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Showing 25–48 of 24 matching trials from the live ClinicalTrials.gov search.
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Filters: Intervention: Ultra Violet Light Exposure Clear all
Completed Not applicable Interventional Accepts healthy volunteers Results available

The Effect of Oral Vitamin D Versus Narrow-Band UV-B Exposure on the Lipid Profile

NCT01688102
View directory record Official record
Conditions
Vitamin D Deficiency
Interventions
Oral Vitamin D3, Ultraviolet Light
Dietary Supplement · Radiation
Lead sponsor
Rockefeller University
Other
Eligibility
18 Years to 70 Years
Enrollment
118 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2012 – 2015
U.S. locations
1
States / cities
New York, New York
Source: ClinicalTrials.gov public record
Updated Nov 5, 2017 · Synced Sep 25, 2026, 2:12 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 8, 2021 · Synced Sep 25, 2026, 2:12 PM EDT
Completed Not applicable Interventional Accepts healthy volunteers Results available

Evaluating the Effect of SOLIUS UV Light Source in Improving Vitamin D Status

NCT04780776
View directory record Official record
Conditions
Vitamin D Deficiency, Vitamin D Insufficiency
Interventions
UVB treatment, Sham comparator
Device
Lead sponsor
Boston University
Other
Eligibility
22 Years and older
Enrollment
69 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2022 – 2023
U.S. locations
1
States / cities
Boston, Massachusetts
Source: ClinicalTrials.gov public record
Updated Oct 21, 2024 · Synced Sep 25, 2026, 2:12 PM EDT
Not listed Early Phase 1 Interventional Accepts healthy volunteers

Molecular Responses Caused by UV Exposure of Human Skin

NCT05383664
View directory record Official record
Conditions
Ultraviolet Light Burn
Interventions
Ultra Violet Light Exposure
Other
Lead sponsor
Access Business Group
Industry
Eligibility
20 Years to 50 Years · Female only
Enrollment
20 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2022 – 2024
U.S. locations
1
States / cities
Ann Arbor, Michigan
Source: ClinicalTrials.gov public record
Updated Feb 9, 2023 · Synced Sep 25, 2026, 2:12 PM EDT
Recruiting Not applicable Interventional Accepts healthy volunteers

Chronic Treatment of Alzheimer's Disease by Gamma Light and Sound Therapy

NCT05655195
View directory record Official record
Conditions
Alzheimer Disease, Alzheimer Disease, Early Onset, Alzheimer Disease, Late Onset, Alzheimer's Disease (Incl Subtypes), Alzheimer's, Alzheimer's Disease
Interventions
GENUS device (Active Settings), GENUS device (sham settings)
Device
Lead sponsor
Massachusetts Institute of Technology
Other
Eligibility
65 Years to 100 Years
Enrollment
60 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2022 – 2026
U.S. locations
1
States / cities
Cambridge, Massachusetts
Source: ClinicalTrials.gov public record
Updated Mar 29, 2026 · Synced Sep 25, 2026, 2:12 PM EDT
Completed Not applicable Interventional

Using Early Time Restricted Feeding and Timed Light Therapy to Improve Glycemic Control in Adults With Type 2 Diabetes

NCT04155619
View directory record Official record
Conditions
Diabetes Mellitus, Type 2, Time Restricted Feeding, Light; Therapy, Complications
Interventions
No change in meal timing, No change in light exposure, Early Time-Restricted Feeding, Timed Light Therapy
Behavioral
Lead sponsor
University of Alabama at Birmingham
Other
Eligibility
30 Years to 80 Years
Enrollment
190 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2021 – 2026
U.S. locations
1
States / cities
Birmingham, Alabama
Source: ClinicalTrials.gov public record
Updated Jun 1, 2026 · Synced Sep 25, 2026, 2:12 PM EDT
Completed Not applicable Interventional

Evaluation of Pathway Modulation by Raf, MEK, & Kinase Inhibitors

NCT03176485
View directory record Official record
Conditions
Metastatic Cancer, Melanoma, Colon Cancer, Differentiated Thyroid Cancer, Hepatocellular Carcinoma, Renal Cell Carcinoma, Metastatic Melanoma, HCC, Metastatic Colon Cancer
Interventions
Solar Simulator
Other
Lead sponsor
University of Arizona
Other
Eligibility
18 Years and older
Enrollment
45 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2014 – 2018
U.S. locations
1
States / cities
Tucson, Arizona
Source: ClinicalTrials.gov public record
Updated Jan 3, 2019 · Synced Sep 25, 2026, 2:12 PM EDT
Not yet recruiting Not applicable Interventional

A Randomized Clinical Trial of Ex Vivo Corneal Cross-Linking of Donor Keratoplasty Tissue for Keratoconus Used for Keratoplasty in Keratoconus Patients

