The purpose of this study is to determine whether ceasing sitagliptin and switching to exenatide and metformin is non-inferior to adding exenatide to sitagliptin and metformin, in those patients with type 2 diabetes who are experiencing inadequate glycemic control with a combination of sitagliptin and metformin.
exenatide-subcutaneous injection, 5mcg (4 weeks) followed by 10mcg (16 weeks), twice a day; sitagliptin-100mg tablet orally once a day
exenatide-subcutaneous injection, 5mcg (4 weeks) followed by 10mcg (16 weeks), twice a day; placebo-tablet orally once a day
Buenos Aires, Argentina
Morón, Argentina