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Development of new methods to predict occurrence of radiation pneumonitis

Research Project

Project/Area Number 15K19798
Research Category

Grant-in-Aid for Young Scientists (B)

Allocation TypeMulti-year Fund
Research Field Radiation science
Research InstitutionKagawa University

Principal Investigator

Takahashi Shigeo  香川大学, 医学部附属病院, 助教 (90635773)

Project Period (FY) 2015-04-01 – 2019-03-31
Project Status Completed (Fiscal Year 2018)
Budget Amount *help
¥3,770,000 (Direct Cost: ¥2,900,000、Indirect Cost: ¥870,000)
Fiscal Year 2018: ¥1,300,000 (Direct Cost: ¥1,000,000、Indirect Cost: ¥300,000)
Fiscal Year 2017: ¥910,000 (Direct Cost: ¥700,000、Indirect Cost: ¥210,000)
Fiscal Year 2016: ¥780,000 (Direct Cost: ¥600,000、Indirect Cost: ¥180,000)
Fiscal Year 2015: ¥780,000 (Direct Cost: ¥600,000、Indirect Cost: ¥180,000)
Keywords放射線肺臓炎 / 呼気凝縮液
Outline of Final Research Achievements

I performed a prospective clinical study entitled ‘Exhaled breath condensate (EBC) collection in normal healthy volunteers’. An adequate amount of EBC was collected from all subjects. Changes in vital signs were little among the collection in all subjects. Therefore, EBC collection in my procedures seems to be feasible and safe.
Then, a prospective observational study entitled ‘Relationship between radiation pneumonitis and TGF-β1 concentration in EBC’ is under way. In an interim analysis, it seems that (1) EBC collection in my procedures may be feasible and safe in patients with lung cancer, (2) total protein and TGF-β1 concentration in EBC may increase by radiation therapy, and (3) a high value of TGF-β1 concentration in EBC may relate to occurrence of Grade 2 radiation pneumonitis.

Academic Significance and Societal Importance of the Research Achievements

直接的に肺や気道のTGF-β1を測定できる検体として気管支肺胞洗浄液があるが、放射線肺臓炎に関連する臨床研究の近年の報告はなく、採取の侵襲性の高さが一因ではないかと推察される。一方、しんどい思いをせずに気道の炎症物質を測定できる検体として呼気凝縮液があるが、放射線肺臓炎に関連する研究で呼気凝縮液が用いられた報告はない。今回はじめて、放射線治療によって呼気凝縮液内の総タンパク質濃度やTGF-β1濃度が上昇する可能性、呼気凝縮液内のTGF-β1濃度高値とGrade 2の放射線肺臓炎が関連している可能性が示唆されたため、本研究の成果は新たな知見として意義があると考える。

Report

(5 results)
  • 2018 Annual Research Report   Final Research Report ( PDF )
  • 2017 Research-status Report
  • 2016 Research-status Report
  • 2015 Research-status Report
  • Research Products

    (11 results)

All 2019 2018 2017 2016

All Journal Article (4 results) (of which Int'l Joint Research: 1 results,  Peer Reviewed: 4 results,  Open Access: 3 results) Presentation (7 results) (of which Int'l Joint Research: 4 results)

  • [Journal Article] Differences in gross tumor volumes for pancreatic cancer: A comparison of ungated positron emission tomography and contrast-enhanced four-dimensional computed tomography.2019

    • Author(s)
      Takahashi S, Anada M, Kinoshita T, Nishide T, Shibata T
    • Journal Title

      Jpn J Radiol.

      Volume: 37 Issue: 4 Pages: 336-340

    • DOI

      10.1007/s11604-019-00812-8

    • NAID

      50013208195

    • Related Report
      2018 Annual Research Report
    • Peer Reviewed / Open Access
  • [Journal Article] Respiratory motion of lymph node stations in pancreatic cancer: Analyses using contrast-enhanced four-dimensional computed tomography2018

    • Author(s)
      Takahashi Shigeo、Anada Masahide、Kinoshita Toshifumi、Shibata Toru
    • Journal Title

      Radiotherapy and Oncology

      Volume: 128 Issue: 3 Pages: 569-574

    • DOI

      10.1016/j.radonc.2018.05.007

    • Related Report
      2018 Annual Research Report
    • Peer Reviewed / Open Access
  • [Journal Article] Definitive concurrent chemoradiotherapy in a patient with stage IV non-small cell lung cancer due to cervical lymph node metastases2018

