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Showing 25–48 of 24 matching trials from the live ClinicalTrials.gov search.
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Filters: Intervention: Sun Exposure Clear all
Completed No phase listed Observational

Cancer Risk in Carriers of the Gene for Xeroderma Pigmentosum

NCT00046189
View directory record Official record
Conditions
Xeroderma Pigmentosum, Basal Cell Carcinoma, Squamous Cell Carcinoma, Melanoma, Skin Cancer
Interventions
Not listed
Lead sponsor
National Cancer Institute (NCI)
NIH
Eligibility
1 Month to 99 Years
Enrollment
301 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2003 – 2024
U.S. locations
1
States / cities
Bethesda, Maryland
Source: ClinicalTrials.gov public record
Updated Jan 7, 2024 · Synced Sep 16, 2026, 3:14 PM EDT
Completed Not applicable Interventional Results available

Wearable Device Intervention to Improve Sun Behaviors in Melanoma Survivors

NCT03927742
View directory record Official record
Conditions
Melanoma (Skin)
Interventions
Shade + app with messaging, Shape + app without messaging
Behavioral
Lead sponsor
University of Minnesota
Other
Eligibility
18 Years to 75 Years
Enrollment
368 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2020 – 2022
U.S. locations
1
States / cities
Minneapolis, Minnesota
Source: ClinicalTrials.gov public record
Updated May 12, 2024 · Synced Sep 16, 2026, 3:14 PM EDT
Completed Not applicable Interventional Accepts healthy volunteers

Clinical Case Study Evaluating the Efficacy and Tolerability of a Topical Facial Treatment on Healthy Females with Fitzpatrick Skin Types V and VI

NCT06633731
View directory record Official record
Conditions
Skin Smoothness, Radiance, Overall Appearance
Interventions
Biocellulose Mask, Post Procedure Cream, Gentle Cleanser, Facial Moisturizer, sunscreen
Other
Lead sponsor
Revision Skincare
Industry
Eligibility
45 Years to 65 Years · Female only
Enrollment
11 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2023 – 2024
U.S. locations
1
States / cities
Chicago, Illinois
Source: ClinicalTrials.gov public record
Updated Oct 8, 2024 · Synced Sep 16, 2026, 3:14 PM EDT
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 16, 2026, 3:14 PM EDT
Completed Not applicable Interventional Accepts healthy volunteers Results available

Comparing OTC Acne Treatment to Prescription Regimen

NCT01237821
View directory record Official record
Conditions
Acne Vulgaris
Interventions
BenzaClin, Effaclar
Drug
Lead sponsor
Milton S. Hershey Medical Center
Other
Eligibility
18 Years to 50 Years
Enrollment
66 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2010 – 2011
U.S. locations
1
States / cities
Hershey, Pennsylvania
Source: ClinicalTrials.gov public record
Updated Jul 15, 2019 · Synced Sep 16, 2026, 3:14 PM EDT
Completed Not applicable Interventional

Reducing UV Exposure to Prevent Skin Cancer: Message Development & Testing

NCT03201120
View directory record Official record
Conditions
Behavior, Health
Interventions
Outdoor Sun Behavior, Indoor Tanning Behavior
Behavioral
Lead sponsor
University of Pennsylvania
Other
Eligibility
18 Years to 49 Years
Enrollment
3,595 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2017
U.S. locations
1
States / cities
Philadelphia, Pennsylvania
Source: ClinicalTrials.gov public record
Updated Nov 13, 2018 · Synced Sep 16, 2026, 3:14 PM EDT
Completed Not applicable Interventional

Targeted Intervention for Melanoma Prevention

NCT00394134
View directory record Official record
Conditions
Melanoma
Interventions
Interview
Behavioral
Lead sponsor
M.D. Anderson Cancer Center
Other
Eligibility
18 Years and older
Enrollment
205 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2005 – 2019
U.S. locations
1
States / cities
Houston, Texas
Source: ClinicalTrials.gov public record
Updated Sep 12, 2019 · Synced Sep 16, 2026, 3:14 PM EDT
Completed Not applicable Interventional Accepts healthy volunteers

Evaluation of the Safety and Tolerability of a Brightening Treatment Paired With a Skincare Regimen

