Works by Hamasuna, Ryoichi

Results: 36

Outcomes of Sequential Therapy With Minocycline and Sitafloxacin Versus Sitafloxacin Monotherapy for Mycoplasma genitalium Infections.

Published in:

International Journal of Urology, 2025, v. 32, n. 6, p. 767, doi. 10.1111/iju.70046

By:

Kobori, Yoshitomo;
Yoshida, Naoto;
Manda, Kazushi;
Onoe, Yasuhiko;
Hamasuna, Ryoichi

Publication type:

Article

Bilateral Pararenal Lymphatic Cysts Associated with Hypertension.

Published in:

Urologia Internationalis, 1990, v. 45, n. 3, p. 190, doi. 10.1159/000281707

By:

Yamaguchi, Takanori;
Hamasuna, Ryoichi;
Kitada, Shinichiro;
Osada, Yukio;
Asada, Yujiro

Publication type:

Article

Clinical significance of early kinetics of C‑reactive protein in patients with advanced urothelial carcinoma treated with pembrolizumab: Flare response and baseline levels predict oncological outcomes.

Published in:

Oncology Letters, 2024, v. 28, n. 6, p. N.PAG, doi. 10.3892/ol.2024.14736

By:

Tomisaki, Ikko;
Harada, Mirii;
Sakano, Shigeru;
Terado, Michikazu;
Hamasuna, Ryoichi;
Harada, Shuji;
Matsumoto, Hiroomi;
Akasaka, Soichiro;
Nagata, Yujiro;
Minato, Akinori;
Harada, Ken-Ichi;
Fujimoto, Naohiro

Publication type:

Article

Mutations in ParC and GyrA of moxifloxacin-resistant and susceptible Mycoplasma genitalium strains.

Published in:

PLoS ONE, 2018, v. 13, n. 6, p. 1, doi. 10.1371/journal.pone.0198355

By:

Hamasuna, Ryoichi;
Le, Phuong Thi;
Kutsuna, Satoshi;
Furubayashi, Keiichi;
Matsumoto, Masahiro;
Ohmagari, Norio;
Fujimoto, Naohiro;
Matsumoto, Tetsuro;
Jensen, Jorgen Skov

Publication type:

Article

Treatment of acute uncomplicated cystitis with faropenem for 3 days versus 7 days: multicentre, randomized, open-label, controlled trial.

Published in:

2014

By:

Hamasuna, Ryoichi;
Tanaka, Kazushi;
Hayami, Hiroshi;
Yasuda, Mitsuru;
Takahashi, Satoshi;
Kobayashi, Kanao;
Kiyota, Hiroshi;
Yamamoto, Shingo;
Arakawa, Soichi;
Matsumoto, Tetsuro;
Japanese Research Group for UTI (JRGU)

Publication type:

Journal Article

Treatment of acute uncomplicated cystitis with faropenem for 3 days versus 7 days: multicentre, randomized, open-label, controlled trial.

Published in:

Journal of Antimicrobial Chemotherapy (JAC), 2014, v. 69, n. 6, p. 1675

By:

Hamasuna, Ryoichi;
Tanaka, Kazushi;
Hayami, Hiroshi;
Yasuda, Mitsuru;
Takahashi, Satoshi;
Kobayashi, Kanao;
Kiyota, Hiroshi;
Yamamoto, Shingo;
Arakawa, Soichi;
Matsumoto, Tetsuro

Publication type:

Article

Genetic Variation in the Complete MgPa Operon and Its Repetitive Chromosomal Elements in Clinical Strains of Mycoplasma genitalium.

Published in:

PLoS ONE, 2010, v. 5, n. 12, p. 1, doi. 10.1371/journal.pone.0015660

By:

Liang Ma;
Jensen, Jørgen S.;
Mancuso, Miriam;
Hamasuna, Ryoichi;
Qiuyao Jia;
McGowin, Chris L.;
Martin, David H.

Publication type:

Article

In vitro activity and time-kill curve analysis of sitafloxacin against a global panel of antimicrobial-resistant and multidrug-resistant Neisseria gonorrhoeae isolates.

