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Showing 1–24 of 43 matching trials from the live ClinicalTrials.gov search.
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Filters: Condition: Photosensitivity Disorders Clear all
Recruiting Phase 3 Interventional Accepts healthy volunteers

Undergraduate Skin Cancer Prevention Trial

NCT05634252
View directory record Official record
Conditions
Skin Cancer
Interventions
Education, Action Plan, UV Photo, MC1R Test
Behavioral
Lead sponsor
University of Utah
Other
Eligibility
18 Years and older
Enrollment
528 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2023 – 2027
U.S. locations
1
States / cities
Salt Lake City, Utah
Source: ClinicalTrials.gov public record
Updated Dec 12, 2024 · Synced Jul 21, 2026, 5:28 PM EDT
Completed Phase 1Phase 2 Interventional Accepts healthy volunteers

Sequential Whole Bladder Photodynamic Therapy (WBPDT) in the Management of Superficial Bladder Cancer

NCT00322699
View directory record Official record
Conditions
Superficial Bladder Cancer
Interventions
Whole bladder laser light treatment as an alternative to radical cystectomy, Photofrin
Procedure · Drug
Lead sponsor
North Florida/South Georgia Veterans Health System
Other
Eligibility
18 Years and older
Enrollment
22 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2005 – 2011
U.S. locations
1
States / cities
Gainesville, Florida
Source: ClinicalTrials.gov public record
Updated Oct 25, 2012 · Synced Jul 21, 2026, 5:28 PM EDT
Recruiting Not applicable Interventional Accepts healthy volunteers

Cannabis Effects on Sleep, Circadian Rhythms, and Light Sensitivity in Young Adults

NCT06743373
View directory record Official record
Conditions
Cannabis Use, Sleep, Circadian Rhythm
Interventions
Cannabis Discontinuation
Behavioral
Lead sponsor
University of Pittsburgh
Other
Eligibility
18 Years to 25 Years
Enrollment
180 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2025 – 2029
U.S. locations
1
States / cities
Pittsburgh, Pennsylvania
Source: ClinicalTrials.gov public record
Updated Apr 5, 2026 · Synced Jul 21, 2026, 5:28 PM EDT
Completed Not applicable Interventional Results available

Study of the 532 nm KTP Laser for the Treatment of Poikiloderma of Civatte

NCT01491620
View directory record Official record
Conditions
Poikiloderma of Civatte, Dyschromia, Pigmentation Disorders, Telangiectasia, Photosensitivity Disorders
Interventions
532 nm KTP laser
Device
Lead sponsor
Cutera Inc.
Industry
Eligibility
35 Years to 65 Years
Enrollment
24 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2011 – 2013
U.S. locations
1
States / cities
Edina, Minnesota
Source: ClinicalTrials.gov public record
Updated Oct 27, 2022 · Synced Jul 21, 2026, 5:28 PM EDT
Completed Not applicable Interventional Accepts healthy volunteers

The Role of Spectral Filtering in a Spectrally Adjustable Ocular Photosensitivity Analyzer

NCT04811079
View directory record Official record
Conditions
Photosensitivity
Interventions
419 nm Spectacle Filter, 437 nm Spectacle Filter, 456 nm Spectacle Filter, 476 nm Spectacle Filter, 373 nm Spectacle Filter
Other
Lead sponsor
Johnson & Johnson Vision Care, Inc.
Industry
Eligibility
18 Years to 30 Years
Enrollment
53 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2021 – 2022
U.S. locations
1
States / cities
Coral Gables, Florida
Source: ClinicalTrials.gov public record
Updated Apr 24, 2025 · Synced Jul 21, 2026, 5:28 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 Jul 21, 2026, 5:28 PM EDT
Completed Not applicable Interventional Accepts healthy volunteers

Sun Safety Skills for Elementary School Students

NCT03752736
View directory record Official record
Conditions
Sunburn, Skin Cancer Prevention
Interventions
"I wear sunscreen everyday" song-based video
Behavioral
Lead sponsor
Stanford University
Other
Eligibility
5 Years to 7 Years
Enrollment
96 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2019
U.S. locations
1
States / cities
Cupertino, California
Source: ClinicalTrials.gov public record
Updated Aug 12, 2019 · Synced Jul 21, 2026, 5:28 PM EDT
Completed Phase 2 Interventional

