Roux-en-Y-Gastric Bypass vs. Lifestyle Modification and Medical Therapy in the Treatment of Type 2 Diabetes

The study is aimed to compare: Laparoscopic Roux-en-Y-Gastric Bypass (RYGB) + optimal medical therapy versus Intensive lifestyle modification and optimal medical therapy in the treatment of type 2 diabetes in overweight-to-moderately obese patients (BMI: 28-34kg/m2; the lower BMI cut-off will be 26kg/m2 in patients of Asian descent). This is a single center, prospective randomized study. The study at the Weill College Medical College Diabetes Surgery Center. This study is intended to be a pilot investigation whose results can inform clinicians and researchers for future larger or multi-site trials of diabetes surgery. This study will also be used for the definition of a \"core\" protocol for independent randomized clinical trials to be carried out at various centers participating in a multinational consortium.