Alternative Has Been in Global Shortage Since 2016 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 … Continue reading FDA Approves Component of Treatment Regimen for Most Common Childhood Cancer