This randomized clinical trial studies if celecoxib will prevent the damaging effects of sunburn in healthy volunteers. Exposure to ultraviolet light can induce erythema, sunburn or skin redness caused by inflammation. Celecoxib may reduce skin damage by blocking enzymes associated with sunburn in healthy volunteers. Studying samples of skin in the laboratory from patients receiving ultraviolet-radiation before and after celecoxib treatment may help doctors learn more about the effects celecoxib has on cells.
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Percent change in erythema
Timeframe: Baseline up to day 25
Percent change in PGE2
Timeframe: Baseline up to day 25
Percent change in COX-1
Timeframe: Baseline up to day 25
Percent change in COX-2
Timeframe: Baseline up to day 25
Percent change in proliferative index
Timeframe: Baseline up to day 25
Percent change in apoptotic index
Timeframe: Baseline up to day 25