Cancer reports (Hoboken, N.J.) · 2021
Effectiveness and safety profile of pembrolizumab for metastatic urothelial cancer: A retrospective single-center analysis in Japan.
Клиническое исследованиеСтатьяПоддержка исследования: вне правительства СШАНазвание и аннотация: Перевод в очереди
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Fujiwara Motohiro, Yuasa Takeshi, Urasaki Tetsuya, Komai Yoshinobu, Fujiwara Ryo, Numao Noboru, Yamamoto Shinya, Yonese Junji
Аннотация
BACKGROUND: The paradigm of medical treatment for metastatic urothelial carcinoma is dramatically changing through the introduction of pembrolizumab.
AIM: We investigated the treatment effectiveness, the safety profile, and the prognostic factors of pembrolizumab in Japanese real-world clinical practice.
METHODS AND RESULTS: The medical records of 74 consecutive Japanese patients with metastatic urothelial cancer (UC), who started pembrolizumab as a second- or later-line treatment at our institution between January 2018 and March 2020, were reviewed and statistically analyzed. The median follow-up period after initiation of pembrolizumab was 8.5 (interquartile range: 3.5-15.7) months. The objective response rate was 30.2%, the median progression-free survival period was 4.9 months, and the median overall survival (OS) period was 13.3 months. Evaluation revealed that 39 (52.9%) patients experienced adverse events (AEs), among whom eight patients (10.9%) had severe AEs (grade 3 or more), including grade 5 hemophagocytic syndrome. Multivariate analysis indicated that the presence of liver metastasis, worse performance status (≥2), elevated serum lactate dehydrogenase, and increased C-reactive protein were predictive of shorter OS.
CONCLUSION: We studied the effectiveness and safety profile of pembrolizumab therapy in Japanese UC patients. We believe that the data presented here will be useful for clinical physicians.
AIM: We investigated the treatment effectiveness, the safety profile, and the prognostic factors of pembrolizumab in Japanese real-world clinical practice.
METHODS AND RESULTS: The medical records of 74 consecutive Japanese patients with metastatic urothelial cancer (UC), who started pembrolizumab as a second- or later-line treatment at our institution between January 2018 and March 2020, were reviewed and statistically analyzed. The median follow-up period after initiation of pembrolizumab was 8.5 (interquartile range: 3.5-15.7) months. The objective response rate was 30.2%, the median progression-free survival period was 4.9 months, and the median overall survival (OS) period was 13.3 months. Evaluation revealed that 39 (52.9%) patients experienced adverse events (AEs), among whom eight patients (10.9%) had severe AEs (grade 3 or more), including grade 5 hemophagocytic syndrome. Multivariate analysis indicated that the presence of liver metastasis, worse performance status (≥2), elevated serum lactate dehydrogenase, and increased C-reactive protein were predictive of shorter OS.
CONCLUSION: We studied the effectiveness and safety profile of pembrolizumab therapy in Japanese UC patients. We believe that the data presented here will be useful for clinical physicians.