Improvement in Beta-Cell Function Observed After Three Years of BYETTA(R) Therapy: Data Presented at ADA 2010

Sat, 06/26/2010 - 9:36am

ORLANDO, Fla., June 26, 2010 /PRNewswire-FirstCall/ -- Amylin Pharmaceuticals, Inc. (Nasdaq: AMLN) and Eli Lilly and Company (NYSE: LLY) today announced results from a study comparing the effect of long-term treatment with either BYETTA® (exenatide) injection or Lantus® (insulin glargine) on overall beta-cell function. (Beta cells are cells in the pancreas that produce insulin.) Three years of BYETTA therapy improved indices of beta-cell function assessed four weeks after discontinuing therapy. These findings were presented at the 70th Annual Scientific Sessions of the American Diabetes Association (ADA) in Orlando, Fla.

After three years of treatment, both therapies reduced A1C similarly (by 0.7 percentage points to 6.6 percent for BYETTA and by 0.5 percentage points to 6.9 percent for Lantus). A1C is a measure of average blood sugar over three months. In addition, BYETTA significantly reduced body weight compared to Lantus (17-pound difference between groups). After completion of three years of therapy, a four-week off-drug period followed to allow assessment of parameters of metabolic state including beta-cell function. Beta-cell function was assessed using a calculated disposition index (insulin secretion adjusted for insulin sensitivity). BYETTA increased insulin sensitivity by 39 percent and increased the disposition index, indicating an improvement in background beta-cell function. Lantus had no effect on insulin sensitivity or disposition index.

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