Yagi Masashi 八木雅史

… Alternative Names

八木雅史ヤギマサシ

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Researcher Number	40737491
Other IDs	https://orcid.org/0000-0002-2827-5407
Affiliation (Current)	2025: 大阪大学, 大学院医学系研究科, 招へい教員
Affiliation (based on the past Project Information) *help	2025: 大阪大学, 大学院医学系研究科, 寄附講座助教 2022 – 2023: 大阪大学, 大学院医学系研究科, 寄附講座助教 2017 – 2020: 大阪大学, 医学系研究科, 寄附講座助教 2015: 大阪大学, 医学(系)研究科(研究院), 寄附講座助教 2014: 大阪大学, 医学(系)研究科(研究院), 研究員
Review Section/Research Field	Principal Investigator Basic Section 52040:Radiological sciences-related / Radiation science / Medical Physics and Radiological Technology Except Principal Investigator Basic Section 52040:Radiological sciences-related / Basic Section 90110:Biomedical engineering-related
Keywords	Principal Investigator 医学物理（学） / 粒子線治療 / 炭素線治療 / 超高線量率 / FLASH / 炭素線生物学的効果 / 機能イメージング / 医学物理 Except Principal Investigator 炭素イオン線 / 超高線量率照射 … More / FLASH効果 / がん放射線治療 / システム開発 / 粒子線治療 / 電子線 / 陽子線 / スキャニング照射 / 3次元患者QA / 炭素線治療 Less

Development of a Novel Therapeutic Strategy for Refractory Tumors Using FLASH Radiotherapy with Three Distinct Radiation Beam Modalities
- Principal Investigator
  
  小川和彦
- Project Period (FY)
  2025 – 2027
- Research Category
  
  Grant-in-Aid for Scientific Research (B)
- Review Section
  
  Basic Section 52040:Radiological sciences-related
- Research Institution
  The University of Osaka
Development of a ultra high dose rate (uHDR) particle beam irradiation system for applying FLASH effects to living organisms
- Principal Investigator
  
  清水伸一
- Project Period (FY)
  2025 – 2027
- Research Category
  
  Grant-in-Aid for Scientific Research (B)
- Review Section
  
  Basic Section 90110:Biomedical engineering-related
- Research Institution
  The University of Osaka
Development of a model to predict the occurrence of normal tissue damage caused by heavy particle radiation therapy
- Principal Investigator
  
  林和彦
- Project Period (FY)
  2025 – 2027
- Research Category
  
  Grant-in-Aid for Scientific Research (C)
- Review Section
  
  Basic Section 52040:Radiological sciences-related
- Research Institution
  The University of Osaka
Development of FLASH particle therapy using a synchrotronPrincipal Investigator
- Principal Investigator
  
  八木雅史
- Project Period (FY)
  2025 – 2027
- Research Category
  
  Grant-in-Aid for Scientific Research (C)
- Review Section
  
  Basic Section 52040:Radiological sciences-related
- Research Institution
  The University of Osaka
The FLASH effect in carbon-ion beamPrincipal Investigator
- Principal Investigator
  
  八木雅史
- Project Period (FY)
  2022 – 2024
- Research Category
  
  Grant-in-Aid for Scientific Research (C)
- Review Section
  
  Basic Section 52040:Radiological sciences-related
- Research Institution
  Osaka University
炭素線治療における3次元患者線量品質保証
- Principal Investigator
  
  高階正彰
- Project Period (FY)
  2022 – 2024
- Research Category
  
  Grant-in-Aid for Scientific Research (C)
- Review Section
  
  Basic Section 52040:Radiological sciences-related
- Research Institution
  Osaka University
Study on tissue specific biological effectiveness of carbon-ion beamPrincipal Investigator
- Principal Investigator
  
  Yagi Masashi
- Project Period (FY)
  2017 – 2020
- Research Category
  
  Grant-in-Aid for Young Scientists (B)
- Research Field
  
  Radiation science
- Research Institution
  Osaka University
Perfusion dual energy CT: Development of automatic contouring system with biological changePrincipal Investigator
- Principal Investigator
  