Published in:

APMIS, 2018, v. 126, n. 1, p. 29, doi. 10.1111/apm.12777

By:

Jönsson, Agnez;
Foerster, Sunniva;
Golparian, Daniel;
Hamasuna, Ryoichi;
Jacobsson, Susanne;
Lindberg, Magnus;
Jensen, Jörgen Skov;
Ohnishi, Makoto;
Unemo, Magnus

Publication type:

Article

Azithromycin Treatment Failure in Mycoplasma genitalium-Positive Patients with Nongonococcal Urethritis Is Associated with Induced Macrolide Resistance.

Published in:

Clinical Infectious Diseases, 2008, v. 47, n. 12, p. 1546, doi. 10.1086/593188

By:

Jensen, Jørgen S.;
Bradshaw, Catriona S.;
Tabrizi, Sepehr N.;
Fairley, Christopher K.;
Hamasuna, Ryoichi

Publication type:

Article

A PROSPECTIVE MULTI-INSTITUTIONAL ANALYSIS ACCORDING TO THE "JAPANESE GUIDELINES FOR PREVENTION OF PERIOPERATIVE INFECTIONS IN UROLOGICAL FIELD".

Published in:

Japanese Journal of Urology / Nihon Hinyokika Gakkai Zasshi, 2013, v. 104, n. 3, p. 505, doi. 10.5980/jpnjurol.104.505

By:

Koichiro Wada;
Shinya Uehara;
Shinichiro Kira;
Masahiro Matsumoto;
Takehiko Sho;
Yuichiro Kurimura;
Jiro Hashimoto;
Teruhisa Uehara;
Takashi Yamane;
Sojun Kanamaru;
Yoshikazu Togo;
Rikiya Taoka;
Akira Takahashi;
Yusuke Yamada;
Akira Yokomizo;
Mitsuru Yasuda;
Kazushi Tanaka;
Ryoichi Hamasuna;
Satoshi Takahashi;
Hiroshi Hayami

Publication type:

Article

Clinical efficacy of sitafloxacin 100 mg twice daily for 7 days for patients with non-gonococcal urethritis.

Published in:

Journal of Infection & Chemotherapy (Springer Science & Business Media B.V.), 2013, v. 19, n. 5, p. 941, doi. 10.1007/s10156-013-0620-y

By:

Takahashi, Satoshi;
Hamasuna, Ryoichi;
Yasuda, Mitsuru;
Ito, Shin;
Ito, Kenji;
Kawai, Shuichi;
Yamaguchi, Takamasa;
Satoh, Takashi;
Sunaoshi, Kenichi;
Takeda, Koichi;
Suzuki, Nobukazu;
Maeda, Shinichi;
Nishimura, Hirofumi;
Fukuda, Souichirou;
Matsumoto, Tetsuro

Publication type:

Article

Nationwide surveillance of the antimicrobial susceptibility of Neisseria gonorrhoeae from male urethritis in Japan.

Published in:

Journal of Infection & Chemotherapy (Springer Science & Business Media B.V.), 2013, v. 19, n. 4, p. 571, doi. 10.1007/s10156-013-0637-2

By:

Hamasuna, Ryoichi;
Yasuda, Mitsuru;
Ishikawa, Kiyohito;
Uehara, Shinya;
Takahashi, Satoshi;
Hayami, Hiroshi;
Yamamoto, Shingo;
Matsumoto, Tetsuro;
Minamitani, Shinichi;
Watanabe, Akira;
Iwamoto, Aikichi;
Totsuka, Kyoichi;
Kadota, Junichi;
Sunakawa, Keisuke;
Sato, Junko;
Hanaki, Hideaki;
Tsukamoto, Taiji;
Kiyota, Hiroshi;
Egawa, Shin;
Tanaka, Kazushi

Publication type:

Article

Nationwide surveillance of bacterial pathogens from patients with acute uncomplicated cystitis conducted by the Japanese surveillance committee during 2009 and 2010: antimicrobial susceptibility of Escherichia coli and Staphylococcus saprophyticus.

Published in:

Journal of Infection & Chemotherapy (Springer Science & Business Media B.V.), 2013, v. 19, n. 3, p. 393, doi. 10.1007/s10156-013-0606-9

By:

Hayami, Hiroshi;
Takahashi, Satoshi;
Ishikawa, Kiyohito;
Yasuda, Mitsuru;
Yamamoto, Shingo;
Uehara, Shinya;
Hamasuna, Ryoichi;
Matsumoto, Tetsuro;
Minamitani, Shinichi;
Watanabe, Akira;
Iwamoto, Aikichi;
Totsuka, Kyoichi;
Kadota, Junichi;
Sunakawa, Keisuke;
Sato, Junko;
Hanaki, Hideaki;
Tsukamoto, Taiji;
Kiyota, Hiroshi;
Egawa, Shin;
Tanaka, Kazushi

Publication type:

Article

Identification of treatment strategies for Mycoplasma genitalium-related urethritis in male patients by culturing and antimicrobial susceptibility testing.

