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ct-DNAと剖検検体を用いた膵癌化学療法中に生じる3次元的遺伝子変化の解明

Research Project

Project/Area Number 21K07946
Research Category

Grant-in-Aid for Scientific Research (C)

Allocation TypeMulti-year Fund
Section一般
Review Section Basic Section 53010:Gastroenterology-related
Research InstitutionYokohama City University

Principal Investigator

杉森 一哉  横浜市立大学, 附属市民総合医療センター, 講師 (20448666)

Co-Investigator(Kenkyū-buntansha) 杉森 慎  横浜市立大学, 附属市民総合医療センター, 助教 (20876891)
前田 愼  横浜市立大学, 医学研究科, 教授 (40415956)
Project Period (FY) 2021-04-01 – 2025-03-31
Project Status Granted (Fiscal Year 2022)
Budget Amount *help
¥4,030,000 (Direct Cost: ¥3,100,000、Indirect Cost: ¥930,000)
Fiscal Year 2024: ¥130,000 (Direct Cost: ¥100,000、Indirect Cost: ¥30,000)
Fiscal Year 2023: ¥1,560,000 (Direct Cost: ¥1,200,000、Indirect Cost: ¥360,000)
Fiscal Year 2022: ¥910,000 (Direct Cost: ¥700,000、Indirect Cost: ¥210,000)
Fiscal Year 2021: ¥1,430,000 (Direct Cost: ¥1,100,000、Indirect Cost: ¥330,000)
Keywords膵癌 / 化学療法 / 血中遊離遺伝子 / バイオマーカー / 遺伝子解析 / 薬剤抵抗性 / ゲノム解析 / メチル化 / 薬剤耐性
Outline of Research at the Start

膵癌の大多数はDriver変異としてKRAS変異(頻度約91%)を有し,比較的均一な体細胞変異を有する癌種であると言える.しかしながら,患者毎で化学療法に対する薬剤感受性は大きく異なるとともに,化学療法が不応となるターニングポイントの変化は劇的で,その耐性化機序の解明と検出が極めて重要であると考える.薬剤耐性化研究が困難を極める最大の要因は,化学療法後の腫瘍組織解析を紐付けした検討が不足してきた点が挙げられる.本研究課題では,ct-DNA及び剖検検体を用いて膵癌化学療法中に生じる遺伝子変化を“3次元的”に解明し,治療効果予測マーカーの同定,及び,薬剤耐性化機序の解明を試みる.

Outline of Annual Research Achievements

膵癌は,解剖学的な複雑さも相まって診断時には手術適応のない進行例であるケースが数多く見受けられる.進行膵癌に対してFOLFIRNOX (FFX)療法や Gemcitabine+nab-Paclitaxel (GnP)療法等の化学療法レジメンが開発され,一定の成果を上げつつあるが,その生存期間中央値は7-11ヵ月程度で,未だ極めて 予後不良な難治癌である.これまでに大規模な網羅的遺伝子解析の結果,膵癌の大多数はDriver変異としてKRAS変異(頻度約91%)を有し,その体細胞変異の背 景は比較的均一な癌種であると言える.しかしながら,患者毎で化学療法に対する薬剤感受性は大きく異なるとともに,化学療法が不応となるターニングポイン トの変化は劇的であり,その耐性化機序の解明と検出が極めて重要であると考える.薬剤耐性化研究が困難を極める最大の要因は,化学療法後の腫瘍組織解析を 紐付けした検討が不足してきた点が挙げられる. 本研究課題では,膵癌化学療法中に生じる遺伝子変化を“3次元的”に解明し,治療効果予測マーカーの同定,及び,薬剤耐性化機序の解明を試みることを目的とする.
2022年度は,症例リクルート及び検体の収集を継続しつつ,2021年度にセットアップを行なった腫瘍由来血中遊離遺伝子 (circulating tumor DNA: ct-DNA)に対するdigital PCRでの定量的KRAS変異のモニタリング体制を活用し,個々の症例の解析を行なった.現在,集計・検討中であるが,KRAS変異の検出頻度値の,バイオマーカー能について検討を行っている.

