Kentaro Sakamaki - My portal

Profile Information

Affiliation: Yokohama City University

Degree: 博士（保健学）(Mar, 2012, 東京大学大学院)

J-GLOBAL ID: 201201031657074710
researchmap Member ID: 7000002426

Research Interests

Research Areas

Informatics / Statistical science /

Research History

Apr, 2019 - Present

Project Associate Professor, Center for Data Science, Yokohama City University
Apr, 2017 - Mar, 2019

Department of Biostatistics and Bioinformatics, Graduate School of Medicine, The University of Tokyo
Apr, 2012 - Mar, 2017

Department of Biostatistics, Yokohama City University Medical Center

Papers

152

Definitions and elements of endpoints in phase III randomized trials for the treatment of COVID-19: a cross-sectional analysis of trials registered in ClinicalTrials.gov.

Kentaro Sakamaki, Yukari Uemura, Yosuke Shimizu

Trials, 22(1) 788-788, Nov 8, 2021
Optimal adaptive allocation using deep reinforcement learning in a dose-response study.

Kentaro Matsuura, Junya Honda, Imad El Hanafi, Takashi Sozu, Kentaro Sakamaki

Statistics in medicine, Nov 7, 2021
Guide for Surgical Procedures in Oral And Maxillofacial Areas during Coronavirus Disease 2019 Pandemic.

Kazuto Hoshi, Tetsuro Ikebe, Yoshihide Ota, Hiromitsu Kishimoto, Takeshi Kurata, Hiroshi Kurita, Kentaro Sakamaki, Toshihiko Takenobu, Sohei Harada, Toru Ogasawara, Kanchu Tei, Tadaaki Kirita

Journal of oral and maxillofacial surgery, medicine, and pathology, Oct 28, 2021
Survival analysis of a prospective multicenter observational study on surgical palliation among patients with malignant bowel obstruction caused by peritoneal dissemination of gastric cancer.

Ryohei Kawabata, Kazumasa Fujitani, Kentaro Sakamaki, Masahiko Ando, Yuichi Ito, Yutaka Tanizawa, Takanobu Yamada, Motohiro Hirao, Makoto Yamada, Jun Hihara, Ryoji, Fukushima, Yasuhiro Choda, Yasuhiro Kodera, Shin Teshima, Hisashi Shinohara, Masato Kondo, Kazuhiro Yoshida

Gastric cancer : official journal of the International Gastric Cancer Association and the Japanese Gastric Cancer Association, Sep 22, 2021
Multiparametric US for Identifying Patients with High-Risk NASH: A Derivation and Validation Study.

Katsutoshi Sugimoto, Dong Ho Lee, Jae Young Lee, Su Jong Yu, Fuminori Moriyasu, Kentaro Sakamaki, Hisashi Oshiro, Hiroshi Takahashi, Tatsuya Kakegawa, Yusuke Tomita, Masakazu Abe, Yu Yoshimasu, Hirohito Takeuchi, Byung Ihn Choi, Takao Itoi

Radiology, 301(3) 210046-210046, Sep 14, 2021
Clinical Significance of PLA2G2A Expression in Gastric Cancer Patients who Receive Gastrectomy and Adjuvant S-1.

Shinsuke Hatori, Kentaro Sakamaki, Takehiko Yokohori, Yayoi Kimura, Yukihiko Hiroshima, Itaru Hashimoto, Keisuke Komori, Hayato Watanabe, Kazuki Kano, Hirohito Fujikawa, Toru Aoyama, Masakatsu Numata, Takanobu Yamada, Hiroshi Tamagawa, Naoto Yamamoto, Takashi Ogata, Manabu Shizawa, Norio Yukawa, Soichiro Morinaga, Yasushi Rino, Munetaka Masuda, Hiroshi Saeki, Yohei Miyagi, Takashi Oshima

Anticancer research, 41(7) 3583-3588, Jul, 2021
Magnetically Guided Localization Using a Guiding-Marker System® and a Handheld Magnetic Probe for Nonpalpable Breast Lesions: A Multicenter Feasibility Study in Japan.

