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ClinicalTrials.gov public records Last synced May 21, 2026, 10:59 PM EDT

Data is sourced from official ClinicalTrials.gov public API records. Always review the official ClinicalTrials.gov record for the latest information.

Showing 1–24 of 64 matching trials from the live ClinicalTrials.gov search.
Local D1 index available.
Filters: Condition: Light Exposure Clear all
Recruiting Not applicable Interventional
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 13, 2025 · Synced May 21, 2026, 10:59 PM EDT
Completed Not applicable Interventional Accepts healthy volunteers
View directory record Official record
Conditions
Alzheimer's Disease, Mild Cognitive Impairment
Interventions
Light goggles, Daily reminder test message
Device · Behavioral
Lead sponsor
Icahn School of Medicine at Mount Sinai
Other
Eligibility
55 Years and older
Enrollment
20 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2024
U.S. locations
1
States / cities
Menands, New York
Source: ClinicalTrials.gov public record
Updated Oct 13, 2025 · Synced May 21, 2026, 10:59 PM EDT
Active, not recruiting Early Phase 1 Interventional Accepts healthy volunteers
View directory record Official record
Conditions
Skin Aging
Interventions
Sulforaphane (broccoli sprout extract), UV or visible light
Drug · Radiation
Lead sponsor
Johns Hopkins University
Other
Eligibility
18 Years and older
Enrollment
12 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2019 – 2026
U.S. locations
1
States / cities
Baltimore, Maryland
Source: ClinicalTrials.gov public record
Updated Sep 25, 2025 · Synced May 21, 2026, 10:59 PM EDT
Not listed Not applicable Interventional Accepts healthy volunteers
View directory record Official record
Conditions
Light Exposure, Meal Timing
Interventions
Bright Light, Time-restricted eating, Dim light, 12-h meal window
Behavioral
Lead sponsor
Brigham and Women's Hospital
Other
Eligibility
18 Years to 30 Years
Enrollment
48 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2022 – 2025
U.S. locations
1
States / cities
Boston, Massachusetts
Source: ClinicalTrials.gov public record
Updated Jun 6, 2023 · Synced May 21, 2026, 10:59 PM EDT
Recruiting Not applicable Interventional Accepts healthy volunteers
View directory record Official record
Conditions
Down Syndrome
Interventions
GENUS device (Active Settings), GENUS device (Sham Settings)
Device
Lead sponsor
Massachusetts Institute of Technology
Other
Eligibility
25 Years to 65 Years
Enrollment
60 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2021 – 2026
U.S. locations
1
States / cities
Cambridge, Massachusetts
Source: ClinicalTrials.gov public record
Updated Mar 30, 2026 · Synced May 21, 2026, 10:59 PM EDT
Completed Not applicable Interventional Accepts healthy volunteers
View directory record Official record
Conditions
Hearing Loss, Noise-Induced
Interventions
Near Infrared Light, Noise Stimulus, Sham Near Infrared Light
Device · Other
Lead sponsor
University of Miami
Other
Eligibility
18 Years to 45 Years
Enrollment
14 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2020 – 2021
U.S. locations
3
States / cities
Fort Rucker, Alabama • Miami, Florida • Wright-Patterson Air Force Base, Ohio
Source: ClinicalTrials.gov public record
Updated Apr 18, 2022 · Synced May 21, 2026, 10:59 PM EDT
Completed No phase listed Observational Results available
View directory record Official record
Conditions
Sun Sensitivity
Interventions
no intervention
Other
Lead sponsor
Northwestern University
Other
Eligibility
18 Years to 39 Years · Male only
Enrollment
537 participants
Timeline
2019 – 2020
U.S. locations
1
States / cities
Chicago, Illinois
Source: ClinicalTrials.gov public record
Updated Jan 4, 2021 · Synced May 21, 2026, 10:59 PM EDT
Not listed Not applicable Interventional Accepts healthy volunteers
View directory record Official record
Conditions
Eye Fatigue, Diet, Healthy, Cognitive Change
Interventions
lutein, placebo
