Toshihiro Koyama

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Associate Professor

Okayama University Graduate School of Medicine, Dentistry and Pharmaceutical Sciences

Japan

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About

Toshihiro Koyama is an Associate Professor at the Graduate School of Medicine, Dentistry, and Pharmaceutical Sciences at Okayama University, Japan. His research areas encompass trends in mortality related to nontuberculous mycobacterial disease, idiopathic pulmonary fibrosis, and biliary tract cancer, as well as adverse drug events. He has also investigated the effectiveness of educational systems in improving hand hygiene practices and the impact of antimicrobial stewardship activities. His recent studies contribute to a comprehensive understanding of health trends based on extensive global mortality data.

Recent Grants

Grant: Close

Clinical epidemiological research on the structure of disease in older people's healthcare using healthcare data science.

Open Date: 2022-04-01

Close Date: 2025-03-01

Grant: Close

医療データサイエンスによる高齢者医療の疾病構造に関する臨床疫学研究

Open Date: 2022-04-01

Close Date: 2025-03-31

Grant: Close

シナジー効果探索手法の構築と医療情報データベースへの適用

Open Date: 2020-10-02

Close Date: 2023-03-31

Grant: Close

Synergy pharmaceutical science: understanding and design of compound combination effects by integrating information, material, and life sciences

Open Date: 2020-10-01

Close Date: 2023-03-01

Grant: Close

An epidemiological study of the impact of medical policy on antibiotic prescriptions for acute upper respiratory tract infection and acute diarrhea in pediatric outpatients.

Open Date: 2019-12-01

Close Date: 2020-06-01

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Collaborators (3)

Masachika Fujiyoshi

Associate Professor, Vice director

Tohoku University Hospital

JAPAN

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Tsukasa Higashionna

Okayama Daigaku Daigakuin Ishiyakugaku Sogo Kenkyuka Igakubu

JAPAN

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Hideharu Hagiya

JAPAN

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Toshihiro Koyama

Research Interests

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About

Recent Grants

Articles (20)

Trends in nontuberculous mycobacterial disease mortality based on 2000-2022 data from 83 countries

Global trends in idiopathic pulmonary fibrosis mortality rates during 2001–2022

Comprehensive analysis of adverse event profile changes with pertuzumab addition to trastuzumab‐based breast cancer therapy: Disproportionality analysis using VigiBase

Effectiveness of sensing gloves–applied virtual reality education system on hand hygiene practice: A randomized controlled trial

Impact of full-time equivalent allocation on the effectiveness of antimicrobial stewardship activities: A multicenter study in Okayama, Japan

International trends in biliary tract cancer-related mortality, 2000–2022: An observational study of the World Health Organization mortality database

Burden of depressive disorders in Vietnam from 1990 to 2019: A secondary analysis of the Global Burden of Disease Study 2019

Changes in the place of death before and during the COVID-19 pandemic in Japan.

Trends in the Incidence of Disseminated Cryptococcosis in Japan: A Nationwide Observational Study, 2015-2021.

Significance of UGT1A6, UGT1A9, and UGT2B7 genetic variants and their mRNA expression in the clinical outcome of renal cell carcinoma

Global trends of seasonal influenza-associated mortality in 2001–2018: A longitudinal epidemiological study

Association between immune checkpoint inhibitor‐induced myocarditis and concomitant use of thiazide diuretics

Cardiovascular Toxicities Associated with Anaplastic Lymphoma Kinase Inhibitors: A Disproportionality Analysis of the WHO Pharmacovigilance Database (VigiBase)

Trends in the Incidence of Japanese Spotted Fever in Japan: A Nationwide, Two-Decade Observational Study from 2001–2020

Characterization of Immune Checkpoint Inhibitor–Induced Myasthenia Gravis Using the US Food and Drug Administration Adverse Event Reporting System

International Trends in Adverse Drug Event-Related Mortality from 2001 to 2019: An Analysis of the World Health Organization Mortality Database from 54 Countries.

Trends in the incidence of syphilis in the middle‐aged and older adults in Japan: A nationwide observational study, 2009–2019

Impact of the cervical cancer awareness months on public interest in Japan: A Google Trends analysis, 2012–2021

Correlation between national surveillance and search engine query data on respiratory syncytial virus infections in Japan

Trends in places and causes of death among centenarians in Japan from 2006 to 2016

Collaborators (3)

Masachika Fujiyoshi

Tsukasa Higashionna

Hideharu Hagiya

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