OKAMOTO MASAHIKO 岡本雅彦

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OKAMOTO Masahiko 岡本雅彦

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Researcher Number	10451725
Other IDs
Affiliation (Current)	2025: 埼玉医科大学, 医学部, 教授 2025: 群馬大学, 大学院医学系研究科, 准教授
Affiliation (based on the past Project Information) *help	2025: 群馬大学, 大学院医学系研究科, 准教授 2021 – 2023: 群馬大学, 大学院医学系研究科, 准教授 2015 – 2020: 群馬大学, 医学部附属病院, 講師 2013 – 2014: 群馬大学, 重粒子線医学推進機構, 助教
Review Section/Research Field	Principal Investigator Basic Section 52040:Radiological sciences-related / Radiation science Except Principal Investigator Radiation science
Keywords	Principal Investigator 重粒子線治療 / 放射線治療 / 膵癌 / 小児腫瘍 / 骨軟部腫瘍 / 線量増加 / 重粒子治療 / 腫瘍免疫 / 重粒子線 / 放射線 … More / PD-L1 / 化学放射線治療 / Gemcitabine / 炭素イオン線 / 重粒子 / microRNA / 放射線抵抗性 … More Except Principal Investigator 重粒子線治療 / 粒子線治療 / 放射線治療 / 線量堆積解析 / PD-L1 / 個別最適化 / 放射線治療学 / 放射線生物学 / 重粒子線 / 自己放射化PET / QA/QC / 線量分布 Less

Research on optimization of carbon ion radiotherapy for bone and soft tissue tumors in children and AYAsPrincipal Investigator
- Principal Investigator
  
  岡本雅彦
- Project Period (FY)
  2025 – 2028
- Research Category
  
  Grant-in-Aid for Scientific Research (C)
- Review Section
  
  Basic Section 52040:Radiological sciences-related
- Research Institution
  Gunma University
膵癌に対する重粒子線治療の時間的・空間的最適化に関する研究Principal Investigator
- Principal Investigator
  
  岡本雅彦
- Project Period (FY)
  2021 – 2024
- Research Category
  
  Grant-in-Aid for Scientific Research (C)
- Review Section
  
  Basic Section 52040:Radiological sciences-related
- Research Institution
  Gunma University
Basic and clinical research for advanced cancer heavy ion radiotherapy and individualized treatment
- Principal Investigator
  
  Nakano Takashi
- Project Period (FY)
  2016 – 2019
- Research Category
  
  Grant-in-Aid for Scientific Research (B)
- Research Field
  
  Radiation science
- Research Institution
  Gunma University
Tumor immunomodulation mechanism after carbon ion beam irradiation on pancreatic cancer cellsPrincipal Investigator
- Principal Investigator
  
  Okamoto Masahiko
- Project Period (FY)
  2016 – 2018
- Research Category
  
  Grant-in-Aid for Young Scientists (B)
- Research Field
  
  Radiation science
- Research Institution
  Gunma University
The role of the microRNA in the radiation resistance using pancreatic cancer cellPrincipal Investigator
- Principal Investigator
  
  Okamoto Masahiko
- Project Period (FY)
  2014 – 2016
- Research Category
  
  Grant-in-Aid for Young Scientists (B)
- Research Field
  
  Radiation science
- Research Institution
  Gunma University
An Attempt to Establish the Technology for Estimating Real Irradiated Dose of Particle Therapy in a Living Body
- Principal Investigator
  
  KATOH Hiroyuki
- Project Period (FY)
  2013 – 2015
- Research Category
  
  Grant-in-Aid for Challenging Exploratory Research
- Research Field
  
  Radiation science
- Research Institution
  Gunma University

All 2023 2022 2020 2019 2018 2016 2015

All Journal Article Presentation

[Journal Article] Carbon-Ion Radiotherapy Combined with Concurrent Chemotherapy for Locally Advanced Pancreatic Cancer: A Retrospective Case Series Analysis2023
- Author(s)
  Okamoto Masahiko、Shiba Shintaro、Kobayashi Daijiro、Miyasaka Yuhei、Okazaki Shohei、Shibuya Kei、Ohno Tatsuya
- Journal Title
  
