Overcoming Resistance to Anti-EGFR Therapy in Colorectal Cancer.
@article{Dienstmann2015OvercomingRT, title={Overcoming Resistance to Anti-EGFR Therapy in Colorectal Cancer.}, author={Rodrigo Dienstmann and Ram{\'o}n Salazar and Josep Tabernero}, journal={American Society of Clinical Oncology educational book. American Society of Clinical Oncology. Annual Meeting}, year={2015}, pages={ e149-56 } }
Our understanding of the genetic and nongenetic molecular alterations associated with anti-epidermal growth factor receptor (EGFR) therapy resistance in colorectal cancer (CRC) has markedly expanded in recent years. Mutations in RAS genes (KRAS/NRAS exons 2, 3, or 4) predict a lack of clinical benefit when anti-EGFR monoclonal antibodies (mAbs) are added to chemotherapy. Genetic events in additional nodes of the mitogen-activated protein kinase (MAPK)-phosphoinositide 3-kinase (PI3K) pathways…
53 Citations
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- Biology, MedicineJAMA oncology
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The advance in mechanisms of ncRNAs in regulating anti-EGFR McAbs therapy resistance in CRC is reviewed, providing insight into exploring nc RNAs as new molecular targets and prognostic markers for CRC.
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This study suggests that further clinical validation of NF1 status as predictor of response to anti-EGFR targeting antibodies in patients with colorectal cancer with KRAS/NRAS/BRAFV600-wild-type tumors is warranted.
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Tumor bulk and sidedness and tumor bulk are identified as potential predictive biomarkers of clinical response in late-line mCRC and future prospective studies of EGFR targeting should consider tumor bulk in addition to molecular profiling in the identification of populations most likely to achieve meaningful clinical benefit.
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