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- W4384029064 abstract "Abstract Background Poly (ADP-ribose) polymerase (PARP) inhibitors, such as olaparib and niraparib, have been increasingly used in ovarian cancer treatment. However, the real-world safety data of these drugs in Japanese patients and the predictability of treatment interruptions are limited. Methods This retrospective study included 181 patients with ovarian cancer who received olaparib or niraparib at two independent hospitals in Japan between May 2018 and December 2022. Clinical information and blood sampling data were collected. Patient characteristics, treatment history, and hematological data trends were compared, and the predictability of treatment interruptions based on blood sampling data was examined. Results Regarding patient backgrounds, the olaparib group had higher proportions of patients with serous carcinoma, BRCA positivity, homologous recombination deficiency, and those receiving maintenance therapy after recurrence treatment than the niraparib group. Regarding toxicity properties, the most common reasons for discontinuation in the olaparib group were anemia, fatigue, and nausea, while discontinuation was primarily due to thrombocytopenia in the niraparib group. Thrombocytopenia caused by niraparib treatment occurred earlier than anemia caused by olaparib treatment. Patients with a low body mass index or who had undergone several previous treatment regimens were more likely to discontinue treatment due to adverse effects within the first 3 months. Although we analyzed blood collection data, predicting treatment interruptions due to blood toxicity using blood data was challenging. Conclusions In this study, we revealed the characteristics of patients and the timing of interruptions for each drug, highlighting the importance of carefully managing adverse effects, particularly during the early treatment stages." @default.
- W4384029064 created "2023-07-13" @default.
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- W4384029064 date "2023-07-12" @default.
- W4384029064 modified "2023-10-18" @default.
- W4384029064 title "Safety assessments and clinical features of PARP inhibitors from real-world data of Japanese patients with ovarian cancer" @default.
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- W4384029064 doi "https://doi.org/10.21203/rs.3.rs-3129590/v1" @default.
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