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ClinicalTrials.gov public records Last synced Sep 5, 2026, 11:53 AM EDT

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Showing 1–24 of 338 matching trials from the live ClinicalTrials.gov search.
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Filters: Intervention: light exposure Clear all
Recruiting Phase 3 Interventional

Compassionate Use Study of Epi-ON Corneal Collagen Crosslinking Performed Using UVA Exposure on Eyes With Ectatic Corneal Diseases for Subjects With Down Syndrome

NCT07135167
View directory record Official record
Conditions
Down Syndrome (DS), Keratoconus, Pellucid Marginal Degeneration, Forme Fruste Keratoconus (FFK)
Interventions
Epi-ON corneal cross-linking (CXL)
Combination Product
Lead sponsor
Woolfson Eye Institute
Other
Eligibility
8 Years and older
Enrollment
225 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2025 – 2028
U.S. locations
12
States / cities
Atlanta, Georgia • Canton, Georgia • Cumming, Georgia + 8 more
Source: ClinicalTrials.gov public record
Updated Feb 1, 2026 · Synced Sep 5, 2026, 11:53 AM EDT
Not yet recruiting Not applicable Interventional

Circadian Light Exposure Adjustment for Restfulness

NCT07391852
View directory record Official record
Conditions
Sleep Onset Latency
Interventions
Amber Tinted Glasses, Clear Glasses, Smart Lightbulbs
Device
Lead sponsor
University of Arizona
Other
Eligibility
60 Months to 83 Months
Enrollment
60 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2026 – 2030
U.S. locations
1
States / cities
Tucson, Arizona
Source: ClinicalTrials.gov public record
Updated Feb 5, 2026 · Synced Sep 5, 2026, 11:53 AM EDT
Completed Phase 2 Interventional Results available

COMbination of Bipolar Androgen Therapy and Nivolumab

NCT03554317
View directory record Official record
Conditions
Castration-resistant Prostate Cancer, Metastatic Prostate Cancer, Prostate Cancer
Interventions
Testosterone cypionate, Nivolumab
Drug
Lead sponsor
Sidney Kimmel Comprehensive Cancer Center at Johns Hopkins
Other
Eligibility
18 Years and older · Male only
Enrollment
45 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2018 – 2023
U.S. locations
3
States / cities
San Francisco, California • Baltimore, Maryland • Boston, Massachusetts
Source: ClinicalTrials.gov public record
Updated Feb 19, 2024 · Synced Sep 5, 2026, 11:53 AM EDT
Completed Not applicable Interventional

A Randomized Crossover Trial of Bright Light Therapy in Irritable Bowel Syndrome

NCT06676488
View directory record Official record
Conditions
Irritable Bowel Syndrome (IBS), Circadian Misalignment
Interventions
Re-Timer glasses, Placebo Device
Device
Lead sponsor
Medical University of South Carolina
Other
Eligibility
18 Years to 65 Years
Enrollment
5 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2025 – 2026
U.S. locations
1
States / cities
Charleston, South Carolina
Source: ClinicalTrials.gov public record
Updated Apr 6, 2026 · Synced Sep 5, 2026, 11:53 AM EDT
Completed Phase 1Phase 2 Interventional Accepts healthy volunteers

Red Light Photobiomodulation and Topical Disinfectants

NCT05797818
View directory record Official record
Conditions
Healthcare Associated Infection, Nosocomial Infection, Surgical Site Infection
Interventions
Methylene Blue Only, Chlorhexidine Gluconate Only, Methylene Blue + Chlorhexidine Gluconate, Light Only
Device
Lead sponsor
Ondine Biomedical Inc.
Industry
Eligibility
18 Years and older
Enrollment
28 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2023
U.S. locations
1
States / cities
Bothell, Washington
Source: ClinicalTrials.gov public record
Updated Apr 3, 2023 · Synced Sep 5, 2026, 11:53 AM EDT
Completed Not applicable Interventional Accepts healthy volunteers

Stimulation of Diet-Induced Thermogenesis by Cold-Exposure

NCT01898949
View directory record Official record
Conditions
Thermogenesis, Brown Adipose Tissue
Interventions
Cold Exposure
Other
Lead sponsor
Pennington Biomedical Research Center
Other
Eligibility
18 Years to 35 Years · Male only
Enrollment
9 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2010 – 2012
U.S. locations
1
States / cities
Baton Rouge, Louisiana
Source: ClinicalTrials.gov public record
Updated Jan 7, 2016 · Synced Sep 5, 2026, 11:53 AM EDT
Completed Not applicable Interventional

