A Phase III, randomised, double-blind, placebo-controlled parallel group efficacy and safety study of linagliptin 5 mg administered orally once daily over 24 weeks in type 2 diabetic patients with insufficient glycaemic control despite a therapy of metfor

The objective of the current study is to investigate the efficacy, safety and tolerability of linagliptin (5 mg once daily) compared to placebo given for 24 weeks as add-on therapy to metformin in combination with pioglitazone in patients with type 2 diabetes mellitus with insufficient glycaemic control.