Tomoko Kurita, Kanae Taruno, Seigo Nakamura, Hiroyuki Takei, Katsutoshi Enokido, Takashi Kuwayama, Yoko Kanada, Sadako Akashi-Tanaka, Misaki Matsuyanagi, Meishi Hankyo, Keiko Yanagihara, Takashi Sakatani, Kentaro Sakamaki, Akihiro Kuwahata, Masaki Sekino, Moriaki Kusakabe

Cancers, 13(12), Jun 11, 2021
Validation of tissue factor pathway inhibitor 2 as a specific biomarker for preoperative prediction of clear cell carcinoma of the ovary.

Etsuko Miyagi, Noriaki Arakawa, Kentaro Sakamaki, Naho Ruiz Yokota, Takeharu Yamanaka, Yuki Yamada, Satoshi Yamaguchi, Shoji Nagao, Yasuyuki Hirashima, Yuka Kasamatsu, Hisamori Kato, Tae Mogami, Yohei Miyagi, Hiroshi Kobayashi

International journal of clinical oncology, 26(7) 1336-1344, May 19, 2021
Prospective cohort study of febrile neutropenia in breast cancer patients administered with neoadjuvant and adjuvant chemotherapies: CSPOR-BC FN study.

Takashi Ishikawa, Kentaro Sakamaki, Kazutaka Narui, Hideki Nishimura, Takafumi Sangai, Kentaro Tamaki, Yoshie Hasegawa, Ken-Ichi Watanabe, Nobuyasu Suganuma, Shintaro Michishita, Sadatoshi Sugae, Tomohiko Aihara, Koichiro Tsugawa, Hirose Kaise, Naruto Taira, Hirofumi Mukai

Breast (Edinburgh, Scotland), 56 70-77, Apr, 2021
QOL assessment after palliative surgery for malignant bowel obstruction caused by peritoneal dissemination of gastric cancer: a prospective multicenter observational study

Yuichi Ito, Kazumasa Fujitani, Kentaro Sakamaki, Masahiko Ando, Ryohei Kawabata, Yutaka Tanizawa, Takaki Yoshikawa, Takanobu Yamada, Motohiro Hirao, Makoto Yamada, Jun Hihara, Ryoji Fukushima, Yasuhiro Choda, Yasuhiro Kodera, Shin Teshima, Hisashi Shinohara, Masato Kondo

Gastric Cancer, 24(5) 1131-1139, Mar 31, 2021
Sofosbuvir-based therapies associated with regression of liver fibrosis in patients with hepatitis C virus infection: A prospective observational study.

Akito Nozaki, Makoto Chuma, Koji Hara, Satoshi Moriya, Hiroyuki Fukuda, Kazushi Numata, Katsuaki Tanaka, Manabu Morimoto, Kentaro Sakamaki, Takeharu Yamanaka, Masaaki Kondo, Shin Maeda

Medicine, 100(12) e25110, Mar 26, 2021
Drain Placement After Uncomplicated Hepatic Resection Increases Severe Postoperative Complication Rate: A Japanese Multi-institutional Randomized Controlled Trial (ND-trial).

Junichi Arita, Kentaro Sakamaki, Akio Saiura, Masaru Konishi, Yoshihiro Sakamoto, Masaji Hashimoto, Tsuyoshi Sano, Katsuhiko Uesaka, Norihiro Kokudo, Takeharu Yamanaka, Kazuaki Shimada

Annals of surgery, 273(2) 224-231, Feb 1, 2021
Multicentre randomised phase II study of the perioperative administration of flurbiprofen axetil in patients with non-small cell lung cancer: study protocol of the FLAX Study.

Kentaro Sakamaki, Katsuya Watanabe, Tetsukan Woo, Munetaka Masuda

BMJ open, 10(11) e040969, Nov 30, 2020
Impact of the micropapillary component on the timing of recurrence in patients with resected lung adenocarcinoma.

Katsuya Watanabe, Kentaro Sakamaki, Hiroyuki Ito, Tomoyuki Yokose, Kozo Yamada, Haruhiko Nakayama, Munetaka Masuda

European journal of cardio-thoracic surgery : official journal of the European Association for Cardio-thoracic Surgery, 58(5) 1010-1018, Nov 1, 2020
Grading Severity and Bother Using the International Prostate Symptom Score and International Consultation on Incontinence Questionnaire Male Lower Urinary Tract Symptoms Score in Men Seeking Lower Urinary Tract Symptoms Therapy.

Hiroki Ito, Grace J Young, Amanda L Lewis, Peter S Blair, Nikki Cotterill, J Athene Lane, Kentaro Sakamaki, Marcus J Drake, Paul Abrams

The Journal of urology, 204(5) 1003-1011, Nov, 2020
Reply by Authors.

