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MRI-Guided Injection Curing Treatment of Micro Lung Cancer with Ethanol-Releasing Thermogenic Polymer

Research Project

Project/Area Number 20K20385
Project/Area Number (Other) 18H05377 (2018-2019)
Research Category

Grant-in-Aid for Challenging Research (Pioneering)

Allocation TypeMulti-year Fund (2020)
Single-year Grants (2018-2019)
Review Section Medium-sized Section 50:Oncology and related fields
Research InstitutionKyoto Prefectural University of Medicine

Principal Investigator

Shimada Junichi  京都府立医科大学, 医学部, 教授 (60315942)

Project Period (FY) 2018-06-29 – 2022-03-31
Project Status Completed (Fiscal Year 2021)
Budget Amount *help
¥25,090,000 (Direct Cost: ¥19,300,000、Indirect Cost: ¥5,790,000)
Fiscal Year 2020: ¥5,070,000 (Direct Cost: ¥3,900,000、Indirect Cost: ¥1,170,000)
Fiscal Year 2019: ¥4,290,000 (Direct Cost: ¥3,300,000、Indirect Cost: ¥990,000)
Fiscal Year 2018: ¥15,730,000 (Direct Cost: ¥12,100,000、Indirect Cost: ¥3,630,000)
Keywordsエタノール放出ポリマー / 固形癌治療剤 / 局所硬化療法 / 超高磁場MRI / 非磁性針 / 高マンガンステンレス鋼 / 遷移性金属触媒 / 2液混合ノズル / エタノール / 発熱ポリマー / MRI装置 / 非磁性材料 / 肺癌 / 硬化樹脂 / 重合
Outline of Research at the Start

体温レベルの肺胞レベルでエタノール放出と発熱を生じる2液混合の硬化樹脂の固形癌治療剤を開発する2液の混合を最適化し再現性よく混合できる樹脂混合ノズルを開発する。生体に超高磁場MRI環境下で使用できる注入用の生検針を開発する。Feを含むヘモグロビン含有の血液が循環している恒常体温環境での動物実験で、開発樹脂系の注入の可能性と注入後の周辺組織の反応の病理像の確認のため、動物実験を行う。

Outline of Final Research Achievements

A Japanese patent was obtained for a methodology to control early stage microcancer by inducing cellular damage to the microcancer with ethanol and heat emitted during polymerization of an "ethanol-releasing exothermic polymer", which is then solidified with a resin to physically isolate and control the microcancer locally. For two solid cancer treatment solutions that release ethanol during polymerization, a mixing nozzle was developed from a mold based on a supercomputer simulation. We were able to develop a combination of resins with a high reaction temperature of 70°C and a high curing speed. The hardened resin was injected directly under the pleura of a pig lung using the mixing nozzle, and a hardened nest with a diameter of about 1 cm was successfully formed. We were able to manufacture an injection device from a mold that enables stable injection.

Academic Significance and Societal Importance of the Research Achievements

初期の微小癌を「エタノール放出発熱ポリマー」の重合時に出るエタノールと熱で微小がんに細胞障害を惹起し、樹脂でカチカチに固めて局所に物理的に孤立せしめ制御する方法論については日本国特許6447858を取得し、米国、中国の特許権取得に向け係争中であり、成立すれば、小さながんを体内で固めて殺して放置するという治療方法の考え方に道を拓く点学で挑戦的学術的意義がある。「外来のMRI手術室で、小さく見つかった腫瘍を的確に固めて動けなくして、局所治療して、日帰りする。」目標への基礎は揃っており、高齢者など保存的な治療が注目されるときに、本研究の基礎に社会的意義がある。

Report

(5 results)
  • 2021 Annual Research Report   Final Research Report ( PDF )
  • 2020 Research-status Report
  • 2019 Annual Research Report
  • 2018 Annual Research Report
  • Research Products

    (11 results)

All 2022 2021 2020 2019

All Journal Article (3 results) (of which Peer Reviewed: 3 results) Presentation (6 results) (of which Int'l Joint Research: 4 results,  Invited: 1 results) Patent(Industrial Property Rights) (2 results)

  • [Journal Article] 同時多発すりガラス状陰影病変に対する治療戦略ー経皮的CTガイド下リピオドールマーキングを用いた肺切除術2021

    • Author(s)
      伊藤 和弘, 島田 順一, 寺内 邦彦, 下村 雅律, 西村 元宏, 岩崎 靖, 加藤 大志朗, 柳田 正志, 上島 康, 鈴木 啓文, 井上 匡美
    • Journal Title

