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논문 기본 정보

자료유형
학술저널
저자정보
Takahiro Nozaki (Yamanashi Central Hospital) Ikuko Sakamoto (Yamanashi Central Hospital) Keiko Kagami (Department of Gynecology, Yamanashi Central Hospital, Kofu, Japan) Kenji Amemiya (Yamanashi Central Hospital) Yosuke Hirotsu (Yamanashi Central Hospital) Hitoshi Mochizuki (Yamanashi Central Hospital) Masao Omata (Yamanashi Central Hospital)
저널정보
대한부인종양학회 Journal of Gynecologic Oncology Journal of Gynecologic Oncology Vol.35 No.4
발행연도
2024.7
수록면
1 - 12 (12page)
DOI
https://doi.org/10.3802/jgo.2024.35.e55

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Objective: To determine the useful biomarker for predicting the effects of poly-(ADP ribose)-polymerase (PARP) inhibitors in Japanese patients with ovarian cancer. Methods: We collected clinical information and performed molecular biological analysis on42 patients with ovarian, fallopian tube, and primar y peritoneal carcinomas who receivedPARP inhibitors. Results: Among the analyzed patients with ovarian cancer, 23.8% had germline BRCAmutation (gBRCAm), 42.9% had homologous recombination repair-related gene mutation(HRRm), and 61.1% had a genomic instability score (GIS) of ≥42. Patients with HRRm hada significantly longer progression-free sur vival (PFS) than those without HRRm (medianPFS 35.6 vs. 7.9 months; p=0.009), with a particularly marked increase in PFS in patientswith gBRCAm (median PFS 42.3 months). Similarly, among patients with recurrent ovariancancer, those with HRRm had a longer PFS than those without HRRm (median PFS 42.3 vs. 7.7 months; p=0.040). Multivariate Cox proportional hazards regression analysis found thatperformance status and gBRCAm status were independent factors associated with prolongedPFS with PARP inhibitors. In recurrent ovarian cancer, multivariate regression analysisidentified platinum-free inter val (PFI) in addition to performance status as a significantpredictor of PFS. On the contrar y, no significant association was obser ved between PFS and aGIS of ≥42 used in clinical practice. Conclusion: We found that HRRm can be a useful biomarker for predicting the effects ofPARP inhibitors in treating ovarian cancer and that the PFI can also be useful in recurrentovarian cancer.

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