Hiroki Ito, Grace J Young, Amanda L Lewis, Peter S Blair, Nikki Cotterill, J Athene Lane, Kentaro Sakamaki, Marcus J Drake, Paul Abrams

The Journal of urology, 204(5) 1011-1011, Nov, 2020
Reply to authors.

Isao Yokota, Kentaro Sakamaki, Peter Y Shane, Takanori Teshima

Clinical infectious diseases : an official publication of the Infectious Diseases Society of America, 73(11) e3986-e3987, Oct 26, 2020
Mass screening of asymptomatic persons for SARS-CoV-2 using saliva.

Isao Yokota, Peter Y Shane, Kazufumi Okada, Yoko Unoki, Yichi Yang, Tasuku Inao, Kentaro Sakamaki, Sumio Iwasaki, Kasumi Hayasaka, Junichi Sugita, Mutsumi Nishida, Shinichi Fujisawa, Takanori Teshima

Clinical infectious diseases : an official publication of the Infectious Diseases Society of America, 73(3) e559-e565, Sep 25, 2020
Multiplicity Adjustment and Sample Size Calculation in Clinical Trials with Multiple Endpoints: An Industry Survey of Current Practices in Japan.

Kentaro Sakamaki, Yusuke Morita, Katsuhiro Iba, Toshifumi Kamiura, Seitaro Yoshida, Naoyuki Ogawa, Hideki Suganami, Satoru Tsuchiya, Satoru Fukimbara

Therapeutic innovation & regulatory science, 54(5) 1097-1105, Sep, 2020
Primary results of a randomized two-by-two factorial phase II trial comparing neoadjuvant chemotherapy with two and four courses of cisplatin/S-1 and docetaxel/cisplatin/S-1 as neoadjuvant chemotherapy for advanced gastric cancer.

Tsutomu Hayashi, Takaki Yoshikawa, Kentaro Sakamaki, Kazuhiro Nishikawa, Kazumasa Fujitani, Kazuaki Tanabe, Kazunari Misawa, Takanori Matsui, Akira Miki, Hiroshi Nemoto, Tetsu Fukunaga, Yutaka Kimura, Jun Hihara

Annals of gastroenterological surgery, 4(5) 540-548, Sep, 2020

Misc.

高度催吐性がん化学療法(HEC)に対する制吐療法NK1受容体拮抗薬(NK-1RA)+パロノセトロン(Palo)+デキサメタゾン(DEX)3日対1日の多施設共同III相試験

伊藤由香, 松崎邦弘, 太田一郎, 立石朝子, 徳田裕, 成井一隆, 坪谷綾子, 須田嵩, 坂巻顕太郎, 安藤昌彦, 朴成和, 中島貴子

聖マリアンナ医科大学雑誌, 45(1) 65-65, May, 2017
腎専門医診療施設における慢性腎臓病(CKD)から末期腎不全(ESKF)発症の臨床予後予測モデル(CPM)

長谷川毅, 坂巻顕太郎, 小岩文彦, 秋澤忠男, 菱田明

日本腎臓学会誌, 59(3) 266, Apr 25, 2017
Alternative Follow-Up Methods Based on Recurrence Patterns after Surgery for Non-Small Cell Lung Cancer

Katsuya Watanabe, Kentaro Sakamaki, Teppei Nishii, Atsuo Gorai, Taketsugu Yamamoto, Takuya Nagashima, Kohei Ando, Yoshihiro Ishikawa, Tetsukan Woo, Hiroyuki Adachi, Yutaka Kumakiri, Takamitsu Maehara, Haruhiko Nakayama, Munetaka Masuda

JOURNAL OF THORACIC ONCOLOGY, 12(1) S245-S246, Jan, 2017
乳腺専用PET(PEM)による乳腺化学療法の評価

則武睦未, 関川善二郎, 菅江貞亨, 成井一隆, 坂巻顕太郎, 田辺美樹子, 井上登美夫, 石川孝

核医学, 53(Suppl.) S282-S282, Oct, 2016
Symptomatic heart disease (SHD) caused by radiotherapy for esophageal cancer

61(9) 1105-1113, Sep, 2016
Current Status of Management of Febrile Neutropenia in Chemotherapy for Solid Tumors

