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Account Manager, Institutions - S. Boston, CT & RI

NSCLC Mechanisms of resistance to targeted therapy “EGFR C797X (C797S or C797G) can develop different allelic contexts with T790M. Currently defined allelic contexts of EGFR C797X relative to T790M include configurations either in cis (on the same allele) or in trans (on different alleles). The specific allelic context of EGFR C797X has been associated with the effectiveness of subsequent treatments. However, most of the supporting evidence comes from preclinical studies and isolated case reports.7, 8, 9, 10, 11 Moreover, evidence is scant regarding the frequency and clinical outcomes of patients harboring different allelic contexts of C797X. In this multicenter collaboration, we characterized the heterogeneity among EGFR C797X–mutant advanced NSCLC on the basis of the allelic context of C797X. In addition to clinicopathologic features, the subtypes exhibited marked differences in mutational landscape, responses to the first subsequent therapy, and clinical outcomes.” #NSCLC #resistance #EGFR #targetedtherapy #alleliccontext #cis #trans

Allelic Context of EGFR C797X–Mutant Lung Cancer Defines Four Subtypes With Heterogeneous Genomic Landscape and Distinct Clinical Outcomes

Allelic Context of EGFR C797X–Mutant Lung Cancer Defines Four Subtypes With Heterogeneous Genomic Landscape and Distinct Clinical Outcomes

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