Search Results - "KUMAZAKI, YU"

Incidence and risk factors for pneumonitis among patients with lung cancer who received immune checkpoint inhibitors after palliative thoracic radiotherapy by Saito, Satoshi, Abe, Takanori, Iino, Misaki, Aoshika, Tomomi, Ryuno, Yasuhiro, Ohta, Tomohiro, Igari, Mitsunobu, Hirai, Ryuta, Kumazaki, Yu, Yamaguchi, Ou, Kaira, Kyoichi, Kagamu, Hiroshi, Noda, Shin-ei, Kato, Shingo

“…Abstract The aim of this study is to analyze the incidence and risk factors for pneumonitis when immune checkpoint inhibitors (ICIs) are combined with…”
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An overview of the medical-physics-related verification system for radiotherapy multicenter clinical trials by the Medical Physics Working Group in the Japan Clinical Oncology Group-Radiation Therapy Study Group by Nishio, Teiji, Nakamura, Mitsuhiro, Okamoto, Hiroyuki, Kito, Satoshi, Minemura, Toshiyuki, Ozawa, Shuichi, Kumazaki, Yu, Ishikawa, Masayori, Tohyama, Naoki, Kurooka, Masahiko, Nakashima, Takeo, Shimizu, Hidetoshi, Suzuki, Ryusuke, Ishikura, Satoshi, Nishimura, Yasumasa

“…The Japan Clinical Oncology Group-Radiation Therapy Study Group (JCOG-RTSG) has initiated several multicenter clinical trials for high-precision radiotherapy,…”
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Dose-volume parameters and local tumor control in cervical cancer treated with central-shielding external-beam radiotherapy and CT-based image-guided brachytherapy by Okazaki, Shohei, Murata, Kazutoshi, Noda, Shin-Ei, Kumazaki, Yu, Hirai, Ryuta, Igari, Mitsunobu, Abe, Takanori, Komatsu, Shuichiro, Nakano, Takashi, Kato, Shingo

“…Definitive radiotherapy for cervical cancer consists of external-beam radiotherapy (EBRT) and brachytherapy. In EBRT, a central shield (CS) reduces the dose to…”
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Assessment of using a gamma index analysis for patient‐specific quality assurance in Japan by Anetai, Yusuke, Sumida, Iori, Kumazaki, Yu, Kito, Satoshi, Kurooka, Masahiko, Ueda, Yoshihiro, Otani, Yuki, Narita, Yuichiro, Kawamorita, Ryu, Akita, Kazuhiko, Kato, Takahiro, Nakamura, Mitsuhiro

“…Purpose The Task Group 218 (TG‐218) report was published by the American Association of Physicists in Medicine in 2018, recommending the appropriate use of…”
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A prospective multicentre feasibility study of stereotactic body radiotherapy in Japanese patients with spinal metastases by Ito, Kei, Furuya, Tomohisa, Shikama, Naoto, Nihei, Keiji, Tanaka, Hiroshi, Kumazaki, Yu, Nishimura, Hideki, Karasawa, Katsuyuki

“…Stereotactic body radiotherapy has emerged as an attractive alternative to conventional radiotherapy for spinal metastases. However, it has limitations,…”
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High-dose stereotactic body radiotherapy using CyberKnife® for stage I peripheral lung cancer: a single-center retrospective study by Ryuno, Yasuhiro, Abe, Takanori, Iino, Misaki, Saito, Satoshi, Aoshika, Tomomi, Oota, Tomohiro, Igari, Mitsunobu, Hirai, Ryuta, Kumazaki, Yu, Kaira, Kyoichi, Kagamu, Hiroshi, Ishida, Hironori, Noda, Shin-ei, Kato, Shingo

“…Abstract Background This retrospective study was performed to evaluate the efficacy and toxicity of high-dose stereotactic body radiotherapy (SBRT) using a…”
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Dosimetric comparison of three-dimensional conformal radiotherapy versus volumetric-arc radiotherapy in cervical cancer treatment: applying the central-shielding principle to modern technology by Tamaki, Tomoaki, Hirai, Ryuta, Igari, Mitsunobu, Kumazaki, Yu, Noda, Shin-Ei, Suzuki, Yoshiyuki, Kato, Shingo

“…This study evaluated the feasibility of applying volumetric-arc radiotherapy (VMAT) in standard curative radiotherapy for non-bulky cervical cancer using the…”
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Effect of durvalumab on local control after concurrent chemoradiotherapy for locally advanced non‐small cell lung cancer in comparison with chemoradiotherapy alone by Abe, Takanori, Saito, Satoshi, Iino, Misaki, Aoshika, Tomomi, Ryuno, Yasuhiro, Ohta, Tomohiro, Igari, Mitsunobu, Hirai, Ryuta, Kumazaki, Yu, Miura, Yu, Kaira, Kyoichi, Kagamu, Hiroshi, Noda, Shin‐ei, Kato, Shingo