Current Status of Research Progress
Current Status of Research Progress

3: Progress in research has been slightly delayed.

Reason

COVID-19感染症蔓延の影響もあり,症例リクルートや解析業務がやや停滞している.

Strategy for Future Research Activity

環境・体制は確立しており,引き続き,症例リクルートを継続しつつ,解析・検討を集積していく.

Report

(2 results)
  • 2022 Research-status Report
  • 2021 Research-status Report
  • Research Products

    (38 results)

All 2023 2022 2021 2020

All Journal Article (17 results) (of which Peer Reviewed: 14 results,  Open Access: 3 results) Presentation (21 results) (of which Int'l Joint Research: 3 results)

  • [Journal Article] Adjuvant S-1 compared with observation in resected biliary tract cancer (JCOG1202, ASCOT): a multicentre, open-label, randomised, controlled, phase 3 trial2023

    • Author(s)
      Nakachi Kohei、Ikeda Masafumi、Konishi Masaru, et al.
    • Journal Title

      The Lancet

      Volume: 401 Issue: 10372 Pages: 195-203

    • DOI

      10.1016/s0140-6736(22)02038-4

    • Related Report
      2022 Research-status Report
  • [Journal Article] New image-enhanced cholangioscopy for the diagnosis of cholangiocarcinoma2022

    • Author(s)
      Ishii Tomohiro、Kaneko Takashi、Murakami Ayumi、Ueda Michio、Sugimori Kazuya、Kawana Ichiro、Maeda Shin
    • Journal Title

      Endoscopy

      Volume: 55 Issue: S 01 Pages: E139-E140

    • DOI

      10.1055/a-1956-0967

    • Related Report
      2022 Research-status Report
  • [Journal Article] Usefulness of the two-devices-in-one-channel technique for difficult bile duct intubation in patients without periampullary diverticulum2022

    • Author(s)
      Kaneko Takashi、Sugimori Kazuya、Endo Kazuki、Nishimura Masaki、Tozuka Yuichiro、Miwa Haruo、Maeda Shin
    • Journal Title

      Endoscopy

      Volume: 55 Issue: S 01 Pages: E76-E77

    • DOI

      10.1055/a-1930-6258

    • Related Report
      2022 Research-status Report
  • [Journal Article] Multiple-line Chemotherapy for a Patient with Unresectable Mucinous Cystic Neoplasm of the Pancreas2021

    • Author(s)
      Miwa Haruo、Sugimori Kazuya、Ishii Tomohiro、Funaoka Akihiro、Tsuchiya Hiromi、Suzuki Yoshimasa、Sugimori Makoto、Nishimura Masaki、Tozuka Yuichiro、Komiyama Satoshi、Sato Takeshi、Kaneko Takashi、Numata Kazushi、Maeda Shin
    • Journal Title

      Internal Medicine

      Volume: 60 Issue: 16 Pages: 2607-2612

    • DOI

      10.2169/internalmedicine.6755-20

    • NAID

      130008074654

    • ISSN
      0918-2918, 1349-7235
    • Year and Date
      2021-08-15
    • Related Report
      2021 Research-status Report
    • Peer Reviewed
  • [Journal Article] Vascular evaluation using transabdominal ultrasound for gallbladder polyps2021

    • Author(s)
      Miwa Haruo、Numata Kazushi、Sugimori Kazuya、Kaneko Takashi、Maeda Shin
    • Journal Title

      Journal of Medical Ultrasonics

      Volume: 48 Issue: 2 Pages: 159-173

    • DOI

      10.1007/s10396-020-01008-8

    • Related Report
      2021 Research-status Report
    • Peer Reviewed
  • [Journal Article] Biliary stent removal through a transgastric fistula created with endoscopic ultrasound-guided hepaticogastrostomy2021

