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Naoya Kato

eisai co ltd

61H-index
622Paper Count
1.4WCitation Count
Published Papers 231
Publication Date
A Phase 1b Study of Lenvatinib plus Nivolumab in Patients with Unresectable Hepatocellular Carcinoma
err2026-01-01
err0
errOAAI
errIkeda, Masafumi; Kudo, Masatoshi; Motomura, Kenta; Okusaka, Takuji; Kato, Naoya; Hisai, Takashi; Ikezawa, Hiroki; Shiba, Sari; Hoshi, Taisuke; Kuroda, Masataka; Kumada, Hiromitsu; Kobayashi, Masahiro
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Investigation of prophylactic clip haemorrhage control for colorectal cold snare polypectomy in patients taking antithrombotic drugs (PERCOLD): study protocol-a multicentre prospective parallel-group non-inferiority RCT phase 3 trial
err2025-09-30
err0
errOAAI
errOkimoto, Kenichiro; Matsumura, Tomoaki; Taida, Takashi; Ishikawa, Tsubasa; Koshibu, Yushi; Shu, Nobuaki; Ozeki, Yusuke; Furuya, Makoto; Mamiya, Yukiyo; Nakazawa, Hayato; Ohyama, Yuhei; Takahashi, Satsuki; Horio, Ryosuke; Goto, Chihiro; Kurosugi, Akane; Sonoda, Michiko; Kaneko, Tatsuya; Ohta, Yuki; Matsusaka, Keisuke; Inaba, Yosuke; Kato, Jun; Ikeda, Jun-Ichiro; Hanaoka, Hideki; Kato, Naoya
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Pretreatment serum angiopoietin-2 predicts prognosis and liver functional reserve after successful HCV eradication with sofosbuvir and velpatasvir in patients with HCV-related decompensated cirrhosis
err2025-06-20
err0
PREAI
errNaoki Kawagishi; Goki Suda; Yuki Tahata; Hayato Hikita; Takahiro Kodama; Satoshi Mochida; Nobuyuki Enomoto; Seiichi Mawatari; Hidekatsu Kuroda; Daiki Miki; Masayuki Kurosaki; Yoichi Hiasa; Norifumi Kawada; Taro Yamashita; Hiroshi Yatsuhashi; Hitoshi Yoshiji; Naoya Kato; Taro Takami; Hisamitsu Miyaaki; Kentaro Matsuura; Yasuhiro Asahina; Yoshito Itoh; Ryosuke Tateishi; Yasunari Nakamoto; Eiji Kakazu; Shuji Terai; Masahito Shimizu; Yoshiyuki Ueno; Norio Akuta; Masatsugu Ohara; Naoya Sakamoto; Tetsuo Takehara
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Efficacy of measuring natural killer-activating receptor ligands to predict the pathogenesis of metabolic dysfunction-associated steatotic liver disease
err2025-03-14
err0
PREAI
errArai, Jun; Okumura, Akinori; Kimoto, Satoshi; Sakamoto, Kazumasa; Kitada, Tomoya; Kitano, Rena; Inoue, Tadahisa; Nishimura, Sayaka; Inden, Noriko; Muraki, Yukiko; Kato, Naoya; Ito, Kiyoaki
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Comparison of endoscopic submucosal dissection and modified endoscopic mucosal resection for rectal neuroendocrine tumors
err2025-02-13
err0
errOAAI
errKitagawa, Yoshiyasu; Suzuki, Takuto; Miyakawa, Akihiro; Okimoto, Kenichiro; Matsumura, Tomoaki; Shiratori, Toshiyasu; Ishigami, Hideaki; Mine, Takeshi; Takashiro, Hideyuki; Saito, Hirofumi; Kato, Naoya
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Usefulness of Novel Image-Enhanced Endoscopy for Predicting Maintenance of Clinical Remission in Ulcerative Colitis
err2025-01-27
err0
errOAAI
errMamiya, Yukiyo; Taida, Takashi; Kato, Jun; Matsusaka, Keisuke; Matsubara, Yoshiki; Ozaki, Tomomi; Ohashi, Takuya; Ito, Toshiyuki; Mukai, Syohei; Syu, Nobuaki; Koshibu, Yushi; Ozeki, Yusuke; Furuya, Makoto; Oyama, Yuhei; Nakazawa, Hayato; Horio, Ryosuke; Goto, Chihiro; Takahashi, Satsuki; Ozawa, Yoshihito; Shiko, Yuki; Kurosugi, Akane; Sonoda, Michiko; Kaneko, Tatsuya; Ishikawa, Tsubasa; Ohta, Yuki; Okimoto, Kenichiro; Saito, Keiko; Matsumura, Tomoaki; Ikeda, Jun-ichiro; Kato, Naoya
