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Showing 25–46 of 22 matching trials from the live ClinicalTrials.gov search.
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Filters: Condition: Photosensitivity Clear all
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 22, 2026, 3:10 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 11, 2018 · Synced Jul 22, 2026, 3:10 AM EDT
Completed Phase 2 Interventional Results available

Effect of Oral Cimetidine in the Protoporphyrias

NCT05020184
View directory record Official record
Conditions
Erythropoietic Protoporphyria, X-linked Protoporphyria
Interventions
Cimetidine, Placebo
Drug
Lead sponsor
Amy K. Dickey, M.D.
Other
Eligibility
15 Years and older
Enrollment
26 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2022 – 2025
U.S. locations
3
States / cities
Boston, Massachusetts • Winston-Salem, North Carolina • Galveston, Texas
Source: ClinicalTrials.gov public record
Updated Jun 28, 2026 · Synced Jul 22, 2026, 3:10 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 20, 2020 · Synced Jul 22, 2026, 3:10 AM EDT
Recruiting Phase 1Phase 2 Interventional

A Study to Investigate the Improvement of Photosensitivity in Terms of Skin Lesions Associated With CEP Following Administration of Oral ATL-001 (Ciclopirox Oral Solution) in Participants Aged >18 Years of Age With CEP

NCT07024316
View directory record Official record
Conditions
Congenital Erythropoietic Porphyria (CEP)
Interventions
ATL-001 (Ciclopirox oral solution)
Drug
Lead sponsor
Atlas Molecular Pharma
Industry
Eligibility
18 Years and older
Enrollment
6 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2026 – 2028
U.S. locations
1
States / cities
Cleveland, Ohio
Source: ClinicalTrials.gov public record
Updated Mar 23, 2026 · Synced Jul 22, 2026, 3:10 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 Jul 31, 2014 · Synced Jul 22, 2026, 3:10 AM EDT
Terminated Phase 2 Interventional

A Study to Investigate the Effect of ICA-105665 in Photosensitive Epilepsy Patients

NCT00979004
View directory record Official record
Conditions
Epilepsy
Interventions
ICA-105665
Drug
Lead sponsor
Pfizer
Industry
Eligibility
18 Years to 60 Years
Enrollment
13 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2009 – 2010
U.S. locations
3
States / cities
Little Rock, Arkansas • Chesterfield, Missouri • Nashville, Tennessee
Source: ClinicalTrials.gov public record
Updated Oct 3, 2012 · Synced Jul 22, 2026, 3:10 AM EDT
Not listed No phase listed Observational

Xeroderma Pigmentosum Patient Experiences

NCT01123694
View directory record Official record
Conditions
Xeroderma Pigmentosum
Interventions
Survey Study
Other
Lead sponsor
Henry Ford Health System
Other
Eligibility
Not listed
Enrollment
15 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2009 – 2010
U.S. locations
1
States / cities
Detroit, Michigan
Source: ClinicalTrials.gov public record
Updated May 13, 2010 · Synced Jul 22, 2026, 3:10 AM EDT
Recruiting Phase 2 Interventional

Study of Remibrutinib (LOU064) Efficacy and Safety and Exploration of Its Mechanism of Action in Participants With Chronic Urticaria

NCT06865651
View directory record Official record
Conditions
Chronic Urticaria (CU): Chronic Inducible Urticaria (CINDU) and Chronic Spontaneous Urticaria (CSU)
Interventions
Remibrutinib, Placebo
Drug
Lead sponsor
Novartis Pharmaceuticals
Industry
Eligibility
18 Years to 100 Years
Enrollment
44 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2025 – 2027
U.S. locations
2
States / cities
North Miami Beach, Florida • Glenview, Illinois
Source: ClinicalTrials.gov public record
Updated Jul 14, 2026 · Synced Jul 22, 2026, 3:10 AM EDT
Completed Not applicable Interventional Accepts healthy volunteers Results available

UV Exposure Assessed With Wearable Sensor and Sun Protection

NCT03344796
View directory record Official record
Conditions
Sunburn, Erythema, Sun Protection
Interventions
Goal attainment
Behavioral
Lead sponsor
Northwestern University
Other
Eligibility
18 Years to 70 Years
Enrollment
164 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2018 – 2020
U.S. locations
1
States / cities
Chicago, Illinois
Source: ClinicalTrials.gov public record
Updated Jul 26, 2023 · Synced Jul 22, 2026, 3:10 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 24, 2017 · Synced Jul 22, 2026, 3:10 AM EDT
Completed No phase listed Observational Accepts healthy volunteers

