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Works by Ozaka, Masato

Results: 95
    1

    Retrospective study of RAS/PIK3CA/BRAF tumor mutations as predictors of response to first-line chemotherapy with bevacizumab in metastatic colorectal cancer patients.

    Published in:
    2017
    By:
    • Izuma Nakayama;
    • Eiji Shinozaki;
    • Tomohiro Matsushima;
    • Takeru Wakatsuki;
    • Mariko Ogura;
    • Takashi Ichimura;
    • Masato Ozaka;
    • Daisuke Takahari;
    • Mitsukuni Suenaga;
    • Keisho Chin;
    • Nobuyuki Mizunuma;
    • Kensei Yamaguchi;
    • Nakayama, Izuma;
    • Shinozaki, Eiji;
    • Matsushima, Tomohiro;
    • Wakatsuki, Takeru;
    • Ogura, Mariko;
    • Ichimura, Takashi;
    • Ozaka, Masato;
    • Takahari, Daisuke
    Publication type:
    journal article
    2
    3

    Long-term outcomes of duckbill-type anti-reflux metal stents versus conventional covered metal stents in reinterventions after covered biliary metal stent dysfunction in unresectable pancreatic cancer.

    Published in:
    Surgical Endoscopy & Other Interventional Techniques, 2023, v. 37, n. 5, p. 3498, doi. 10.1007/s00464-022-09836-0
    By:
    • Takeda, Tsuyoshi;
    • Sasaki, Takashi;
    • Yamada, Yuto;
    • Okamoto, Takeshi;
    • Mie, Takafumi;
    • Furukawa, Takaaki;
    • Kasuga, Akiyoshi;
    • Matsuyama, Masato;
    • Ozaka, Masato;
    • Sasahira, Naoki
    Publication type:
    Article
    4
    5

    Development of a nomogram to predict survival in advanced biliary tract cancer.

    Published in:
    Scientific Reports, 2023, v. 13, n. 1, p. 1, doi. 10.1038/s41598-023-48889-6
    By:
    • Imaoka, Hiroshi;
    • Ikeda, Masafumi;
    • Nomura, Shogo;
    • Morizane, Chigusa;
    • Okusaka, Takuji;
    • Ozaka, Masato;
    • Shimizu, Satoshi;
    • Yamazaki, Kentaro;
    • Okano, Naohiro;
    • Sugimori, Kazuya;
    • Shirakawa, Hirofumi;
    • Mizuno, Nobumasa;
    • Satoi, Sohei;
    • Yamaguchi, Hironori;
    • Sugimoto, Rie;
    • Gotoh, Kunihito;
    • Sano, Keji;
    • Asagi, Akinori;
    • Nakamura, Kazuyoshi;
    • Ueno, Makoto
    Publication type:
    Article
    6

    Assessment of heterogeneity according to hospital or medical experience factors in outcomes of chemotherapy for advanced biliary tract cancer: a post-hoc analysis of JCOG1113.

    Published in:
    Japanese Journal of Clinical Oncology, 2025, v. 55, n. 4, p. 355, doi. 10.1093/jjco/hyae188
    By:
    • Fukushi, Koh;
    • Imaoka, Hiroshi;
    • Ikeda, Masafumi;
    • Mizusawa, Junki;
    • Morizane, Chigusa;
    • Okusaka, Takuji;
    • Kobayashi, Satoshi;
    • Sasahira, Naoki;
    • Shimizu, Satoshi;
    • Yamazaki, Kentaro;
    • Okano, Naohiro;
    • Miwa, Haruo;
    • Hara, Kazuo;
    • Satoi, Sohei;
    • Sano, Keiji;
    • Sakai, Kenji;
    • Sugimoto, Rie;
    • Nakamura, Kazuyoshi;
    • Terashima, Takeshi;
    • Ozaka, Masato
    Publication type:
    Article
    7

    Protocol digest of a randomized phase III trial comparing S-1-based chemoradiotherapy with/without nivolumab for unresectable locally advanced or borderline resectable pancreatic cancer: JCOG1908E (PENETRATE).