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Evaluating two rechallenge strategies of immune checkpoint inhibitors: Durvalumab plus tremelimumab in advanced hepatocellular carcinoma
err2025-01-15
err0
errOAAI
errYonemoto, Takuya; Ogasawara, Sadahisa; Kanogawa, Naoya; Miwa, Chihiro; Fujiya, Makoto; Tsuchiya, Takahiro; Sawada, Midori; Akatsuka, Teppei; Izai, Ryo; Yumita, Sae; Nakagawa, Miyuki; Okubo, Tomomi; Koroki, Keisuke; Inoue, Masanori; Nakamura, Masato; Kondo, Takayuki; Nakamoto, Shingo; Itokawa, Norio; Atsukawa, Masanori; Itobayashi, Ei; Moriguchi, Michihisa; Kato, Naoya
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APASL clinical practice guidelines on systemic therapy for hepatocellular carcinoma-2024
err2024-11-21
err2
errOAAI
errLau, George; Obi, Shuntaro; Zhou, Jian; Tateishi, Ryosuke; Qin, Shukui; Zhao, Haitao; Otsuka, Motoyuki; Ogasawara, Sadahisa; George, Jacob; Chow, Pierce K. H.; Cai, Jianqiang; Shiina, Shuichiro; Kato, Naoya; Yokosuka, Osamu; Oura, Kyoko; Yau, Thomas; Chan, Stephen L.; Kuang, Ming; Ueno, Yoshiyuki; Chen, Minshan; Cheng, Ann-Lii; Cheng, Gregory; Chuang, Wan-Long; Baatarkhuu, Oidov; Bi, Feng; Dan, Yock Young; Gani, Rino A.; Tanaka, Atsushi; Jafri, Wasim; Jia, Ji-Dong; Kao, Jia-Horng; Hasegawa, Kiyoshi; Lau, Patrick; Lee, Jeong Min; Liang, Jun; Liu, Zhenwen; Lu, Yinying; Pan, Hongming; Payawal, Diana A.; Rahman, Salimur; Seong, Jinsil; Shen, Feng; Shiha, Gamal; Song, Tianqiang; Sun, Hui-Chuan; Masaki, Tsutomu; Sirachainan, Ekaphop; Wei, Lai; Yang, Jin Mo; Sallano, Jose D.; Zhang, Yanqiao; Tanwandee, Tawesak; Dokmeci, Akadir; Zheng, Shu-sen; Fan, Jia; Fan, Sheung-Tat; Sarin, Shiv Kumar; Omata, Masao
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Comprehensive Analysis of Radiologic Cancer-Free Status through Various Treatment Approaches in Advanced-Stage Hepatocellular Carcinoma
err2024-11-13
err0
errOAAI
errKoroki, Keisuke; Ogasawara, Sadahisa; Izai, Ryo; Yonemoto, Takuya; Akatsuka, Teppei; Miwa, Chihiro; Yumita, Sae; Inoue, Masanori; Kobayashi, Kazufumi; Kiyono, Soichiro; Nakamura, Masato; Kanogawa, Naoya; Kondo, Takayuki; Nakamoto, Shingo; Nakada, Shinichiro; Sakai, Nozomu; Yokoyama, Masayuki; Ohtsuka, Masayuki; Kato, Naoya
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Characteristics of factors contributing to follow-up for suspected delayed bleeding after colorectal endoscopic submucosal dissection
err2024-10-01
err1
PREAI
errTakahashi, Satsuki; Okimoto, Kenichiro; Matsumura, Tomoaki; Oyama, Yuhei; Nakazawa, Hayato; Mamiya, Yukiyo; Goto, Chihiro; Horio, Ryosuke; Kurosugi, Akane; Sonoda, Michiko; Kaneko, Tatsuya; Akizue, Naoki; Ohta, Yuki; Taida, Takashi; Saito, Keiko; Kato, Jun; Kato, Naoya
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Endoscopic ischemic polypectomy using a large endoclip for Peutz-Jeghers polyps
errENDOSCOPY
IF12.8
err2024-07-26
err0
errOAAI
errTaida, Takashi; Ohta, Yuki; Saito, Keiko; Okimoto, Kenichiro; Matsumura, Tomoaki; Kato, Jun; Kato, Naoya
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Successful prevention of balloon dilatation after complete circumferential endoscopic submucosal dissection including long-segment Barrett's esophagus
errENDOSCOPY
IF12.8
err2024-07-03
err0
errOAAI
errOkimoto, Kenichiro; Matsumura, Tomoaki; Matsusaka, Keisuke; Ohta, Yuki; Taid, Takashi; Kato, Jun; Kato, Naoya
