ArticleAdvances in therapy2025
Comparison of Real-World Outcomes between Patients with BRCA1/2-Positive and Homologous Recombination Repair-Negative Metastatic Castration-Sensitive Prostate Cancer.
Article in Advances in therapy, 2025. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 1 paper.
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Who cites it
1 citing paper in PubMed.
- Rucaparib - drug evaluation: a PARP inhibitor for the treatment of BRCA-mutated metastatic castration-resistant prostate cancer.Future oncology (London, England) · 2026Review
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11 authors.
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Abstract
introductionThis real-world study compared time-to-next-treatment (TTNT), time-to-castration resistance (TTCR), and overall survival between patients with BRCA1/2-positive (BRCA+) and homologous recombination repair-negative (HRR-) metastatic castration-sensitive prostate cancer (mCSPC).
methodsPatients who received a genetic test and initiated treatment for mCSPC (index date) after 1/1/2018 were selected from the Flatiron Health-Foundation Medicine, Inc. Metastatic PC Clinico-Genomic Database (1/1/2017-12/31/2022). Outcomes were compared between patients with ≥ 1 positive BRCA test (BRCA+) and those without detected HRR mutations (HRR-) using weighted Kaplan-Meier analyses and Cox proportional hazards models after baseline characteristics (12 months pre-index) were balanced using inverse-probability of treatment weighting.
resultsIn total, 149 patients with BRCA+ and 1066 with HRR- mCSPC were included. Baseline characteristics were well-balanced after weighting. By 24 months after treatment initiation, a significantly higher proportion of the BRCA+ than the HRR- cohort progressed to next treatment [69.7% vs. 56.8%; hazard ratio (HR) = 1.45 (95% confidence interval (CI) 1.10, 1.92), p = 0.009]; median TTNT was shorter in the BRCA+ than the HRR- cohort (10.9 vs. 18.7 months). By 24 months, a significantly higher proportion of the BRCA+ than the HRR- cohort progressed to castration resistance [72.2% vs. 61.4%; HR = 1.46 (95% CI 1.16, 1.84), p = 0.001]; median TTCR was shorter in the BRCA+ than HRR- cohort (12.9 vs. 16.9 months). Numerically fewer patients in the BRCA+ than the HRR- cohort survived 24 months after PC diagnosis [80.6% vs. 85.4%; HR = 1.46 (95% CI 0.99, 2.14), p = 0.054].
conclusionFindings demonstrate worse outcomes for patients with BRCA+ mCSPC treated with available advanced therapies, supporting the need for effective genetically targeted therapies in this population.
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