    Published in:
    Japanese Journal of Clinical Oncology, 2024, v. 54, n. 11, p. 1214, doi. 10.1093/jjco/hyae084
    By:
    • Sano, Yusuke;
    • Kanai, Masashi;
    • Morizane, Chigusa;
    • Sasaki, Keita;
    • Yoshimura, Michio;
    • Ito, Yoshinori;
    • Furuse, Junji;
    • Ozaka, Masato;
    • Fukuda, Haruhiko;
    • Ueno, Makoto;
    • Group, on behalf of the Hepatobiliary and Pancreatic Oncology Group in Japan Clinical Oncology
    Publication type:
    Article
    8

    Bone loss over time and risk of osteoporosis in advanced pancreatic cancer.

    Published in:
    Japanese Journal of Clinical Oncology, 2024, v. 54, n. 6, p. 667, doi. 10.1093/jjco/hyae028
    By:
    • Takeda, Tsuyoshi;
    • Sasaki, Takashi;
    • Okamoto, Takeshi;
    • Hirai, Tatsuki;
    • Ishitsuka, Takahiro;
    • Yamada, Manabu;
    • Nakagawa, Hiroki;
    • Furukawa, Takaaki;
    • Mie, Takafumi;
    • Kasuga, Akiyoshi;
    • Ozaka, Masato;
    • Sasahira, Naoki
    Publication type:
    Article
    9

    Outcomes of lung oligometastasis in pancreatic cancer.

    Published in:
    Japanese Journal of Clinical Oncology, 2023, v. 53, n. 12, p. 1144, doi. 10.1093/jjco/hyad111
    By:
    • Takeda, Tsuyoshi;
    • Sasaki, Takashi;
    • Ichinose, Junji;
    • Inoue, Yosuke;
    • Okamoto, Takeshi;
    • Mie, Takafumi;
    • Furukawa, Takaaki;
    • Kasuga, Akiyoshi;
    • Oba, Atsushi;
    • Matsuura, Yosuke;
    • Nakao, Masayuki;
    • Ozaka, Masato;
    • Mun, Mingyon;
    • Takahashi, Yu;
    • Sasahira, Naoki
    Publication type:
    Article
    10
    11

    Comprehensive review of undifferentiated carcinoma of the pancreas: from epidemiology to treatment.

    Published in:
    Japanese Journal of Clinical Oncology, 2023, v. 53, n. 9, p. 764, doi. 10.1093/jjco/hyad062
    By:
    • Imaoka, Hiroshi;
    • Ikeda, Masafumi;
    • Umemoto, Kumiko;
    • Sunakawa, Yu;
    • Ueno, Makoto;
    • Ueno, Hideki;
    • Ozaka, Masato;
    • Kuwahara, Takamichi;
    • Okano, Naohiro;
    • Kanai, Masashi;
    • Hisano, Terumasa;
    • Suzuki, Yuko;
    • Asagi, Akinori;
    • Shioji, Kazuhiko;
    • Todaka, Akiko;
    • Tsuji, Kunihiro;
    • Ikezawa, Kenji;
    • Miki, Ikuya;
    • Komatsu, Yoshito;
    • Akutsu, Noriyuki
    Publication type:
    Article
    12

    Effect of systemic inflammatory response on induction chemotherapy followed by chemoradiotherapy for locally advanced pancreatic cancer: an exploratory subgroup analysis on systemic inflammatory response in JCOG1106.

