Amylin Completes Biologics License Application For Metreleptin To Treat Diabetes And/or Hypertriglyceridemia In Patients With Rare Forms Of Lipodystrophy

SAN DIEGO, April 3, 2012 /PRNewswire/ -- Amylin Pharmaceuticals, Inc. (Nasdaq: AMLN) today announced that it has completed its Biologics License Application (BLA) submission to the U.S. Food and Drug Administration (FDA) for the use of metreleptin to treat diabetes and/or hypertriglyceridemia (high levels of triglycerides in the bloodstream) in pediatric and adult patients with rare forms of lipodystrophy.

The rolling BLA submission was initiated in December 2010 with the clinical and nonclinical sections; Amylin has now submitted the chemistry, manufacturing, and controls (CMC) section to complete the BLA. Metreleptin has Fast Track designation for use in lipodystrophy patients.

Amylin also requested Priority Review, a designation given to drug candidates that offer major advances in treatment, or provide a treatment where no adequate therapy exists. The FDA typically allocates additional resources to review an application that has been designated Priority Review status under a shortened timeline.

Lipodystrophy is a life-threatening, "ultra orphan" rare disease that is estimated to impact a few thousand people worldwide, often with an early age of onset, and represents a significant unmet medical need as there are no approved drugs that treat the underlying cause of the disease.

"Completion of this submission is an important milestone for Amylin and for patients with rare forms of lipodystrophy who currently have limited, and often insufficient, treatment options for this under-recognized and life-threatening disease," said Daniel M. Bradbury, president and chief executive officer of Amylin. "Metreleptin is an integral component of our ongoing commitment to improve the lives of patients with metabolic diseases – from the rarest to the most prevalent."

Fat tissue is a major endocrine organ producing important metabolic hormones such as leptin.  People with lipodystrophy lack the required fat tissue for normal metabolic function. This can be partial, affecting select areas of the body, or generalized, affecting nearly the entire body. A lack of fat tissue can lead to relative deficiency of leptin. Without adequate leptin function, the metabolic system, which regulates food intake and the storage and break-down of dietary fat and carbohydrates, falls out of balance. As a result, fat accumulates in the blood and organs such as liver and muscle, which can lead to life-threatening complications including insulin-resistant diabetes, hypertriglyceridemia, acute pancreatitis, and hepatic steatosis or steatohepatitis, also known as fatty liver disease. There are no approved drugs that address the underlying relative leptin deficiency that is believed to contribute in large part to the metabolic abnormalities that occur in lipodystrophy. Currently available therapies for diabetes and hypertriglyceridemia are often rendered marginally effective due to the severity of the condition.

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