The FDA has granted approval to crizotinib (Xalkori®, Pfizer) for treatment of unresectable, recurrent, or refractory inflammatory anaplastic lymphoma kinase (ALK)–positive inflammatory myofibroblastic tumors (IMTs) in adult or pediatric patients one year and older. "ALK is a receptor tyrosine kinase (RTK) that is known to be oncogenically activated by point mutations within the tyrosine kinase domain, copy-number amplification, or chromosomal translocations" wrote Jennifer Foster, MD, MPH, Dire...

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...