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EUSA Pharma Announces FDA Approval of Orphan Drug ERWINAZEâ„¢ for Treatment of Acute Lymphoblastic Leukemia

Fri, 11/18/2011 - 4:35am
Bio-Medicine.Org

LANGHORNE, Pa. and OXFORD, England, Nov. 18, 2011 /PRNewswire/ --  EUSA Pharma, a transatlantic specialty pharmaceutical company focused on oncology, oncology supportive care and critical care, today announced that the US Food and Drug Administration (FDA) has approved its orphan drug ERWINAZE™ (asparaginase Erwinia chrysanthemi) for the treatment of acute lymphoblastic leukemia (ALL) in patients with hypersensitivity to E. coli-derived asparaginase.  ERWINAZE will be available to patients throughout the United States immediately.

ALL is the most common form of childhood cancer, with approximately 2,900 patients under the age of 20 diagnosed in the USA each year [1].  It is also one of the most curable forms of cancer, with remission rates in treated children of over 95% and 75 – 85% surviving at least five years without recurrence of leukemia [1].  Treatment involves a number of stages and drugs, and typically includes asparaginase as an essential component of current protocols.  ERWINAZE is indicated as an integral part of a multi-agent regimen for the treatment of ALL patients who develop hypersensitivity to current products derived from E. coli, and is therefore the first and only approved treatment option available for patients with hypersensitivity to standard-of-care treatment with pegaspargase.  An estimated 15 - 20% of ALL patients develop hypersensitivity to E. coli-derived asparaginase, representing approximately 450 - 600 children in the United States each year [2]. 

"Treatment with asparaginase is a vital and life-saving therapy for thousands of patients, mostly children, with acute lymphoblastic leukemia each year.  Unfortunately, a number of these patients develop hypersensitivity to asparaginases derived from E. coli, including pegaspargase, and are unable to complete the recommended course of treatment.  The approval of ERWINAZE is

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