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Takuji Okusaka

national cancer center - japan

99H-index
951Paper Count
5.3WCitation Count
Published Papers 241
Publication Date
Efficacy of the Stent-in-Stent Technique as a Rescue Method for Removing Embedded Metallic Biliary Stents
err2025-12-17
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errOAAI
errKomori, Yasuhiro; Hijioka, Susumu; Nagashio, Yoshikuni; Harai, Shota; Yamashige, Daiki; Onuma, Kazunori; Fujisaki, Keita; Agarie, Daiki; Okamoto, Kohei; Yagi, Shin; Fukuda, Soma; Kuwada, Masaru; Torres, Joshua Josef; Ueda, Keijiro; Fujimori, Nao; Saito, Yutaka; Ogawa, Yoshihiro; Okusaka, Takuji
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Post-choledochojejunostomy reflux cholangitis due to cholestasis in the blind end of the afferent limb dramatically improved by endoscopic ultrasound-guided gastroenteroscopy
errENDOSCOPY
IF12.8
err2025-12-01
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errOAAI
errOnuma, Kazunori; Hijioka, Susumu; Nagashio, Yoshikuni; Harai, Shota; Yamashige, Daiki; Torres, Joshua Josef; Okusaka, Takuji
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Removal of the intrahepatically migrated and impacted plastic stent over malignant stricture using drill dilator
errENDOSCOPY
IF12.8
err2025-12-01
err0
errOAAI
errYamashige, Daiki; Hijioka, Susumu; Nagashio, Yoshikuni; Harai, Shota; Chatto, Mark; Saito, Yutaka; Okusaka, Takuji
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A newly designed duodenal stent enables stent placement for jejunal obstruction
errENDOSCOPY
IF12.8
err2025-12-01
err0
errOAAI
errHarai, Shota; Hijioka, Susumu; Nagashio, Yoshikuni; Yamashige, Daiki; Saito, Yutaka; Okusaka, Takuji
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Successful retrieval of migrated stent via endoscopic ultrasound-guided hepaticogastrostomy with fine-gauge dilation catheter
errENDOSCOPY
IF12.8
err2025-12-01
err0
errOAAI
errOkamoto, Kohei; Hijioka, Susumu; Nagashio, Yoshikuni; Harai, Shota; Chatto, Mark; Saito, Yutaka; Okusaka, Takuji
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Prospective, multicentre trial on preoperative biliary drainage by endoscopic ultrasound-guided hepaticogastrostomy for resectable/borderline resectable pancreatic cancer with biliary obstruction: the PROLOGUE study - a study protocol
err2025-10-02
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errOAAI
errYagi, Shin; Hijioka, Susumu; Nagashio, Yoshikuni; Harai, Shota; Agarie, Daiki; Yamashige, Daiki; Okamoto, Kohei; Fukuda, Souma; Kuwada, Masaru; Komori, Yasuhiro; Kurita, Yusuke; Hasegawa, Sho; Kubota, Kensuke; Ishida, Yusuke; Ushio, Jun; Takeshita, Kotaro; Yoshino, Kohei; Ishiwatari, Hirotoshi; Okusaka, Takuji
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FGFR2 Fusions or Rearrangements in Young Intrahepatic and Perihilar Cholangiocarcinoma Patients: Key Genetic Insights From a Pan-Asian Study
err2025-09-16
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errOAAI
errYuta Maruki; Yasushi Yatabe; Chiharu Mizoguchi; Kathleen Yasmin de Almeida; Aumkhae Sookprasert; Charuwan Akewanlop; Ming-Huang Chen; Ekaphop Sirachainan; Dao Van Tu; Rozita Abdul Malik; Chaiyut Charoentum; Hwoei Fen Soo Hoo; Suhana Yusak; Tsung-Hao Liu; Rangasamy Ramachandran; Patrapim Sunpaweravong; Pei Jye Voon; Najihah Abu Bakar; Junki Mizusawa; Hitomi Sumiyoshi Okuma; Kenichi Nakamura; Chigusa Morizane; Takuji Okusaka
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Electronic Patient-Reported Outcome Quality of Life Score in Japanese Patients With Pancreatic Cancer on Second-Line Chemotherapy: A Multicenter Observational Study
err2025-08-26
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errOAAI
