Works by Ozaka, Masato

Results: 100
    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
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    Chemotherapy for Biliary Tract Cancer in 2021.

    Published in:
    Journal of Clinical Medicine, 2021, v. 10, n. 14, p. 3108, doi. 10.3390/jcm10143108
    By:
    • Sasaki, Takashi;
    • Takeda, Tsuyoshi;
    • Okamoto, Takeshi;
    • Ozaka, Masato;
    • Sasahira, Naoki
    Publication type:
    Article
    7

    Early Tumor Shrinkage and Depth of Response as Predictors of Survival for Advanced Biliary Tract Cancer: An Exploratory Analysis of JCOG1113.

    Published in:
    Oncologist, 2024, v. 29, n. 1, p. e97, doi. 10.1093/oncolo/oyad220
    By:
    • Okano, Naohiro;
    • Morizane, Chigusa;
    • Okusaka, Takuji;
    • Sadachi, Ryo;
    • Kataoka, Tomoko;
    • Kobayashi, Satoshi;
    • Ikeda, Masafumi;
    • Ozaka, Masato;
    • Mizutani, Tomonori;
    • Sugimori, Kazuya;
    • Todaka, Akiko;
    • Shimizu, Satoshi;
    • Mizuno, Nobumasa;
    • Yamamoto, Tomohisa;
    • Sano, Keiji;
    • Tobimatsu, Kazutoshi;
    • Katanuma, Akio;
    • Gotoh, Kunihito;
    • Yamaguchi, Hironori;
    • Ishii, Hiroshi
    Publication type:
    Article
    8

    Comparing the Efficacy and Safety of Gemcitabine plus Nab-Paclitaxel versus Gemcitabine Alone in Older Adults with Unresectable Pancreatic Cancer.

    Published in:
    Oncologist, 2022, v. 27, n. 10, p. e774, doi. 10.1093/oncolo/oyac157
    By:
    • Kobayashi, Satoshi;
    • Suzuki, Motoko;
    • Ueno, Makoto;
    • Maruki, Yuta;
    • Okano, Naohiro;
    • Todaka, Akiko;
    • Ozaka, Masato;
    • Tsuji, Kunihiro;
    • Shioji, Kazuhiko;
    • Doi, Keitaro;
    • Kojima, Yasushi;
    • Tsumura, Hidetaka;
    • Tanaka, Kazunari;
    • Higuchi, Hajime;
    • Kawabe, Ken;
    • Imaoka, Hiroshi;
    • Yamashita, Tatsuya;
    • Miwa, Haruo;
    • Nagano, Hiroaki;
    • Arima, Shiho
    Publication type:
    Article
    9

    Comparing the Efficacy and Safety of Gemcitabine plus Nab-Paclitaxel versus Gemcitabine Alone in Older Adults with Unresectable Pancreatic Cancer.

    Published in:
    Oncologist, 2022, v. 27, n. 9, p. e774, doi. 10.1093/oncolo/oyac157
    By:
    • Kobayashi, Satoshi;
    • Suzuki, Motoko;
    • Ueno, Makoto;
    • Maruki, Yuta;
    • Okano, Naohiro;
    • Todaka, Akiko;
    • Ozaka, Masato;
    • Tsuji, Kunihiro;
    • Shioji, Kazuhiko;
    • Doi, Keitaro;
    • Kojima, Yasushi;
    • Tsumura, Hidetaka;
    • Tanaka, Kazunari;
    • Higuchi, Hajime;
    • Kawabe, Ken;
    • Imaoka, Hiroshi;
    • Yamashita, Tatsuya;
    • Miwa, Haruo;
    • Nagano, Hiroaki;
    • Arima, Shiho
    Publication type:
    Article
    10

    Multicenter Phase II Trial of Axitinib Monotherapy for Gemcitabine‐Based Chemotherapy Refractory Advanced Biliary Tract Cancer (AX‐BC Study).

    Published in:
    Oncologist, 2021, v. 26, n. 2, p. 97, doi. 10.1002/onco.13547
    By:
    • Okano, Naohiro;
    • Furuse, Junji;
    • Ueno, Makoto;
    • Morizane, Chigusa;
    • Yamanaka, Takeharu;
    • Ojima, Hidenori;
    • Ozaka, Masato;
    • Sasaki, Mitsuhito;
    • Takahara, Naminatsu;
    • Nakai, Yousuke;
    • Kobayashi, Satoshi;
    • Morimoto, Manabu;
    • Hosoi, Hiroko;
    • Maeno, Satoko;
    • Nagashima, Fumio;
    • Ikeda, Masafumi;
    • Okusaka, Takuji
    Publication type:
    Article
    11

    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
    12

    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
    13

    A randomized, double‐blind, phase II study of oral histone deacetylase inhibitor resminostat plus S‐1 versus placebo plus S‐1 in biliary tract cancers previously treated with gemcitabine plus platinum‐based chemotherapy.

