Information "Belizatinib (TSR-011) is a potent inhibitor ofALK(IC50=0.7 nM) andtropomyosin receptor kinase (TRK)(IC50 values less than 3 nM for TRK A, B, and C). " Targets TrkA ; TrkB ; TrkC ; TrkA ; TrkB 28040,; In vitro TSR-011 has high affinity for wild-type recombinant ALK kinase activity, with an IC50 value of 0.7\u2009nM and inhibits tropomyosin receptor kinase (TRK) A, B, and C (IC50 In vivo TSR-011 exerts sustained potent inhibition of ALK-dependent tumour growth in mouse models. It is well-tolerated.