errTakumoto, Yuki; Ohba, Akihiro; Terashima, Takeshi; Ueno, Makoto; Ikezawa, Kenji; Okano, Naohiro; Okusaka, Takuji; Morizane, Chigusa; Ikeda, Masafumi; Ozaka, Masato; Narimatsu, Hiroto; Akazawa, Manabu; Shiroiwa, Takeru; Furuse, Junji
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Clinical outcomes of endoscopic ultrasound-guided hepaticogastrostomy-based internal drainage for unresectable malignant hilar biliary obstruction: a comprehensive evaluation with malignant distal biliary obstruction
err2025-07-13
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errOAAI
errDaiki Yamashige; Susumu Hijioka; Yoshikuni Nagashio; Shota Harai; Yasuhiro Komori; Aoi Kita; Masaru Kuwada; Soma Fukuda; Shin Yagi; Kohei Okamoto; Daiki Agarie; Shunsuke Sugawara; Miyuki Sone; Yutaka Saito; Takuji Okusaka
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Endoscopic ultrasonography-guided biliary drainage via the afferent limb using forward-viewing echoendoscope for managing choledochojejunal anastomotic stricture
err2025-07-12
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errOAAI
errDaiki Agarie; Susumu Hijioka; Yoshikuni Nagashio; Daiki Yamashige; Kohei Okamoto; Shin Yagi; Soma Fukuda; Masaru Kuwada; Yasuhiro Komori; Aoi Kita; Shota Harai; Yutaka Saito; Kazuko Yamamoto; Takuji Okusaka
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Clinical significance and efficacy of endoscopic ultrasound-guided tissue acquisition for para-aortic lymph node metastasis
err2025-03-01
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errOAAI
errHara, Hidenobu; Hijioka, Susumu; Yamashige, Daiki; Nagashio, Yoshikuni; Komori, Yasuhiro; Kuwada, Masaru; Fukuda, Soma; Yagi, Shin; Okamoto, Kohei; Agarie, Daiki; Chatto, Mark; Okada, Mao; Maruki, Yuta; Morizane, Chigusa; Ueno, Hideki; Saito, Yutaka; Yonemori, Kan; Okusaka, Takuji
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NALIRIFOX in Japanese treatment-naïve patients with metastatic pancreatic adenocarcinoma: an open-label, phase II trial design
err2025-02-22
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errOAAI
errIkeda, Masafumi; Okusaka, Takuji; Ueno, Makoto; Ozaka, Masato; Satoi, Sohei; Skanji, Donia; Martin-Fernandez, L.; Amellal, Nadia; Furuse, Junji
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Uncovered Self-Expandable Metallic Stent with an Ultra-Thin Delivery Sheath in Unresectable Malignant Hilar Biliary Obstruction: A Multicenter Prospective Observational Study
err2025-02-19
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errOAAI
errTakeshita, Kotaro; Hijioka, Susumu; Ikezawa, Kenji; Ogura, Takeshi; Kuwatani, Masaki; Fujimori, Nao; Doi, Shinpei; Endo, Masato; Matsubara, Saburo; Yamada, Reiko; Mashima, Hirosato; Kataoka, Mikinori; Takada, Ryoji; Okuda, Atsushi; Ohno, Akihisa; Katsukura, Nobuhiro; Suzuki, Hirosumi; Tanaka, Takamitsu; Sekine, Masanari; Kitamura, Hidetoshi; Okusaka, Takuji
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Multicenter observational study to characterize fibroblast growth factor receptor 2 fusions or rearrangements in patients with advanced/metastatic cholangiocarcinoma
err2025-02-17
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errOAAI
errSatake, Tomoyuki; Morizane, Chigusa; Isayama, Hiroyuki; Katanuma, Akio; Endo, Masato; Kobayashi, Noritoshi; Kojima, Yasushi; Kubo, Shoji; Matsubara, Saburo; Shiraishi, Takeshi; Ohta, Takashi; Uwagawa, Tadashi; Kobayashi, Shingo; Sahara, Takatoshi; Funasaka, Setsuo; Ikezawa, Hiroki; Okusaka, Takuji
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Clinical practice of anamorelin therapy for cachexia in pancreatic cancer
err2024-12-01
err0
PREAI
errOkada, M.; Ohba, A.; Mitsunaga, S.; Shibuki, T.; Satake, T.; Watanabe, K.; Sasaki, M.; Imaoka, H.; Maruki, Y.; Nagashio, Y.; Susumu, H.; Morizane, C.; Ueno, H.; Ikeda, M.; Okusaka, T.