Takashi Ishikawa, Kazutaka Narui, Hiroshi Kaise, Koichiro Tsugawa, Yasushi Ichikawa, Kentaro Sakamaki, Hirofumi Mukai

ANNALS OF ONCOLOGY, 27, Jul, 2016
Stratification markers for the risk of recurrence after curative resection of stage II or III gastric cancer and potential clinical applications

Takashi Oshima, Yayoi Kimura, Kentaro Sakamaki, Yohei Miyagi, Takaki Yoshikawa, Yasushi Rino, Kazuhiro Sentani, Naohide Oue, Wataru Yasui, Toshio Imada, Munetaka Munetaka

CANCER RESEARCH, 76, Jul, 2016
CLINICAL PREDICTION MODELS FOR PROGRESSION OF CHRONIC KIDNEY DISEASE TO END STAGE KIDNEY FAILURE UNDER PREDIALYSIS NEPHROLOGY CARE: RESULTS FROM THE CHRONIC KIDNEY DISEASE JAPAN COHORT STUDY

Takeshi Hasegawa, Kentaro Sakamaki, Fumihiko Koiwa, Tadao Akizawa

NEPHROLOGY DIALYSIS TRANSPLANTATION, 31 1439-1439, May, 2016
Effects of perioperative enteral EPA-enriched immunonutrition on meaningful loss of lean body mass after total gastrectomy for gastric cancer: Post hoc analysis of a phase III study

Takaki Yoshikawa, Naoki Hiki, Kentaro Sakamaki, Seiji Ito, Kazumasa Fujitani, Nobuhiro Takiguchi, Yoshiyuki Kawashima, Kazuhiro Nishikawa, Mitsuru Sasako, Satoshi Ida, Toru Aoyama, Michitaka Honda, Tsutomu Sato, Souya Nunobe, Takashi Ogata, Haruhiko Cho

JOURNAL OF CLINICAL ONCOLOGY, 34(4), Feb, 2016
Assessment of recurrence risk stratification markers after curative resection of stage II or III gastric cancer and potential clinical applications

Takashi Oshima, Kentaro Sakamaki, Yohei Miyagi, Manabu Shiozawa, Chikara Kunisaki, Takaki Yoshikawa, Yasushi Rino, Toshio Imada, Munetaka Masuda

CANCER RESEARCH, 75, Aug, 2015
Stratification markers for the risk of recurrence after curative resection of stage II or III gastric cancer and potential clinical applications.

Takashi Oshima, Kentaro Sakamaki, Yohei Miyagi, Takaki Yoshikawa, Manabu Shiozawa, Haruhiko Cho, Yasushi Rino, Chikara Kunisaki, Akira Tsuburaya, Toshio Imada, Munetaka Masuda

JOURNAL OF CLINICAL ONCOLOGY, 33(15), May, 2015
COMPARISON BETWEEN WHOLE MOUNT TISSUE PREPARATIONS AND VIRTUAL TISSUE MICROARRAY SAMPLES FOR MEASUREMENT OF KI-67 AND APOPTOSIS INDICES IN HUMAN BLADDER CANCERS

Hisashi Oshiro, Bogdan Czerniak, Kentaro Sakamaki, Koji Tsuta, Jolanta Bondaruk, Afsaneh Keyhani, Colin Dinney, Takeshi Nagai, Ashish Kamat

JOURNAL OF UROLOGY, 193(4) E537-E537, Apr, 2015
THE CIRCULATING PIGMENT EPITHELIUM DERIVED FACTOR (PEDF) IS ASSOCIATED WITH PATHOLOGICAL GRADE OF PROSTATE CANCER

Hisamitsu Ide, Sho-ichi Yamagishi, Yan Lu, Kentaro Sakamaki, Raizo Yamaguchi, Satoru Muto, Shigeo Horie

JOURNAL OF UROLOGY, 191(4) E857-E858, Apr, 2014
Prediction of nodal metastasis in clinical T1 gastric cancer

Hirohito Fujikawa, Kentaro Sakamaki, Taiichi Kawabe, Tsutomu Hayashi, Toru Aoyama, Takehiro Wakasugi, Shinichi Hasegawa, Tsutomu Sato, Haruhiko Cho, Yousuke Makuuchi, Takashi Ogata, Takashi Oshima, Yasushi Rino, Munetaka Masuda, Takaki Yoshikawa

JOURNAL OF CLINICAL ONCOLOGY, 32(3), Jan, 2014