NCT07501000
View directory record Official record
Conditions
Hyperpigmentation, Skin Ageing, Post Inflammatory Hyperpigmentation, Skin Roughness
Interventions
Brightening Treatment
Other
Lead sponsor
Revision Skincare
Industry
Eligibility
20 Years to 65 Years · Female only
Enrollment
11 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2024 – 2025
U.S. locations
1
States / cities
Birmingham, Alabama
Source: ClinicalTrials.gov public record
Updated Jun 4, 2026 · Synced Sep 16, 2026, 3:14 PM EDT
Completed Phase 3 Interventional Accepts healthy volunteers

Sun-safe Habits Intervention and Education

NCT04341064
View directory record Official record
Conditions
Skin Cancer, Adolescents
Interventions
SHINE Intervention
Behavioral
Lead sponsor
University of Utah
Other
Eligibility
11 Years to 21 Years
Enrollment
2,223 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2020 – 2025
U.S. locations
1
States / cities
Salt Lake City, Utah
Source: ClinicalTrials.gov public record
Updated Oct 13, 2025 · Synced Sep 16, 2026, 3:14 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 16, 2026, 3:14 PM EDT
Completed No phase listed Observational

Sun Exposure and Melanoma in Agricultural Workers

NCT00901966
View directory record Official record
Conditions
Melanoma
Interventions
Not listed
Lead sponsor
National Cancer Institute (NCI)
NIH
Eligibility
18 Years to 100 Years
Enrollment
447 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2009 – 2013
U.S. locations
1
States / cities
Bethesda, Maryland
Source: ClinicalTrials.gov public record
Updated Oct 27, 2020 · Synced Sep 16, 2026, 3:14 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 16, 2026, 3:14 PM EDT
Recruiting Not applicable Interventional

Developing a Digital Intervention for Adolescent Nonsuicidal Self-injury

NCT07224165
View directory record Official record
Conditions
Nonsuicidal Self-injury, Depression, Anxiety
Interventions
App-based digital mental health intervention for adolescent NSSI, App-based delivery of healthy living psychoeducational materials
Device
Lead sponsor
Northwestern University
Other
Eligibility
14 Years to 18 Years
Enrollment
80 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2026 – 2027
U.S. locations
1
States / cities
Chicago, Illinois
Source: ClinicalTrials.gov public record
Updated Jul 7, 2026 · Synced Sep 16, 2026, 3:14 PM EDT
Not listed Not applicable Interventional Accepts healthy volunteers

Chemical Peels and Fractional Laser on IGF-1 Levels in Skin

NCT03775031
View directory record Official record
Conditions
Skin Cancer
Interventions
Fractional Laser and Chemical Peel
Device
Lead sponsor
Massachusetts General Hospital
Other
Eligibility
55 Years and older
Enrollment
20 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2019 – 2021
U.S. locations
1
States / cities
Boston, Massachusetts
Source: ClinicalTrials.gov public record
Updated Oct 21, 2020 · Synced Sep 16, 2026, 3:14 PM 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 16, 2026, 3:14 PM EDT
Completed Not applicable Interventional Accepts healthy volunteers

PACE Vape Messaging Study

NCT04450537
View directory record Official record
Conditions
Vaping, E-cigarette Use, Electronic Cigarette Use
Interventions
Vape Messaging Intervention
Behavioral
Lead sponsor
University of Vermont
Other
Eligibility
18 Years to 24 Years
Enrollment
569 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2020
U.S. locations
1
States / cities
Burlington, Vermont
Source: ClinicalTrials.gov public record
Updated Nov 2, 2020 · Synced Sep 16, 2026, 3:14 PM EDT
Completed Phase 2 Interventional Results available

Preventative Skin Care for Children Undergoing Targeted CNS Tumor Therapy

NCT04479514
View directory record Official record
Conditions
Pediatric Cancer, CNS Tumor, Childhood, Skin Inflammation
Interventions
Warm Baths or Showers, Moisturizer, SPF 30 or Higher Suncreen, Sun Protective Clothing, Limited Sun Exposure, Dilute bleach baths
Other · Drug · Behavioral
Lead sponsor
Dana-Farber Cancer Institute
Other
Eligibility
6 Months to 18 Years
Enrollment
14 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2020 – 2025
U.S. locations
2
States / cities
Boston, Massachusetts
Source: ClinicalTrials.gov public record
Updated Jun 11, 2026 · Synced Sep 16, 2026, 3:14 PM EDT
Completed Not applicable Interventional Accepts healthy volunteers

