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Spots Global Cancer Trial Database for Effects of Simulated Solar Radiation on Human Skin in Preventing Skin Cancer

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Trial Identification

Brief Title: Effects of Simulated Solar Radiation on Human Skin in Preventing Skin Cancer

Official Title: Effects of Simulated Solar Radiation on Human Skin

Study ID: NCT05027009

Conditions

Melanoma

Study Description

Brief Summary: This clinical trial examines the effects of simulated solar radiation on human skin in preventing skin cancer. Testing whether new drugs affect biomarkers in the skin is a good first test of whether the drug might prevent skin cancer. Some biomarkers in skin, and even in moles, are affected after a person is exposed to sunlight. This study may help doctors learn more about what happens to the skin and moles when the participants are exposed to the sun.

Detailed Description: PRIMARY OBJECTIVE: I. To identify biomarkers of simulated solar radiation (SSR) treatment in human skin that can be used as surrogate endpoints in chemoprevention trials in humans. SECONDARY OBJECTIVE: I. Measure Langerhans cell (LC) and sunburn cell density in the epidermis, as well as deoxyribonucleic acid (DNA) damage. EXPLORATORY OBJECTIVE I. To perform gene expression analysis on tissue frozen after biopsy. OUTLINE: Patients are randomized to 1 of 3 groups. GROUP I: Patients undergo total body exam. The minimum dose of simulated sunlight required to cause mild sunburn is determined. One of the patient's moles is exposed to 3 times that minimum dose of simulated sunlight. One day later, that mole, and an untreated mole, are removed by punch biopsy. GROUP II: Patients undergo total body exam. The minimum dose of simulated sunlight required to cause mild sunburn is determined. One of the patient's moles is exposed to 4 times that minimum dose of simulated sunlight. One day later, that mole, and an untreated mole, are removed by punch biopsy. GROUP III: Patients undergo total body exam. The minimum dose of simulated sunlight required to cause mild sunburn is determined. One of the patient's moles is exposed to 6 times that minimum dose of simulated sunlight. One day later, that mole, and an untreated mole, are removed by punch biopsy.

Keywords

Eligibility

Minimum Age: 18 Years

Eligible Ages: ADULT, OLDER_ADULT

Sex: ALL

Healthy Volunteers: No

Locations

OHSU Knight Cancer Institute, Portland, Oregon, United States

Contact Details

Name: Pamela Cassidy

Affiliation: OHSU Knight Cancer Institute

Role: PRINCIPAL_INVESTIGATOR

Useful links and downloads for this trial

Clinicaltrials.gov

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