  Cancers
  
  Volume: 15 Issue: 10 Pages: 2857-2857
- DOI
  10.3390/cancers15102857
- Peer Reviewed / Open Access
- Data Source
  KAKENHI-PROJECT-21K07667
[Journal Article] Robust Beam Selection Based on Water Equivalent Thickness Analysis in Passive Scattering Carbon-Ion Radiotherapy for Pancreatic Cancer2023
- Author(s)
  Zhou Yuan、Sakai Makoto、Li Yang、Kubota Yoshiki、Okamoto Masahiko、Shiba Shintaro、Okazaki Shohei、Matsui Toshiaki、Ohno Tatsuya
- Journal Title
  
  Cancers
  
  Volume: 15 Issue: 9 Pages: 2520-2520
- DOI
  10.3390/cancers15092520
- Peer Reviewed / Open Access
- Data Source
  KAKENHI-PROJECT-21K07667
[Journal Article] 膵癌に対する粒子線治療2022
- Author(s)
  岡本雅彦、大野達也
- Journal Title
  
  肝胆膵
  
  Volume: 2 Pages: 199-204
- Int'l Joint Research
- Data Source
  KAKENHI-PROJECT-21K07667
[Journal Article] Clinical impact of Hypofractionated carbon ion radiotherapy on locally advanced hepatocellular carcinoma2020
- Author(s)
  Shiba S, Shibuya K, Okamoto M, Okazaki S, Komatsu S, Kubota Y, Nakano T, Ohno T.
- Journal Title
  
  Radiat Oncol
  
  Volume: 14;15(1) Issue: 1 Pages: 195-195
- DOI
  10.1186/s13014-020-01634-z
- Peer Reviewed / Open Access
- Data Source
  KAKENHI-PROJECT-16H05388, KAKENHI-PROJECT-17K09056
[Journal Article] Potential Pitfalls of Diaphragm Structural Matching in Carbon-ion Radiotherapy for Pancreatic Cancer2019
- Author(s)
  ITABASHI YUSUKE、KUBOTA YOSHIKI、OKAMOTO MASAHIKO、TSUDA KAZUHISA、SHIBA SHINTARO、HOSHINO YOSHIHIKO、SUTO TAKAYUKI、OHNO TATSUYA、NAKANO TAKASHI
- Journal Title
  
  Anticancer Research
  
  Volume: 39 Issue: 8 Pages: 4351-4356
- DOI
  10.21873/anticanres.13603
- Peer Reviewed / Open Access
- Data Source
  KAKENHI-PROJECT-17K09056, KAKENHI-PROJECT-16H05388
[Journal Article] Postoperative pelvic intensity-modulated radiation therapy reduced the incidence of late gastrointestinal complications for uterine cervical cancer patients2019
- Author(s)
  Tsuchida Keisuke、Murakami Naoya、Kato Tomoyasu、Okuma Kae、Okamoto Hiroyuki、Kashihara Tairo、Takahashi Kana、Inaba Koji、Igaki Hiroshi、Nakayama Yuko、Nakano Takashi、Itami Jun
- Journal Title
  
  Journal of Radiation Research
  
  Volume: 60 Issue: 5 Pages: 650-657
- DOI
  10.1093/jrr/rrz041
- Peer Reviewed / Open Access
- Data Source
  KAKENHI-PROJECT-16K10410, KAKENHI-PROJECT-16H05388
[Journal Article] Deep learning-assisted literature mining for in vitro radiosensitivity data2019
- Author(s)
  Komatsu Shuichiro、Oike Takahiro、Komatsu Yuka、Kubota Yoshiki、Sakai Makoto、Matsui Toshiaki、Nuryadi Endang、Permata Tiara Bunga Mayang、Sato Hiro、Kawamura Hidemasa、Okamoto Masahiko、Kaminuma Takuya、Murata Kazutoshi、Okano Naoko、Hirota Yuka、Ohno Tatsuya、Saitoh Jun-ichi、Shibata Atsushi、Nakano Takashi
- Journal Title
  
  Radiotherapy and Oncology
  
  Volume: 139 Pages: 87-93
- DOI
  10.1016/j.radonc.2019.07.003
- Peer Reviewed / Open Access / Int'l Joint Research
- Data Source
  KAKENHI-PROJECT-17K09056, KAKENHI-PROJECT-18K07706, KAKENHI-PROJECT-17H04713, KAKENHI-PROJECT-16H05388
[Journal Article] Prospective Observational Study of High-Dose Carbon-Ion Radiotherapy for Pelvic Recurrence of Rectal Cancer (GUNMA 0801)2019
- Author(s)
  Shiba S, Okamoto M, Kiyohara H, Ohno T, Kaminuma T, Asao T, Ojima H, Shirabe K, Kuwano H, Nakano T.
- Journal Title
  
  Front Oncol.
  
