor
University of Pittsburgh
Other
Eligibility
18 Years and older
Enrollment
6 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2017 – 2018
U.S. locations
1
States / cities
Pittsburgh, Pennsylvania
Source: ClinicalTrials.gov public record
Updated Apr 5, 2019 · Synced Oct 27, 2026, 1:49 PM 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 27, 2026, 1:49 PM EDT
Terminated Not applicable Interventional

Blue Light as an Anti-inflammatory and Analgesic Strategy in Thoracic Trauma

NCT06626334
View directory record Official record
Conditions
Rib Fractures, Pain, Acute
Interventions
Bright Blue Light, Bright Full-Spectrum (White) Light, Usual Ambient Light
Device
Lead sponsor
Rebecca E Kotcher, MD
Other
Eligibility
18 Years and older
Enrollment
27 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2024 – 2026
U.S. locations
1
States / cities
Pittsburgh, Pennsylvania
Source: ClinicalTrials.gov public record
Updated Sep 8, 2026 · Synced Oct 27, 2026, 1:49 PM EDT
Completed Not applicable Interventional Accepts healthy volunteers

Effects of Combined Blue and Red Home-Based Light Therapy on Sleep in Adults With Self-Reported Sleep Difficulties

NCT07465250
View directory record Official record
Conditions
Sleep
Interventions
LED portable light therapy bulb
Other
Lead sponsor
Colorado State University
Other
Eligibility
18 Years and older
Enrollment
20 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2024 – 2025
U.S. locations
1
States / cities
Fort Collins, Colorado
Source: ClinicalTrials.gov public record
Updated Mar 12, 2026 · Synced Oct 27, 2026, 1:49 PM 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 27, 2026, 1:49 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 25, 2014 · Synced Oct 27, 2026, 1:49 PM 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 27, 2026, 1:49 PM EDT
Completed Not applicable Interventional Results available

A Non-Pharmacological Method for Enhancing Sleep in PTSD

NCT02370173
View directory record Official record
Conditions
PTSD, Sleep Problems
Interventions
PTSD wavelength-1 bright light, PTSD wavelength-2 bright light
Device
Lead sponsor
University of Arizona
Other
Eligibility
18 Years to 50 Years
Enrollment
90 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2014 – 2020
U.S. locations
1
States / cities
Tucson, Arizona
Source: ClinicalTrials.gov public record
Updated Jun 23, 2023 · Synced Oct 27, 2026, 1:49 PM EDT