    Published in:
    Japanese Journal of Clinical Oncology, 2023, v. 53, n. 8, p. 704, doi. 10.1093/jjco/hyad044
    By:
    • Mizuno, Nobumasa;
    • Ioka, Tatsuya;
    • Ogawa, Gakuto;
    • Nakamura, Satoaki;
    • Hiraoka, Nobuyoshi;
    • Ito, Yoshinori;
    • Katayama, Hiroshi;
    • Takada, Ryoji;
    • Kobayashi, Satoshi;
    • Ikeda, Masafumi;
    • Miwa, Haruo;
    • Okano, Naohiro;
    • Kuramochi, Hidekazu;
    • Sekimoto, Mitsugu;
    • Okusaka, Takuji;
    • Ozaka, Masato;
    • Todaka, Akiko;
    • Gotoh, Kunihito;
    • Tobimatsu, Kazutoshi;
    • Yamaguchi, Hironori
    Publication type:
    Article
    13

    Protocol of a randomized phase II/III study of gemcitabine plus nab-paclitaxel combination therapy versus modified FOLFIRINOX versus S-IROX for metastatic or recurrent pancreatic cancer: JCOG1611 (GENERATE).

    Published in:
    Japanese Journal of Clinical Oncology, 2023, v. 53, n. 1, p. 80, doi. 10.1093/jjco/hyac146
    By:
    • Mizusawa, Junki;
    • Ohba, Akihiro;
    • Ozaka, Masato;
    • Katayama, Hiroshi;
    • Okusaka, Takuji;
    • Kobayashi, Satoshi;
    • Ikeda, Masafumi;
    • Terashima, Takeshi;
    • Sasahira, Naoki;
    • Okano, Naohiro;
    • Miki, Ikuya;
    • Kaneko, Takashi;
    • Mizuno, Nobumasa;
    • Todaka, Akiko;
    • Furukawa, Masayuki;
    • Kajiura, Shinya;
    • Kataoka, Tomoko;
    • Fukuda, Haruhiko;
    • Furuse, Junji;
    • Ueno, Makoto
    Publication type:
    Article
    14
    15
    16
    17
    18

    Randomized phase II study of chemoradiotherapy with versus without induction chemotherapy for locally advanced pancreatic cancer: Japan Clinical Oncology Group trial, JCOG1106.

    Published in:
    Japanese Journal of Clinical Oncology, 2021, v. 51, n. 2, p. 235, doi. 10.1093/jjco/hyaa198
    By:
    • Ioka, Tatsuya;
    • Furuse, Junji;
    • Fukutomi, Akira;
    • Mizusawa, Junki;
    • Nakamura, Satoaki;
    • Hiraoka, Nobuyoshi;
    • Ito, Yoshinori;
    • Katayama, Hiroshi;
    • Ueno, Makoto;
    • Ikeda, Masafumi;
    • Sugimori, Kazuya;
    • Okano, Naohiro;
    • Shimizu, Kyoko;
    • Yanagimoto, Hiroaki;
    • Okusaka, Takuji;
    • Ozaka, Masato;
    • Todaka, Akiko;
    • Nakamori, Shoji;
    • Tobimatsu, Kazutoshi;
    • Sata, Naohiro
    Publication type:
    Article
    19
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    22
    23
    24
    25
    26
    27
    28
    29
    30

    Multiple Gastric Metastases after Distal Pancreatectomy for Pancreatic Cancer.

    Published in:
    Internal Medicine, 2022, v. 61, n. 18, p. 2741, doi. 10.2169/internalmedicine.8848-21
    By:
    • Yuto Yamada;
    • Takashi Sasaki;
    • Tsuyoshi Takeda;
    • Takeshi Okamoto;
    • Manabu Takamatsu;
    • Chinatsu Mori;
    • Takafumi Mie;
    • Takaaki Furukawa;
    • Akiyoshi Kasuga;
    • Masato Matsuyama;
    • Masato Ozaka;
    • Yoshinori Igarashi;
    • Naoki Sasahira
    Publication type:
    Article
    31

    Clinical utility of BRCA and ATM mutation status in circulating tumour DNA for treatment selection in advanced pancreatic cancer.

