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ClinicalTrials.gov public records Last synced Sep 9, 2026, 8:47 PM EDT

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Showing 1–24 of 49 matching trials from the live ClinicalTrials.gov search.
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Filters: Condition: Ultraviolet Rays Clear all
Completed Phase 1Phase 2 Interventional Results available

Limbal Stem Cell Deficiency (LSCD) Treatment With Cultivated Stem Cell (CALEC) Graft

NCT02592330
View directory record Official record
Conditions
Limbal Stem Cell Deficiency
Interventions
Biopsy to collect limbal epithelial stem cells that will be cultivated into a graft, Cultivation of Limbal epithelial cells into a graft, CALEC Transplant
Procedure · Biological
Lead sponsor
Massachusetts Eye and Ear Infirmary
Other
Eligibility
18 Years to 89 Years
Enrollment
23 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2016 – 2023
U.S. locations
1
States / cities
Boston, Massachusetts
Source: ClinicalTrials.gov public record
Updated Jan 14, 2025 · Synced Sep 9, 2026, 8:47 PM EDT
Completed No phase listed Observational Results available

Deliberate Ultraviolet Light Exposure to Get a Tan by Young Adult Sexual Minority Males

NCT04404907
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 Sep 9, 2026, 8:47 PM EDT
Completed Not applicable Interventional Results available

Ultraviolet Light And Vitamin D In Subjects With Fat Malabsorption Or After Gastric Bypass Surgery

NCT01910792
View directory record Official record
Conditions
Vitamin D Deficiency, Gastrointestinal Diseases
Interventions
Sperti Lamp
Device
Lead sponsor
Boston University
Other
Eligibility
18 Years to 64 Years
Enrollment
19 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2011 – 2014
U.S. locations
1
States / cities
Boston, Massachusetts
Source: ClinicalTrials.gov public record
Updated Jul 10, 2017 · Synced Sep 9, 2026, 8:47 PM EDT
Completed No phase listed Observational Accepts healthy volunteers

The Response of Serum 25-Hydroxyvitamin D to Incidental Ultraviolet Light Exposure

NCT00832533
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 Sep 9, 2026, 8:47 PM EDT
Completed Early Phase 1 Interventional Accepts healthy volunteers

Pilot Study of Protein Profiling of the Human Epidermal Cells After Ultraviolet Irradiation

NCT00397436
View directory record Official record
Conditions
Proteomics
Interventions
UV Irradiation
Procedure
Lead sponsor
University of Minnesota
Other
Eligibility
18 Years to 30 Years · Male only
Enrollment
60 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2007 – 2015
U.S. locations
1
States / cities
Minneapolis, Minnesota
Source: ClinicalTrials.gov public record
Updated May 16, 2016 · Synced Sep 9, 2026, 8:47 PM EDT
Completed Not applicable Interventional

Photo-Protection Trial (NB-UVB vs. Placebo) in High-risk Hospitalized COVID-19 Patients

NCT04818970
View directory record Official record
Conditions
Covid19, Corona Virus Infection, Autoimmune Diseases, Coagulation Disorder, Blood
Interventions
Narrow Band ultraviolet B-Band Light, non Narrow Band ultraviolet B-Band Light
Device
Lead sponsor
Cytokind, Inc.
Industry
Eligibility
50 Years to 110 Years
Enrollment
30 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2021
U.S. locations
1
States / cities
New Orleans, Louisiana
Source: ClinicalTrials.gov public record
Updated Jun 14, 2022 · Synced Sep 9, 2026, 8:47 PM EDT
Completed Phase 1 Interventional Accepts healthy volunteers

Clinical Evaluation of the Photoallergy Potential of Atralin Gel

NCT00603772
View directory record Official record
Conditions
Healthy
Interventions
Atralin (tretinoin) gel, 0.05%
Drug
Lead sponsor
Coria Laboratories, Ltd.
Industry
Eligibility
18 Years and older
Enrollment
40 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2008
U.S. locations
1
States / cities
Winston-Salem, North Carolina
Source: ClinicalTrials.gov public record
Updated May 5, 2008 · Synced Sep 9, 2026, 8:47 PM EDT
Completed Phase 2 Interventional

Safety Study of Aminolevulinic Acid (ALA) to Improve Visibility of Brain Tumors During Surgery

