Crizotinib (Xalkori®, Pfizer) is now FDA approved for the treatment of pediatric patients age one year and older and young adult patients with relapsed/refractory systemic ALK-positive anaplastic large cell lymphoma (ALCL). The approval was based on Study ADVL0912 (NCT00939770), a single-arm phase 1/2 trial. "Various human cancers have ALK gene translocations, amplifications, or oncogenic mutations, such as ALCL, inflammatory myofibroblastic tumors, non-small cell lung cancer (NSCLC), and neurob...