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TKR inhibitor larotrectinib (Vitrakvi®) FDA approved for cancers with NTRK gene fusion

On 26 November 2018, the FDA granted accelerated approval to the first-in-class tropomyosin receptor-kinase (TRK) inhibitor larotrectinib (Vitrakvi®, Loxo Oncology/Bayer) for the treatment of adult and paediatric patients with solid tumours that are metastatic or not amenable to surgery, harbour the neurotrophic receptor tyrosine kinase (NTRK) gene fusion in the absence of known acquired resistance mutations, and whose cancer progressed following treatment or for whom are no satisfactory other treatment options available.