Pharmacokinetics of imiquimod 3.75% cream applied daily for 3 weeks to actinic keratoses on the face and/or balding scalp.

Imiquimod 3.75% cream is a topical formulation of imiquimod intended for daily application to treat actinic keratoses of the entire face or balding scalp. The objective of the study was to characterize serum imiquimod and metabolite pharmacokinetics.