PHILADELPHIA--(BUSINESS WIRE)--Amylin Pharmaceuticals, Inc. (Nasdaq: AMLN) and Alkermes plc (Nasdaq: ALKS) today announced clinical study results which showed that a significantly greater proportion of patients treated with BYDUREON™ (exenatide extended-release for injectable suspension), the first and only once-weekly treatment for type 2 diabetes, achieved target glucose levels and weight loss compared to those treated with Levemir®(insulin detemir). The study is being presented at the 72nd Scientific Sessions of the American Diabetes Association in Philadelphia.