  Yagi Masashi
- Project Period (FY)
  2014 – 2015
- Research Category
  
  Grant-in-Aid for Research Activity Start-up
- Research Field
  
  Medical Physics and Radiological Technology
- Research Institution
  Osaka University

All 2023 2022 2019

All Journal Article Presentation Patent

[Journal Article] Ultra-high Dose-rate Carbon-ion Scanning Beam With a Compact Medical Synchrotron Contributing to Further Development of FLASH Irradiation2023
- Author(s)
  YAGI MASASHI、SHIMIZU SHINICHI、MINAMI KAZUMASA、HAMATANI NORIAKI、TSUBOUCHI TOSHIRO、TAKASHINA MASAAKI、UMEZAWA MASUMI、NOMURA TAKUYA、MUKOYOSHI WATARU、NISHIO TEIJI、KOIZUMI MASAHIKO、OGAWA KAZUHIKO、KANAI TATSUAKI
- Journal Title
  
  Anticancer Research
  
  Volume: 43 Issue: 2 Pages: 581-589
- DOI
  10.21873/anticanres.16194
- Peer Reviewed / Open Access
- Data Source
  KAKENHI-PROJECT-22K07695, KAKENHI-PROJECT-22K07642, KAKENHI-PROJECT-23H00553
[Journal Article] Current status and challenges of studies on FLASH effect using ultra-high dose rate irradiation with particle beam therapy systems2023
- Author(s)
  TAKUTO MIYOSHI, KOJI MATSUDA, TAKUYA NOMURA, HIROYUKI OGINO, HIROMITSU IWATA, TOSHIYUKI TOSHITO, CHIHIRO OMACHI, MASASHI YAGI, SHIN'ICHI SHIMIZU, NORIAKI HAMATANI, TOSHIRO TSUBOUCHI, MASAAKI TAKASHINA, KAZUHIKO OGAWA, TATSUAKI KANAI, MASUMI UMEZAWA
- Journal Title
  
  Radiation Biology Research Communications
  
  Volume: 58 Pages: 128-149
- Data Source
  KAKENHI-PROJECT-22K07695
[Journal Article] Validation of robust radiobiological optimization algorithms based on the mixed beam model for intensity-modulated carbon-ion therapy2023
- Author(s)
  Yagi Masashi、Tsubouchi Toshiro、Hamatani Noriaki、Takashina Masaaki、Saruwatari Naoto、Minami Kazumasa、Wakisaka Yushi、Fujitaka Shinichiro、Hirayama Shusuke、Nihongi Hideaki、Hasegawa Azusa、Koizumi Masahiko、Shimizu Shinichi、Ogawa Kazuhiko、Kanai Tatsuaki
- Journal Title
  
