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ClinicalTrials.gov public records Last synced Oct 21, 2026, 10:37 AM EDT

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Showing 1–24 of 147 matching trials from the live ClinicalTrials.gov search.
Filters: Intervention: Bright Light Clear all
Recruiting Not applicable Interventional

Bright Light Therapy for OSA

NCT05917119
View directory record Official record
Conditions
Obstructive Sleep Apnea
Interventions
BLT, s-BLT
Other
Lead sponsor
VA Office of Research and Development
Federal
Eligibility
40 Years to 65 Years
Enrollment
60 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2024 – 2027
U.S. locations
1
States / cities
Pittsburgh, Pennsylvania
Source: ClinicalTrials.gov public record
Updated Jan 9, 2026 · Synced Oct 21, 2026, 10:37 AM EDT
Completed Phase 1 Interventional

Safety and Feasibility Study of Methylene Blue Photodynamic Therapy to Sterilize Deep Tissue Abscess Cavities

NCT02240498
View directory record Official record
Conditions
Abscess
Interventions
Methylene Blue, 20% I.V. Fat Emulsion, Insertion of optical fiber, Laser illumination, 5 minutes, Laser illumination, 10 minutes, Laser illumination, 15 minutes, Laser illumination, 20 minutes, Laser illumination, 25 minutes, Laser illumination, 30 minutes, Optical spectroscopy measurement
Drug · Device
Lead sponsor
University of Rochester
Other
Eligibility
18 Years and older
Enrollment
21 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2014 – 2023
U.S. locations
1
States / cities
Rochester, New York
Source: ClinicalTrials.gov public record
Updated Apr 7, 2026 · Synced Oct 21, 2026, 10:37 AM EDT
Terminated Not applicable Interventional Accepts healthy volunteers Results available

Melatonin Levels in Smith Magenis Syndrome (SMS)

NCT00691574
View directory record Official record
Conditions
Chromosome Disorders
Interventions
Melatonin, Enviro-light artificial light box
Dietary Supplement · Device
Lead sponsor
Oregon Health and Science University
Other
Eligibility
3 Years to 85 Years
Enrollment
5 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
1998 – 2009
U.S. locations
1
States / cities
Portland, Oregon
Source: ClinicalTrials.gov public record
Updated Nov 27, 2019 · Synced Oct 21, 2026, 10:37 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 21, 2026, 10:37 AM 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 21, 2026, 10:37 AM EDT
Withdrawn Not applicable Interventional Accepts healthy volunteers

Peri-operative Application of Eyeprotx General Anesthesia Goggles As Prevention Against Corneal Injury Post Intubation.

NCT03762889
View directory record Official record
Conditions
Corneal Injuries
Interventions
Eyeprotx™ General Anesthesia Protective Goggles, Eyelid Tape, Eye Ointment
Device
Lead sponsor
University of Miami
Other
Eligibility
18 Years and older
Healthy volunteers
Accepts healthy volunteers
Timeline
2019
U.S. locations
1
States / cities
Miami, Florida
Source: ClinicalTrials.gov public record
Updated Jun 6, 2019 · Synced Oct 21, 2026, 10:37 AM EDT
Completed Not applicable Interventional Accepts healthy volunteers Results available

Light Treatment for Sleep/Wake Disturbances in Alzheimer's Disease

NCT00946530
View directory record Official record
Conditions
Sleep Initiation and Maintenance Disorders
Interventions
Bright light, Control
Device
Lead sponsor
Stanford University
Other
Eligibility
55 Years to 100 Years
Enrollment
118 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2004 – 2010
U.S. locations
1
States / cities
Palo Alto, California
Source: ClinicalTrials.gov public record
Updated Oct 3, 2018 · Synced Oct 21, 2026, 10:37 AM EDT
Completed Not applicable Interventional Results available

Are Bright Lights and Regulated Sleep Effective Treatment for Depression?