    Published in:
    British Journal of Cancer, 2024, v. 131, n. 7, p. 1237, doi. 10.1038/s41416-024-02834-0
    By:
    • Sudo, Kentaro;
    • Nakamura, Yoshiaki;
    • Ueno, Makoto;
    • Furukawa, Masayuki;
    • Mizuno, Nobumasa;
    • Kawamoto, Yasuyuki;
    • Okano, Naohiro;
    • Umemoto, Kumiko;
    • Asagi, Akinori;
    • Ozaka, Masato;
    • Ohtsubo, Koushiro;
    • Shimizu, Satoshi;
    • Matsuhashi, Nobuhisa;
    • Itoh, Shinji;
    • Matsumoto, Toshihiko;
    • Satoh, Taroh;
    • Okuyama, Hiroyuki;
    • Goto, Masahiro;
    • Hasegawa, Hiroko;
    • Yamamoto, Yoshiyuki
    Publication type:
    Article
    32

    Comparison of gemcitabine-based chemotherapies for advanced biliary tract cancers by renal function: an exploratory analysis of JCOG1113.

    Published in:
    Scientific Reports, 2021, v. 11, n. 1, p. 1, doi. 10.1038/s41598-021-92166-3
    By:
    • Ueno, Makoto;
    • Morizane, Chigusa;
    • Okusaka, Takuji;
    • Mizusawa, Junki;
    • Kataoka, Tomoko;
    • Ikeda, Masafumi;
    • Ozaka, Masato;
    • Okano, Naohiro;
    • Sugimori, Kazuya;
    • Todaka, Akiko;
    • Shimizu, Satoshi;
    • Mizuno, Nobumasa;
    • Yamamoto, Tomohisa;
    • Sano, Keiji;
    • Tobimatsu, Kazutoshi;
    • Katanuma, Akio;
    • Miyamoto, Atsushi;
    • Yamaguchi, Hironori;
    • Nishina, Tomohiro;
    • Shirakawa, Hirofumi
    Publication type:
    Article
    33
    34

    Ki-67 Labeling Index Variability Between Surgically Resected Primary and Metastatic Hepatic Lesions of Gastroenteropancreatic Neuroendocrine Neoplasms.

    Published in:
    International Journal of Surgical Pathology, 2021, v. 29, n. 5, p. 475, doi. 10.1177/1066896921990715
    By:
    • Furukawa, Takaaki;
    • Ozaka, Masato;
    • Takamatsu, Manabu;
    • Takazawa, Yutaka;
    • Inamura, Kentaro;
    • Inoue, Yosuke;
    • Mie, Takafumi;
    • Takeda, Tsuyoshi;
    • Kanata, Ryo;
    • Kasuga, Akiyoshi;
    • Matsuyama, Masato;
    • Sasaki, Takashi;
    • Takahashi, Yu;
    • Sasahira, Naoki
    Publication type:
    Article
    35

    Influence of major hepatectomy on gemcitabine-based chemotherapy for recurrent biliary tract cancer after surgery: a subgroup analysis of JCOG1113.

    Published in:
    International Journal of Clinical Oncology, 2025, v. 30, n. 1, p. 83, doi. 10.1007/s10147-024-02642-9
    By:
    • Okuno, Tatsuya;
    • Morizane, Chigusa;
    • Mizusawa, Junki;
    • Yanagimoto, Hiroaki;
    • Kobayashi, Satoshi;
    • Imaoka, Hiroshi;
    • Terashima, Takeshi;
    • Kawakami, Hisato;
    • Sano, Yusuke;
    • Okusaka, Takuji;
    • Ikeda, Masafumi;
    • Ozaka, Masato;
    • Miwa, Haruo;
    • Todaka, Akiko;
    • Shimizu, Satoshi;
    • Mizuno, Nobumasa;
    • Sekimoto, Mitsugu;
    • Sano, Keiji;
    • Tobimatsu, Kazutoshi;
    • Katanuma, Akio
    Publication type:
    Article
    36

    English version of Japanese Clinical Practice Guidelines 2022 for gastrointestinal stromal tumor (GIST) issued by the Japan Society of Clinical Oncology.

