Radiobiological research for clinical application of variable RBE in proton beam therapy
Project/Area Number |
19K08190
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Research Category |
Grant-in-Aid for Scientific Research (C)
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Allocation Type | Multi-year Fund |
Section | 一般 |
Review Section |
Basic Section 52040:Radiological sciences-related
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Research Institution | National Cancer Center Japan |
Principal Investigator |
Akimoto Tetsuo 国立研究開発法人国立がん研究センター, 先端医療開発センター, 分野長 (10261851)
|
Co-Investigator(Kenkyū-buntansha) |
北條 秀博 国立研究開発法人国立がん研究センター, 東病院, 医員 (60638774)
|
Project Period (FY) |
2019-04-01 – 2023-03-31
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Project Status |
Completed (Fiscal Year 2022)
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Budget Amount *help |
¥4,290,000 (Direct Cost: ¥3,300,000、Indirect Cost: ¥990,000)
Fiscal Year 2021: ¥1,430,000 (Direct Cost: ¥1,100,000、Indirect Cost: ¥330,000)
Fiscal Year 2020: ¥1,560,000 (Direct Cost: ¥1,200,000、Indirect Cost: ¥360,000)
Fiscal Year 2019: ¥1,300,000 (Direct Cost: ¥1,000,000、Indirect Cost: ¥300,000)
|
Keywords | 陽子線治療 / 放射線生物 / 生物効果 / 強度変調陽子線治療 |
Outline of Research at the Start |
本研究の目的は、スキャニング照射法およびその発展型であるIMPTに対する細胞応答、化学療法などの併用による増感効果や細胞応答の修飾などを総合的に解析して、IMPTを含む陽子線治療における可変RBEの生物学的評価と治療計画への応用を図る基礎研究とすることである。最終的に陽子線の物理学的な特性に依存している治療計画法や線量分割、併用療法などを陽子線の生物学的特性を加味した治療法開発に発展させて、集学的治療における陽子線治療の有効性確立の基礎にすることである。
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Outline of Final Research Achievements |
In the first year, the following research were performed using in vitro cell lines. 1) cellular response to IMPT and scanning irradiation, 2) clarification of combined drugs on cellular response. In the second year, the effect of dose rate on LET and RBE in addition to cell survival analysis, and we confirmed that dose rate influenced LET and RBE. In the last year, we analyzed the correlation between in vitro data and clinical outcomes such as treatment-related toxicities and recurrence sites using clinical data of patients who were treated with IMPT to clarify the effect of dose inhomogeneity and the difference in LET.
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Academic Significance and Societal Importance of the Research Achievements |
スキャニング照射法やその発展型であるIMPTは、その線量集中性と腫瘍形状に沿って線量分布実現可能なフレキシビリティ性の向上から今後の陽子線治療の標準的な照射技術になっていくことが予想され、X線による強度変調放射線治療を凌駕する臨床的有用性を秘めている。しかし、その生物効果、特にRBEについては解析が必要な状況で、更にその生物学的特性を治療計画(線量計算)に反映することが可能になれば、これらの照射技術による臨床効果や有害事象の臨床的評価の基礎になることのみならず、生物学的特性に基づいた治療戦略の大きな武器となり得る。
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Report
(5 results)
Research Products
(117 results)
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[Journal Article] Effectiveness of an online support program to help female cancer patients manage their health and illness: Protocol for a randomized controlled trial2022
Author(s)
Mizuno M, Chiba I, Mukohara T, Kondo M, Maruo K, Ohigashi T, Naruo M, Asano Y, Onishi T, Tanabe H, Muta R, Mishima S, Okano S, Yuda M, Hosono A, Ueda Y, Bando H, Itagaki H, Ferrans CE, Akimoto T
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Contemp Clin Trials Commun
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Pages: 101035-101035
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Author(s)
Nozaki M, Kagami Y, Takahashi M, Machida R, Sekino Y, Shibata T, Ito Y, Nishimura Y, Teshima T, Ushijima H, Nagata Y, Matsumoto Y, Akimoto T, Takahashi K, Murayama S, Uno T, K, Hamamoto Y, Nakagawa K, Kodaira T, Hiraoka M; Radiation Therapy Study Group, Japan Clinical Oncology Group
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Issue: 6
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Author(s)
Ito R, Nakamura Y, Sunakawa H, Fujiwara H, Hojo H, Nakamura N, Fujita T, Yano T, Daiko H, Akimoto T, Yoshino T, Kojima T
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Journal Title
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[Journal Article] Summary of the Clinical Practice Guidelines for Penile Cancer 2021 by the Japanese Urological Association2022
Author(s)
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Int J Urol
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Issue: 8
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[Journal Article] Investigation of Concrete Radioactivation in Cyclotron Type Proton Therapy Facilities using in situ <sup>24</sup>Na Measurement Method2022
Author(s)
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Journal Title
Radiation Safety Management
Volume: 21
Issue: 0
Pages: 13-25
DOI
ISSN
1347-1511, 1884-9520
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[Journal Article] The characteristics of missed pharyngeal and laryngeal cancers at gastrointestinal endoscopy2022
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[Journal Article] Comprehensive screening for drugs that modify radiation-induced immune responses2022
Author(s)
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British journal of Cancer
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Issue: 12
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Author(s)
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[Journal Article] The Evolving Genomic Landscape of Esophageal Squamous Cell Carcinoma Under Chemoradiotherapy.2021
Author(s)
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Journal Title
Cancer Res.