“…Background Durvalumab after concurrent chemoradiotherapy (CCRT) for locally advanced non‐small cell lung cancer (LA‐NSCLC) has been found to significantly…”
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Feasibility of intensity modulated radiotherapy with involved field radiotherapy for Japanese patients with locally advanced non-small cell lung cancer by Abe, Takanori, Iino, Misaki, Saito, Satoshi, Aoshika, Tomomi, Ryuno, Yasuhiro, Ohta, Tomohiro, Igari, Mitsunobu, Hirai, Ryuta, Kumazaki, Yu, Miura, Yu, Kaira, Kyoichi, Kagamu, Hiroshi, Noda, Shin-ei, Kato, Shingo

“…Abstract The feasibility of intensity modulated radiotherapy (IMRT) with involved field radiotherapy (IFRT) for Japanese patients with locally advanced…”
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A 54 Gy in three fractions of stereotactic body radiotherapy using CyberKnife for T1b-2aN0M0 pathologically confirmed non-small cell lung cancer by Abe, Takanori, Ryuno, Yasuhiro, Iino, Misaki, Saito, Satoshi, Aoshika, Tomomi, Ohta, Tomohiro, Igari, Mitsunobu, Hirai, Ryuta, Kumazaki, Yu, Kaira, Kyoichi, Kagamu, Hiroshi, Ishida, Hironori, Noda, Shin-Ei, Kato, Shingo

“…Optimal dose-fractionation regimen of stereotactic body radiotherapy for peripheral early-stage non-small cell lung cancer remains unclear. We retrospectively…”
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Dose–volume histogram analysis of composite EQD2 dose distributions using the central shielding technique in cervical cancer radiotherapy by Tamaki, Tomoaki, Noda, Shin-ei, Ohno, Tatsuya, Kumazaki, Yu, Kato, Shingo, Nakano, Takashi

“…Abstract Purpose To analyze the dose–volume histogram of the central shielding technique for cervical cancer radiotherapy by computing the composite…”
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Practical guidelines of online MR-guided adaptive radiotherapy by Okamoto, Hiroyuki, Igaki, Hiroshi, Chiba, Takahito, Shibuya, Keiko, Sakasai, Tatsuya, Jingu, Keiichi, Inaba, Koji, Kuroda, Kagayaki, Aoki, Shigeki, Tatsumi, Daisaku, Nakamura, Mitsuhiro, Kadoya, Noriyuki, Furuyama, Yoshinobu, Kumazaki, Yu, Tohyama, Naoki, Tsuneda, Masato, Nishioka, Shie, Itami, Jun, Onishi, Hiroshi, Shigematsu, Naoyuki, Uno, Takashi

“…Abstract The first magnetic resonance (MR)-guided radiotherapy system in Japan was installed in May 2017. Implementation of online MR-guided adaptive…”
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A virtual audit system for intensity‐modulated radiation therapy credentialing in Japan Clinical Oncology Group clinical trials: A pilot study by Nakamura, Mitsuhiro, Zhou, Dejun, Minemura, Toshiyuki, Kito, Satoshi, Okamoto, Hiroyuki, Tohyama, Naoki, Kurooka, Masahiko, Kumazaki, Yu, Ishikawa, Masayori, Clark, Catharine H, Miles, Elizabeth, Lehmann, Joerg, Andratschke, Nicolaus, Kry, Stephen, Ishikura, Satoshi, Mizowaki, Takashi, Nishio, Teiji

“…Purpose The Medical Physics Working Group of the Radiation Therapy Study Group at the Japan Clinical Oncology Group is currently developing a virtual audit…”
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Multi-Institutional Study of End-to-End Dose Delivery Quality Assurance Testing for Image-Guided Brachytherapy Using a Gel Dosimeter by Tachibana, Hidenobu, Watanabe, Yusuke, Kurokawa, Shogo, Maeyama, Takuya, Hiroki, Tomoyuki, Ikoma, Hideaki, Hirashima, Hideaki, Kojima, Hironori, Shiinoki, Takehiro, Tanimoto, Yuuki, Shimizu, Hidetoshi, Shishido, Hiroki, Oka, Yoshitaka, Hirose, Taka-aki, Kinjo, Masashi, Morozumi, Takuya, Kurooka, Masahiko, Suzuki, Hidekazu, Saito, Tomohiko, Fujita, Keiichi, Shirata, Ryosuke, Inada, Ryuji, Yada, Ryuichi, Yamashita, Mikiko, Kondo, Kazuto, Hanada, Takashi, Takenaka, Tadashi, Usui, Keisuke, Okamoto, Hiroyuki, Asakura, Hiroshi, Notake, Ryoichi, Kojima, Toru, Kumazaki, Yu, Hatanaka, Shogo, Kikumura, Riki, Nakajima, Masaru, Nakada, Ryosei, Suzuki, Ryusuke, Mizuno, Hideyuki, Kawamura, Shinji, Nakamura, Mistuhiro, Akimoto, Tetsuo

