Food effect on the bioavailability of two distinct formulations of megestrol acetate oral suspension.

Objective: Megestrol acetate oral suspension (MAOS) is an appetite stimulant indicated for cachexia in patients with AIDS. It is available in its original formulation, Megace® (MAOS), and as a nanocrystal dispersion, Megace® ES (MA-ES). Three studies were conducted to evaluate the pharmacokinetic properties of these formulations under fed and fasting conditions.