Future oncology
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Gene fusions involving NTRK1, NTRK2 and NTRK3 are oncogenic drivers across a wide variety of cancer types. Inhibitors of the chimeric TRKA/B/C protein kinases encoded by these fusions are now available, including larotrectinib, a potent and highly selective oral drug. ⋯ Larotrectinib has received accelerated approval from both the US FDA and the EMA. Resistance mutations have been observed in the kinase domains of the NTRK fusion genes and development of next-generation tropomyosin receptor kinase inhibitors designed to overcome such resistance mutations is being actively pursued in clinical trials and ongoing drug discovery efforts.
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The immune checkpoint inhibitors have opened new horizons in oncology. Although the indications for the use of Immune checkpoint inhibitors in cancer patients are expanding, there is still a need for markers that can aid in patient selection. Gastrointestinal microbiota can be among these markers. ⋯ Preclinical data suggest that modulation of the microbiota could become a novel strategy for improving the efficacy of immunotherapy. However, its labile structure prone to be affected by many factors. Further research can delineate the mechanisms of the relationship between microbiota and immunotherapy can have clinical implications.