A Study to Assess Safety and Tolerability of ASP1941 After Single and Repeated Administration in Healthy Subjects

Inclusion Criteria: * Body weight: 50.0 kg ≤ weight \< 85.0 kg * Body mass index:17.6 ≤ BMI \< 26.4 * Those who provided written informed consent themselves Exclusion Criteria: * Medical history of Hepatic disease, heart disease, respiratory disease, gastrointestinal disease, renal disease, cerebrovascular disease, malignant tumor or drug allergy * Those whose blood pressure, pulse rate, body temperature or 12-lead ECG are in the abnormal range * Those whose lab-test results are in the abnormal range * Those who received medical treatment within 14 days prior to the study * Those who attended another clinical study or a post-marketing clinical trial within 120 days before the study * Those who have received ASP1941 before * Those who have donated at least 400ml of whole blood within 90 days before the study, at least 200ml 30 days before the study or blood component within 14 days before the study * Those within a fasting plasma glucose level of \< 70mg/dL or 110 mg/dL or with an HbA1C. 5.8%