Dietary Supplement
Lead sponsor
Northcentral University
Other
Eligibility
8 Years to 16 Years
Enrollment
59 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2023 – 2024
U.S. locations
1
States / cities
Des Moines, Iowa
Source: ClinicalTrials.gov public record
Updated Nov 29, 2023 · Synced May 21, 2026, 10:59 PM EDT
Not listed No phase listed Observational Accepts healthy volunteers
View directory record Official record
Conditions
Loss of Facial Adipose Tissue
Interventions
Study Photography + Personal & Medical History Collection
Other
Lead sponsor
McDaniel Institute of Anti-Aging Research
Industry
Eligibility
45 Years to 80 Years
Enrollment
400 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2017 – 2018
U.S. locations
1
States / cities
Virginia Beach, Virginia
Source: ClinicalTrials.gov public record
Updated Nov 19, 2017 · Synced May 21, 2026, 10:59 PM EDT
Not listed Not applicable Interventional
View directory record Official record
Conditions
Stroke, Traumatic Brain Injury, Non-traumatic Brain Injury
Interventions
Philips GoLite Blu HF3429/60, Philips LivingColor Aura 70998/60/48
Other
Lead sponsor
St. Luke's Rehabilitation Institute
Other
Eligibility
18 Years to 85 Years
Enrollment
52 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2017 – 2022
U.S. locations
1
States / cities
Spokane, Washington
Source: ClinicalTrials.gov public record
Updated May 8, 2022 · Synced May 21, 2026, 10:59 PM EDT
Completed Not applicable Interventional Accepts healthy volunteers
View directory record Official record
Conditions
Radiation Tolerance, Skin Aging, Rhytids
Interventions
LED GentleWaves®
Device
Lead sponsor
L'Oreal
Industry
Eligibility
18 Years and older
Enrollment
100 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2008
U.S. locations
1
States / cities
Carrollton, Texas
Source: ClinicalTrials.gov public record
Updated Jan 6, 2009 · Synced May 21, 2026, 10:59 PM EDT
Completed Phase 1Phase 2 Interventional Accepts healthy volunteers
View directory record Official record
Conditions
Phobias, Claustrophobia, Social Phobia
Interventions
Extinction Training, Low-Level Laser Therapy, Sham Low-Level Laser Therapy
Behavioral · Device
Lead sponsor
University of Texas at Austin
Other
Eligibility
18 Years to 65 Years
Enrollment
112 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2015 – 2020
U.S. locations
1
States / cities
Austin, Texas
Source: ClinicalTrials.gov public record
Updated Dec 27, 2022 · Synced May 21, 2026, 10:59 PM EDT
Active, not recruiting No phase listed Observational Accepts healthy volunteers
View directory record Official record
Conditions
Age-related Macular Degeneration, Age-related Maculopathy
Interventions
Observational-1, Observational-2
Other
Lead sponsor
University of California, Los Angeles
Other
Eligibility
49 Years and older
Enrollment
603 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2011 – 2027
U.S. locations
2
States / cities
Los Angeles, California • Pittsburgh, Pennsylvania
Source: ClinicalTrials.gov public record
Updated Nov 6, 2023 · Synced May 21, 2026, 10:59 PM EDT
Not listed Not applicable Interventional
View directory record Official record
Conditions
Epilepsy, Epilepsy Intractable
Interventions
Green Light Exposure
Device
Lead sponsor
Boston Children's Hospital
Other
Eligibility
6 Months to 30 Years
Enrollment
16 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2019 – 2023
U.S. locations
1
States / cities
Boston, Massachusetts
Source: ClinicalTrials.gov public record
Updated Mar 8, 2022 · Synced May 21, 2026, 10:59 PM EDT
Not listed Not applicable Interventional Accepts healthy volunteers
View directory record Official record
Conditions
Pathogen Transmission
Interventions
405nm light
Device
Lead sponsor
Northwestern Medicine
Other
Eligibility
18 Years and older
Enrollment
824 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2020
U.S. locations
1
States / cities
Lake Forest, Illinois
Source: ClinicalTrials.gov public record
