Immunological features predict treatment response for advanced solid tumors

FDA granted full approval for Vitrakvi (larotrectinib), a first-in-class TRK inhibitor for the treatment of adult and pediatric patients with solid tumors that have a neurotrophic receptor tyrosine kinase gene fusion without a known acquired resistance mutation, are metastatic or where surgical resection is likely to result in severe morbidity, and have no satisfactory alternative treatments or that have progressed following treatment.