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  1. 原著論文

Bladder Preservation Therapy in Combination with Atezolizumab and Radiation Therapy (BPT-ART) for Invasive Bladder Cancer: Final Analysis from a Multicentre, Open-label, Prospective Phase 2 Trial.

https://repo.qst.go.jp/records/2002868
https://repo.qst.go.jp/records/2002868
c251bab7-6eec-49c0-8675-b07d071835cf
アイテムタイプ 学術雑誌論文 / Journal Article(1)
公開日 2026-02-27
タイトル
タイトル Bladder Preservation Therapy in Combination with Atezolizumab and Radiation Therapy (BPT-ART) for Invasive Bladder Cancer: Final Analysis from a Multicentre, Open-label, Prospective Phase 2 Trial.
言語 en
言語
言語 eng
資源タイプ
資源タイプ識別子 http://purl.org/coar/resource_type/c_6501
資源タイプ journal article
著者 Yoshiyuki Nagumo

× Yoshiyuki Nagumo

Yoshiyuki Nagumo

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Tomokazu Kimura

× Tomokazu Kimura

Tomokazu Kimura

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Hitoshi Ishikawa

× Hitoshi Ishikawa

Hitoshi Ishikawa

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Yuta Sekino

× Yuta Sekino

Yuta Sekino

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Kazushi Maruo

× Kazushi Maruo

Kazushi Maruo

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Bryan J Mathis

× Bryan J Mathis

Bryan J Mathis

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Yukio Kageyama

× Yukio Kageyama

Yukio Kageyama

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Hiroki Ushijima

× Hiroki Ushijima

Hiroki Ushijima

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Jun Kamei

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Jun Kamei

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Hideomi Yamashita

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Hideomi Yamashita

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Haruto Azuma

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Haruto Azuma

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Keiji Nihei

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Keiji Nihei

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Taku Naiki

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Taku Naiki

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Natsuo Tomita

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Natsuo Tomita

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Yasuyuki Kobayashi

× Yasuyuki Kobayashi

Yasuyuki Kobayashi

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Kotaro Yoshio

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Kotaro Yoshio

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Takashi Matsumoto

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Takashi Matsumoto

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Tadamasa Yoshitake

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Tadamasa Yoshitake

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Takahiro Osawa

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Takahiro Osawa

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Kentaro Nishioka

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Kentaro Nishioka

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Yuki Kita

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Yuki Kita

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Takashi Mizowaki

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Takashi Mizowaki

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Kyosuke Hattori

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Kyosuke Hattori

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Toyonori Tsuzuki

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Toyonori Tsuzuki

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Koichi Hashimoto

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Koichi Hashimoto

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Hiroyuki Nishiyama

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Hiroyuki Nishiyama

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抄録
内容記述タイプ Abstract
内容記述 Radical cystectomy (RC) is the standard care for muscle-invasive or very high-risk non-muscle-invasive bladder cancer (BC), but optimal management for bladder preservation remains uncertain. In this multicentre, open-label, phase 2 trial, patients with cT1-3 N0 M0 muscle-invasive BC received radiation therapy (RT; 41.4 Gy to the small pelvis and 16.2 Gy to the whole bladder) and atezolizumab (1200 mg) every 3 wk. The primary endpoint was progression-free survival (PFS) at 3 yr. Key secondary endpoints included the clinical complete response (cCR) rate at 24 wk, overall survival (OS), and the bladder-intact recurrence-free rate (BIRFR). From 2019 to 2021, 41 of the 45 patients enrolled received treatment. The median age was 71 yr and most patients (73%) had T2 tumours. At 24 wk, 84% achieved cCR. The 3-yr PFS rate was 70% (95% confidence interval [CI] 54-81%), with the lower limit of the 95% CI exceeding the prespecified threshold of 45%. The 3-yr OS rate was 91% and the 3-yr BIRFR was 89%. Grade ≥3 adverse events occurred in 55% of patients, but no treatment-related deaths were observed. Limitations include the single-arm design and cohort size. Bladder preservation therapy with atezolizumab and RT showed favourable treatment effects with manageable toxicity for patients unfit for or refusing RC.
書誌情報 European urology

発行日 2026-01
出版者
出版者 Elsevier Science
ISSN
収録物識別子タイプ ISSN
収録物識別子 1873-7560
PubMed番号
識別子タイプ PMID
関連識別子 41548990
DOI
識別子タイプ DOI
関連識別子 10.1016/j.eururo.2025.12.019
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