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  1. 原著論文

Proton beam therapy for extrahepatic biliary tract cancer: Analysis with prospective multi-institutional patients' registration database, Proton-Net.

https://repo.qst.go.jp/records/2000739
https://repo.qst.go.jp/records/2000739
272cc18c-a972-47ee-a26d-dc837080d12c
アイテムタイプ 学術雑誌論文 / Journal Article(1)
公開日 2024-12-04
タイトル
タイトル Proton beam therapy for extrahepatic biliary tract cancer: Analysis with prospective multi-institutional patients' registration database, Proton-Net.
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 Hideya Yamazaki

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Hideya Yamazaki

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Kei Shibuya

× Kei Shibuya

Kei Shibuya

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Takuya Kimoto

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Takuya Kimoto

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Motohisa Suzuki

× Motohisa Suzuki

Motohisa Suzuki

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Masao Murakami

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Masao Murakami

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Kazuki Terashima

× Kazuki Terashima

Kazuki Terashima

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Tomoaki Okimoto

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Tomoaki Okimoto

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Takashi Iizumi

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Takashi Iizumi

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Hideyuki Sakurai

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Hideyuki Sakurai

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Masaru Wakatsuki

× Masaru Wakatsuki

Masaru Wakatsuki

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Osamu Suzuki

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Osamu Suzuki

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Norio Katoh

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Norio Katoh

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Takeshi Arimura

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Takeshi Arimura

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Takashi Ogino

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Takashi Ogino

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Masaru Takagi

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Masaru Takagi

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Masayuki Araya

× Masayuki Araya

Masayuki Araya

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Takahiro Waki

× Takahiro Waki

Takahiro Waki

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Sae Matsumoto

× Sae Matsumoto

Sae Matsumoto

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Hiroyuki Ogino

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Hiroyuki Ogino

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Takumi Fukumoto

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Takumi Fukumoto

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Masayuki Ohtsuka

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Masayuki Ohtsuka

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抄録
内容記述タイプ Abstract
内容記述 Background and purpose: To examine the role of proton beam therapy (PBT) in the treatment of extrahepatic biliary tract cancer (EBC). Methods and materials: We analyzed the data accumulated in the Proton-Net database, which prospectively registered all individual patient data treated with PBT in all Japanese proton institutions from May 2016 to June 2019. The primary endpoint was overall survival (OS), and the secondary endpoints were local control (LC),
progression-free survival (PFS), and toxicity.
Results: Ninety-three patients with unresectable and/or recurrent EBC were treated with PBT using a median prescribed dose of 67.5 Gy (RBE) (range, 50?72.6 Gy) in 25 (22?30 fractions). With a median follow-up of 16.3
months, the median survival time was 20.1 months and the 2-year OS was 37.8%. Two-year PFS and LC rates were 20.6% and 66.5%, respectively. Poor liver function (Child-Pugh B, C), a narrower distance between the tumor and digestive tract (2 cm >), and a larger tumor diameter (2 cm <) were identified as poor prognostic factors for OS. PBT-related grade 3 ? acute and late adverse events occurred in 5.4% and 4.3% of patients, respectively, including one gastrointestinal late toxicity (duodenal ulcer).
Conclusions: This is the largest prospectively accumulated series of PBT for EBC, and PBT showed favorable outcomes with acceptable toxicity profiles.
書誌情報 Clinical and translational radiation oncology

巻 41, p. 100634, 発行日 2023-05
出版者
出版者 Elsevier B.V
ISSN
収録物識別子タイプ ISSN
収録物識別子 2405-6308
PubMed番号
識別子タイプ PMID
関連識別子 37234735
DOI
識別子タイプ DOI
関連識別子 10.1016/j.ctro.2023.100634
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