  Volume: 31;9 Pages: 702-702
- DOI
  10.3389/fonc.2019.00702
- Peer Reviewed / Open Access
- Data Source
  KAKENHI-PROJECT-16H05388
[Journal Article] Evaluation of Intensity- and Contour-Based Deformable Image Registration Accuracy in Pancreatic Cancer Patients2019
- Author(s)
  Kubota Yoshiki、Okamoto Masahiko、Li Yang、Shiba Shintaro、Okazaki Shohei、Komatsu Shuichiro、Sakai Makoto、Kubo Nobuteru、Ohno Tatsuya、Nakano Takashi
- Journal Title
  
  Cancers
  
  Volume: 11 Issue: 10 Pages: 1447-1447
- DOI
  10.3390/cancers11101447
- Peer Reviewed / Open Access
- Data Source
  KAKENHI-PROJECT-17K09056, KAKENHI-PROJECT-16H05388
[Journal Article] Multi-institutional Study of Carbon-ion Radiotherapy for Locally Advanced Pancreatic Cancer: Japan Carbon-ion Radiation Oncology Study Group (J-CROS) Study 1403 Pancreas2018
- Author(s)
  Kawashiro Shohei、Yamada Shigeru、Okamoto Masahiko、Ohno Tatsuya、Nakano Takashi、Shinoto Makoto、Shioyama Yoshiyuki、Nemoto Kenji、Isozaki Yuka、Tsuji Hiroshi、Kamada Tadashi
- Journal Title
  
  International Journal of Radiation Oncology*Biology*Physics
  
  Volume: 101 Issue: 5 Pages: 1212-1221
- DOI
  10.1016/j.ijrobp.2018.04.057
- Peer Reviewed
- Data Source
  KAKENHI-PROJECT-16K19806
[Journal Article] Initial Results of Hypofractionated Carbon Ion Radiotherapy for Cholangiocarcinoma.2016
- Author(s)
  Abe T, Shibuya K, Koyama Y, Okamoto M, Kiyohara H, Katoh H, Shimada H, Kuwano H, Ohno T, Nakano T
- Journal Title
  
