FDA Approves Component of Treatment Regimen for Most Common Childhood Cancer The U.S. Food and Drug Administration approved Rylaze (asparaginase erwinia chrysanthemi (recombinant)-rywn) as a component of a chemotherapy regimen to treat acute lymphoblastic leukemia and lymphoblastic lymphoma in adult and pediatric patients who are allergic to the E. coli-derived asparaginase products used most commonly for treatment. The only other FDA-approved drug for such patients with allergic reactions has been in global shortage for years. Acute lymphoblastic leukemia occurs in approximately 5,700 patients annually, about half of whom are children. It is the most common type of childhood cancer. One component of the chemotherapy regimen is an enzyme called asparaginase that kills cancer cells by depriving them of substances needed to survive. An estimated 20% of patients are allergic to the standard E. coli-derived asparaginase and need an alternative their bodies can tolerate. The most common side effects of Rylaze include hypersensitivity reactions, pancreatic toxicity, blood clots, hemorrhage and liver toxicity. |
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