Patent ID: 8569320

Claim:
A method of treating actinic keratosis in a patient, said method comprising the step of: applying a topical gel composition to the affected area of skin, wherein the topical gel composition comprises: (a) 0.25 to 4.5 wt.-% of an active agent for treatment of actinic keratosis selected from the group consisting of cyclooxygenase inhibitors, topical immune modulators, antimetabolites, and mixtures thereof, (b) a keratolytically active agent selected from the group consisting of retinoid receptor agonists, urea, organic acids, and mixtures thereof, (c) a gel former, wherein the viscosity of the gel is in the range of 300 to 1500 m Pas at 20° C., and (d) an organic solvent, wherein said topical gel composition comprises less than 5 wt.-% water.