    Published in:
    International Journal of Clinical Oncology, 2024, v. 29, n. 6, p. 647, doi. 10.1007/s10147-024-02488-1
    By:
    • Hirota, Seiichi;
    • Tateishi, Ukihide;
    • Nakamoto, Yuji;
    • Yamamoto, Hidetaka;
    • Sakurai, Shinji;
    • Kikuchi, Hirotoshi;
    • Kanda, Tatsuo;
    • Kurokawa, Yukinori;
    • Cho, Haruhiko;
    • Nishida, Toshirou;
    • Sawaki, Akira;
    • Ozaka, Masato;
    • Komatsu, Yoshito;
    • Naito, Yoichi;
    • Honma, Yoshitaka;
    • Takahashi, Fumiaki;
    • Hashimoto, Hironobu;
    • Udo, Midori;
    • Araki, Minako;
    • Nishidate, Sumito
    Publication type:
    Article
    37

    Clinical Practice Guidelines for Pancreatic Cancer 2022 from the Japan Pancreas Society: a synopsis.

    Published in:
    International Journal of Clinical Oncology, 2023, v. 28, n. 4, p. 493, doi. 10.1007/s10147-023-02317-x
    By:
    • Okusaka, Takuji;
    • Nakamura, Masafumi;
    • Yoshida, Masahiro;
    • Kitano, Masayuki;
    • Ito, Yoshinori;
    • Mizuno, Nobumasa;
    • Hanada, Keiji;
    • Ozaka, Masato;
    • Morizane, Chigusa;
    • Takeyama, Yoshifumi;
    • Sakamoto, Yasunari;
    • Inoue, Dai;
    • Kamata, Ken;
    • Kawai, Manabu;
    • Kanno, Atsushi;
    • Serikawa, Masahiro;
    • Sofuni, Atsushi;
    • Takayama, Yukiko;
    • Matsubayashi, Hiroyuki;
    • Ohtsuka, Takao
    Publication type:
    Article
    38
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    40

    Managing a gastrointestinal oncology practice in Japan during the COVID-19 pandemic: single institutional experience in The Cancer Institute Hospital of Japanese Foundation for Cancer Research.

    Published in:
    International Journal of Clinical Oncology, 2021, v. 26, n. 2, p. 335, doi. 10.1007/s10147-020-01806-7
    By:
    • Takahari, Daisuke;
    • Shinozaki, Eiji;
    • Wakatsuki, Takeru;
    • Ooki, Akira;
    • Ozaka, Masato;
    • Suzuki, Takeshi;
    • Nakayama, Izuma;
    • Osumi, Hiroki;
    • Kamiimabeppu, Daisaku;
    • Sato, Taro;
    • Ogura, Mariko;
    • Suenaga, Mitsukuni;
    • Chin, Keisho;
    • Yamaguchi, Kensei
    Publication type:
    Article
    41
    42

    Retrospective comparison of S-1 plus cisplatin versus S-1 monotherapy for the treatment of advanced gastric cancer patients with positive peritoneal cytology but without gross peritoneal metastasis.

    Published in:
    International Journal of Clinical Oncology, 2017, v. 22, n. 6, p. 1060, doi. 10.1007/s10147-017-1164-4
    By:
    • Nakayama, Izuma;
    • Chin, Keisho;
    • Matsushima, Tomohiro;
    • Takahari, Daisuke;
    • Ogura, Mariko;
    • Shinozaki, Eiji;
    • Suenaga, Mitsukuni;
    • Ozaka, Masato;
    • Wakatsuki, Takeru;
    • Ichimura, Takashi;
    • Hiroki, Osumi;
    • Yamaguchi, Kensei
    Publication type:
    Article
    43

    Complete response of a pancreatic adenosquamous carcinoma to chemoradiotherapy.

    Published in:
    International Journal of Clinical Oncology, 2008, v. 13, n. 1, p. 74, doi. 10.1007/s10147-007-0690-x
    By:
    • Shibagaki, Kotaro;
    • Fujita, Koichi;
    • Nakayama, Shinji;
    • Takenaka, Mamoru;
    • Fukuba, Nobuhiko;
    • Matsui, Saori;
    • Ozaka, Masato;
    • Yoshinaga, Hiroshi;
    • Masuzawa, Akira;
    • Watanabe, Akihiko;
    • Fujiwara, Hitoshi;
    • Sugawara, Atsushi;
    • Fujita, Tsuyoshi;
    • Mukai, Hidekazu;
    • Kinoshita, Yoshikazu
    Publication type:
    Article
    44

    Safety and Effectiveness of Chemotherapy in Elderly Biliary Tract Cancer Patients.