    • Author(s)
      Takahashi Shigeo、Tarumi Shintaro、Nakano Jun、Fujiwara Atsushi、Anada Masahide、Kinoshita Toshifumi、Go Tetsuhiko、Yokomise Hiroyasu、Shibata Toru
    • Journal Title

      International Cancer Conference Journal

      Volume: 7 Issue: 4 Pages: 131-133

    • DOI

      10.1007/s13691-018-0335-0

    • Related Report
      2018 Annual Research Report
    • Peer Reviewed / Open Access
  • [Journal Article] Relationship between dose-volume parameters and pulmonary complications after neoadjuvant chemoradiotherapy followed by surgery for lung cancer.2016

    • Author(s)
      Shigeo Takahashi; Tetsuhiko Go; Yoshitaka Kasai; Hiroyasu Yokomise; Toru Shibata
    • Journal Title

      Strahlenther Onkol.

      Volume: 192 Issue: 9 Pages: 658-67

    • DOI

      10.1007/s00066-016-1021-9

    • Related Report
      2016 Research-status Report
    • Peer Reviewed / Int'l Joint Research
  • [Presentation] Correlation of Tumor Volume Reduction During Neoadjuvant Chemoradiotherapy with Pathological Complete Response of Lung Cancer2018

    • Author(s)
      S. Takahashi, T. Go, T. Nishide, M. Anada, T. Kinoshita, H. Yokomise, T. Shibata
    • Organizer
      19th World Conference on Lung Cancer of the International Association for the Study of Lung Cancer
    • Related Report
      2018 Annual Research Report
    • Int'l Joint Research
  • [Presentation] Visual feedback法を用いた呼吸停止時の標的位置再現性に関する検討2018

    • Author(s)
      高橋重雄, 續木将人, 片山博貴, 西出崇将, 穴田雅英, 木下敏史, 柴田徹
    • Organizer
      日本放射線腫瘍学会 第31回学術大会
    • Related Report
      2018 Annual Research Report
  • [Presentation] Feasibility of Hippocampal Dose-volume Parameters Associated with Memory Decline in Volumetric Modulated Arc Therapy for Supratentorial Tumors2018

    • Author(s)
      S. Takahashi, T. Nishide, M. Anada, T. Kinoshita, T. Shibata
    • Organizer
      American Society for Radiation Oncology 60th Annual Meeting
    • Related Report
      2018 Annual Research Report
    • Int'l Joint Research
  • [Presentation] 非小細胞肺癌に対する術前化学放射線療法中の腫瘍体積縮小と病理学的完全奏功に関する検討2018

    • Author(s)
      高橋 重雄, 呉哲彦, 横見瀬 裕保, 柴田徹
    • Organizer
      第59回日本肺癌学会学術集会
    • Related Report
      2018 Annual Research Report
  • [Presentation] Radiotherapy for solitary pulmonary nodules after resection of lung cancer: A comparison between stereotactic body radiotherapy and conventionally fractionated radiotherapy2017

    • Author(s)
      Shigeo Takahashi, Tetsuhiko Go, Toshifumi Kinoshita, Hiroyasu Yokomise, and Toru Shibata
    • Organizer
      第76回日本医学放射線学会総会
    • Related Report
      2017 Research-status Report
  • [Presentation] Dosimetric comparison between anisotropic analytical algorithm and Acuros XB in stereotactic body radiotherapy for lung tumors2017

    • Author(s)
      Shigeo Takahashi, Toshifumi Kinoshita, and Toru Shibata
    • Organizer
      5th Japan-Taiwan Radiation Oncology Symposium
    • Related Report
      2017 Research-status Report
    • Int'l Joint Research
  • [Presentation] Comparison between Stereotactic and Conventional Radiotherapy for Solitary Lung Tumors after Resection of Lung Cancer2017

    • Author(s)
      Shigeo Takahashi, Tetsuhiko Go, Toshifumi Kinoshita, Hiroyasu Yokomise, and Toru Shibata
    • Organizer
      18th World Conference on Lung Cancer of the International Association for the Study of Lung Cancer
    • Related Report
      2017 Research-status Report
    • Int'l Joint Research

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Published: 2015-04-16   Modified: 2020-03-30  

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