Updated Feb 11, 2020 · Synced May 21, 2026, 10:59 PM EDT
Completed Not applicable Interventional Results available
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 May 21, 2026, 10:59 PM EDT
Recruiting Not applicable Interventional
View directory record Official record
Conditions
Ehlers-Danlos Syndrome, Pain, Chronic
Interventions
White LED light, Green LED light
Device
Lead sponsor
New York Institute of Technology
Other
Eligibility
18 Years and older
Enrollment
30 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2022 – 2025
U.S. locations
1
States / cities
Old Westbury, New York
Source: ClinicalTrials.gov public record
Updated May 5, 2024 · Synced May 21, 2026, 10:59 PM EDT
Completed Not applicable Interventional
View directory record Official record
Conditions
Prostate Cancer, Sleep, Depression, Fatigue, Quality of Life
Interventions
Intervention systematic light exposure, Comparison systematic light exposure
Device
Lead sponsor
Northwestern University
Other
Eligibility
18 Years and older · Male only
Enrollment
75 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2018 – 2023
U.S. locations
1
States / cities
Chicago, Illinois
Source: ClinicalTrials.gov public record
Updated Mar 24, 2024 · Synced May 21, 2026, 10:59 PM EDT
Completed Not applicable Interventional
View directory record Official record
Conditions
Environmental Exposure to Ultraviolet Light
Interventions
THE INFORMATION + APPEARANCE VIDEO, Information SunSmart video, Sleep hygiene video
Other
Lead sponsor
Dana-Farber Cancer Institute
Other
Eligibility
18 Years to 35 Years
Enrollment
266 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2018 – 2021
U.S. locations
1
States / cities
Boston, Massachusetts
Source: ClinicalTrials.gov public record
Updated May 5, 2022 · Synced May 21, 2026, 10:59 PM EDT
Suspended Not applicable Interventional Accepts healthy volunteers
View directory record Official record
Conditions
Sleep Initiation and Maintenance Disorders, Circadian Rhythm Sleep Disorders, Hypersomnia
Interventions
light exposure
Procedure
Lead sponsor
National Institute on Aging (NIA)
NIH
Eligibility
55 Years to 80 Years
Enrollment
60 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2006 – 2007
U.S. locations
1
States / cities
Boston, Massachusetts
Source: ClinicalTrials.gov public record
Updated Dec 10, 2009 · Synced May 21, 2026, 10:59 PM EDT
Completed Not applicable Interventional Accepts healthy volunteers Results available
View directory record Official record
Conditions
Sun Damaged Skin
Interventions
Solar Simulated Light (SSL)
Other
Lead sponsor
University of Arizona
Other
Eligibility
18 Years to 90 Years
Enrollment
31 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2020 – 2023
U.S. locations
1
States / cities
Tucson, Arizona
Source: ClinicalTrials.gov public record
Updated Sep 23, 2024 · Synced May 21, 2026, 10:59 PM EDT
Recruiting No phase listed Observational
View directory record Official record
Conditions
Myopia
Interventions
Vivior
Device
Lead sponsor
The University of New South Wales
Other
Eligibility
4 Years to 14 Years
Enrollment
230 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2023 – 2026
U.S. locations
3
States / cities
Berkeley, California • Boston, Massachusetts • New York, New York
Source: ClinicalTrials.gov public record
Updated Dec 11, 2024 · Synced May 21, 2026, 10:59 PM EDT
Completed Not applicable Interventional Accepts healthy volunteers
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 11, 2026 · Synced May 21, 2026, 10:59 PM EDT
Completed No phase listed Observational Accepts healthy volunteers
View directory record Official record
Conditions
Melanoma
Interventions
Not listed
Lead sponsor
New Mexico Cancer Research Alliance
Other
Eligibility
18 Years and older
Enrollment
9 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2008 – 2010
U.S. locations
1
States / cities
Albuquerque, New Mexico
Source: ClinicalTrials.gov public record
Updated Sep 27, 2015 · Synced May 21, 2026, 10:59 PM EDT