A Phase 3, Randomized, Double-blind, Parallel-group, Comparative Study and a Phase 3, Multicenter, Open-label, Long-term Study of SYR-472 (25 mg) in Patients With Type 2 Diabetes Mellitus Complicated by Severe Renal Impairment or End-stage Renal Failure

A Phase 3, Randomized, Double-blind, Parallel-group, Comparative Study and a Phase 3, Open-label, Long-term Study of SYR-472 (100 mg) in Combination With Insulin in Patients With Type 2 Diabetes