<p>We investigated trends in the use of perioperative therapy and the efficacy of adjuvant immunotherapy on the prognosis of patients with muscle-invasive urothelial carcinoma (MIUC). The usage and trends in neoadjuvant and adjuvant therapy were examined, and the efficacy of adjuvant immunotherapy was assessed using propensity score-adjusted Cox multivariate analysis. We investigated 1383 patients with muscle-invasive bladder cancer and 1124 patients with upper tract urothelial carcinoma; 1095 (43.7%) patients received neoadjuvant therapy and 366 (14.6%) patients received adjuvant therapy. Adjuvant therapy usage rate increased from 30.3% before 2022 to 61% after 2022 in patients with pathological high-risk cancer (pT3-4, ypT2-4, or pN+). The adjuvant immunotherapy usage rate increased from 2.8% before 2022 to 67.5% after 2022. Sixty-three (18.9%) of the 334 patients with pathological high-risk cancer who were treated with adjuvant therapy were treated with adjuvant immunotherapy. The propensity score-adjusted Cox multivariate analysis showed that adjuvant immunotherapy significantly improved disease-free survival (Hazard ratios (HR) 0.39, <i>P</i> &lt; 0.005) and overall survival (HR 0.20, <i>P</i> &lt; 0.005) compared with conventional adjuvant chemotherapy. In conclusion, the introduction of adjuvant immunotherapy led to the increased use of adjuvant therapy and improved prognoses in patients with MIUC in real-world practice.</p>

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Trends in the use and efficacy of adjuvant immunotherapy in muscle-invasive urothelial carcinoma

  • Shingo Hatakeyama,
  • Naoki Fujita,
  • Mizuki Kobayashi,
  • Shuya Kandori,
  • Daiki Ikarashi,
  • Hiroki Fukuhara,
  • Takuma Sato,
  • Shingo Myoen,
  • Motohide Uemura,
  • Takamitsu Inoue,
  • Masaaki Oikawa,
  • Yasuhiro Kaiho,
  • Jun Miyazaki,
  • Yoshiyuki Kojima,
  • Hisanobu Adachi,
  • Akihiro Ito,
  • Norihiko Tsuchiya,
  • Wataru Obara,
  • Hiroyuki Nishiyama,
  • Tomonori Habuchi,
  • Chikara Ohyama

摘要

We investigated trends in the use of perioperative therapy and the efficacy of adjuvant immunotherapy on the prognosis of patients with muscle-invasive urothelial carcinoma (MIUC). The usage and trends in neoadjuvant and adjuvant therapy were examined, and the efficacy of adjuvant immunotherapy was assessed using propensity score-adjusted Cox multivariate analysis. We investigated 1383 patients with muscle-invasive bladder cancer and 1124 patients with upper tract urothelial carcinoma; 1095 (43.7%) patients received neoadjuvant therapy and 366 (14.6%) patients received adjuvant therapy. Adjuvant therapy usage rate increased from 30.3% before 2022 to 61% after 2022 in patients with pathological high-risk cancer (pT3-4, ypT2-4, or pN+). The adjuvant immunotherapy usage rate increased from 2.8% before 2022 to 67.5% after 2022. Sixty-three (18.9%) of the 334 patients with pathological high-risk cancer who were treated with adjuvant therapy were treated with adjuvant immunotherapy. The propensity score-adjusted Cox multivariate analysis showed that adjuvant immunotherapy significantly improved disease-free survival (Hazard ratios (HR) 0.39, P < 0.005) and overall survival (HR 0.20, P < 0.005) compared with conventional adjuvant chemotherapy. In conclusion, the introduction of adjuvant immunotherapy led to the increased use of adjuvant therapy and improved prognoses in patients with MIUC in real-world practice.