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Showing 25–46 of 22 matching trials from the live ClinicalTrials.gov search.
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Withdrawn Phase 1Phase 2 Interventional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 Sep 11, 2026, 5:57 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 Sep 11, 2026, 5:57 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 11, 2026, 5:57 PM 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 Sep 11, 2026, 5:57 PM 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 Sep 11, 2026, 5:57 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 Sep 11, 2026, 5:57 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 11, 2026, 5:57 PM EDT
Active, not 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 Jul 26, 2026 · Synced Sep 11, 2026, 5:57 PM EDT
Completed Phase 1 Interventional Results available

Evaluation of Tofacitinib in Prevention of Photosensitivity in Lupus

NCT05048238
View directory record Official record
Conditions
Cutaneous Lupus
Interventions
Tofacitinib
Drug
Lead sponsor
National Institute of Allergy and Infectious Diseases (NIAID)
NIH
Eligibility
18 Years to 65 Years
Enrollment
7 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2022 – 2024
U.S. locations
2
States / cities
Worcester, Massachusetts • Ann Arbor, Michigan
Source: ClinicalTrials.gov public record
Updated Aug 21, 2025 · Synced Sep 11, 2026, 5:57 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 11, 2026, 5:57 PM 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 Sep 11, 2026, 5:57 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 Sep 11, 2026, 5:57 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 Sep 11, 2026, 5:57 PM 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 Sep 11, 2026, 5:57 PM 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 Sep 11, 2026, 5:57 PM 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 Sep 11, 2026, 5:57 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 Sep 11, 2026, 5:57 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 Sep 11, 2026, 5:57 PM 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 Sep 11, 2026, 5:57 PM 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 Sep 11, 2026, 5:57 PM 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 Sep 11, 2026, 5:57 PM EDT