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Metal stent versus plastic stent in endoscopic ultrasound-guided hepaticogastrostomy for unresectable malignant biliary obstruction: Large single-center retrospective comparative study
err2024-11-15
err0
PREAI
errYamashige, Daiki; Hijioka, Susumu; Nagashio, Yoshikuni; Maruki, Yuta; Komori, Yasuhiro; Kuwada, Masaru; Fukuda, Soma; Yagi, Shin; Okamoto, Kohei; Agarie, Daiki; Chatto, Mark; Morizane, Chigusa; Ueno, Hideki; Sugawara, Shunsuke; Sone, Miyuki; Saito, Yutaka; Okusaka, Takuji
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Phase I/II study of nivolumab plus lenvatinib for advanced biliary tract cancer (JCOG1808/NCCH1817, SNIPE)
err2024-10-01
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errUeno, M.; Morizane, C.; Ikeda, M.; Ozaka, M.; Nagashima, F.; Kataoka, T.; Mizusawa, J.; Ohba, A.; Kobayashi, S.; Imaoka, H.; Kasuga, A.; Okano, N.; Nagasaka, Y.; Sasaki, M.; Furuse, J.; Okusaka, T.
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Durvalumab or placebo plus gemcitabine and cisplatin in participants with advanced biliary tract cancer (TOPAZ-1) : updated overall survival from a randomised phase 3 study
err2024-08-01
err15
PREAI
errOh, Do-Youn; He, Aiwu Ruth; Bouattour, Mohamed; Okusaka, Takuji; Qin, Shukui; Chen, Li-Tzong; Kitano, Masayuki; Lee, Choong-kun; Kim, Jin Won; Chen, Ming -Huang; Suksombooncharoen, Thatthan; Ikeda, Masafumi; Lee, Myung Ah; Chen, Jen-Shi; Potemski, Piotr; Burris, Howard A.; Ostwal, Vikas; Tanasanvimon, Suebpong; Morizane, Chigusa; Zaucha, Renata E.; Mcnamara, Mairead G.; Avallone, Antonio; Cundom, Juan E.; Breder, Valeriy; Tan, Benjamin; Shimizu, Satoshi; Tougeron, David; Evesque, Ludovic; Petrova, Mila; Zhen, David B.; Gillmore, Roopinder; Gupta, Vineet Govinda; Dayyani, Farshid; Park, Joon Oh; Buchschacher Jr, Gary L.; Rey, Felipe; Kim, Hyosung; Wang, Julie; Morgan, Claire; Rokutanda, Nana; Zotkiewicz, Magdalena; Vogel, Arndt; Valle, Juan W.
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Japanese classification of pancreatic carcinoma by the Japan Pancreas Society: Eighth edition
err2024-07-29
err7
errOAAI
errIshida, Masaharu; Fujii, Tsutomu; Kishiwada, Masashi; Shibuya, Kazuto; Satoi, Sohei; Ueno, Makoto; Nakata, Kohei; Takano, Shigetsugu; Uchida, Katsunori; Ohike, Nobuyuki; Masugi, Yohei; Furukawa, Toru; Hirabayashi, Kenichi; Fukushima, Noriyoshi; Yi, Shuang-Qin; Isayama, Hiroyuki; Itoi, Takao; Ohtsuka, Takao; Okusaka, Takuji; Inoue, Dai; Kitagawa, Hirohisa; Takaori, Kyoichi; Tani, Masaji; Nagakawa, Yuichi; Yoshitomi, Hideyuki; Unno, Michiaki; Takeyama, Yoshifumi
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Efficacy of endoscopic ultrasound-guided gastroenterostomy using self-expandable metallic stent for afferent loop syndrome: A single-center retrospective study
err2024-06-07
err0
PREAI
errHagiwara, Yuya; Hijioka, Susumu; Nagashio, Yoshikuni; Maruki, Yuta; Ohba, Akihiro; Kawasaki, Yuki; Takeshita, Kotaro; Takasaki, Tetsuro; Agarie, Daiki; Hara, Hidenobu; Yagi, Shin; Fukuda, Soma; Kuwada, Masaru; Yamashige, Daiki; Okamoto, Kohei; Chatto, Mark; Kondo, Shunsuke; Morizane, Chigusa; Ueno, Hideki; Endo, Masato; Sugawara, Shunsuke; Sone, Miyuki; Saito, Yutaka; Tsuchiya, Kiichiro; Okusaka, Takuji
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