    Published in:
    Cancer Medicine, 2021, v. 10, n. 6, p. 2088, doi. 10.1002/cam4.3813
    By:
    • Ueno, Makoto;
    • Morizane, Chigusa;
    • Furukawa, Masayuki;
    • Sakai, Daisuke;
    • Komatsu, Yoshito;
    • Nakai, Yousuke;
    • Tsuda, Masahiro;
    • Ozaka, Masato;
    • Mizuno, Nobumasa;
    • Muto, Manabu;
    • Fukutomi, Akira;
    • Ikeda, Masafumi;
    • Tsuji, Akihito;
    • Katanuma, Akio;
    • Moriwaki, Toshikazu;
    • Kajiwara, Takeshi;
    • Ishii, Hiroshi;
    • Negoro, Yuji;
    • Shimizu, Satoshi;
    • Nemoto, Noriko
    Publication type:
    Article
    14
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    Improved survival with combined gemcitabine and S-1 for locally advanced pancreatic cancer: pooled analysis of three randomized studies.

    Published in:
    Journal of Hepato -- Biliary -- Pancreatic Sciences, 2014, v. 21, n. 10, p. 761, doi. 10.1002/jhbp.130
    By:
    • Yanagimoto, Hiroaki;
    • Ishii, Hiroshi;
    • Nakai, Yousuke;
    • Ozaka, Masato;
    • Ikari, Takaaki;
    • Koike, Kazuhiko;
    • Ueno, Hideki;
    • Ioka, Tatsuya;
    • Satoi, Sohei;
    • Sho, Masayuki;
    • Okusaka, Takuji;
    • Tanaka, Masao;
    • Shimokawa, Toshio;
    • Kwon, A‐Hon;
    • Isayama, Hiroyuki
    Publication type:
    Article
    20
    21

    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
    22
    23
    24

    Randomized phase II study of gemcitabine and S-1 combination versus gemcitabine alone in the treatment of unresectable advanced pancreatic cancer (Japan Clinical Cancer Research Organization PC-01 study).

    Published in:
    Cancer Chemotherapy & Pharmacology, 2012, v. 69, n. 5, p. 1197, doi. 10.1007/s00280-012-1822-1
    By:
    • Ozaka, Masato;
    • Matsumura, Yuji;
    • Ishii, Hiroshi;
    • Omuro, Yasushi;
    • Itoi, Takao;
    • Mouri, Hisatsugu;
    • Hanada, Keiji;
    • Kimura, Yasutoshi;
    • Maetani, Iruru;
    • Okabe, Yoshinobu;
    • Tani, Masaji;
    • Ikeda, Takaaki;
    • Hijioka, Susumu;
    • Watanabe, Ryouhei;
    • Ohoka, Shinya;
    • Hirose, Yuki;
    • Suyama, Masafumi;
    • Egawa, Naoto;
    • Sofuni, Atsushi;
    • Ikari, Takaaki
    Publication type:
    Article
    25

    Outcomes of pancreatic cancer with liver oligometastasis.

    Published in:
    Journal of Hepato -- Biliary -- Pancreatic Sciences, 2023, v. 30, n. 2, p. 229, doi. 10.1002/jhbp.1184
    By:
    • Takeda, Tsuyoshi;
    • Sasaki, Takashi;
    • Okamoto, Takeshi;
    • Kasuga, Akiyoshi;
    • Matsuyama, Masato;
    • Ozaka, Masato;
    • Inoue, Yosuke;
    • Takahashi, Yu;
    • Saiura, Akio;
    • Sasahira, Naoki
    Publication type:
    Article
    26
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    30

    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
    31
    32

    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
    33

    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
    34
    35

    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
    36
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    Impact of clinically diagnosed liver cirrhosis in patients with intrahepatic cholangiocarcinoma treated with systemic chemotherapy: a subgroup analysis of JCOG1113 Open Access.

    Published in:
    Japanese Journal of Clinical Oncology, 2025, v. 55, n. 6, p. 594, doi. 10.1093/jjco/hyaf035
    By:
    • Okada, Mao;
    • Suzuki, Eiichiro;
    • Morizane, Chigusa;
    • Ogawa, Gakuto;
    • Sano, Yusuke;
    • Imaoka, Hiroshi;
    • Kobayashi, Satoshi;
    • Ikeda, Masafumi;
    • Okano, Naohiro;
    • Miwa, Haruo;
    • Todaka, Akiko;
    • Shimizu, Satoshi;
    • Mizuno, Nobumasa;
    • Satoi, Sohei;
    • Sano, Keiji;
    • Tobimatsu, Kazutoshi;
    • Katanuma, Akio;
    • Masutomi, Kenkichi;
    • Okusaka, Takuji;
    • Ozaka, Masato
    Publication type:
    Article
    40

    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
    41

    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
    42

    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
    43

    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
    44
    45

    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
    46

    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
    47

    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
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