WASHINGTON, D.C., June 10 /PRNewswire-FirstCall/ -- Amylin Pharmaceuticals, Inc. (Nasdaq: AMLN - News), Eli Lilly and Company (NYSE: LLY - News) and Alkermes, Inc. (Nasdaq: ALKS - News) today announced detailed results from a safety and efficacy study of the long-acting release (LAR) formulation of BYETTA® (exenatide) injection. Data from the study demonstrated that 86 percent of patients using the higher of two doses of the once-weekly formulation of exenatide were able to achieve recommended levels of glucose control, as measured by hemoglobin A1C (A1C) with an average improvement of approximately 2 percent compared to placebo. These study findings were presented today at the 66th Annual Scientific Sessions of the American Diabetes Association (ADA) in Washington, D.C.