  PLOS ONE
  
  Volume: 18 Issue: 7 Pages: e0288545-e0288545
- DOI
  10.1371/journal.pone.0288545
- Peer Reviewed / Open Access
- Data Source
  KAKENHI-PROJECT-22K07695, KAKENHI-PROJECT-21K07700
[Patent] 線量評価方法、線量評価装置、制御プログラム、および記録媒体2022
- Inventor(s)
  八木雅史、皆巳和賢、清水伸一
- Industrial Property Rights Holder
  国立大学法人大阪大学
- Industrial Property Rights Type
  特許
- Industrial Property Number
  2022-189539
- Filing Date
  2022
- Data Source
  KAKENHI-PROJECT-22K07695
[Presentation] Beam monitors for a compact medical synchrotron based ultra-high dose-rate scanned carbon-ion beam contributing to further development of FLASH irradiation2023
- Author(s)
  M Yagi,2, S Shimizu, N Hamatani, T Tsubouchi, M Takashina, T Nomura, T Miyoshi, M Umezawa, K Ogawa, and T Kanai
- Organizer
  61st Annual PTCOG Conference
- Int'l Joint Research
- Data Source
  KAKENHI-PROJECT-22K07695
[Presentation] VALIDATION OF FIELD EXPANSION TOWARD COMPACT MEDICAL SYNCHROTRON-BASED ULTRA-HIGH DOSE-RATE CARBON-ION RADIOTHERAPY2023
- Author(s)
  M. Yagi, S. Shimizu, K. Minami, N. Hamatani, T. Miyoshi, K. Fujita, K Nagata, R Hidani, T. Tsubouchi, T. Nomura, M Shimizu, Y. Kuwana, M. Umezawa, M. Takashina, Y. Okabe, T. Nishio, M. Koizumi, K. Furutani, C. Beltran, K. Ogawa, and T. Kanai
- Organizer
  FLASH Radiotherapy and Particle Therapy (FRPT) 2023
- Int'l Joint Research
- Data Source
  KAKENHI-PROJECT-22K07695
[Presentation] 超高線量率(FLASH)照射技術2023
- Author(s)
  八木雅史
- Organizer
  2023年度第2回医療放射線技術研究会
- Invited
- Data Source
  KAKENHI-PROJECT-22K07695
[Presentation] 炭素線を用いた超高線量率照射とFLASH効果2023
- Author(s)
  清水伸一、八木雅史、皆巳和賢、濵谷紀彰、坪内俊郎、三好拓人、野村拓也、豊田高士、清水柾貴、桑名良明、向吉渉、梅澤真澄、高階正彰、岡部康夫、西尾禎治、小泉雅彦、金井達明、藤元治朗、小川和彦
- Organizer
  第334回日本医学放射線学会関西地方会
- Data Source
  KAKENHI-PROJECT-22K07695
[Presentation] 医療用加速器を用いた超高線量率（FLASH）炭素線スキャニング照射システムの開発2023
- Author(s)
  八木雅史、清水伸一、皆巳和賢、濱谷紀彰、三好拓人、梅澤真澄、野村拓也、豊田高士、坪内俊郎、清水柾貴、桑名良明、高階正彰、小泉雅彦、岡部康夫、小川和彦、金井達明
- Organizer
  日本放射線腫瘍学会第36回学術大会
- Data Source
  KAKENHI-PROJECT-22K07695
[Presentation] The effect of Ultra-High Dose-Rate Carbon ion irradiation to cell invasion on breast tumor cells2023
- Author(s)
  K. Oniwa, K. Minami, M. Yagi, S. Shimizu, M. Koizumi, K. Ogawa, T. Kanai
- Organizer
  61st Annual PTCOG Conference
- Int'l Joint Research
- Data Source
  KAKENHI-PROJECT-22K07695
[Presentation] ULTRA-HIGH DOSE RATE CARBON IRRADIATION IMPACTS “EAT ME” SIGNAL2023
- Author(s)
  S. Katsuki, K. Minami, K. Ohniwa, M. Yagi, S. Shimizu, N. Hamatani, M. Takashina, K. Furutani, C. Beltran, Y. Takahashi, T. Kanai, K. Ogawa, and M. Koizumi
- Organizer
  FLASH Radiotherapy and Particle Therapy (FRPT) 2023
- Int'l Joint Research
- Data Source
  KAKENHI-PROJECT-22K07695
[Presentation] 超高線量率重粒子線照射の細胞応答2023
- Author(s)
  皆巳和賢、八木雅史、清水伸一、永田夏菜、藤田和輝、大庭歌綸、坪内俊郎、濱谷紀彰、高階正彰、金井達明、小川和彦、小泉雅彦
- Organizer
  日本放射線腫瘍学会第36回学術大会
- Data Source
  KAKENHI-PROJECT-22K07695
[Presentation] Development and basic characterization of Ion chamber for ultra-high dose rates2023
- Author(s)
  Mahoro Nakatani, Noriaki Hamatani, Masashi Yagi, Toshiro Tsubouchi, Masaaki Takashina, Shinichi Shimizu, Yoshiaki Kuwana, Masaki Shimizu, Takuya Nomura, Takuto Miyoshi, Takashi Toyoda, Tatsuaki Kanai