“…To quantify dose delivery errors for high-dose-rate image-guided brachytherapy (HDR-IGBT) using an independent end-to-end dose delivery quality assurance test…”
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Development of an HDR‐BT QA tool for source position verification by Kumazaki, Yu, Hirai, Ryuta, Igari, Mitsunobu, Kobayashi, Nao, Okazaki, Shohei, Abe, Takanori, Tamaki, Tomoaki, Noda, Shin‐ei, Kato, Shingo

“…Purpose This study aimed to develop a high‐dose‐rate brachytherapy (HDR‐BT) quality assurance (QA) tool for verification of source positions, and to report on…”
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Stereotactic body radiation therapy using CyberKnife for T1N0M0 lung cancer patients with severe pulmonary dysfunction by Abe, Takanori, Ryuno, Yasuhiro, Saito, Satoshi, Aoshika, Tomomi, Igari, Mitsunobu, Hirai, Ryuta, Kumazaki, Yu, Kaira, Kyoichi, Kagamu, Hiroshi, Ishida, Hironori, Noda, Shin-ei, Kato, Shingo

“…Abstract We retrospectively investigated the efficacy and safety of stereotactic body radiotherapy (SBRT) for T1N0M0 lung cancer using CyberKnife (CK) among 13…”
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Results of definitive radiotherapy with concurrent chemotherapy for maxillary sinus carcinomas with neck lymph node metastasis by Abe, Takanori, Saito, Satoshi, Iino, Misaki, Aoshika, Tomomi, Ryuno, Yasuhiro, Ohta, Tomohiro, Igari, Mitsunobu, Hirai, Ryuta, Kumazaki, Yu, Ebihara, Yasuhiro, Nakahira, Mitsuhiko, Sugasawa, Masashi, Noda, Shin-ei, Kato, Shingo

“…Abstract The purpose of this study was to describe the results of definitive radiotherapy (RT) with concurrent chemotherapy for maxillary sinus carcinomas…”
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Incidence and dose-volume relationship of radiation pneumonitis after concurrent chemoradiotherapy followed by durvalumab for locally advanced non-small cell lung cancer by Saito, Satoshi, Abe, Takanori, Kobayashi, Nao, Aoshika, Tomomi, Ryuno, Yasuhiro, Igari, Mitsunobu, Hirai, Ryuta, Kumazaki, Yu, Miura, Yu, Kaira, Kyoichi, Kagamu, Hiroshi, Noda, Shin-ei, Kato, Shingo

“…•Incidence of grade ≥2 RP was 36% (including grade 3 RP: 5% and grade 5 RP: 3%).•Patient characteristics did not significantly differ between patient with…”
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Learning curve of lung dose optimization in intensity-modulated radiotherapy for locally advanced non-small cell lung cancer by Igari, Mitsunobu, Abe, Takanori, Iino, Misaki, Saito, Satoshi, Aoshika, Tomomi, Ryuno, Yasuhiro, Ohta, Tomohiro, Hirai, Ryuta, Kumazaki, Yu, Noda, Shin-Ei, Kato, Shingo

“…Intensity-modulated radiotherapy (IMRT) has been increasingly used for patients with locally advanced non-small cell lung cancer (LA-NSCLC). However, there are…”
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A Japanese prospective multi-institutional feasibility study on accelerated partial breast irradiation using multicatheter interstitial brachytherapy: clinical results with a median follow-up of 60 months by Yoshida, Ken, Nose, Takayuki, Otani, Yuki, Asahi, Shuuji, Tsukiyama, Iwao, Dokiya, Takushi, Saeki, Toshiaki, Fukuda, Ichirou, Sekine, Hiroshi, Kumazaki, Yu, Takahashi, Takao, Kotsuma, Tadayuki, Masuda, Norikazu, Yoden, Eisaku, Nakashima, Kazutaka, Matsumura, Taisei, Nakagawa, Shino, Tachiiri, Seiji, Moriguchi, Yoshio, Itami, Jun, Oguchi, Masahiko

“…Background We carried out the first multi-institutional prospective study on accelerated partial breast irradiation (APBI) via multicatheter interstitial…”
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