Celecoxib in Preventing Skin Cancer

Summary

RATIONALE: Celecoxib may be effective in preventing skin cancer by decreasing redness caused by exposure to ultraviolet light and changing potential skin cancer biomarkers. It is not yet known whether celecoxib is more effective than a placebo in preventing skin cancer. PURPOSE: Randomized phase II trial to study the effectiveness of celecoxib in preventing skin cancer in participants exposed to ultraviolet light.

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