NCT04584125
View directory record Official record
Conditions
Keratoconus
Interventions
Riboflavin 5'-phosphate in 20% dextran ophthalmic solution) 0.146% with UV light, Riboflavin 5'-phosphate in 20% dextran ophthalmic solution) 0.146% without UV light
Drug
Lead sponsor
Joseph B. Ciolino, MD
Other
Eligibility
18 Years to 50 Years
Enrollment
216 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2027 – 2028
U.S. locations
1
States / cities
Boston, Massachusetts
Source: ClinicalTrials.gov public record
Updated Apr 7, 2026 · Synced Sep 25, 2026, 2:12 PM EDT
Withdrawn Not applicable Interventional Accepts healthy volunteers

Validation of a New Hand Held Light Emitting Diode Device for the Determination of Minimal Erythema Dose (MED)

NCT01818154
View directory record Official record
Conditions
Phototherapy
Interventions
LED phototherapy, narrowband UVB phototherapy
Other
Lead sponsor
Henry Ford Health System
Other
Eligibility
18 Years to 120 Years
Healthy volunteers
Accepts healthy volunteers
Timeline
2012 – 2013
U.S. locations
1
States / cities
Detroit, Michigan
Source: ClinicalTrials.gov public record
Updated Mar 1, 2022 · Synced Sep 25, 2026, 2:12 PM EDT
Completed Phase 2Phase 3 Interventional

Extracorporeal Photopheresis for Acute Graft Versus Host Disease

NCT00179855
View directory record Official record
Conditions
Graft Versus Host Disease, Cancer, Stem Cell Transplantation
Interventions
Extracorporeal Photopheresis
Procedure
Lead sponsor
Ann & Robert H Lurie Children's Hospital of Chicago
Other
Eligibility
Up to 30 Years
Enrollment
10 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2003 – 2010
U.S. locations
1
States / cities
Chicago, Illinois
Source: ClinicalTrials.gov public record
Updated Feb 11, 2025 · Synced Sep 25, 2026, 2:12 PM 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 25, 2026, 2:12 PM EDT
Terminated No phase listed Observational

Ultraviolet Light Exposure and Immunosuppression in Cutaneous Melanoma

NCT00996827
View directory record Official record
Conditions
Melanoma
Interventions
Not listed
Lead sponsor
New Mexico Cancer Research Alliance
Other
Eligibility
18 Years to 95 Years
Enrollment
100 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2009 – 2013
U.S. locations
2
States / cities
Albuquerque, New Mexico
Source: ClinicalTrials.gov public record
Updated Jun 17, 2015 · Synced Sep 25, 2026, 2:12 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 5, 2019 · Synced Sep 25, 2026, 2:12 PM EDT
Recruiting Not applicable Interventional Accepts healthy volunteers

Gamma Frequency Stimulation in Individuals With Down Syndrome

NCT05196984
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 Sep 25, 2026, 2:12 PM EDT
Completed Phase 1 Interventional Accepts healthy volunteers Results available

Inactivation of Whole Blood With Mirasol

NCT01907906
View directory record Official record
Conditions
Focus of Study: Radiolabel Recovery and Survival of RBCs
Interventions
Mirasol System for Whole Blood
Device
Lead sponsor
Terumo BCTbio
Industry
Eligibility
18 Years and older
Enrollment
29 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2013 – 2014
U.S. locations
2
States / cities
Cincinnati, Ohio • Seattle, Washington
Source: ClinicalTrials.gov public record
Updated Aug 17, 2015 · Synced Sep 25, 2026, 2:12 PM EDT
Terminated Not applicable Interventional Accepts healthy volunteers Results available

The Effect of Violet Device Dosed Ultra Violet-C Light (UV-C) Exposure on Healthy Hand Skin

NCT05313555
View directory record Official record
Conditions
Healthy Volunteers
Interventions
Ultraviolet Light (UV-B), Ultraviolet lights (UV-C) - 1 cycle, Ultraviolet lights (UV-C) - 10 cycles, Ultraviolet lights (UV-C) - 15 cycles, Ultraviolet lights (UV-C) - 25 cycles
Device
Lead sponsor
University of Michigan
Other
Eligibility
18 Years to 55 Years
Enrollment
23 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2022
U.S. locations
1
States / cities
Ann Arbor, Michigan
Source: ClinicalTrials.gov public record
Updated May 27, 2026 · Synced Sep 25, 2026, 2:12 PM EDT
Completed Not applicable Interventional Accepts healthy volunteers

