Abstract P5-11-05: Concordance of genomic alterations with targeted sequencing of circulating tumor DNA (ctDNA) and circulating tumor cells (CTC) in endocrine-resistant metastatic breast cancer
Abstract:Background: Liquid biopsy has emerged as a valuable strategy for analyzing resistance biomarkers in advanced breast cancer. Differences in genomic alterations between CTC and cfDNA has been reported before and may reflect differences in the cell compartments of origin. Our aim was to determine the mutational concordance between CTC and cfDNA in luminal metastatic breast cancer (MBC) with different levels of endocrine resistance.
Methods: We evaluated the mutational spectrum in matched cfDNA and … Show more
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