ArticleVirchows Archiv : an international journal of pathology2025
Diagnostic utility of ESR1 mutation detection in liquid biopsy of metastatic breast cancer patients.
Article in Virchows Archiv : an international journal of pathology, 2025. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 3 papers.
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Who cites it
3 citing papers in PubMed.
- Article
- Review
- The impact of liquid biopsy in breast cancer: Redefining the landscape of non-invasive precision oncology.The journal of liquid biopsy · 2025Review
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Authors and funding
7 authors.
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Abstract
Molecular analysis of circulating cell-free DNA (cfDNA) extracted from peripheral blood plasma samples of metastatic breast cancer (BC) patients is of rising interest to find optimal therapeutic strategies. Detection of emerging resistance mutations against endocrine therapy is possible with this approach. Here we present the applicability of a laboratory-developed NGS assay in molecular pathology routine diagnostic, covering four genes with therapeutic (ESR1, PIK3CA, ERBB2) and prognostic (TP53) consequences in metastatic BC. We analyzed 162 liquid biopsy samples and 25 corresponding metastases from metastatic BC patients. In the liquid biopsies, we detected ESR1 mutations in 42 cases (25.9%) and ERBB2 mutations in six cases (3.7%), arguing for a change in therapy to fulvestrant, elacestrant, or neratinib. Furthermore, 17 cases had detectable TP53 mutations, associated with resistance against endocrine therapy. We conclude that liquid biopsy testing is a noninvasive, sensitive, and helpful method to optimize therapeutic decisions in metastatic BC.
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