ArticleCancers2026
Real-World Outcomes of DNA Damage Repair Altered Metastatic Castration-Resistant Prostate Cancer: Insights from FFPE-Based Genomic Profiling.
Article in Cancers, 2026. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Not yet cited in PubMed.
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26 authors.
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Abstract
backgroundGermline and somatic variants in DNA Damage Repair (DDR) genes are found in approximately one-fourth of patients with metastatic prostate cancer (PC). However, their precise prognostic role and predictive impact on standard therapies remain controversial.
methodsThis retrospective, single-center study evaluated the prevalence of germline/somatic DDR aberrations in 287 eligible patients with metastatic prostate cancer (mPC), treated between 2017 and 2022. Clinical characteristics and treatment outcomes (PFS and OS) for chemotherapy (taxanes) or next-generation hormonal therapies (NHT) were compared between DDR-mutated (DDRmut) and wild-type (DDRwt) cohorts.
resultsSixty-three patients (21.9%) were DDRmut, with BRCA2 (12.5%), ATM (3.1%), and BRCA1 (1.39%) being the most common alterations. A family history of breast, ovarian, or prostate cancer strongly predicted DDRmut status (47.0% vs. 14.0%,
conclusionsFormalin-fixed paraffin-embedded (FFPE) prostate tissue is highly reliable for DDR, possibly integrating novel liquid biopsy approaches for DDR evaluation. In a real-world setting, BRCA1/2 and ATM variants identify a distinct molecular subgroup that derives preferential survival benefit from first-line taxanes over standard hormonal intensification.
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