    • Author(s)
      Miwa Haruo、Sugimori Kazuya、Ozeki Yuichiro、Sanga Katsuyuki、Hirotani Akane、Tezuka Shun、Goda Yoshihiro、Numata Kazushi、Maeda Shin
    • Journal Title

      Clinical Journal of Gastroenterology

      Volume: 14 Issue: 1 Pages: 304-308

    • DOI

      10.1007/s12328-020-01184-7

    • Related Report
      2021 Research-status Report
    • Peer Reviewed
  • [Journal Article] afe removal of lumen-apposing metal stent using argon plasma coagulation after EUS-guided cyst gastrostomy (with video).2021

    • Author(s)
      Haruo Miwa、Kazuya Sugimori、Hiromi Tsuchiya、Masaki Nishimura、Yuichiro Tozuka、Takashi Kaneko、Shin Maeda
    • Journal Title

      Endoscopic Ultrasound

      Volume: 10 Issue: 4 Pages: 309-310

    • DOI

      10.4103/eus-d-20-00211

    • Related Report
      2021 Research-status Report
    • Peer Reviewed
  • [Journal Article] A prospective multicenter study of endoscopic ultrasound-guided fine needle biopsy using a 22-gauge Franseen needle for pancreatic solid lesions2021

    • Author(s)
      Ishigaki Kazunaga、Nakai Yousuke、Sasahira Naoki、Sugimori Kazuya、Kitamura Katsuya、Iwai Tomohisa、Matsubara Saburo、Shimura Kenji、Itoi Takao、Ryozawa Shomei、Ushio Jun、Doi Shinpei、Imazu Hiroo、Maetani Iruru、Isayama Hiroyuki、Acquire Study Group
    • Journal Title

      Journal of Gastroenterology and Hepatology

      Volume: 36 Issue: 10 Pages: 2754

    • DOI

      10.1111/jgh.15534

    • URL

      https://pure.teikyo.jp/en/publications/7e733d40-2e34-4309-aa71-98d750f66d48

    • Related Report
      2021 Research-status Report
    • Peer Reviewed
  • [Journal Article] Hemoperitoneum due to a ruptured right gastroepiploic artery following non-interventional endoscopic ultrasonography: a case report2021

    • Author(s)
      Ozeki Yuichiro、Miwa Haruo、Sugimori Kazuya、Goda Yoshihiro、Hirotani Akane、Sanga Katsuyuki、Tezuka Shun、Numata Kazushi、Sekikawa Zenjiro、Maeda Shin
    • Journal Title

      Clinical Journal of Gastroenterology

      Volume: 14 Issue: 5 Pages: 1371-1375

    • DOI

      10.1007/s12328-021-01466-8

    • Related Report
      2021 Research-status Report
    • Peer Reviewed
  • [Journal Article] Comparison of gemcitabine-based chemotherapies for advanced biliary tract cancers by renal function: an exploratory analysis of JCOG11132021

    • Author(s)
      Hepatobiliary and Pancreatic Oncology Group (HBPOG) of Japan Clinical Oncology Group (JCOG)
    • Journal Title

      Scientific Reports

      Volume: 11 Issue: 1

    • DOI

      10.1038/s41598-021-92166-3

    • Related Report
      2021 Research-status Report
    • Peer Reviewed
  • [Journal Article] A Prospective Multicenter Study of “Inside Stents” for Biliary Stricture: Multicenter Evolving Inside Stent Registry (MEISteR)2021

    • Author(s)
      Kogure Hirofumi、Kato Hironari、Nakai Yousuke、Isayama Hiroyuki, et al.
    • Journal Title

      Journal of Clinical Medicine

      Volume: 10 Issue: 13 Pages: 2936-2936

    • DOI

      10.3390/jcm10132936

    • Related Report
      2021 Research-status Report
    • Peer Reviewed
  • [Journal Article] Trial protocol: a randomised controlled trial to verify the non-inferiority of a partially covered self-expandable metal stent to an uncovered self-expandable metal stent for biliary drainage during neoadjuvant therapy in patients with pancreatic cancer with obstructive jaundice (PUN-NAC trial)2021