Indoor Daylight Photo Dynamic Therapy for Actinic Keratosis

NCT03805737
View directory record Official record
Conditions
Actinic Keratosis
Interventions
Amulez and sunlight, Amulez and red light treatment
Other
Lead sponsor
Dartmouth-Hitchcock Medical Center
Other
Eligibility
18 Years and older
Enrollment
43 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2019 – 2021
U.S. locations
1
States / cities
Lebanon, New Hampshire
Source: ClinicalTrials.gov public record
Updated Jan 19, 2022 · Synced Sep 5, 2026, 11:53 AM EDT
Not yet recruiting Phase 1 Interventional

Nanopulse Laser Therapy

NCT07520383
View directory record Official record
Conditions
TBI (Traumatic Brain Injury)
Interventions
Nano-Pulsed Laser Therapy (NPLT)
Device
Lead sponsor
The University of Texas Medical Branch, Galveston
Other
Eligibility
18 Years and older
Enrollment
30 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2026 – 2027
U.S. locations
1
States / cities
Galveston, Texas
Source: ClinicalTrials.gov public record
Updated Jul 12, 2026 · Synced Sep 5, 2026, 11:53 AM EDT
Completed Phase 3 Interventional Results available

Study to Evaluate the Safety and Efficacy of Epi-on Corneal Cross-linking in Eyes With Progressive Keratoconus

NCT03442751
View directory record Official record
Conditions
Progressive Keratoconus
Interventions
Test Article A, Test Article B, Placebo, KXL medical device system
Drug · Device
Lead sponsor
Glaukos Corporation
Industry
Eligibility
12 Years to 55 Years
Enrollment
201 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2018 – 2020
U.S. locations
1
States / cities
Waltham, Massachusetts
Source: ClinicalTrials.gov public record
Updated Jan 29, 2024 · Synced Sep 5, 2026, 11:53 AM EDT
Not listed Not applicable Interventional

Light Exposure on Pain in Hypermobile Ehlers-Danlos Syndrome

NCT05561270
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 Sep 5, 2026, 11:53 AM EDT
Completed Not applicable Interventional Results available

Efficacy Study of Light Therapy as an Adjunctive Treatment for Parkinson's Disease

NCT02175472
View directory record Official record
Conditions
Parkinson Disease
Interventions
Spectramax light therapy device, Control light device
Device
Lead sponsor
PhotoPharmics, Inc.
Industry
Eligibility
45 Years and older
Enrollment
92 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2014 – 2016
U.S. locations
2
States / cities
Boston, Massachusetts • Orem, Utah
Source: ClinicalTrials.gov public record
Updated Oct 22, 2018 · Synced Sep 5, 2026, 11:53 AM 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 5, 2026, 11:53 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 11, 2026 · Synced Sep 5, 2026, 11:53 AM EDT
Not listed Not applicable Interventional

Visual Acuity Outcome Differences Between the Alcon Vivity Toric IOL and RxSight LAL+

NCT06574646
View directory record Official record
Conditions
Cataract
Interventions
LAL+, Clareon Vivity Toric IOL
Device
Lead sponsor
The Eye Associates
Other
Eligibility
45 Years and older
Enrollment
250 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2024 – 2026
U.S. locations
1
States / cities
Bradenton, Florida
Source: ClinicalTrials.gov public record
Updated Aug 27, 2024 · Synced Sep 5, 2026, 11:53 AM EDT
Completed Phase 1 Interventional

Photobiomodulation to Alter Cerebral Blood Flow and to Affect the Emotional Status of Patients With Major Depression

NCT00961454
View directory record Official record
Conditions
Major Depression, Anxiety Disorder, Post-Traumatic Stress Disorder, Substance Abuse Disorder
Interventions
Photobiomodulation with a super-luminous light emitting diode
Device
Lead sponsor
Massachusetts General Hospital
Other
Eligibility
18 Years to 60 Years
Enrollment
10 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2009
U.S. locations
1
States / cities
Boston, Massachusetts
Source: ClinicalTrials.gov public record
Updated Aug 18, 2009 · Synced Sep 5, 2026, 11:53 AM EDT
Completed Not applicable Interventional

Effects of Simulated Solar Radiation on Human Skin in Preventing Skin Cancer

NCT05027009
View directory record Official record
Conditions
Melanoma
Interventions
Physical Examination, Solar Simulated Light
Procedure · Other
Lead sponsor
OHSU Knight Cancer Institute
Other
Eligibility
18 Years to 100 Years
Enrollment
6 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2021 – 2022
U.S. locations
1
States / cities
Portland, Oregon
Source: ClinicalTrials.gov public record
Updated Jun 8, 2022 · Synced Sep 5, 2026, 11:53 AM EDT
Completed Not applicable Interventional Accepts healthy volunteers Results available

