Osimertinib making a breakthrough in lung cancer targeted therapy

Abstract excerpt

Epidermal growth factor receptor (EGFR) tyrosine kinase inhibitors (TKIs) are the evidence-based first-line treatment for advanced non-small-cell lung cancer that harbors sensitizing EGFR mutations (EGFRm(+)) such as exon 19 deletions and L858R substitutions in exon 21. However, acquired resistance to EGFR TKIs is mostly driven by a second-site EGFR T790M mutation, which negates their inhibitory activity....

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