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NGS-Based ctDNA Profiling After the Resistance of Second-Line Osimertinib for Patient with EGFR-Mutated Pulmonary Adenocarcinoma. | LitMetric

AI Article Synopsis

Article Abstract

Osimertinib, a third-generation epidermal growth factor receptor (EGFR) tyrosine kinase inhibitor (TKI), is effective in T790M positive non-small-cell lung cancer (NSCLC). Despite the efficacy of osimertinib, patients inevitably develop resistance and the mechanisms of osimertinib resistance are heterogeneous. Here, we report that a lung adenocarcinoma patient with L858R mutation who was treated with second-line osimertinib therapy acquired multiple resistance to osimertinib by the non-invasive circulating tumor DNA (ctDNA) genotyping. This case provides the possible mechanisms of osimertinib resistance that occur during the disease progression and supports the longitudinal monitoring of ctDNA for the detection of novel acquired resistance and tumor heterogeneity.

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Source
http://www.ncbi.nlm.nih.gov/pmc/articles/PMC8312323PMC
http://dx.doi.org/10.2147/OTT.S318250DOI Listing

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