Patent ID: 8242155

Claim:
A method for treating actinic keratosis (AK) in an immunocompetent adult in need thereof, comprising: (a) topically applying once daily a 3.75% (w/w) imiquimod composition to the full face or balding scalp of the patient for a first two-week treatment period, wherein the topically applied imiquimod composition is applied to the full face or balding scalp and rubbed in until no longer visible, left on the full face or balding scalp for about eight hours and then removed from the full face or balding scalp by washing; and (b) topically applying once daily a 3.75% (w/w) imiquimod composition to the full face or balding scalp of the patient for a second two-week treatment period, wherein the topically applied imiquimod composition is applied and rubbed in until no longer visible, left on the full face or balding scalp for about eight hours and then removed from the full face or balding scalp by washing; wherein the first treatment period and the second treatment period are separated by one, two-week non-treatment period during which no imiquimod is applied; wherein the method of treating actinic keratoses is completed in six weeks; and wherein in performance of the method, the imiquimod is the sole active pharmaceutical ingredient required to be applied to the full face or balding scalp.