Dataset from Phase III Study of ASP1941 Double-blind, Parallel-group Study in Combination With Insulin in Patients With Type 1 Diabetes Mellitus

The objective of this study is to confirm efficacy of ASP1941 based on the changes in HbA1c and to assess its safety in subjects with type 1 diabetes mellitus receiving ASP1941 once daily in combination with insulin for 24 weeks. This study will also assess the safety/efficacy of long-term treatment (52 weeks).