One-Week Treatment With Once-Daily Fluorouracil Cream 0.5% in Participants With Actinic Keratoses

Actinic keratoses (AKs) are common in fair-skinned individuals with a history of chronic and excessive sun exposure and may progress to squamous cell carcinoma (SCC). Topical fluorouracil is an effective therapeutic option for patients with AKs, but it is associated with substantial skin irritation. The efficacy and tolerability of 1-week treatment using microsponge-based fluorouracil cream 0.5% were analyzed in 356 participants with AK lesions. One-week treatment with once-daily fluorouracil cream 0.5% was significantly more effective than vehicle control in reducing AK lesions and in achieving complete clearance (P