Photosensitivity Proof of Concept Trial

NCT00894010
View directory record Official record
Conditions
Photosensitive Epilepsy
Interventions
carbamazepine 400mg, levetiracetam 1000mg
Drug
Lead sponsor
The Epilepsy Study Consortium
Other
Eligibility
18 Years to 60 Years
Enrollment
6 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2009 – 2011
U.S. locations
2
States / cities
Baltimore, Maryland • New York, New York
Source: ClinicalTrials.gov public record
Updated Mar 4, 2012 · Synced Jul 21, 2026, 5:28 PM EDT
Withdrawn Phase 1Phase 2 Interventional

A Study of Neoadjuvant Photodynamic Immunomodulation for Colon Cancer

NCT01522677
View directory record Official record
Conditions
Colon Cancer
Interventions
PDT with 5-ALA radiosensitization
Drug
Lead sponsor
Edward Nelson
Other
Eligibility
18 Years and older
Healthy volunteers
Healthy volunteers not accepted
Timeline
2012 – 2014
U.S. locations
2
States / cities
Orange, California • New York, New York
Source: ClinicalTrials.gov public record
Updated Nov 30, 2016 · Synced Jul 21, 2026, 5:28 PM EDT
Completed Phase 1 Interventional Accepts healthy volunteers Results available

Evaluation of Potential Phototoxicity Skin Reaction After Use of MC2-01 Cream

NCT03892564
View directory record Official record
Conditions
Phototoxicity
Interventions
MC2-01 Cream, irradiation, MC2-01 Cream, no irradiation, MC2-01 vehicle, irradiation, MC2-01 vehicle, no irradiation, Control, irradiation
Drug
Lead sponsor
MC2 Therapeutics
Industry
Eligibility
18 Years and older
Enrollment
35 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2019
U.S. locations
1
States / cities
Fair Lawn, New Jersey
Source: ClinicalTrials.gov public record
Updated Feb 11, 2020 · Synced Jul 21, 2026, 5:28 PM EDT
Completed Phase 2 Interventional Accepts healthy volunteers

Dermal Irritation, Sensitization and Cumulative Irritation Potential of 6% Bemotrizinol

NCT05260359
View directory record Official record
Conditions
Sunburn
Interventions
6% Bemotrizinol (BEMT) in a basic sunscreen oil formulation, 6% Bemotrizinol (BEMT) dispersion in petrolatum, Sunscreen oil vehicle with 10% ethanol as penetration enhancer without BEMT, Petrolatum vehicle, 0.9% Saline, Sodium Lauryl Sulfate 0.1% (SLS), Undosed patch
Drug · Other
Lead sponsor
dsm-firmenich Switzerland AG
Industry
Eligibility
18 Years to 75 Years
Enrollment
224 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2022
U.S. locations
1
States / cities
Piscataway, New Jersey
Source: ClinicalTrials.gov public record
Updated Aug 25, 2022 · Synced Jul 21, 2026, 5:28 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 Jul 21, 2026, 5:28 PM EDT
Completed Phase 1 Interventional Accepts healthy volunteers Results available

Evaluation of Potential Development of Photoallergic Skin Reaction After Use of MC2-01 Cream

NCT03899064
View directory record Official record
Conditions
Photoallergy
Interventions
Induction: Application of MC2-01 Cream, irradiation, Induction: Application of MC2-01 Cream, no irradiation, Induction: Applications of MC2-01 vehicle, irradiation, Induction: Applications of MC2-01 vehicle, no irradiation, Challenge: Application of MC2-01 Cream, irradiation, Challenge: Application of MC2-01 Cream, no irradiation, Challenge: Applications of MC2-01 vehicle, irradiation, Challenge: Applications of MC2-01 vehicle, no irradiation, Challenge: Control, irradiation
Drug
Lead sponsor
MC2 Therapeutics
Industry
Eligibility
18 Years and older
Enrollment
58 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2019
U.S. locations
1
States / cities
Fair Lawn, New Jersey
Source: ClinicalTrials.gov public record
Updated Mar 10, 2020 · Synced Jul 21, 2026, 5:28 PM EDT
Recruiting No phase listed Observational

