ArticleGynecologic oncology2025
Association between genomic instability score and progression-free/overall survival in patients with newly diagnosed non-BRCA1/2 ovarian cancer.
Article in Gynecologic oncology, 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.
- Clinical Benefit of Pembrolizumab in Lynch Syndrome-Associated Advanced Ovarian Cancer With GermlineClinical case reports · 2026Article
- Long-Term Survival in High-Grade Serous Ovarian Cancer Compared With the General US Population: A 30-Year Landmark Analysis.JCO oncology advances · 2026Article
- A pioneering artificial intelligence tool to predict treatment outcomes in ovarian cancer via diagnostic laparoscopy.Scientific reports · 2025Article
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Authors and funding
15 authors.
Funding
Abstract
objectiveWe sought to describe the association between genomic instability score (GIS) and progression-free survival (PFS) and overall survival (OS) in patients with newly diagnosed, non-BRCA1/2 ovarian cancer.
methodsHomologous recombinant deficiency (HRD) status was based on a cutoff of ≥42 GIS; patients <42 were categorized with homologous recombination proficiency (HRP). We collected type and duration of maintenance therapy, among other variables, and built a multivariate model with landmark analysis at 6 months from baseline and applied it for time-dependent variables.
resultsIncreasing GIS as a continuous variable was associated with improved PFS and OS in our cohort. Overall, median PFS was significantly longer in patients with HRD ovarian cancer (35.4 months, 25.4-NE) than in those with HRP disease (14.9 months, 13.1-16.2; p < 0.001). Median OS was 36.2 months (32.4-NE) for HRP and not reached for HRD (p = 0.002). Notably, in patients with HRP ovarian cancer, we observed a shorter median PFS in those who received a poly (adenosine diphosphate-ribose) polymerase inhibitor (PARPi) than in those who did not (12.7 months for HRP with PARPi vs 15.2 months for HRP without PARPi).
conclusionsOur results demonstrate that in newly diagnosed advanced non-BRCA1/2 ovarian cancer, GIS as a continuous variable is associated with longer PFS and OS. In patients with HRP ovarian cancer, PARPi treatment may be associated with shorter PFS, which warrants further evaluation.
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