NCT03010488
View directory record Official record
Conditions
Sleep Phase Rhythm Disturbance, Sleep Deprivation
Interventions
Morning Light Therapy, Assigned Sleep Times, Goggles
Behavioral · Device
Lead sponsor
New York State Psychiatric Institute
Other
Eligibility
18 Years to 75 Years
Enrollment
44 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2016 – 2019
U.S. locations
1
States / cities
New York, New York
Source: ClinicalTrials.gov public record
Updated Mar 23, 2021 · Synced Oct 21, 2026, 10:37 AM 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 21, 2026, 10:37 AM EDT
Completed Not applicable Interventional Accepts healthy volunteers Results available

Delayed Sleep Timing in Teens Study

NCT03806296
View directory record Official record
Conditions
Delayed Sleep Phase
Interventions
Increase morning bright light, Decrease evening blue light, Sleep scheduling, Monitor sleep, mood, and substance use
Other · Behavioral
Lead sponsor
University of Pittsburgh
Other
Eligibility
16 Years to 19 Years
Enrollment
142 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2018 – 2024
U.S. locations
1
States / cities
Pittsburgh, Pennsylvania
Source: ClinicalTrials.gov public record
Updated Aug 26, 2025 · Synced Oct 21, 2026, 10:37 AM 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 21, 2026, 10:37 AM EDT
Completed Not applicable Interventional Accepts healthy volunteers

Light Timing Study

NCT04753190
View directory record Official record
Conditions
Chronobiology, Light, Sleep, Circadian Rhythm, Adolescence
Interventions
Baseline Sleep Satiation and Phase Stabilization, Gradually Shifted Sleep
Behavioral
Lead sponsor
Rush University Medical Center
Other
Eligibility
18 Years to 20 Years
Enrollment
84 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2022 – 2025
U.S. locations
1
States / cities
Chicago, Illinois
Source: ClinicalTrials.gov public record
Updated Sep 15, 2026 · Synced Oct 21, 2026, 10:37 AM EDT
Recruiting Phase 2 Interventional

Bright White Light Therapy in Reducing Cancer-Related Fatigue and Depression in Advanced Prostate Cancer Patients Undergoing Treatment With ADT Combination Therapy

NCT05869682
View directory record Official record
Conditions
Advanced Prostate Carcinoma, Metastatic Prostate Carcinoma, Prostate Carcinoma, Stage III Prostate Cancer AJCC v8, Stage IV Prostate Cancer AJCC v8
Interventions
Bright White Light Therapy, Combination Drug Therapy, Electronic Health Record Review, Quality-of-Life Assessment, Questionnaire Administration
Procedure · Drug · Other
Lead sponsor
City of Hope Medical Center
Other
Eligibility
60 Years and older · Male only
Enrollment
210 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2024 – 2028
U.S. locations
1
States / cities
Duarte, California
Source: ClinicalTrials.gov public record
Updated Oct 7, 2026 · Synced Oct 21, 2026, 10:37 AM EDT
Completed Phase 1Phase 2 Interventional

Effects of Rapid-Resisted Exercise and Bright Light Therapy on Ambulatory Adults With Traumatic Brain Injury

NCT01175993
View directory record Official record
Conditions
Adult, Traumatic Brain Injury, fMRI
Interventions
Elliptical exercise
Other
Lead sponsor
National Institutes of Health Clinical Center (CC)
NIH
Eligibility
18 Years to 44 Years
Enrollment
34 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2011 – 2014
U.S. locations
1
States / cities
Bethesda, Maryland
Source: ClinicalTrials.gov public record
Updated Oct 16, 2026 · Synced Oct 21, 2026, 10:37 AM EDT
Completed Not applicable Interventional

Pilot Comparison of N-of-1 Trials of Light Therapy

NCT03167372
View directory record Official record
Conditions
Cancer, Health Behavior, Depression
Interventions
Litebook® Advantage, Fitbit Flex2 TM
Other
Lead sponsor
Columbia University
Other
Eligibility
21 Years and older
Enrollment
15 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2017 – 2018
U.S. locations
1
States / cities
New York, New York
Source: ClinicalTrials.gov public record
Updated Jun 25, 2019 · Synced Oct 21, 2026, 10:37 AM EDT
Not yet recruiting Phase 4 Interventional Accepts healthy volunteers

