We agree in principle with our colleagues’ endorsement in this journal of the use of the tropomyosin receptor kinase (TRK) inhibitor LOXO-101 (larotrectinib) in children. Our enthusiasm for the accelerated… Click to show full abstract
We agree in principle with our colleagues’ endorsement in this journal of the use of the tropomyosin receptor kinase (TRK) inhibitor LOXO-101 (larotrectinib) in children. Our enthusiasm for the accelerated deployment of LOXO-101 has been tempered by our experience of multi-TRK inhibitor resistance though. Resistance mutations to LOXO-101 do occur but can be overcome by secondgeneration TRK inhibitors, such as LOXO195 (selitrectinib). We, however, report the emergence of resistance mutations to both firstand second-generation TRK www.nature.com/bjc
               
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