Volume: 81(19)
Issue: 19
Pages: 4926-4938
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[Journal Article] Proton beam therapy for children and adolescents and young adults (AYAs): JASTRO and JSPHO Guidelines2021
Author(s)
Mizumoto M, Fuji H, Miyachi M, Soejima T, Yamamoto T, Aibe N, Demizu Y, Iwata H, Hashimoto T, Motegi A, Kawamura A, Terashima K, Fukushima T, Nakao T, Takada A, Sumi M, Oshima J, Moriwaki K, et al
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[Journal Article] Recognition and pathological features of periampullary region adenocarcinoma with an indeterminable origin2021
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Komine R,Kojima M,Ishi G,Kudo M,Sugimoto M,Kobayashi S,Takahashi S,Konishi M,Kobayashi T,Akimoto T,Murakami A,Sasaki M,Tanaka M,Matsuzaki A,Ohike N,Uchida K,Sugiyama T,Hirabayashi K,Tajiri T,Ishida K,Kai K,Omori Y,Notohara K,Yamaguchi H,Matsuda Y,Naito Y,Fukumura Y,Hamada Y,Mihara Y, et al.
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[Journal Article] Neoadjuvant S-1 With Concurrent Radiotherapy Followed by Surgery for Borderline Resectable Pancreatic Cancer: A Phase II Open-Label Multicenter Prospective Trial (JASPAC05)2020
Author(s)
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[Journal Article] Efficacy and safety of accelerated fractionated radiotherapy without elective nodal irradiation for T3N0 glottic cancer without vocal cord fixation.2020
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[Journal Article] A phase II study of adaptive two-step intensity-modulated radiation therapy (IMRT) with chemotherapy for loco-regionally advanced nasopharyngeal cancer (JCOG1015)2020
Author(s)
Nishimura Y, Ishikura S, Shibata T, Kodaira T, Ito Y, Tsuchiya K, Murakami Y, Saitoh JI, Akimoto T, Nakata K, Yoshimura M, Teshima T, Toshiyasu T, Ota Y, Ishikawa K, Shimizu H, Minemura T, Nakamura K, Hiraoka M
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[Journal Article] Enhanced Tumor Response to Radiotherapy After PD-1 Blockade in Metastatic Gastric Cancer2020
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[Journal Article] Extra-perigastric Extranodal Metastasis is a Significant Prognostic Factor in Node-Positive Gastric Cancer.2019
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[Journal Article] Frequency and predictors of detecting early locoregional recurrence/disease progression of oral squamous cell carcinoma with high-risk factors on imaging tests before postoperative adjuvant radiotherapy.2019
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[Journal Article] Liver phantom design and dosimetric verification in participating institutions for a proton beam therapy in patients with resectable hepatocellular carcinoma: Japan Clinical Oncology Group trial (JCOG1315C)2019
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[Journal Article] Hypofractionated proton beam therapy for centrally located lung cancer.2019
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J Med Imaging Radiat Oncol.
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[Journal Article] National survey on total-body irradiation prior to reduced-intensity stem cell transplantation in Japan: The Japanese Radiation Oncology Study Group.2019
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Clin Lung Cancer.
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[Journal Article] Predictive factors for hyperprogressive disease during nivolumab as anti-PD1 treatment in patients with advanced gastric cancer.2019
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[Presentation] 肺腺癌の髄膜播種に対する全脳照射後の臨床結果に影響する予後因子の検討2022
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大吉秀和, 平田秀成, 平野靖弘, 全田貞幹, 藤澤建志, 中村匡希, 北條秀博, 茂木厚, 影山俊一郎, 富澤建斗, 周宇政, 秋元哲夫
Organizer
日本放射線腫瘍学会第35回学術大会
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[Presentation] 放射線誘導がん免疫応答を修飾する薬剤のHigh Throughput Screening2022
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奥村 真之, 杜 君顔, 影山 俊一郎, 山下 理宇, 茂木 厚, 北條 秀博, 中村 匡希, 大熊 裕介, 大熊 ひとみ, 土原 一哉, 秋元 哲夫
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Author(s)
影山 俊一郎, 杜 君顔, 山下 理宇, 奥村 真之, 茂木 厚, 北條 秀博, 中村 匡希, 平田 秀成, 鈴木 絢子, 鈴木 穣, 土原 一哉, 秋元 哲夫
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ESTRO(ONLINE)
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[Presentation] Phase I dose-escalation trial of proton beam therapy with concurrent full-dose chemotherapy for patients with cStage IB/Ⅱ/Ⅲ(non-T4) esophageal squamous cell carcinoma2019
Author(s)
Akimoto T, Kojima T, Hojo H, Onozawa M, Okumura M, Nakamura M, Motegi A, Hotta K, Baba H, Zenda S, Fujita T, Nakamura N, Daiko H
Organizer
61st ASTRO Annual meeting
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