  Anticancer research
  
  Volume: 12(１) Pages: 2955-2960
- Peer Reviewed
- Data Source
  KAKENHI-PROJECT-16H05388
[Presentation] Evaluation of intensity-, contour-based, and hybrid deformable image registration accuracy for pancreatic cancer patient images.2019
- Author(s)
  Y Kubota, M Okamoto, Y Li, S Shiba, S Okazaki, S Komatsu, M Sakai, N Kubo, T Ohno, T Nakano
- Organizer
  PTCOG-AO2019
- Int'l Joint Research
- Data Source
  KAKENHI-PROJECT-16H05388
[Presentation] A preliminary study on adaptive carbon-ion radiotherapy with passive irradiation for pancreatic cancer.2019
- Author(s)
  Y Li, Y Kubota, M Okamoto, S Shiba, S Okazaki, S Komatsu, T Nakano, T Ohno.
- Organizer
  PTCOG-AO2019
- Int'l Joint Research
- Data Source
  KAKENHI-PROJECT-16H05388
[Presentation] Initial results of carbon ion radiotherapy combined with S-1 for locally advanced pancreatic cancer2019
- Author(s)
  Yasumasa Mori1,2, Masahiko Okamoto1,2, Hiroki Kiyohara３,Hiroyuki Katoh4,Kei Shibuya1,2, Takuya Kaminuma1,2, Shintaro Shiba1,2 ,Naoko Okano1,2, Tatsuya
- Organizer
  ESTRO38
- Int'l Joint Research
- Data Source
  KAKENHI-PROJECT-16H05388
[Presentation] 局所進行膵癌に対する重粒子線治療の現状2019
- Author(s)
  岡本雅彦
- Organizer
  第36回群馬胆・膵疾患研究会
- Data Source
  KAKENHI-PROJECT-16K19806
[Presentation] Carobon ion radiotheraphy for born and soft tissue tumors:analysis of 92 patients at Gunma University Heavyion Medical center(GHMC)2019
- Author(s)
  T. Kaminuma, M. Okamoto, H. Kiyohara, T. Yanagawa, K. Shibuya, N. Okano, S. Shiba, Y. Mori, K. I. Saitoh, T. Nozaki, T. Ohno and T. Nakano
- Organizer
  2019 ASTRO Annual Meeting
- Int'l Joint Research
- Data Source
  KAKENHI-PROJECT-16H05388
[Presentation] Outcomes and Prognostic Factors after Carbon-ion Radiotherapy for Hepatocellular Carcinoma2018
- Author(s)
  Hiroyuki Katoh、Yoshinori Koyama, Shintaro Shiba, Masahiko Okamoto, Kenichiro Araki, Akira Kakizaki, Tatsuya Ohno, Ken Shirabe, Takashi Nakano
- Organizer
  APPLE2018 :The 9th Asia-Pacific Primary Liver Cancer Expert Meeting
- Int'l Joint Research
- Data Source
  KAKENHI-PROJECT-16H05388
[Presentation] 膵臓がんの炭素線治療における横隔膜合わせの有用性2018
- Author(s)
  板橋佑典、岡本雅彦
- Organizer
  日本医学放射線学会　第31回学術集会
- Data Source
  KAKENHI-PROJECT-16K19806
[Presentation] 局所進行膵癌に対するS１併用重粒子線治療の初期経験2018
- Author(s)
  森康晶、岡本雅彦
- Organizer
  日本医学放射線学会　第31回学術集会
- Data Source
  KAKENHI-PROJECT-16K19806
[Presentation] 胆管癌に対する炭素線治療の初期成績2016
- Author(s)
  渋谷圭、小山佳成、岡本雅彦、清原浩樹、大野達也、中野隆史
- Organizer
  第52回日本肝癌研究研究会
- Place of Presentation
  虎ノ門ヒルズフォーラム
- Year and Date
  2016-07-01
- Data Source
  KAKENHI-PROJECT-16H05388
[Presentation] Comparison of dose distributions between carbon ion beam and IMRT in locally advanced pancreas cancer2015
- Author(s)
  Mashiko Okamoto, Hiroki Kiyohara, Kyohei Fukata, Naoko Okano, Keitaro Hirai, Kenichiro Araki, Izumi Takeyoshi, Tatsuya Ohno, Takashi Nakano
- Organizer
  Particle Therapy Co-Operative Group 54th Annual Conference
- Place of Presentation
  San Diego, United States
- Year and Date
  2015-05-18
- Int'l Joint Research
- Data Source
  KAKENHI-PROJECT-25670527
[Presentation] Comparison of dose distributions between carbon ion beam and IMRT in locally advanced pancreas cancer2015
- Author(s)
  Masahiko Okamoto
- Organizer
  54th Annual Conference of teh Particle Therapy Co-Operative Group
- Place of Presentation
  San Diego
- Year and Date
  2015-05-18
- Int'l Joint Research
- Data Source
  KAKENHI-PROJECT-26860978
[Presentation] The Clinical Experience of Immunotherapy and Immunoradiotherapy2015
- Author(s)
  Masahiko Okamoto
- Organizer
  28th Annual meeting of Japanese Society for Radiation Oncology
- Place of Presentation
  群馬県前橋市
- Year and Date
  2015-11-19
- Data Source
  KAKENHI-PROJECT-26860978
[Presentation] Carbon ion radiotherapy for inoperable pancreatic cancer in super-elderly patients2015
- Author(s)
  Hiroto Murata, Masahiko Okamoto
- Organizer
  28th Annual meeting of Japanese Society for Radiation Oncology
- Place of Presentation
  群馬県前橋市
- Year and Date
  2015-11-19
- Data Source
  KAKENHI-PROJECT-26860978

