This is a phase 3, double-blind, randomized study to assess the efficacy and safety of ipragliflozin in combination with metformin compared to metformin plus placebo in subjects in Russia with type 2 diabetes mellitus who have inadequate glycemic control on metformin. Subjects will enter a 10-day (± 3 days) screening period, followed by a 2-week single-blind placebo run-in period, followed by a 24-week randomized double-blind treatment period and a 4-week follow-up period
The main purpose of this study is to evaluate the efficacy in reducing glycated hemoglobin of ipragliflozin in combination with metformin compared with metformin plus placebo in subjects with type 2 diabetes mellitus who have inadequate glycemic control on metformin.