Hats on Head Start: A A Survey of Sun Protection Behaviors in Head Start and Other Early Childhood Education Programs

NCT03199573
View directory record Official record
Conditions
Sunburn
Interventions
Not listed
Lead sponsor
Northwestern University
Other
Eligibility
18 Years and older
Enrollment
202 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2017
U.S. locations
1
States / cities
Chicago, Illinois
Source: ClinicalTrials.gov public record
Updated Aug 21, 2017 · Synced Jul 22, 2026, 3:10 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 11, 2026 · Synced Jul 22, 2026, 3:10 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 15, 2025 · Synced Jul 22, 2026, 3:10 AM EDT
Terminated Phase 2 Interventional Results available

A Study of Patidegib Topical Gel, 2%, for the Reduction of Disease Burden of Persistently Developing Basal Cell Carcinomas in Patients With Non-Gorlin High Frequency BCC

NCT04155190
View directory record Official record
Conditions
Recurrent Basal Cell Carcinoma
Interventions
Patidegib Topical Gel, 2%, Patidegib Topical Gel, Vehicle
Drug
Lead sponsor
Sol-Gel Technologies, Ltd.
Industry
Eligibility
18 Years and older
Enrollment
50 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2019 – 2021
U.S. locations
14
States / cities
Apple Valley, California • Colton, California • Fremont, California + 11 more
Source: ClinicalTrials.gov public record
Updated Jul 20, 2026 · Synced Jul 22, 2026, 3:10 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 12, 2020 · Synced Jul 22, 2026, 3:10 AM EDT
Withdrawn Phase 1 Interventional

Testing the Combination of Two Immunotherapy Drugs (Nivolumab and Ipilimumab) in Children, Adolescent, and Young Adult Patients With Relapsed/Refractory Cancers That Have an Increased Number of Genetic Changes, The 3CI Study

NCT04500548
View directory record Official record
Conditions
Constitutional Mismatch Repair Deficiency Syndrome, Hematopoietic and Lymphoid Cell Neoplasm, Lynch Syndrome, Recurrent Lymphoma, Recurrent Malignant Solid Neoplasm, Recurrent Neuroblastoma, Recurrent Primary Central Nervous System Neoplasm, Refractory Lymphoma, Refractory Malignant Solid Neoplasm, Refractory Neuroblastoma, Refractory Primary Central Nervous System Neoplasm, Xeroderma Pigmentosum
Interventions
Biospecimen Collection, Ipilimumab, Nivolumab
Procedure · Biological
Lead sponsor
National Cancer Institute (NCI)
NIH
Eligibility
12 Months to 25 Years
Healthy volunteers
Healthy volunteers not accepted
Timeline
2021 – 2022
U.S. locations
7
States / cities
Palo Alto, California • Aurora, Colorado • St Louis, Missouri + 4 more
Source: ClinicalTrials.gov public record
Updated Jun 9, 2026 · Synced Jul 22, 2026, 3:10 AM EDT
Completed No phase listed Observational Accepts healthy volunteers

Helping Children be Safe Outdoors With Sun Protection

NCT02177006
View directory record Official record
Conditions
Sun Sensitivity, Sun Protection, Skin Cancer
Interventions
Sun Protection Program
Behavioral
Lead sponsor
Northwestern University
Other
Eligibility
18 Years and older
Enrollment
840 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2014
U.S. locations
1
States / cities
Chicago, Illinois
Source: ClinicalTrials.gov public record
Updated Feb 27, 2024 · Synced Jul 22, 2026, 3:10 AM 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 Jul 22, 2026, 3:10 AM EDT
Completed Not applicable Interventional Accepts healthy volunteers

Project Options - The ABC Method

NCT03489356
View directory record Official record
Conditions
Dermatology/Skin - Other, Health Behavior, Sunburn
Interventions
Addressing Behavior Change (ABC)
Behavioral
Lead sponsor
Penn State University
Other
Eligibility
21 Years to 65 Years
Enrollment
186 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2016 – 2017
U.S. locations
1
States / cities
Hershey, Pennsylvania
Source: ClinicalTrials.gov public record
Updated Dec 3, 2019 · Synced Jul 22, 2026, 3:10 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 26, 2025 · Synced Jul 22, 2026, 3:10 AM EDT