Efficacy and safety of 4-weekly cabazitaxel for castration-resistant prostate cancer: a multi-institutional study

Masaki Shiota, Motonobu Nakamura, Akira Yokomizo, Toshihisa Tomoda, Naotaka Sakamoto, Narihito Seki, Shuji Hasegawa, Takakazu Yunoki, Masahiko Harano, Kentaro Kuroiwa, Masatoshi Eto

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Objective: This study aimed to reveal the efficacy and safety profiles of 4-weekly cabazitaxel in patients with castration-resistant prostate cancer (CRPC). Methods: The study included 62 Japanese patients who were treated for CRPC with ≥ 2 courses of cabazitaxel between 2014 and 2017. The oncological outcomes and adverse events were compared between 16 (25.8%) and 46 (74.2%) men who were treated with standard 3-weekly and alternative 4-weekly regimens, respectively. Results: The prostate-specific antigen (PSA) response was comparable between the 3-weekly and 4-weekly regimens (median [interquartile range]: − 9.9% [− 64.5 to 13.0%] and − 30.7% [− 52.8 to 10.9%], P = 0.89), respectively. For patients on the 4-weekly regimen, the risks of progression (hazard ratio [HR], 95% confidence interval [CI] 1.27, 0.71–2.43, P = 0.44), treatment failure (HR, 95% CI 0.84, 0.48–1.55, P = 0.57) and any-cause mortality (HR, 95% CI 1.09, 0.58–2.17, P = 0.79) were comparable to those for patients on the 3-weekly regimen. The incidences of severe adverse events were also similar between the 3-weekly and 4-weekly regimens. Conclusions: 3-weekly and 4-weekly regimens of cabazitaxel showed similar efficacy and safety profiles in a real-world clinical setting. These data suggest that a 4-weekly regimen may be acceptable for selected patients.

元の言語英語
ページ(範囲)561-566
ページ数6
ジャーナルCancer chemotherapy and pharmacology
84
発行部数3
DOI
出版物ステータス出版済み - 9 1 2019

All Science Journal Classification (ASJC) codes

  • Oncology
  • Toxicology
  • Pharmacology
  • Cancer Research
  • Pharmacology (medical)

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    Shiota, M., Nakamura, M., Yokomizo, A., Tomoda, T., Sakamoto, N., Seki, N., Hasegawa, S., Yunoki, T., Harano, M., Kuroiwa, K., & Eto, M. (2019). Efficacy and safety of 4-weekly cabazitaxel for castration-resistant prostate cancer: a multi-institutional study. Cancer chemotherapy and pharmacology, 84(3), 561-566. https://doi.org/10.1007/s00280-019-03874-7