Efficacy of add-on Therapy With Vildagliptin in Chinese Patients With Type 2 Diabetes Inadequately Controlled With Prior Metformin Monotherapy

Inclusion Criteria

• •Patients with T2DM who have received metformin for at least 8 weeks and have been on a stable dose of at least 1500 mg daily for a minimum of 4 weeks prior to visit 1
• •Agreement to maintain the same dose of metformin from randomization to the end of the study
• •Age in the range of 18-78 years inclusive
• •Body mass index (BMI) in the range of 20-40 kg/m2 inclusive at Visit 1
• •HbA1c in the range of \> 7.0 to ≤10% at Visit 1
• •Agreement to maintain prior diet and exercise habits during the full course of the study
• •Ability to comply with all study requirements