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ClinicalTrials.gov public records Last synced Oct 24, 2026, 2:04 AM EDT

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Showing 1–24 of 46 matching trials from the live ClinicalTrials.gov search.
Filters: Condition: Photosensitivity Clear all
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 6, 2008 · Synced Oct 24, 2026, 2:04 AM 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 12, 2020 · Synced Oct 24, 2026, 2:04 AM EDT
Completed Phase 3 Interventional Accepts healthy volunteers Results available

Study to Learn More About the Potential of Antifungal Cream V61-044 Containing Trolamine to Cause Irritant Reaction of the Skin to Ultra Violet Light in Healthy Human Subjects

NCT04531527
View directory record Official record
Conditions
Dermatitis, Phototoxic
Interventions
Butenafine HCl 1% (BAY1896425)
Drug
Lead sponsor
Bayer
Industry
Eligibility
18 Years to 60 Years
Enrollment
32 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2013
U.S. locations
1
States / cities
Fairfield, New Jersey
Source: ClinicalTrials.gov public record
Updated Nov 13, 2020 · Synced Oct 24, 2026, 2:04 AM 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 13, 2019 · Synced Oct 24, 2026, 2:04 AM 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 5, 2012 · Synced Oct 24, 2026, 2:04 AM 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 Dec 1, 2016 · Synced Oct 24, 2026, 2:04 AM EDT
Completed Not applicable Interventional Accepts healthy volunteers

Effect of Orally Delivered Phytochemicals on Aging and Inflammation in the Skin

NCT03289832
View directory record Official record
Conditions
Healthy Adults
Interventions
Crucera-SGS, Meriva 500-SF
Dietary Supplement
Lead sponsor
Johns Hopkins University
Other
Eligibility
18 Years to 70 Years
Enrollment
25 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2017 – 2019
U.S. locations
1
States / cities
Baltimore, Maryland
Source: ClinicalTrials.gov public record
Updated Jul 21, 2020 · Synced Oct 24, 2026, 2:04 AM EDT
Completed No phase listed Observational Accepts healthy volunteers

The Head Injury-associated Photosensitivity and Pupillary Function (HIPP) Study

NCT01942564
View directory record Official record
Conditions
Head Injury, Traumatic Brain Injury (TBI), Photosensitivity, Photophobia
Interventions
Not listed
Lead sponsor
Ohio State University
Other
Eligibility
18 Years and older
Enrollment
40 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2013 – 2015
U.S. locations
1
States / cities
Columbus, Ohio
Source: ClinicalTrials.gov public record
Updated Sep 25, 2017 · Synced Oct 24, 2026, 2:04 AM EDT
Recruiting Phase 1 Interventional Accepts healthy volunteers

Testing Use of Topical Imipramine in Reducing Ultraviolet B Induced Microvesicle Particle Release in Photosensitive Subjects

NCT04520217
View directory record Official record
Conditions
Photosensitivity, Microvesicle Particle
Interventions
4% Imipramine Cream, Base Cream
Drug
Lead sponsor
Wright State University
Other
Eligibility
18 Years to 50 Years
Enrollment
40 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2022 – 2026
U.S. locations
1
States / cities
Fairborn, Ohio
Source: ClinicalTrials.gov public record
Updated Jan 27, 2025 · Synced Oct 24, 2026, 2:04 AM 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 13, 2024 · Synced Oct 24, 2026, 2:04 AM EDT
Completed Not applicable Interventional

Photoprovocation Testing in Subjects With Cutaneous Lupus

NCT01516788
View directory record Official record
Conditions
Lupus Erythematosus, Photosensitivity Conditions
Interventions
Phototesting
Other
Lead sponsor
University of Pennsylvania
Other
Eligibility
18 Years and older
Enrollment
19 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2011 – 2018
U.S. locations
1
States / cities
Philadelphia, Pennsylvania
Source: ClinicalTrials.gov public record
Updated Jul 13, 2021 · Synced Oct 24, 2026, 2:04 AM EDT
Completed Phase 2 Interventional Accepts healthy volunteers

A Randomized Controlled Trial to Test the Effects Oxytocin and Vibration Have on Heat Pain Threshold After UV-B Burn

NCT06651476
View directory record Official record
Conditions
Sunburn
Interventions
oxytocin, placebo
Drug
Lead sponsor
Wake Forest University Health Sciences
Other
Eligibility
18 Years to 55 Years
Enrollment
38 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2024 – 2025
U.S. locations
1
States / cities
Winston-Salem, North Carolina
Source: ClinicalTrials.gov public record
Updated Jan 12, 2026 · Synced Oct 24, 2026, 2:04 AM 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 26, 2012 · Synced Oct 24, 2026, 2:04 AM 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 Oct 13, 2026 · Synced Oct 24, 2026, 2:04 AM 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 11, 2020 · Synced Oct 24, 2026, 2:04 AM 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 8, 2024 · Synced Oct 24, 2026, 2:04 AM EDT
Completed No phase listed Observational Accepts healthy volunteers

Adaption of the Skin Sun Sensitivity Scale

NCT01975038
View directory record Official record
Conditions
Skin Diseases
Interventions
Not listed
Lead sponsor
Northwestern University
Other
Eligibility
18 Years and older
Enrollment
292 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2013 – 2014
U.S. locations
1
States / cities
Chicago, Illinois
Source: ClinicalTrials.gov public record
Updated Aug 1, 2014 · Synced Oct 24, 2026, 2:04 AM 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 26, 2022 · Synced Oct 24, 2026, 2:04 AM EDT
Recruiting Not applicable Interventional

Pilot Study of Neurofeedback for Photosensitivity in Mild Traumatic Brain Injury

NCT06109909
View directory record Official record
Conditions
Mild Traumatic Brain Injury, Photophobia
Interventions
Micro Current Neurofeedback Device using Low-Frequency Pulse-Based Transcranial Electrical Stimulation
Device
Lead sponsor
VA Office of Research and Development
Federal
Eligibility
18 Years to 65 Years
Enrollment
36 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2024 – 2026
U.S. locations
1
States / cities
Boston, Massachusetts
Source: ClinicalTrials.gov public record
Updated Dec 16, 2025 · Synced Oct 24, 2026, 2:04 AM 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 12, 2018 · Synced Oct 24, 2026, 2:04 AM 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 13, 2023 · Synced Oct 24, 2026, 2:04 AM 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 Oct 13, 2026 · Synced Oct 24, 2026, 2:04 AM 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 14, 2018 · Synced Oct 24, 2026, 2:04 AM 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 27, 2026 · Synced Oct 24, 2026, 2:04 AM EDT