Investigating the Effects of Evening Light Exposure on Melatonin Suppression, Alertness and Nocturnal Sleep

NCT01586039
View directory record Official record
Conditions
Non-visual Photoreception
Interventions
Visible light
Device
Lead sponsor
Brigham and Women's Hospital
Other
Eligibility
18 Years to 30 Years
Enrollment
33 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2012 – 2014
U.S. locations
1
States / cities
Boston, Massachusetts
Source: ClinicalTrials.gov public record
Updated Sep 13, 2021 · Synced Sep 5, 2026, 11:53 AM 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 22, 2023 · Synced Sep 5, 2026, 11:53 AM EDT
Completed Phase 1 Interventional Accepts healthy volunteers

A Study to Evaluate the Potential of Tazarotene Foam to Cause a Reaction When Applied to the Skin and Exposed to Light on Healthy Volunteers

NCT01115322
View directory record Official record
Conditions
Acne Vulgaris
Interventions
Tazarotene Foam without irradiation, Tazarotene Foam with UVA and UVB irradiation, Tazarotene Foam with UVA, UVB, and visible light, Vehicle Foam without irradiation, Vehicle Foam with UVA and UVB irradiation, Vehicle Foam with UVA and UVB and visible light irradiation, No Treatment without irradiation, No Treatment with UVA and UVB irradiation, No Treatment with UVA and UVB and visible light irradiation
Drug
Lead sponsor
Stiefel, a GSK Company
Industry
Eligibility
18 Years to 65 Years
Enrollment
38 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2010
U.S. locations
1
States / cities
Scottsdale, Arizona
Source: ClinicalTrials.gov public record
Updated Jun 19, 2017 · Synced Sep 5, 2026, 11:53 AM EDT
Terminated Phase 1 Interventional

Photodynamic Therapy Using Lutetium Texaphyrin in Treating Patients With Cervical Intraepithelial Neoplasia

NCT00005808
View directory record Official record
Conditions
Cervical Cancer, Cervical Intraepithelial Neoplasia Grade 2, Cervical Intraepithelial Neoplasia Grade 3
Interventions
motexafin lutetium, photodynamic therapy, loop electrosurgical excision procedure, laboratory biomarker analysis
Drug · Procedure · Other
Lead sponsor
National Cancer Institute (NCI)
NIH
Eligibility
18 Years to 65 Years · Female only
Enrollment
54 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
Started 2000
U.S. locations
1
States / cities
Pittsburgh, Pennsylvania
Source: ClinicalTrials.gov public record
Updated Feb 6, 2013 · Synced Sep 5, 2026, 11:53 AM EDT
Recruiting Not applicable Interventional Accepts healthy volunteers

Temperature Rise Caused by Short or Long-wavelengths

NCT06418958
View directory record Official record
Conditions
Post-operative Pain
Interventions
Red Light, Blue Light
Device
Lead sponsor
University of Florida
Other
Eligibility
21 Years to 35 Years
Enrollment
50 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2025 – 2027
U.S. locations
1
States / cities
Gainesville, Florida
Source: ClinicalTrials.gov public record
Updated Nov 18, 2025 · Synced Sep 5, 2026, 11:53 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 2, 2026 · Synced Sep 5, 2026, 11:53 AM EDT
Completed Not applicable Interventional

Evaluating the Safety and Efficacy of Laight®-Therapy Treatment in Subjects With Hidradenitis Suppurativa

NCT05927948
View directory record Official record
Conditions
Hidradenitis Suppurativa
Interventions
Laight therapy, NICE V3.1 device
Device
Lead sponsor
Henry Ford Health System
Other
Eligibility
18 Years to 100 Years
Enrollment
10 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2019 – 2021
U.S. locations
1
States / cities
Detroit, Michigan
Source: ClinicalTrials.gov public record
Updated Oct 8, 2024 · Synced Sep 5, 2026, 11:53 AM EDT
Completed Not applicable Interventional Results available

Treatment of Vitamin D Deficiency in Intestinal Rehabilitation Clinic Patients With a Portable Ultraviolet B Lamp

NCT01930539
View directory record Official record
Conditions
Vitamin D Deficiency, Short Bowel Syndrome
Interventions
Ultraviolet B lamp
Device
Lead sponsor
University of Nebraska
Other
Eligibility
19 Years and older
Enrollment
11 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2013 – 2015
U.S. locations
1
States / cities
Omaha, Nebraska
Source: ClinicalTrials.gov public record
Updated Oct 3, 2023 · Synced Sep 5, 2026, 11:53 AM EDT