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Cytokine release syndrome following durvalumab and tremelimumab in advanced hepatocellular carcinoma: A case report with cytokine and damage-associated molecular pattern analysis
err2024-06-29
err1
PREAI
errOzaki, Tomomi; Yumita, Sae; Ogasawara, Sadahisa; Fujiya, Makoto; Tsuchiya, Takahiro; Yoshino, Ryohei; Sawada, Midori; Akatsuka, Teppei; Izai, Ryo; Miwa, Chihiro; Yonemoto, Takuya; Fujimoto, Kentaro; Unozawa, Hidemi; Fujiwara, Kisako; Kojima, Ryuta; Kanzaki, Hiroaki; Koroki, Keisuke; Inoue, Masanori; Kobayashi, Kazufumi; Nakamura, Masato; Kiyono, Soichiro; Kanogawa, Naoya; Kondo, Takayuki; Nakagawa, Ryo; Nakamoto, Shingo; Kato, Naoya
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Successful closure of large mucosal defect with novel anchor-pronged clip after gastric endoscopic submucosal dissection
errENDOSCOPY
IF12.8
err2024-06-25
err0
errOAAI
errOkimoto, Kenichiro; Matsumura, Tomoaki; Matsusaka, Keisuke; Ohta, Yuki; Taida, Takashi; Kato, Jun; Kato, Naoya
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Analysis of autoimmune hepatitis with acute presentation in the early stage of illness
err2024-06-11
err0
PREAI
errFujiwara, Keiichi; Fukuda, Yoshihiro; Sanada, Masahiko; Koizumi, Shuko; Seza, Katsushi; Saito, Masaya; Yokosuka, Osamu; Kato, Naoya
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Ramucirumab for advanced hepatocellular carcinoma in the current real world: a Japanese single-arm study post-REACH-2 (The R-evolution study)
err2024-06-06
err0
errOAAI
errKobayashi, Kazufumi; Ogasawara, Sadahisa; Itobayashi, Ei; Okubo, Tomomi; Itokawa, Norio; Nakamura, Kazuyoshi; Moriguchi, Michihisa; Watanabe, Shunji; Ikeda, Masafumi; Kuroda, Hidekatsu; Kawaoka, Tomokazu; Hiraoka, Atsushi; Yasui, Yutaka; Kuzuya, Teiji; Sato, Rui; Kanzaki, Hiroaki; Koroki, Keisuke; Inoue, Masanori; Nakamura, Masato; Kiyono, Soichiro; Kanogawa, Naoya; Kondo, Takayuki; Nakamoto, Shingo; Ozawa, Yoshihito; Tsuchiya, Kaoru; Atsukawa, Masanori; Aikata, Hiroshi; Aramaki, Takeshi; Oka, Shiro; Morimoto, Naoki; Kurosaki, Masayuki; Itoh, Yoshito; Izumi, Namiki; Kato, Naoya
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Assessment of Macrovascular Invasion in Advanced Hepatocellular Carcinoma: Clinical Implications and Treatment Outcomes with Systemic Therapy
err2024-05-21
err0
errOAAI
errInoue, Masanori; Ogasawara, Sadahisa; Kobayashi, Kazufumi; Okubo, Tomomi; Itokawa, Norio; Obu, Masamichi; Fujimoto, Kentaro; Unozawa, Hidemi; Yumita, Sae; Fujiwara, Kisako; Nakagawa, Miyuki; Kanzaki, Hiroaki; Koroki, Keisuke; Kiyono, Soichiro; Nakamura, Masato; Kanogawa, Naoya; Kondo, Takayuki; Nakamoto, Shingo; Nagashima, Kengo; Itobayashi, Ei; Atsukawa, Masanori; Koma, Yoshihiro; Azemoto, Ryosaku; Kato, Naoya
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Novel self-assembling peptide for management of bleeding associated with colorectal angiodysplasia
errENDOSCOPY
IF12.8
err2024-05-17
err0
errOAAI
errOkimoto, Kenichiro; Matsumura, Tomoaki; Akizue, Naoki; Ohta, Yuki; Taida, Takashi; Kato, Jun; Kato, Naoya
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Utility of prophylactic clipping after colorectal cold snare polypectomy in patients on oral antithrombotic agents
err2024-05-01
err2
PREAI
errAkizue, Naoki; Okimoto, Kenichiro; Matsumura, Tomoaki; Matsusaka, Keisuke; Inaba, Yosuke; Horio, Ryosuke; Takahashi, Satsuki; Goto, Chihiro; Kurosugi, Akane; Sonoda, Michiko; Kaneko, Tatsuya; Ohta, Yuki; Taida, Takashi; Kato, Jun; Ikeda, Jun-ichiro; Kato, Naoya
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