      胸部外科

      Volume: 74 Pages: 4-8

    • Related Report
      2021 Annual Research Report 2019 Annual Research Report
    • Peer Reviewed
  • [Journal Article] 同時多発すりガラス状陰影病変に対する治療戦略ー経皮的CTガイド下リピオドールマーキングを用いた肺 切除術2021

    • Author(s)
      伊藤和弘、島田順一、寺内邦彦、下村雅律、西村元宏、岩崎靖、加藤大志朗、柳田正志、上島康生、鈴木 啓文、井上匡美
    • Journal Title

      胸部外科

      Volume: 74 Pages: 4-8

    • Related Report
      2020 Research-status Report
    • Peer Reviewed
  • [Journal Article] Safety and reliability of computed tomography-guided lipiodol marking for undetectable pulmonary lesions2020

    • Author(s)
      Kazuhiro Ito, Junichi Shimada, Masanori Shimomura, Kunihiko Terauchi, Motohiro Nishimura, Masashi Yanada, Yasushi Iwasaki, Yasuo Ueshima, Daishiro Kato, Hirofumi Suzuki, Masayoshi Inoue
    • Journal Title

      Interactive CardioVascular and Thoracic Surgery

      Volume: 30 Issue: 4 Pages: 546-551

    • DOI

      10.1093/icvts/ivz304

    • Related Report
      2020 Research-status Report 2019 Annual Research Report
    • Peer Reviewed
  • [Presentation] Nm17 Causes Lower Metal Artifacts Than Conventional Stainless Steels On 7t Magnetic Resonance Images2022

    • Author(s)
      Sotozono Yasuyuki Ikoma Kazuya, Shimada Junichi
    • Organizer
      Orthopaedic Research Society 2022 ANNUAL MEETING
    • Related Report
      2021 Annual Research Report
    • Int'l Joint Research
  • [Presentation] エタノール放出発熱ポリマーによる微小肺癌のMRIガイド下注入硬化治療法の開発 (非磁性材料の医療応用)2020

    • Author(s)
      島田順一
    • Organizer
      次世代医療システム産業化フォーラム2020年度 第5回例会
    • Related Report
      2020 Research-status Report 2019 Annual Research Report
    • Invited
  • [Presentation] エタノール放出発熱ポリマーによる微小肺癌のMRIガイド下注入硬化治療法の開発2020

    • Author(s)
      島田順一
    • Organizer
      第37回日本呼吸器外科学会
    • Related Report
      2020 Research-status Report 2019 Annual Research Report
  • [Presentation] Ethanol Release Heat-Generating Polymer for Focal Therapy of Small Lung Cancers Under Open MRI2019

    • Author(s)
      Shimada Junichi、 Mori Kensaku
    • Organizer
      World Conference on Lung Cancer 2019
    • Related Report
      2018 Annual Research Report
    • Int'l Joint Research
  • [Presentation] ETHANOL RELEASE HEAT-GENERATING POLYMER FOR FOCAL THERAPY OF SMALL LUNG CANCERS2019

    • Author(s)
      Shimada Junichi、 Mori Kensaku
    • Organizer
      27th ESTS Dublin
    • Related Report
      2018 Annual Research Report
    • Int'l Joint Research
  • [Presentation] Focal Therapy for Small Lung Cancer with Ethanol Release Heat-Generating Polymer under MRI guidance2019

    • Author(s)
      Shimada Junichi, Mori Kensaku, Masamune Ken
    • Organizer
      Chest BKK Thai
    • Related Report
      2018 Annual Research Report
    • Int'l Joint Research
  • [Patent(Industrial Property Rights)] 医療機器2020

    • Inventor(s)
      島田順一
    • Industrial Property Rights Holder
      YANCHERS株式会社
    • Industrial Property Rights Type
      特許
    • Filing Date
      2020
    • Acquisition Date
      2021
    • Related Report
      2021 Annual Research Report
  • [Patent(Industrial Property Rights)] 医療機器2019

    • Inventor(s)
      島田順一
    • Industrial Property Rights Holder
      YANCHERS株式会社
    • Industrial Property Rights Type
      特許
    • Filing Date
      2019
    • Related Report
      2019 Annual Research Report

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Published: 2018-07-20   Modified: 2024-03-26  

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