1. SHIRAI Katsuyuki (10400748)

# of Collaborated Projects: 2 results

# of Collaborated Products: 0 results
2. KAWAMURA Hidemasa (80431716)

# of Collaborated Projects: 2 results

# of Collaborated Products: 0 results
3. KATOH Hiroyuki (30334121)

# of Collaborated Projects: 1 results

# of Collaborated Products: 0 results
4. Nakano Takashi (20211427)

# of Collaborated Projects: 1 results

# of Collaborated Products: 8 results
5. 田巻倫明 (20400749)

# of Collaborated Projects: 1 results

# of Collaborated Products: 0 results
6. 柴田淳史 (30707633)

# of Collaborated Projects: 1 results

# of Collaborated Products: 0 results
7. 若月優 (40399449)

# of Collaborated Projects: 1 results

# of Collaborated Products: 0 results
8. 鈴木義行 (60334116)

# of Collaborated Projects: 1 results

# of Collaborated Products: 0 results
9. 野田真永 (60396645)

# of Collaborated Projects: 1 results

# of Collaborated Products: 0 results
10. 齋藤淳一 (70572816)

# of Collaborated Projects: 1 results

# of Collaborated Products: 1 results
11. 鳥飼幸太 (90443077)

# of Collaborated Projects: 1 results

# of Collaborated Products: 0 results
12. Murata Hiroto

# of Collaborated Projects: 1 results

# of Collaborated Products: 0 results
13. OHNO Tatsuya

# of Collaborated Projects: 0 results

# of Collaborated Products: 3 results
14. 久保田佳樹

# of Collaborated Projects: 0 results

# of Collaborated Products: 3 results
15. 井垣浩

# of Collaborated Projects: 0 results

# of Collaborated Products: 1 results
16. 伊丹純

# of Collaborated Projects: 0 results

# of Collaborated Products: 1 results
17. 酒井真理

# of Collaborated Projects: 0 results

# of Collaborated Products: 2 results

OKAMOTO MASAHIKO 岡本 雅彦

OKAMOTO Masahiko 岡本 雅彦

Research Projects

Research Products

Co-Researchers

Research on optimization of carbon ion radiotherapy for bone and soft tissue tumors in children and AYAsPrincipal Investigator

Principal Investigator

Project Period (FY)

Research Category

Review Section

Research Institution

膵癌に対する重粒子線治療の時間的・空間的最適化に関する研究Principal Investigator

Principal Investigator

Project Period (FY)

Research Category

Review Section

Research Institution

Basic and clinical research for advanced cancer heavy ion radiotherapy and individualized treatment

Principal Investigator

Project Period (FY)

Research Category

Research Field

Research Institution

Tumor immunomodulation mechanism after carbon ion beam irradiation on pancreatic cancer cellsPrincipal Investigator

Principal Investigator

Project Period (FY)

Research Category

Research Field

Research Institution

The role of the microRNA in the radiation resistance using pancreatic cancer cellPrincipal Investigator

Principal Investigator

Project Period (FY)

Research Category

Research Field

Research Institution

An Attempt to Establish the Technology for Estimating Real Irradiated Dose of Particle Therapy in a Living Body

Principal Investigator

Project Period (FY)

Research Category

Research Field

Research Institution

[Journal Article] Carbon-Ion Radiotherapy Combined with Concurrent Chemotherapy for Locally Advanced Pancreatic Cancer: A Retrospective Case Series Analysis2023

Author(s)

Journal Title

DOI

Data Source

[Journal Article] Robust Beam Selection Based on Water Equivalent Thickness Analysis in Passive Scattering Carbon-Ion Radiotherapy for Pancreatic Cancer2023

Author(s)

Journal Title

DOI

Data Source

[Journal Article] 膵癌に対する粒子線治療2022

Author(s)

Journal Title

Data Source

[Journal Article] Clinical impact of Hypofractionated carbon ion radiotherapy on locally advanced hepatocellular carcinoma2020

Author(s)

Journal Title

DOI

Data Source

[Journal Article] Potential Pitfalls of Diaphragm Structural Matching in Carbon-ion Radiotherapy for Pancreatic Cancer2019

Author(s)

Journal Title

DOI

Data Source

[Journal Article] Postoperative pelvic intensity-modulated radiation therapy reduced the incidence of late gastrointestinal complications for uterine cervical cancer patients2019

Author(s)

Journal Title

DOI

Data Source

[Journal Article] Deep learning-assisted literature mining for in vitro radiosensitivity data2019

Author(s)

Journal Title

DOI

Data Source

[Journal Article] Prospective Observational Study of High-Dose Carbon-Ion Radiotherapy for Pelvic Recurrence of Rectal Cancer (GUNMA 0801)2019

Author(s)

Journal Title

DOI

Data Source

OKAMOTO MASAHIKO 岡本雅彦

OKAMOTO Masahiko 岡本雅彦