Pharmacokinetics and Safety Study of Apetrol ES in Healthy Male Volunteers

Inclusion Criteria: * Is a healty male between 20 and 55 years old * Has BMI result between 19 and 26 kg/m2 at screening * Is willing and able to comply with scheduled visits, treatment plan, laboratory tests, and other study procedures * Agrees to use an adequate means of contraception during clinical trials Exclusion Criteria: * Has had a serious illness or medical condition(s) regarding liver, kidney, gastrointestines, pulmonary systems, etc. * Has had a medical history of gastrointestinal diseases which might affect drug absorption (i.e. Crohn's disease, ulcer) or surgical history. * Is allergic against Megestrol acetate or other drugs (Aspirin, NSAIDs, Antibiotics, etc.) or against foods, or has an clinically serious allergic history