ArticleThe oncologist2025
Risk of myelodysplastic syndrome and acute myeloid leukemia related to PARP inhibitor maintenance line in real-world ovarian cancer patients.
Article in The oncologist, 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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1 citing paper in PubMed.
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11 authors.
Funding
Abstract
objectiveTo estimate the risk of myelodysplastic syndrome (MDS) and acute myeloid leukemia (AML) secondary to PARP inhibitors (PARPi), based on the line of treatment, in real-world ovarian cancer (OC) patients.
methodsUsing the TriNetX platform, we compared a cohort (experimental A) of 3402 OC patients treated with first-line maintenance PARPi to a control cohort of 1653 OC patients treated with platinum-based chemotherapy without PARPi. Experimental group B included 356 OC patients treated with PARPi after a platinum-sensitive relapse and was compared to a control cohort of 1503 patients who had not received PARPi after 2 lines of platinum-based chemotherapy. The cohorts were propensity score matched (PSM) 1:1 (experimental A vs control 1 and experimental B vs control 2) for age, race, bevacizumab treatment, and genetic susceptibility to neoplasms. A hazard ratio (HR) was used to compare the incidence of MDS and AML between the matched cohorts.
resultsIn the first-line setting, 2 groups of 1346 matched OC patients (mean age 59.8 ± 10.2 SD) were evaluated. The overall incidence of MDS or AML was 1.9% and 0.1% in the experimental A and control groups, respectively (HR = 2.46; 95% CI 1.27-4.75, P = .006). For the platinum--sensitive relapse setting, the HR was 1.76 (95% CI 0.42-7.37, P = .432). No significant differences were observed between the various PARPi used.
conclusionsOur study indicates that PARPi may increase the risk of MDS or AML after first-line maintenance treatment. No significant differences were found across the types of PARPi used.
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