- Organizer
  第125回日本医学物理学会学術大会
- Data Source
  KAKENHI-PROJECT-22K07695
[Presentation] Confirmation of recombination effect on ionization chambers with ultra-high dose rate carbon ion beam2022
- Author(s)
  Noriaki Hamatani, Masashi Yagi, Toshiro Tsubouchi, Masaaki Takashina, Shinichi Shimizu, Kazumasa Minami, Masumi Umezawa, Takuya Nomura, Wataru Mukoyoshi, Takuto Miyoshi, Yasuo Okabe, Teiji Nishio, Masahiko Koizumi, Kazuhiko Ogawa, and Tatsuaki Kanai
- Organizer
  2nd Flash Radiotherapy and Particle Therapy Conference (FRPT 2022)
- Int'l Joint Research
- Data Source
  KAKENHI-PROJECT-22K07695
[Presentation] BEAM-DELIVERY TUNING OF HITACHI’S SYNCHROTRON-BASED SCANNING-TREATMENT SYSTEMS FOR PROTON/CARBON-ION ULTRA-HIGH-DOSE RATE (FLASH) IRRADIATION2022
- Author(s)
  T. Miyoshi, T. Nomura, K. Matsuda, H. Ogino, H. Iwata, T. Toshito, C. Omachi, M. Yagi, S. Shimizu, N. Hamatani, T. Tsubouchi, M. Takashina, K. Ogawa, T. Kanai, M. Umezawa
- Organizer
  2nd Flash Radiotherapy and Particle Therapy Conference (FRPT 2022)
- Int'l Joint Research
- Data Source
  KAKENHI-PROJECT-22K07695
[Presentation] Ultra-High Dose-Rate Carbon-Ion Scanning Irradiation with a Compact Type Medical Synchrotron toward FLASH Research2022
- Author(s)
  M. Yagi, N. Hamatani, T. Tsubouchi, K. Minami, M. Takashina, M. Umezawa, T. Nomura, W. Mukoyoshi, Y. Okabe, T. Nishio, M. Koizumi, S. Shimizu, T. Kanai, K. Ogawa
- Organizer
  American Society for Radiation Oncology (ASTRO) 64th Annual Meeting
- Int'l Joint Research
- Data Source
  KAKENHI-PROJECT-22K07695
[Presentation] Comparison of Cellular Damage Responses between Tumor and Normal cell lines in ultra-High Dose Rate irradiation on Carbon ion beam2022
- Author(s)
  K. Minami, M. Yagi, S. Shimizu, W. Takenaka, N. Saruwatari, S. Fukuda, K. Fujita, K. Nagata, J. Yoshida, N. Hamatani, T. Tsubouchi, M. Takashina, M. Umezawa, T. Nomura, W. Mukoyoshi, T. Miyoshi, Y. Okabe, T. Kanai, K. Ogawa, M. Koizumi
- Organizer
  2nd Flash Radiotherapy and Particle Therapy Conference (FRPT 2022)
- Int'l Joint Research
- Data Source
  KAKENHI-PROJECT-22K07695
[Presentation] 炭素線治療における照射ログデータを用いた自動3次元患者QA2022
- Author(s)
  高階正彰、八木雅史、野口裕稀、中路拓、濵谷紀彰、坪内俊郎、金井達明
- Organizer
  第18回日本粒子線治療臨床研究会
- Data Source
  KAKENHI-PROJECT-22K07770
[Presentation] THE ABILITY OF A COMPACT-TYPE MEDICAL SYNCHROTRON ON ULTRA-HIGH DOSE-RATE SCANNED CARBON-ION BEAM FOR FLASH RESEARCH2022
- Author(s)
  Masashi Yagi, Shinichi Shimizu, Kazumasa Minami, Noriaki Hamatani, Toshiro Tsubouchi, Masaaki Takashina, Masumi Umezawa, Takuya Nomura, Wataru Mukoyoshi, Takuto Miyoshi, Yasuo Okabe, Teiji Nishio, Masahiko Koizumi, Kazuhiko Ogawa, Tatsuaki Kanai
- Organizer
  2nd Flash Radiotherapy and Particle Therapy Conference (FRPT 2022)
- Int'l Joint Research
- Data Source
  KAKENHI-PROJECT-22K07695
[Presentation] Commissioning of a new treatment planning system for carbon-ion scanning beam2019
- Author(s)
  Masashi Yagi, Toshiro Tsubouchi, Noriaki Hamatani,Masaaki Takashina, Kazumasa Minami, Osamu Suzuki,Kazuhiko Ogawa and Tatsuaki Kanai
- Organizer
  The 118th Congress on Japan Society of Medical Physics
- Data Source
  KAKENHI-PROJECT-17K16437

