FDA Approves Pfizer's BOSULIF

Pfizer Inc. announced today the U.S. Food and Drug Administration (FDA) has approved BOSULIF® (bosutinib), an Abl and Src kinase inhibitor, for the treatment of adult patients with chronic, accelerated, or blast phase Philadelphia chromosome-positive (Ph+) chronic myelogenous leukemia (CML) with resistance, or intolerance to prior therapy. Patients in the registrational trial included patients who were previously treated with imatinib [Gleevec®] or imatinib plus at least one second generation tyrosine kinase inhibitor (TKI).1 Once daily BOSULIF represents the only therapy approved with pivotal trial data that included CML patients treated with imatinib followed by a second generation TKI.