SunSmart Intervention in Schools

NCT03745872
View directory record Official record
Conditions
Melanoma
Interventions
Knowledge Assessment
Behavioral
Lead sponsor
University of Colorado, Denver
Other
Eligibility
9 Years to 15 Years
Enrollment
76 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2017 – 2021
U.S. locations
1
States / cities
Aurora, Colorado
Source: ClinicalTrials.gov public record
Updated Jan 3, 2022 · Synced Sep 16, 2026, 3:14 PM EDT
Completed No phase listed Observational Accepts healthy volunteers

Vitamin D Deficiency in Elderly African American Women in Central Texas

NCT01971411
View directory record Official record
Conditions
Vitamin D Deficiency, Osteoporosis, Osteopenia
Interventions
Calcium 500mg with 200 IU Vitamin D - 2 tablets daily, Blood levels of Vitamin D, Serum CTX, Mg, Ca++ and iPTH, Usual sun exposure documentation, Dietary intake of calcium, vitamin D, magnesium
Drug · Procedure · Behavioral
Lead sponsor
McLennan County Medical Education and Research Foundation
Other
Eligibility
70 Years and older · Female only
Enrollment
60 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2006 – 2007
U.S. locations
1
States / cities
Waco, Texas
Source: ClinicalTrials.gov public record
Updated Mar 29, 2018 · Synced Sep 16, 2026, 3:14 PM EDT
Completed Phase 3 Interventional Accepts healthy volunteers Results available

Study to Find Out if Cream V61-044 Used to Treat Fungal Infections Causes an Allergic Skin Reaction to Sunlight in Healthy Participants

NCT04532164
View directory record Official record
Conditions
Dermatitis, Photoallergic
Interventions
Butenafine HCl 1% (BAY1896425) - Induction Phase, Butenafine HCl 1% (BAY1896425) - Challenge Phase
Drug
Lead sponsor
Bayer
Industry
Eligibility
18 Years to 60 Years
Enrollment
137 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2013
U.S. locations
1
States / cities
Fairfield, New Jersey
Source: ClinicalTrials.gov public record
Updated Nov 15, 2020 · Synced Sep 16, 2026, 3:14 PM EDT
Completed Not applicable Interventional Accepts healthy volunteers

The Impact of Artificial Sunlight on Human Sleep and Circadian Rhythms

NCT03636360
View directory record Official record
Conditions
Sleep, Circadian Dysregulation, Mood
Interventions
Light
Device
Lead sponsor
VA Palo Alto Health Care System
Federal
Eligibility
18 Years to 35 Years
Enrollment
10 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2019 – 2021
U.S. locations
1
States / cities
Palo Alto, California
Source: ClinicalTrials.gov public record
Updated Mar 29, 2021 · Synced Sep 16, 2026, 3:14 PM EDT
Completed Not applicable Interventional Accepts healthy volunteers Results available

Impact of E-Cigarette Prevention Messages on Adolescents

NCT05985538
View directory record Official record
Conditions
Vaping Behavior
Interventions
Vaping prevention text messages, Wellness behaviors text messages
Behavioral
Lead sponsor
UNC Lineberger Comprehensive Cancer Center
Other
Eligibility
13 Years to 20 Years
Enrollment
480 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2024
U.S. locations
1
States / cities
Chapel Hill, North Carolina
Source: ClinicalTrials.gov public record
Updated Aug 21, 2025 · Synced Sep 16, 2026, 3:14 PM EDT
Completed Not applicable Interventional Accepts healthy volunteers Results available

An Assessment of TLR4 and TOPK/PRPK Signaling in Sun Damaged Human Skin Acutely Exposed to Solar Simulated Light

NCT05398237
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 Sep 16, 2026, 3:14 PM EDT
Terminated No phase listed Observational Accepts healthy volunteers

Quantifying Skin Oxygenation Properties in Normal vs Sun Exposed Skin

NCT03311191
View directory record Official record
Conditions
Healthy, Sun Exposure
Interventions
Measurement of skin oxygenation and oxygen consumption
Device
Lead sponsor
Massachusetts General Hospital
Other
Eligibility
20 Years to 65 Years
Enrollment
11 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2017 – 2019
U.S. locations
1
States / cities
Boston, Massachusetts
Source: ClinicalTrials.gov public record
Updated Aug 13, 2019 · Synced Sep 16, 2026, 3:14 PM EDT