Overview Efficacy and Safety of BI 1356 (Linagliptin) Versus Placebo in Type 2 Diabetic Patients With Insufficient Glycemic Control Status: Completed Trial end date: 1969-12-31 Target enrollment: Participant gender: Summary To investigate efficacy, safety and tolerability of BI 1356 versus placebo Phase: Phase 3 Details Lead Sponsor: Boehringer IngelheimTreatments: Linagliptin