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Peer-Reviewed Publication
Jpn J Radiol2026August 30, 2026Journal Article

IMRT planning quality under a single full-time radiation oncologist supported by structured remote peer review and planning assistance versus the two-oncologist standard: the REMOTE-IMRT prospective, pair-matched, multi-institutional trial.

Masahide Saito1, Keiichi Jingu2, Naoki Tohyama3, Hikaru Nemoto4, Takayuki Kanai5, Masahiko Kurooka6, Seiichi Ota7, Rei Umezawa2, Yoshiyuki Katsuta2, Kazuya Takeda2,8, Masaki Matsuda4, Tetsuro Tamamoto9, Ryoji Shinohara10, Akihisa Wakita11, Hiroshi Onishi4
1Department of Therapeutic Radiology, University of Yamanashi, 1110 Shimokato, Chuo, Yamanashi, 409-3898, Japan. masahides@yamanashi.ac.jp.
2Department of Radiation Oncology, Tohoku University Graduate School of Medicine, 1-1 Seiryo-machi, Aoba-ku, Sendai, Miyagi, 980-8574, Japan.
3Department of Radiological Sciences, Komazawa University, 1-23-1 Komazawa, Setagaya-ku, Tokyo, 154-8525, Japan.
4Department of Therapeutic Radiology, University of Yamanashi, 1110 Shimokato, Chuo, Yamanashi, 409-3898, Japan.
5Department of Radiation Oncology, Tokyo Women's Medical University, 8-1, Kawada-Cho, Shinjuku-Ku, Tokyo, 162-8666, Japan.
6Department of Radiation Therapy, Tokyo Medical University Hospital, 6-7-1 Nishishinjuku, Shinjuku-ku, Tokyo, 160-0023, Japan.
7Division of Radiological Technology, Department of Medical Technology, University Hospital, Kyoto Prefectural University of Medicine, 465 Kajii-cho, Kamigyo-ku, Kyoto, 602-8566, Japan.
8Department of Radiation Oncology, South Miyagi Medical Center, 38-1 Nishi, Ogawara, Shibata, Miyagi, 989-1253, Japan.
9Department of Medical Informatics, Nara Medical University Hospital, 840 Shijyo-cho, Kashihara, Nara, 634-8521, Japan.
10Center for Birth Cohort Studies, University of Yamanashi, 1110 Shimokato, Yamanashi, 409-3898, Chuo, Japan.
11Division of Medical Physics, EuroMediTech Co., Ltd, 2-20-4 Higashi-Gotanda, Shinagawa, Tokyo, 141-0022, Japan.

Abstract

PURPOSE: To determine whether intensity-modulated radiation therapy (IMRT) plan quality under a proposed facility standard of one full-time radiation oncologist supported by structured remote or part-time peer review and mandatory planning assistance is comparable to Japan's current standard requiring two full-time radiation oncologists. MATERIALS AND METHODS: In this multicenter, pair-matched, p…

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