NCT00961090
View directory record Official record
Conditions
Glioblastoma
Interventions
Aminolevulinic Acid
Drug
Lead sponsor
Matthew R Quigley
Other
Eligibility
18 Years and older
Enrollment
72 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2009 – 2015
U.S. locations
1
States / cities
Pittsburgh, Pennsylvania
Source: ClinicalTrials.gov public record
Updated Apr 11, 2019 · Synced Sep 9, 2026, 8:47 PM EDT
Completed Phase 2 Interventional Accepts healthy volunteers Results available

Efficacy of Polypodium Leucotomos Extract Decreasing UVA Premutagenic and Photoaging Markers

NCT00520910
View directory record Official record
Conditions
Aging, Skin Abnormalities
Interventions
Polypodium leucotomos
Drug
Lead sponsor
University of Miami
Other
Eligibility
18 Years and older
Enrollment
10 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2007 – 2009
U.S. locations
1
States / cities
Miami, Florida
Source: ClinicalTrials.gov public record
Updated Jun 17, 2019 · Synced Sep 9, 2026, 8:47 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 9, 2026, 8:47 PM EDT
Completed Not applicable Interventional Results available

Treatment of Acne Keloidalis Nuchae (Razor Bumps Behind the Neck) Using UV Light Therapy

NCT01328080
View directory record Official record
Conditions
Acne Keloidalis Nuchae
Interventions
Targeted UV-B
Radiation
Lead sponsor
Johns Hopkins University
Other
Eligibility
18 Years and older · Male only
Enrollment
11 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2011 – 2012
U.S. locations
1
States / cities
Baltimore, Maryland
Source: ClinicalTrials.gov public record
Updated Mar 28, 2017 · Synced Sep 9, 2026, 8:47 PM EDT
Completed Not applicable Interventional Results available

UVA Light Device to Treat COVID-19

NCT04572399
View directory record Official record
Conditions
Coronavirus
Interventions
UV Light Treatment
Device
Lead sponsor
Cedars-Sinai Medical Center
Other
Eligibility
18 Years and older
Enrollment
5 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2020
U.S. locations
1
States / cities
Los Angeles, California
Source: ClinicalTrials.gov public record
Updated Jan 8, 2025 · Synced Sep 9, 2026, 8:47 PM EDT
Completed Not applicable Interventional Accepts healthy volunteers

Water Immersion Studies of a Long-wear Sunscreen to Improve Protection Against Ultraviolet Radiation

NCT05767008
View directory record Official record
Conditions
Sunburn
Interventions
Sunscreen -R43
Other
Lead sponsor
Nanometics (d.b.a. PHD Biosciences)
Industry
Eligibility
18 Years to 55 Years
Enrollment
25 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2021 – 2022
U.S. locations
1
States / cities
La Jolla, California
Source: ClinicalTrials.gov public record
Updated Mar 12, 2023 · Synced Sep 9, 2026, 8:47 PM EDT
Recruiting Phase 2 Interventional

The Effect of Topical Imipramine on Photodynamic Therapy-Mediated Immunosuppression on Forearms or Face on US Veterans

NCT06778434
View directory record Official record
Conditions
Actinic Keratosis, Imipramine, Photodynamic Therapy
Interventions
Imipramine, Control Vehicle
Drug · Other
Lead sponsor
VA Office of Research and Development
Federal
Eligibility
18 Years and older
Enrollment
48 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2025 – 2029
U.S. locations
1
States / cities
Dayton, Ohio
Source: ClinicalTrials.gov public record
Updated Dec 21, 2025 · Synced Sep 9, 2026, 8:47 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 9, 2026, 8:47 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 9, 2026, 8:47 PM EDT
Terminated Not applicable Interventional

Comparing the Efficacy of Visible Light-Ultraviolet A1 Light Versus Narrowband-Ultraviolet B on Generalized Vitiligo

NCT05238077
View directory record Official record
Conditions
Generalized Vitiligo
Interventions
Visible Light-Ultraviolet A Light or Narrowband-Ultraviolet B phototherapy
Procedure
Lead sponsor
Henry Ford Health System
Other
Eligibility
18 Years and older
Enrollment
1 participant
Healthy volunteers
Healthy volunteers not accepted
Timeline
2018 – 2020
U.S. locations
1
States / cities
Detroit, Michigan
Source: ClinicalTrials.gov public record
Updated Feb 13, 2022 · Synced Sep 9, 2026, 8:47 PM EDT
Completed No phase listed Observational Accepts healthy volunteers