Light and Sleep Fragmentation

NCT06009289
View directory record Official record
Conditions
Sleep, Mild Cognitive Impairment, Mood Disorders
Interventions
Light therapy
Behavioral
Lead sponsor
Stanford University
Other
Eligibility
65 Years to 99 Years
Enrollment
120 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2026 – 2028
U.S. locations
1
States / cities
Redwood City, California
Source: ClinicalTrials.gov public record
Updated Aug 25, 2023 · Synced Oct 21, 2026, 10:37 AM 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 5, 2022 · Synced Oct 21, 2026, 10:37 AM 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 28, 2021 · Synced Oct 21, 2026, 10:37 AM EDT
Terminated Not applicable Interventional Results available

Napping, Sleep, Cognitive Decline and Risk of Alzheimer's Disease

NCT03256539
View directory record Official record
Conditions
Sleep, Alzheimer Disease, Cognitive Impairment, Aging, CBT
Interventions
Sleep intervention, Placebo intervention
Behavioral
Lead sponsor
University of California, San Francisco
Other
Eligibility
65 Years and older
Enrollment
15 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2021 – 2024
U.S. locations
1
States / cities
San Francisco, California
Source: ClinicalTrials.gov public record
Updated Nov 14, 2025 · Synced Oct 21, 2026, 10:37 AM EDT
Recruiting Not applicable Interventional

Type 1 Diabetes REst for Metabolic Health

NCT06627504
View directory record Official record
Conditions
Type 1 Diabetes (T1D), Sleep Health
Interventions
Sleep Health and Circadian Timing Intervention
Behavioral
Lead sponsor
University of Colorado, Denver
Other
Eligibility
14 Years to 19 Years
Enrollment
50 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2025 – 2029
U.S. locations
1
States / cities
Aurora, Colorado
Source: ClinicalTrials.gov public record
Updated Jun 3, 2026 · Synced Oct 21, 2026, 10:37 AM EDT
Recruiting Not applicable Interventional

Light Therapy and Occupational Therapy Fatigue Management-Based Intervention for Patients With Genitourinary Cancers

NCT05519878
View directory record Official record
Conditions
Bladder Carcinoma, Genitourinary System Neoplasm, Kidney Carcinoma, Prostate Carcinoma
Interventions
Best Practice, Bright White Light Therapy, Occupational Therapy, Questionnaire Administration
Other · Device · Behavioral
Lead sponsor
City of Hope Medical Center
Other
Eligibility
18 Years and older
Enrollment
224 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2023 – 2028
U.S. locations
1
States / cities
Duarte, California
Source: ClinicalTrials.gov public record
Updated Oct 19, 2026 · Synced Oct 21, 2026, 10:37 AM EDT
Completed Not applicable Interventional Results available

Sleep to Activate Mood Promotion

NCT02413294
View directory record Official record
Conditions
Depression, Sleep Quality
Interventions
Re-Timer glasses
Device
Lead sponsor
University of Michigan
Other
Eligibility
65 Years and older
Enrollment
12 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2015 – 2016
U.S. locations
1
States / cities
Ann Arbor, Michigan
Source: ClinicalTrials.gov public record
Updated Apr 7, 2017 · Synced Oct 21, 2026, 10:37 AM EDT
Terminated Not applicable Interventional Results available

Prevention of Delirium After Bone Marrow Transplantation

NCT01700816
View directory record Official record
Conditions
Delirium
Interventions
Bright light therapy, Sham light
Device
Lead sponsor
Massachusetts General Hospital
Other
Eligibility
18 Years to 90 Years
Enrollment
40 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2012 – 2013
U.S. locations
1
States / cities
Boston, Massachusetts
Source: ClinicalTrials.gov public record
Updated Jun 28, 2017 · Synced Oct 21, 2026, 10:37 AM EDT
Recruiting Not applicable Interventional

Transdiagnostic Sleep and Circadian Intervention + Bright Light in Adolescents With Elevated Depression (TranS-C+BL)

NCT06963463
View directory record Official record
Conditions
Sleep Disturbance, Sleep, Depression, Suicide
Interventions
TranS-C, Sleep Feedback
Behavioral
Lead sponsor
University of Pittsburgh
Other
Eligibility
12 Years to 18 Years
Enrollment
90 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2025 – 2027
U.S. locations
2
States / cities
Philadelphia, Pennsylvania • Pittsburgh, Pennsylvania
Source: ClinicalTrials.gov public record
Updated Jun 4, 2026 · Synced Oct 21, 2026, 10:37 AM EDT