Division of Fostering Required Medical Human Resources

Infection Control Team

Team Leader

Team Leader

SADA Ryuichi

Status : Endowed Chair Assoc. Prof.
Research Field : Infectious disases, Rheumatology, General practice

I graduated the Osaka-city university. After the training of junior resident and senior resident in Saku general hosital, I have been worked at Tenri hospital and Kameda medical center as a clinician-educator. In April 2022, I transfered to the Department of Transformative Protection to Infectious Disease, Osaka University Graduate School of Medicine. We have been and will continue to be involved in pre- and post-graduate medical education, case reporting in clinical settings, and clinical research on diagnosis, treatment and management of infectious diseases.
Board Certified Fellow of the Japanese Association for Infectious Diseases
Board Certified Fellow of The Japan Collage of Rheumatology
Board Certified Fellow/trainer of The Japanese Society of Internal Medicine

Research Activities

・Case reporting in clinical settings

・Clinical research on diagnosis, treatment and management of infectious diseases.


1.Sada R, Fukuda S, Ishimaru H. Toxic shock syndrome due to community-acquired methicillin-resistant Staphylococcus aureus infection: Two case reports and a literature review in Japan. IDCases. 2017 Apr 25;8:77-80.

2.Nakajima K, Akebo H, Tsugihashi Y, Ishimaru H, Sada R. Association of physician experience with a higher prescription rate of anti-influenza agents in low-risk patients. Intern Emerg Med. 2021 Aug;16(5):1215-1221.

3.Tsujimoto H, Kataoka Y, Sato Y, Banno M, Tsujino-Tsujimoto E, Sumi Y, Sada R, Fujiwara T, Ohtake Y, Kumasawa J, Imura H, Matsuda Y, So R, Kagawa T, Yoshioka T, Uneno Y, Nagano H, Akazawa M, Hozumi T, Tsujimoto Y. A model six-month workshop for developing systematic review protocols at teaching hospitals: action research and scholarly productivity. BMC Med Educ. 2021 Feb 10;21(1):98.

4.Hasegawa S, Sada R, Yaegashi M, Morimoto K, Mori T; Adult Pneumonia Study Group-Japan. 1g versus 2g daily intravenous ceftriaxone in the treatment of community onset pneumonia - a propensity score analysis of data from a Japanese multicenter registry. BMC Infect Dis. 2019 Dec 26;19(1):1079.

5.Urano Y, Saito S, Machimoto T, Tsugihashi Y, Ishimaru H, Akebo H, Sada R. Differences in clinical and cost-effectiveness between cefmetazole and flomoxef for the prevention of surgical site infection in elective colorectal surgery: A single-center, retrospective cohort study. J Infect Chemother. 2022 Apr;28(4):510-515.

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