    Published in:
    Current Oncology, 2023, v. 30, n. 8, p. 7229, doi. 10.3390/curroncol30080524
    By:
    • Okamoto, Takeshi;
    • Takeda, Tsuyoshi;
    • Sasaki, Takashi;
    • Hamada, Tsuyoshi;
    • Mie, Takafumi;
    • Ishitsuka, Takahiro;
    • Yamada, Manabu;
    • Nakagawa, Hiroki;
    • Hirai, Tatsuki;
    • Furukawa, Takaaki;
    • Kasuga, Akiyoshi;
    • Ozaka, Masato;
    • Sasahira, Naoki
    Publication type:
    Article
    45
    46
    47

    Prediction model for pancreatic cancer risk in the general Japanese population.

    Published in:
    PLoS ONE, 2018, v. 13, n. 9, p. 1, doi. 10.1371/journal.pone.0203386
    By:
    • Nakatochi, Masahiro;
    • Lin, Yingsong;
    • Ito, Hidemi;
    • Hara, Kazuo;
    • Kinoshita, Fumie;
    • Kobayashi, Yumiko;
    • Ishii, Hiroshi;
    • Ozaka, Masato;
    • Sasaki, Takashi;
    • Sasahira, Naoki;
    • Morimoto, Manabu;
    • Kobayashi, Satoshi;
    • Ueno, Makoto;
    • Ohkawa, Shinichi;
    • Egawa, Naoto;
    • Kuruma, Sawako;
    • Mori, Mitsuru;
    • Nakao, Haruhisa;
    • Wang, Chaochen;
    • Nishiyama, Takeshi
    Publication type:
    Article
    48

    Impact of UGT1A1 genetic polymorphism on toxicity in unresectable pancreatic cancer patients undergoing FOLFIRINOX.

    Published in:
    Cancer Science, 2019, v. 110, n. 2, p. 707, doi. 10.1111/cas.13883
    By:
    • Shirasu, Hiromichi;
    • Todaka, Akiko;
    • Omae, Katsuhiro;
    • Fujii, Hirofumi;
    • Mizuno, Nobumasa;
    • Ozaka, Masato;
    • Ueno, Hideki;
    • Kobayashi, Satoshi;
    • Uesugi, Kazuhiro;
    • Kobayashi, Noritoshi;
    • Hayashi, Hideyuki;
    • Sudo, Kentaro;
    • Okano, Naohiro;
    • Horita, Yosuke;
    • Kamei, Keiko;
    • Yukisawa, Seigo;
    • Kobayashi, Marina;
    • Fukutomi, Akira
    Publication type:
    Article
    49
    50

    Adherence to the guidelines and the pathological diagnosis of high-risk gastrointestinal stromal tumors in the real world.

    Published in:
    Gastric Cancer, 2020, v. 23, n. 1, p. 118, doi. 10.1007/s10120-019-00966-4
    By:
    • Nishida, Toshirou;
    • Sakai, Yoshiharu;
    • Takagi, Masakazu;
    • Ozaka, Masato;
    • Kitagawa, Yuko;
    • Kurokawa, Yukinori;
    • Masuzawa, Toru;
    • Naito, Yoichi;
    • Kagimura, Tatsuo;
    • Hirota, Seiichi;
    • The members of the STAR ReGISTry Study Group;
    • Saito, Takuro;
    • Komatsu, Yoshito;
    • Kondo, Masato;
    • Hayashi, Tsutomu;
    • Gotoda, Naoto;
    • Takiguchi, Nobuhiro;
    • Maki, Atsuhiko;
    • Baba, Hideo;
    • Orita, Hajime
    Publication type:
    Article