Published in:

Journal of Infection & Chemotherapy (Springer Science & Business Media B.V.), 2013, v. 19, n. 1, p. 1, doi. 10.1007/s10156-012-0487-3

By:

Hamasuna, Ryoichi

Publication type:

Article

A randomized clinical trial to evaluate the preventive effect of cranberry juice (UR65) for patients with recurrent urinary tract infection.

Published in:

Journal of Infection & Chemotherapy (Springer Science & Business Media B.V.), 2013, v. 19, n. 1, p. 112, doi. 10.1007/s10156-012-0467-7

By:

Takahashi, Satoshi;
Hamasuna, Ryoichi;
Yasuda, Mitsuru;
Arakawa, Soichi;
Tanaka, Kazushi;
Ishikawa, Kiyohito;
Kiyota, Hiroshi;
Hayami, Hiroshi;
Yamamoto, Shingo;
Kubo, Tatsuhiko;
Matsumoto, Tetsuro

Publication type:

Article

Sensitivities of major causative organisms isolated from patients with acute uncomplicated cystitis against various antibacterial agents: results of subanalysis based on the presence of menopause.

Published in:

Journal of Infection & Chemotherapy (Springer Science & Business Media B.V.), 2012, v. 18, n. 4, p. 597, doi. 10.1007/s10156-012-0419-2

By:

Matsumoto, Tetsuro;
Hamasuna, Ryoichi;
Ishikawa, Kiyohito;
Takahashi, Satoshi;
Yasuda, Mitsuru;
Hayami, Hiroshi;
Tanaka, Kazushi;
Muratani, Tetsuro;
Monden, Koichi;
Arakawa, Soichi;
Yamamoto, Shingo

Publication type:

Article

Should urologists care for the pharyngeal infection of Neisseria gonorrhoeae or Chlamydia trachomatis when we treat male urethritis?

Published in:

2012

By:

Hamasuna, Ryoichi;
Takahashi, Satoshi;
Uehara, Shinya;
Matsumoto, Tetsuro

Publication type:

Editorial

Japanese guideline for clinical research of antimicrobial agents on urogenital infections: the first edition.

Published in:

Journal of Infection & Chemotherapy (Springer Science & Business Media B.V.), 2011, v. 17, n. 4, p. 579, doi. 10.1007/s10156-010-0193-y

By:

Yasuda, Mitsuru;
Takahashi, Satoshi;
Kiyota, Hiroshi;
Ishikawa, Kiyohito;
Takahashi, Akira;
Yamamoto, Shingo;
Arakawa, Soichi;
Monden, Koichi;
Muratani, Tetsuro;
Hamasuna, Ryoichi;
Hayami, Hiroshi;
Matsumoto, Tetsuro

Publication type:

Article

Efficacy of Prophylactic Antimicrobial Administration of Tazobactam/Piperacillin for Radical Cystectomy with Urinary Diversion: A Multicenter Study.

Published in:

Urologia Internationalis, 2019, v. 102, n. 3, p. 293, doi. 10.1159/000496209

By:

Shigemura, Katsumi;
Tanaka, Kazushi;
Hamasuna, Ryoichi;
Ishikawa, Kiyohito;
Matsumoto, Tetsuro;
Arakawa, Soichi;
Kiyota, Hiroshi;
Yamamoto, Shingo;
Fujisawa, Masato

Publication type:

Article

Carcinoembryonic Antigen and Carbohydrate Antigen 19-9-Producing Adenocarcinoma of the Prostate: Report of an Autopsy Case.

Published in:

Urologia Internationalis, 1999, v. 63, n. 3, p. 193, doi. 10.1159/000030446

By:

Kodama, Susumu;
Itoh, Hiroshi;
Ide, Hisamitsu;
Kataoka, Hiroaki;
Takehara, Toshiyuki;
Nagano, Masashi;
Hamasuna, Ryoichi;
Koono, Masashi;
Osada, Yukio

Publication type:

Article

Prevalence and risk factors of asymptomatic chlamydial infection among students in Japan.