    • Author(s)
      Kuwatani Masaki、Kawakubo Kazumichi、Sugimori Kazuya、Inoue Hiroyuki、Kamada Hideki、Ishiwatari Hirotoshi、Kato Shin、Iwashita Takuji、Yoshida Makoto、Hashimoto Shinichi、Itonaga Masahiro、Mizukami Yusuke、Nomura Yusuke、Katanuma Akio、Sakamoto Naoya
    • Journal Title

      BMJ Open

      Volume: 11 Issue: 7 Pages: e045698-e045698

    • DOI

      10.1136/bmjopen-2020-045698

    • Related Report
      2021 Research-status Report
    • Peer Reviewed / Open Access
  • [Journal Article] Impact of Renal Function on S-1 + Radiotherapy for Locally Advanced Pancreatic Cancer: An Integrated Analysis of Data From 2 Clinical Trials2021

    • Author(s)
      Kobayashi S, Ueno M, Ogawa G, Fukutomi A, Ikeda M, Okusaka T, Sato T, Ito Y, Kadota T, Ioka T, Sugimori K, Sata N, Nakamori S, Shimizu K, Mizuno N, Ishii H, Furuse J.
    • Journal Title

      Pancreas

      Volume: 50 Issue: 7 Pages: 965-971

    • DOI

      10.1097/mpa.0000000000001879

    • Related Report
      2021 Research-status Report
    • Peer Reviewed
  • [Journal Article] Salvage technique for endoscopic stent removal using a thin-tipped balloon catheter during endoscopic ultrasound-guided hepaticoduodenostomy.2021

    • Author(s)
      Tomohiro Ishii、Takashi Kaneko、Yuichi Suzuki、Masaki Nishimura、Kazuya Sugimori、Ichiro Kawana、Shin Maeda
    • Journal Title

      Endoscopy

      Volume: - Issue: 10 Pages: E566-E567

    • DOI

      10.1055/a-1694-3617

    • Related Report
      2021 Research-status Report
    • Peer Reviewed / Open Access
  • [Journal Article] Novel clip device for prevention of bleeding after endoscopic papillectomy2021

    • Author(s)
      Miwa Haruo、Sugimori Kazuya、Tsuchiya Hiromi、Sugimori Makoto、Nishimura Masaki、Tozuka Yuichiro、Komiyama Satoshi、Sato Takeshi、Kaneko Takashi、Numata Kazushi、Maeda Shin
    • Journal Title

      DEN Open

      Volume: 2 Issue: 1

    • DOI

      10.1002/deo2.51

    • Related Report
      2021 Research-status Report
    • Peer Reviewed / Open Access
  • [Journal Article] 非切除悪性肝門部胆管閉塞に対するinside stentの有用性.2021

    • Author(s)
      金子卓,杉森一哉,遠藤和樹,土屋洋省,西村正基,三箇克幸,戸塚雄一朗,佐藤健,入江邦泰,三輪治生,沼田和司,前田愼
    • Journal Title

      胆と膵

      Volume: 42 Pages: 1433-1440

    • Related Report
      2021 Research-status Report
    • Peer Reviewed
  • [Journal Article] Randomized phase II study of chemoradiotherapy with versus without induction chemotherapy for locally advanced pancreatic cancer: Japan Clinical Oncology Group trial, JCOG11062020

    • Author(s)
      Ioka, T., J. Furuse, A. Fukutomi, J. Mizusawa, S. Nakamura, N. Hiraoka, Y. Ito, H. Katayama, M. Ueno, M. Ikeda, K. Sugimori, N. Okano, K. Shimizu, H. Yanagimoto, T. Okusaka, M. Ozaka, A. Todaka, S. Nakamori, K. Tobimatsu, N. Sata, Y. Kawashima, A. Hosokawa, T. Yamaguchi, H. Miyakawa, H. Hara, N. Mizuno and H. Ishii
    • Journal Title

