Efficacy and safety of ingenol disoxate gel in field treatment of actinic keratosis on full face, scalp or large area (250 cm2) on the chest: results of four phase 3 randomized controlled trials.

Introduction: Actinic keratosis (AK) is a skin condition arising from chronic exposure to ultraviolet light and may lead to the development of malignancies. This trial aimed to evaluate efficacy and safety of ingenol disoxate gel (IngDsx, 0.018% for face/chest [FC]; 0.