Published in:

International Journal of STD & AIDS, 2004, v. 15, n. 6, p. 408, doi. 10.1258/095646204774195272

By:

Imai, Hirohisa;
Shinohara, Hisae;
Nakao, Hiroyuki;
Tsukino, Hiromasa;
Hamasuna, Ryoichi;
Katoh, Takahiko

Publication type:

Article

Retroperitoneal bronchogenic cyst: Report of a case and literature review.

Published in:

Pathology International, 1999, v. 49, n. 2, p. 152, doi. 10.1046/j.1440-1827.1999.00837.x

By:

Itoh, Hiroshi;
Shitamura, Takahiro;
Kataoka, Hiroaki;
Ide, Hisamitsu;
Akiyama, Yutaka;
Hamasuna, Ryoichi;
Hasui, Yoshihiro;
Osada, Yukio;
Koono, Masashi

Publication type:

Article

Usefulness of oral wash specimens for detecting Chlamydia trachomatis from high-risk groups in Japan.

Published in:

International Journal of Urology, 2007, v. 14, n. 5, p. 473, doi. 10.1111/j.1442-2042.2006.01733.x

By:

Hamasuna, Ryoichi;
Hoshina, Shinji;
Imai, Hirohisa;
Jensen, Jørgen Skov;
Osada, Yukio

Publication type:

Article

Bacteria of preoperative urinary tract infections contaminate the surgical fields and develop surgical site infections in urological operations.

Published in:

International Journal of Urology, 2004, v. 11, n. 11, p. 941, doi. 10.1111/j.1442-2042.2004.00941.x

By:

Hamasuna, Ryoichi;
Betsunoh, Hironori;
Sueyoshi, Tetsuya;
Yakushiji, Kazumichi;
Tsukino, Hiromasa;
Nagano, Masafumi;
Takehara, Toshiyuki;
Osada, Yukio

Publication type:

Article

Superior vena cava syndrome due to metastasis from urothelial cancer: A case report and literature review.

Published in:

2013

By:

Hironobu Wakeda;
Ryoichi Hamasuna;
Yujiro Asada;
Toshiyuki Kamoto

Publication type:

Case Study

Differential impact of proton pump inhibitor on survival outcomes of patients with advanced urothelial carcinoma treated with chemotherapy versus pembrolizumab.

Published in:

International Journal of Urology, 2023, v. 30, n. 9, p. 738, doi. 10.1111/iju.15151

By:

Tomisaki, Ikko;
Harada, Mirii;
Sakano, Shigeru;
Terado, Michikazu;
Hamasuna, Ryoichi;
Harada, Shuji;
Matsumoto, Hiroomi;
Akasaka, Soichiro;
Nagata, Yujiro;
Minato, Akinori;
Harada, Ken‐ichi;
Fujimoto, Naohiro

Publication type:

Article

Guidelines for Infection Control in the Urological Field, including Urinary Tract Management (revised second edition).

Published in:

International Journal of Urology, 2021, v. 28, n. 12, p. 1198, doi. 10.1111/iju.14684

By:

Takahashi, Satoshi;
Arakawa, Soichi;
Ishikawa, Kiyohito;
Kamei, Jun;
Kobayashi, Kanao;
Shigemura, Katsumi;
Takahashi, Satoru;
Hiyama, Yoshiki;
Hamasuna, Ryoichi;
Hayami, Hiroshi;
Yazawa, Satoshi;
Yasuda, Mitsuru;
Togo, Yoshikazu;
Yamamoto, Shingo;
Wada, Koichiro;
Watanabe, Toyohiko

Publication type:

Article

Comparison of single‐ and multiple‐dose cefazolin as prophylaxis for transurethral enucleation of prostate: A multicenter, prospective, randomized controlled trial by the Japanese Research Group for Urinary Tract Infection.