      Japanese Journal of Clinical Oncology

      Volume: 51 Issue: 2 Pages: 235-243

    • DOI

      10.1093/jjco/hyaa198

    • Related Report
      2021 Research-status Report
    • Peer Reviewed
  • [Presentation] The influence of major hepatectomy on gemcitabine-based chemotherapy for advanced biliary tract cancer: An exploratory subset analysis of JCOG11132022

    • Author(s)
      Okuno T, Morizane C, Okusaka T, Mizusawa J, Kataoka T, Ikeda M, Ozaka M, Sugimori K, Todaka A, Shimizu S, Mizuno N, Sekimoto M, Sano K, Tobimatsu K, Katanuma A, Gotoh K, Yamaguchi H, Ishii H, Ueno M, Furuse J
    • Organizer
      2022 ASCO Gastrointestinal Cancers Symposium
    • Related Report
      2022 Research-status Report
    • Int'l Joint Research
  • [Presentation] Vascular evaluation using “Detective Flow Imaging” for EUS in pancreatobiliary disease2022

    • Author(s)
      Haruo Miwa, Kazuya Sugimori, Shin Maeda
    • Organizer
      103rd JGES Annual Meeting (ENDO 2022)
    • Related Report
      2022 Research-status Report
    • Int'l Joint Research
  • [Presentation] Utility of EUS-HGS for biliary obstruction with pancreatic cancer2022

    • Author(s)
      Haruo Miwa, Kaszuya Sugimori, Yuto Matsuoka, Kazuki Endo, Masaki Nishimura, Yuichiro Tozuka, Takashi Kaneko, Shin Maeda
    • Organizer
      53rd Japan pancreatic association annual meeting/ 26th International pancreatic association annual meeting
    • Related Report
      2022 Research-status Report
    • Int'l Joint Research
  • [Presentation] 膵切除術後の早期合併症に対する内視鏡的治療の実際.2022

    • Author(s)
      金子卓,杉森一哉,加藤由子,角田翔太郎,松岡裕人,遠藤和樹,土屋洋省,杉森慎,西村正基,戸塚雄一朗,小宮山哲史,三輪治生,菊地祐太郎,熊本宜文,武田和永,沼田和司,前田愼
    • Organizer
      第103回日本消化器内視鏡学会総会
    • Related Report
      2022 Research-status Report
  • [Presentation] 当院での切除不能胆道癌に対するがんゲノム医療の実践.2022

    • Author(s)
      土屋 洋省,杉森 一哉,松岡 裕人,遠藤 和樹,杉森 慎,西村 正基,戸塚 雄一朗,小宮山 哲史,三輪 治生,金子 卓,菊地 祐太郎,熊本 宜文,武田 和永,沼田 和司,國崎 主税,前田 愼
    • Organizer
      JDDW2022
    • Related Report
      2022 Research-status Report
  • [Presentation] 75歳以上の高齢者に対するInterventional EUSの安全性の検討.2022

    • Author(s)
      松岡 裕人,杉森 一哉,遠藤 和樹,土屋 洋省,杉森 慎,西村 正基,戸塚 雄一朗,小宮山 哲史,三輪 治夫,金子 卓,沼田 和司,前田 愼
    • Organizer
      JDDW2022
    • Related Report
      2022 Research-status Report
  • [Presentation] 新規PIK3CA変異型十二指腸腫瘍マウスモデルの創出とPI3K阻害薬の検討.2022

    • Author(s)
      杉森 慎,前田 愼,澤田 敦史,平澤 欣吾,三輪 治生,金子 卓,野崎 昭人,杉森 一哉,沼田 和司,稲山 嘉明,國崎 主税
    • Organizer
      第94回日本胃癌学会総会
    • Related Report
      2022 Research-status Report
  • [Presentation] EUS-HGSのガイドワイヤー操作法におけるLoop techniqueの有用性.2022