Singlet Oxygen Quantification After Skin Exposure to Ultraviolet A (UVA) Light

NCT05865431
View directory record Official record
Conditions
Sun Damaged Skin
Interventions
Zinc Oxide and Avobenzone
Drug
Lead sponsor
University of California, Davis
Other
Eligibility
18 Years and older
Enrollment
17 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2017 – 2018
U.S. locations
1
States / cities
Sacramento, California
Source: ClinicalTrials.gov public record
Updated Apr 26, 2025 · Synced Sep 25, 2026, 2:12 PM EDT
Recruiting Not applicable Interventional

High Frequency Light, Sound, and Tactile Stimulation to Improve Motor and Cognitive Deficits in Parkinson's Disease

NCT05268887
View directory record Official record
Conditions
Parkinson Disease
Interventions
GENUS device (Active Settings), GENUS device (Sham settings)
Device
Lead sponsor
Massachusetts Institute of Technology
Other
Eligibility
45 Years to 90 Years
Enrollment
40 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2022 – 2027
U.S. locations
1
States / cities
Cambridge, Massachusetts
Source: ClinicalTrials.gov public record
Updated Mar 30, 2026 · Synced Sep 25, 2026, 2:12 PM EDT
Terminated Phase 2 Interventional Accepts healthy volunteers Results available

Green Tea and Ultraviolet Light-induced Skin Damage

NCT00134381
View directory record Official record
Conditions
Healthy
Interventions
Green Tea, Placebo
Drug
Lead sponsor
Rutgers, The State University of New Jersey
Other
Eligibility
18 Years to 65 Years
Enrollment
68 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2003 – 2012
U.S. locations
1
States / cities
New Brunswick, New Jersey
Source: ClinicalTrials.gov public record
Updated Sep 5, 2017 · Synced Sep 25, 2026, 2:12 PM EDT
Completed Not applicable Interventional Results available

Benefits of Tanning in Fibromyalgia Patients

NCT00447083
View directory record Official record
Conditions
Fibromyalgia Syndrome
Interventions
UVB, Non-UVB
Device · Procedure
Lead sponsor
Wake Forest University
Other
Eligibility
25 Years to 60 Years
Enrollment
19 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2005 – 2008
U.S. locations
1
States / cities
Winston-Salem, North Carolina
Source: ClinicalTrials.gov public record
Updated Nov 12, 2018 · Synced Sep 25, 2026, 2:12 PM EDT
Terminated Phase 2 Interventional

Study of the Safety and Effectiveness of Photochemically Induced Collagen Cross-Linking in Eyes With Keratoconus.

NCT02762253
View directory record Official record
Conditions
Keratoconus
Interventions
Riboflavin drops
Drug
Lead sponsor
Nvision Laser Eye Centers
Industry
Eligibility
12 Years and older
Enrollment
320 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2012 – 2016
U.S. locations
11
States / cities
Camarillo, California • Citrus Heights, California • Fullerton, California + 8 more
Source: ClinicalTrials.gov public record
Updated May 4, 2016 · Synced Sep 25, 2026, 2:12 PM EDT
Enrolling by invitation Phase 2 Interventional

Bright Light Therapy for Depressed Geriatric Inpatients

NCT07002554
View directory record Official record
Conditions
Unipolar Depression
Interventions
Bright light therapy, dim red light
Device
Lead sponsor
Medical University of South Carolina
Other
Eligibility
60 Years and older
Enrollment
20 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2025 – 2027
U.S. locations
1
States / cities
Charleston, South Carolina
Source: ClinicalTrials.gov public record
Updated Apr 15, 2026 · Synced Sep 25, 2026, 2:12 PM EDT
Recruiting Phase 3 Interventional

Comparison of Epi-ON Corneal Collagen Crosslinking Performed Using an 18-Minute UVA Exposure vs. a 24-Minute UVA Exposure on Eyes With Ectatic Corneal Diseases

NCT07124910
View directory record Official record
Conditions
Keratoconus, Ectasia of Cornea, Pellucid Marginal Corneal Degeneration, Forme Fruste Keratoconus (FFK)
Interventions
Epi-ON corneal cross-linking
Combination Product
Lead sponsor
Woolfson Eye Institute
Other
Eligibility
8 Years and older
Enrollment
485 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 25, 2026, 2:12 PM EDT
Completed Not applicable Interventional

Visible Light Study

NCT02663921
View directory record Official record
Conditions
Skin Disease, Pigment Disorders
Interventions
Part A: Baseline-Week 2, Part B: Week 4-Week 12
Other
Lead sponsor
NYU Langone Health
Other
Eligibility
18 Years and older
Enrollment
8 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2015 – 2019
U.S. locations
1
States / cities
New York, New York
Source: ClinicalTrials.gov public record
Updated Jun 16, 2019 · Synced Sep 25, 2026, 2:12 PM EDT