This study is to investigate the effect of food on the pharmacokinetics, the pharmacodynamics and safety of ASP1941 after administration of ASP1941 in healthy non-elderly adult male subjects.

This will be a randomized, open-label, 3-way crossover design study to investigate the effect of food on the pharmacokinetics, the pharmacodynamics and safety of ASP1941 after administration of ASP1941 in healthy non-elderly adult male subjects. Each subject will receive a single dose of ASP1941 "under fasting condition", "before meal" and "after meal".

Inclusion Criteria:

• Healthy as judged by the investigator/subinvestigator based on the results of physical examinations and laboratory tests
• Body weight ; ≥50.0 kg, <80.0 kg
• Body Mass Index ; ≥17.6, <26.4
• Written informed consent has been obtained

Exclusion Criteria:

• Received any investigational drugs within 120 days before the screening assessment
• Donated 400 mL of whole blood within 90 days, 200 mL of whole blood within 30 days, or d components within 14 days before the screening assessment
• Received medication within 7 days before hospital admission
• A deviation from the assessment criteria of physical examinations or laboratory tests at screening or upon admission
• History of drug allergies
• With renal, hepatic, gastrointestinal, heart, cerebrovascular or respiratory diseases