1. 皆巳和賢 (90634593)

# of Collaborated Projects: 5 results

# of Collaborated Products: 12 results
2. 清水伸一 (50463724)

# of Collaborated Projects: 4 results

# of Collaborated Products: 0 results
3. 高階正彰 (10392010)

# of Collaborated Projects: 3 results

# of Collaborated Products: 16 results
4. 金井達明 (80161149)

# of Collaborated Projects: 2 results

# of Collaborated Products: 17 results
5. 小川和彦 (40253984)

# of Collaborated Projects: 2 results

# of Collaborated Products: 0 results
6. 玉利慶介 (30718995)

# of Collaborated Projects: 2 results

# of Collaborated Products: 0 results
7. 細貝知直 (80361533)

# of Collaborated Projects: 1 results

# of Collaborated Products: 0 results
8. 高橋豊 (40353461)

# of Collaborated Projects: 1 results

# of Collaborated Products: 0 results
9. 西尾禎治 (40415526)

# of Collaborated Projects: 1 results

# of Collaborated Products: 0 results
10. 相部則博 (50739240)

# of Collaborated Projects: 1 results

# of Collaborated Products: 0 results
11. Nam JinMin (60414132)

# of Collaborated Projects: 1 results

# of Collaborated Products: 0 results
12. 林和彦 (70718981)

# of Collaborated Projects: 1 results

# of Collaborated Products: 0 results

Yagi Masashi 八木 雅史

八木 雅史 ヤギ マサシ

Research Projects

Research Products

Co-Researchers

Development of a Novel Therapeutic Strategy for Refractory Tumors Using FLASH Radiotherapy with Three Distinct Radiation Beam Modalities

Principal Investigator

Project Period (FY)

Research Category

Review Section

Research Institution

Development of a ultra high dose rate (uHDR) particle beam irradiation system for applying FLASH effects to living organisms

Principal Investigator

Project Period (FY)

Research Category

Review Section

Research Institution

Development of a model to predict the occurrence of normal tissue damage caused by heavy particle radiation therapy

Principal Investigator

Project Period (FY)

Research Category

Review Section

Research Institution

Development of FLASH particle therapy using a synchrotronPrincipal Investigator

Principal Investigator

Project Period (FY)

Research Category

Review Section

Research Institution

The FLASH effect in carbon-ion beamPrincipal Investigator

Principal Investigator

Project Period (FY)

Research Category

Review Section

Research Institution

炭素線治療における3次元患者線量品質保証

Principal Investigator

Project Period (FY)

Research Category

Review Section

Research Institution

Study on tissue specific biological effectiveness of carbon-ion beamPrincipal Investigator

Principal Investigator

Project Period (FY)

Research Category

Research Field

Research Institution

Perfusion dual energy CT: Development of automatic contouring system with biological changePrincipal Investigator

Principal Investigator

Project Period (FY)

Research Category

Research Field

Research Institution

[Journal Article] Ultra-high Dose-rate Carbon-ion Scanning Beam With a Compact Medical Synchrotron Contributing to Further Development of FLASH Irradiation2023

Author(s)

Journal Title

DOI

Data Source

[Journal Article] Current status and challenges of studies on FLASH effect using ultra-high dose rate irradiation with particle beam therapy systems2023

Author(s)

Journal Title

Data Source

[Journal Article] Validation of robust radiobiological optimization algorithms based on the mixed beam model for intensity-modulated carbon-ion therapy2023

Author(s)

Journal Title

DOI

Data Source

[Patent] 線量評価方法、線量評価装置、制御プログラム、および記録媒体2022

Inventor(s)

Industrial Property Rights Holder

Industrial Property Rights Type

Industrial Property Number

Filing Date

Data Source

[Presentation] Beam monitors for a compact medical synchrotron based ultra-high dose-rate scanned carbon-ion beam contributing to further development of FLASH irradiation2023

Author(s)

Organizer

Data Source

[Presentation] VALIDATION OF FIELD EXPANSION TOWARD COMPACT MEDICAL SYNCHROTRON-BASED ULTRA-HIGH DOSE-RATE CARBON-ION RADIOTHERAPY2023

Author(s)

Yagi Masashi 八木雅史

八木雅史ヤギマサシ