Published in:

International Journal of Urology, 2020, v. 27, n. 3, p. 244, doi. 10.1111/iju.14181

By:

Togo, Yoshikazu;
Fukui, Koji;
Ueda, Yasuo;
Kanamaru, Sojun;
Shimizu, Yosuke;
Wada, Koichiro;
Sadahira, Takuya;
Yamada, Yusuke;
Matsumoto, Masahiro;
Hamasuna, Ryoichi;
Ishikawa, Kiyohito;
Takai, Manabu;
Maekawa, Yuka;
Yasuda, Mitsuru;
Kokura, Koji;
Kondoh, Nobuyuki;
Takiuchi, Hidekazu;
Yamamoto, Shingo

Publication type:

Article

Summary of the UAA‐AAUS guidelines for urinary tract infections.

Published in:

International Journal of Urology, 2018, v. 25, n. 3, p. 175, doi. 10.1111/iju.13493

By:

the Committee for Development of the UAA‐AAUS Guidelines for UTI and STI;
Choe, Hyun‐Sop;
Lee, Seung‐Ju;
Yang, Stephen S.;
Hamasuna, Ryoichi;
Matsumoto, Tetsuro;
Yamamoto, Shingo;
Cho, Yong‐Hyun

Publication type:

Article

Essential Japanese guidelines for the prevention of perioperative infections in the urological field: 2015 edition.

Published in:

International Journal of Urology, 2016, v. 23, n. 10, p. 814, doi. 10.1111/iju.13161

By:

Yamamoto, Shingo;
Shigemura, Katsumi;
Kiyota, Hiroshi;
Wada, Koichiro;
Hayami, Hiroshi;
Yasuda, Mitsuru;
Takahashi, Satoshi;
Ishikawa, Kiyohito;
Hamasuna, Ryoichi;
Arakawa, Soichi;
Matsumoto, Tetsuro;
Kurimura, Yuichiro;
Hashimoto, Jiro;
Uehara, Teruhisa;
Hiyama, Yoshiki;
Miyazaki, Jun;
Yazawa, Satoshi;
Kusaka, Mamoru;
Deguchi, Takashi;
Taoka, Rikiya

Publication type:

Article

Obstructive pyelonephritis as a result of urolithiasis in Japan: Diagnosis, treatment and prognosis.

Published in:

International Journal of Urology, 2015, v. 22, n. 3, p. 294, doi. 10.1111/iju.12666

By:

Hamasuna, Ryoichi;
Takahashi, Satoshi;
Nagae, Hiroshi;
Kubo, Tatsuhiko;
Yamamoto, Shingo;
Arakawa, Soichi;
Matsumoto, Tetsuro

Publication type:

Article

Nationwide survey of urogenital tuberculosis in Japan.

Published in:

International Journal of Urology, 2014, v. 21, n. 11, p. 1171, doi. 10.1111/iju.12549

By:

Nakane, Keita;
Yasuda, Mitsuru;
Deguchi, Takashi;
Takahashi, Satoshi;
Tanaka, Kazushi;
Hayami, Hiroshi;
Hamasuna, Ryoichi;
Yamamoto, Shingo;
Arakawa, Soichi;
Matsumoto, Tetsuro

Publication type:

Article

Mycoplasma genitalium in male urethritis: Diagnosis and treatment in Japan.

Published in:

International Journal of Urology, 2013, v. 20, n. 7, p. 676, doi. 10.1111/iju.12152

By:

Hamasuna, Ryoichi

Publication type:

Article

Editorial Comment from Dr Hamasuna to Prevalence of genital mycoplasmas and ureaplasmas in men younger than 40 years-of-age with acute epididymitis.

Published in:

International Journal of Urology, 2012, v. 19, n. 3, p. 239, doi. 10.1111/j.1442-2042.2011.02927.x

By:

Hamasuna, Ryoichi

Publication type:

Article

Current controversial issues in the decontamination process for urological endoscopes.

Published in:

International Journal of Urology, 2012, v. 19, n. 1, p. 5, doi. 10.1111/j.1442-2042.2011.02871.x

By:

Yanaihara, Hitoshi;
Hamasuna, Ryoichi;
Takahashi, Satoshi;
Yamamoto, Shingo;
Arakawa, Soichi;
Ishikawa, Satoru;
Matsumoto, Tetsuro

Publication type:

Article

Guideline for the prevention of health care-associated infection in urological practice in Japan.

Published in:

2011

By:

Hamasuna, Ryoichi;
Takahashi, Satoshi;
Yamamoto, Shingo;
Arakawa, Soichi;
Yanaihara, Hitoshi;
Ishikawa, Satoru;
Matsumoto, Tetsuro

Publication type:

Editorial