Effect of Solar-Simulated Ultraviolet Radiation on Gene Expression in Unprotected and Sunscreen-Protected Skin of Healthy Adults With Fitzpatrick Skin Type II

NCT00099112
View directory record Official record
Conditions
Non-melanomatous Skin Cancer, Precancerous Condition
Interventions
microarray analysis, biopsy, evaluation of cancer risk factors
Genetic · Procedure
Lead sponsor
National Cancer Institute (NCI)
NIH
Eligibility
18 Years to 45 Years
Healthy volunteers
Accepts healthy volunteers
Timeline
Started 2004
U.S. locations
1
States / cities
Bethesda, Maryland
Source: ClinicalTrials.gov public record
Updated Apr 29, 2015 · Synced Sep 9, 2026, 8:47 PM EDT
Not listed Phase 2 Interventional Accepts healthy volunteers

Ultraviolet Light Therapy for Systemic Lupus Erythematosus

NCT00004375
View directory record Official record
Conditions
Systemic Lupus Erythematosus
Interventions
ultraviolet A-1 light treatment
Procedure
Lead sponsor
National Center for Research Resources (NCRR)
NIH
Eligibility
15 Years to 70 Years
Enrollment
20 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
Started 1991
U.S. locations
2
States / cities
New Orleans, Louisiana
Source: ClinicalTrials.gov public record
Updated Jun 23, 2005 · Synced Sep 9, 2026, 8:47 PM EDT
Withdrawn Not applicable Interventional

Treatment of Infected Dialysis Catheters With Fiber Optic Ultraviolet Light

NCT02899780
View directory record Official record
Conditions
Catheter-Related Infections
Interventions
Ultraviolet light emitting optical fiber
Device
Lead sponsor
Ultraviolet Interventions
Industry
Eligibility
18 Years and older
Healthy volunteers
Healthy volunteers not accepted
Timeline
2017 – 2018
U.S. locations
1
States / cities
Baltimore, Maryland
Source: ClinicalTrials.gov public record
Updated Oct 29, 2018 · Synced Sep 9, 2026, 8:47 PM EDT
Completed Not applicable Interventional Accepts healthy volunteers

EUREKA: Evaluating Ultraviolet Radiation Exposure in Kids for Adaptive Intervention

NCT07204704
View directory record Official record
Conditions
Skin Cancer
Interventions
EUREKA Intervention
Behavioral
Lead sponsor
University of Utah
Other
Eligibility
8 Years to 17 Years
Enrollment
78 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2024 – 2025
U.S. locations
1
States / cities
Salt Lake City, Utah
Source: ClinicalTrials.gov public record
Updated Feb 2, 2026 · Synced Sep 9, 2026, 8:47 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 9, 2026, 8:47 PM EDT
Completed Not applicable Interventional

Effectiveness of Enhanced Terminal Room Disinfection to Prevent Healthcare-associated Infections (HAIs)

NCT01579370
View directory record Official record
Conditions
Multidrug Resistant Organisms, Healthcare Associated Infections
Interventions
Quaternary ammonium, Bleach, Quaternary ammonium and UV-C light, Bleach and UV-C light
Other
Lead sponsor
Duke University
Other
Eligibility
Not listed
Enrollment
21,395 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2012 – 2015
U.S. locations
9
States / cities
Burlington, North Carolina • Chapel Hill, North Carolina • Durham, North Carolina + 3 more
Source: ClinicalTrials.gov public record
Updated Nov 16, 2015 · Synced Sep 9, 2026, 8:47 PM EDT
Active, not recruiting Early Phase 1 Interventional Accepts healthy volunteers

Trem-1 and Ultraviolet Radiation-induced Immune Suppression

NCT05020496
View directory record Official record
Conditions
Skin Diseases
Interventions
Diphenylcyclopropenone (DPCP)
Drug
Lead sponsor
University of Alabama at Birmingham
Other
Eligibility
18 Years to 70 Years
Enrollment
70 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2022 – 2027
U.S. locations
1
States / cities
Birmingham, Alabama
Source: ClinicalTrials.gov public record
Updated Jul 19, 2026 · Synced Sep 9, 2026, 8:47 PM EDT