Natural History Study for DNA Repair Disorders

NCT05484570
View directory record Official record
Conditions
DNA Repair Disorder, Cockayne Syndrome, Xeroderma Pigmentosum, Trichothiodystrophy
Interventions
Interval History, Physical Examination, ECAB Assessment, Gait Assessment, Specimen Sample Collection
Other
Lead sponsor
University of Minnesota
Other
Eligibility
6 Months and older
Enrollment
40 participants
Timeline
2022 – 2026
U.S. locations
1
States / cities
Minneapolis, Minnesota
Source: ClinicalTrials.gov public record
Updated May 26, 2026 · Synced Jul 21, 2026, 5:28 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 Jul 21, 2026, 5:28 PM EDT
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 Jul 21, 2026, 5:28 PM EDT
Enrolling by invitation Not applicable Interventional Accepts healthy volunteers

Natural Sunlight Protection and Simulated Sunlight Protection Offered by Sunscreens and Fabrics

NCT03007589
View directory record Official record
Conditions
Sunburn, Sun Damaged Skin, Overexposure to Sun Rays
Interventions
otc sunscreens, sun protection fabrics, Optical Filters
Drug · Other
Lead sponsor
Sun Protection Foundation
Industry
Eligibility
15 Years to 90 Years
Enrollment
200 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2014 – 2040
U.S. locations
3
States / cities
San Diego, California • Waimea, Hawaii • Seattle, Washington
Source: ClinicalTrials.gov public record
Updated May 14, 2025 · Synced Jul 21, 2026, 5:28 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 Jul 21, 2026, 5:28 PM EDT
Completed Phase 2 Interventional Results available

PF-06372865 in Subjects With Photosensitive Epilepsy

NCT02564029
View directory record Official record
Conditions
Reflex Epilepsy, Photosensitive
Interventions
PF-06372865, Placebo, Lorazepam
Drug
Lead sponsor
Pfizer
Industry
Eligibility
18 Years to 60 Years
Enrollment
7 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2015 – 2017
U.S. locations
16
States / cities
Boise, Idaho • Baltimore, Maryland • St Louis, Missouri + 3 more
Source: ClinicalTrials.gov public record
Updated Mar 13, 2018 · Synced Jul 21, 2026, 5:28 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 Jul 21, 2026, 5:28 PM EDT
Completed No phase listed Observational

Examination of Clinical and Laboratory Abnormalities in Patients With Defective DNA Repair: Xeroderma Pigmentosum, Cockayne Syndrome, or Trichothiodystrophy

NCT00001813
View directory record Official record
Conditions
Cockayne Syndrome, Skin Neoplasms, Xeroderma Pigmentosum, Trichothiodystrophy Syndromes, Genodermatosis
Interventions
Not listed
Lead sponsor
National Cancer Institute (NCI)
NIH
Eligibility
6 Weeks to 100 Years
Enrollment
709 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
Started 1999
U.S. locations
1
States / cities
Bethesda, Maryland
Source: ClinicalTrials.gov public record
Updated Jul 16, 2026 · Synced Jul 21, 2026, 5:28 PM EDT
Completed Phase 1 Interventional

A Pilot of Pediatric/Adult Study of Gene Expression Profiling and Clinical Characterization of Phototoxicity

NCT00353158
View directory record Official record
Conditions
Healthy Volunteers, Fungal Infections, Bacterial Infections
Interventions
Doxycycline, Voriconazole
Drug
Lead sponsor
National Institute of Arthritis and Musculoskeletal and Skin Diseases (NIAMS)
NIH
Eligibility
8 Years to 100 Years
Enrollment
62 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2007 – 2011
U.S. locations
1
States / cities
Bethesda, Maryland
Source: ClinicalTrials.gov public record
Updated Jul 16, 2026 · Synced Jul 21, 2026, 5:28 PM EDT
Completed Not applicable Interventional Accepts healthy volunteers

To Test for Photo Allergy Reaction of Sunscreens

NCT02872220
View directory record Official record
Conditions
Photoallergy
Interventions
SPF 50 Y65 110 (BAY987519), SPF 50 Y51 002 (BAY987519), SPF 15 V27 104 (BAY987519), Sodium chloride [NaCl]
Drug
Lead sponsor
Bayer
Industry
Eligibility
18 Years to 65 Years
Enrollment
56 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2015
U.S. locations
1
States / cities
Pinellas Park, Florida
Source: ClinicalTrials.gov public record
Updated Dec 11, 2018 · Synced Jul 21, 2026, 5:28 PM EDT