    • Author(s)
      三輪 治生,杉森 一哉,松岡 裕人,遠藤 和樹,土屋 洋省,西村 正基,戸塚 雄一朗,金子 卓,沼田 和司,前田 愼
    • Organizer
      JDDW2022
    • Related Report
      2022 Research-status Report
  • [Presentation] 切除不能高齢者膵癌の治療と予後因子における検討.2021

    • Author(s)
      三輪治生,杉森一哉,土屋洋省,杉森慎,西村正基,戸塚雄一朗,小宮山哲史,金子卓,沼田和司,前田愼
    • Organizer
      第107回日本消化器病学会総会
    • Related Report
      2021 Research-status Report
  • [Presentation] 膵癌化学療法におけるバイオマーカーとしてのctDNAモニタリングの意義.2021

    • Author(s)
      杉森慎,杉森一哉,前田愼
    • Organizer
      第107回日本消化器病学会総会
    • Related Report
      2021 Research-status Report
  • [Presentation] 高分化型膵神経内分泌腫瘍(膵NET)の経過観察例の実態.2021

    • Author(s)
      金子卓,土屋洋省,杉森慎,西村正基,戸塚雄一朗,三輪治生,杉森一哉,沼田和司,前田愼
    • Organizer
      第52回日本膵臓学会大会
    • Related Report
      2021 Research-status Report
  • [Presentation] 当院における自己免疫性膵炎に関する検討2021

    • Author(s)
      西村正基,杉森一哉,前田愼,湯川達,土屋洋省,戸塚雄一郎,小宮山哲史,三輪治夫,金子卓,沼田和司
    • Organizer
      第52回日本膵臓学会大会
    • Related Report
      2021 Research-status Report
  • [Presentation] IPMN切除適応例の現状と予後.2021

    • Author(s)
      三輪治生,杉森一哉,土屋洋省,杉森慎,西村正基,戸塚雄一朗,小宮山哲史,金子卓,沼田和司,前田愼
    • Organizer
      第52回日本膵臓学会大会
    • Related Report
      2021 Research-status Report
  • [Presentation] 内視鏡的乳頭切除術における生検診断の意義.2021

    • Author(s)
      三輪治生,杉森一哉, 前田愼, 遠藤和樹, 土屋洋省, 西村正基, 杉森慎, 戸塚雄一朗, 小宮山哲史, 金子卓, 沼田和司
    • Organizer
      第57回日本胆道学会学術集会
    • Related Report
      2021 Research-status Report
  • [Presentation] EUS-HGSの早期偶発症とトラブル・シューティング.2021

    • Author(s)
      土屋洋省,杉森一哉,前田愼,湯川達,杉森慎,西村正基,戸塚雄一朗,小宮山哲史,三輪治生,金子卓,沼田和司
    • Organizer
      第101回日本消化器内視鏡学会総会
    • Related Report
      2021 Research-status Report
  • [Presentation] 化学療法施行例における悪性肝門部胆管閉塞に対するInside stentの治療成績.2021

    • Author(s)
      戸塚雄一朗,杉森一哉,前田愼,湯川達,土屋洋省,杉森慎,西村正基,小宮山哲史,三輪治生,金子卓,沼田和司
    • Organizer
      第101回日本消化器内視鏡学会総会
    • Related Report
      2021 Research-status Report
  • [Presentation] 内視鏡的乳頭切除術における偶発症とトラブル・シューティング.2021

    • Author(s)
      三輪治生,杉森一哉,前田愼,湯川達,土屋洋省,杉森慎,西村正基,戸塚雄一朗,小宮山哲史,金子卓,沼田和司
    • Organizer
      第101回日本消化器内視鏡学会総会
    • Related Report
      2021 Research-status Report
  • [Presentation] 術後膵周囲液体貯留に対する超音波内視鏡下経消化管的ドレナージの有用性.2021

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Published: 2021-04-28   Modified: 2023-12-25  

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