Faculty Information - YAGI Osamitsu

（Last updated : 2026-04-30 13:40:21）

YAGI Osamitsu
Department School of Medicine(Tokyo Women's Medical University Hospital), School of Medicine Department of Internal Medicine, Division of Respiratory Medicine

Position Assistant Professor

■ Published papers

1.	Case report	Immunostaining and Ciliary Movement Analysis in Primary Ciliary Dyskinesia With a Homozygous Deletion Involving Exons 1–4 of DRC1: A Case Report 2025/12
2.	Original article	Geographic variation in bronchoscopy use across Japan: A nationwide analysis using administrative claims data. 2025/11
3.	Original article	Nationwide trends in the use of antitussive agents in Japan before, during, and after the COVID-19 Pandemic: A descriptive study using a National Database. 2025/11
4.	Original article	Nationwide trends in utilization and expenditure of biologic agents approved for asthma in Japan: Insights from the national database (2014-2023). 2025/07
5.	Original article	The efficacy and safety of Fluticasone Furoate/Umeclidinium/vilanterol (FF/UMEC/VI) on cough symptoms in adult patients with asthma, a randomized double-blind, placebo-controlled, parallel group study: Chronic Cough in Asthma (COCOA) study. 2025/02
6.	Case report	Autoimmune pulmonary alveolar proteinosis during the treatment of nonspecific interstitial pneumonia complicated by clinically amyopathic dermatomyositis: A case report. 2024/06
7.	Original article	Higher Prevalence and Severity of Eosinophilic Otitis Media in Patients with Asthma-COPD Overlap Compared with Asthma Alone. 2023/08
8.	Original article	Clinical characteristics and treatment outcomes of severe asthma patients with a history of multiple biologic drugs use. 2023/06
9.	Original article	Analysis of the diagnosis of Japanese patients with primary ciliary dyskinesia using a conditional reprogramming culture. 2022/05
10.	Original article	Tryptase and IL-33 in Bronchoalveolar Lavage Fluid May Predict the Types of Eosinophilic Pneumonia and Disease Recurrence. 2022
11.	Original article	Clinical characteristics and treatment outcomes of severe asthma patients with a history of multiple biologic drugs use. 2021/07
12.	Original article	Multifaceted analysis of Japanese cases of primary ciliary dyskinesia: Value of immunofluorescence for ciliary protein detection in patients with DNAH5 and DNAH11 mutations. 2021/07
13.	Original article	Characteristics of patients with severe asthma who experienced treatment failure with omalizumab. 2021/06
14.	Case report	A case of pulmonary infarction induced by undiagnosed HIV. 2020
15.	Original article	Chloride ion transport and overexpression of TMEM16A in a guinea-pig asthma model. 2017/06
16.	Original article	Effect of tiotropium on mucus hypersecretion and airway clearance in patients with COPD. 2016/08
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■ Academic conference presentation

1.	Autoimmune pulmonary alveolar proteinosis during treatment for nonspecific interstitial pneumonia complicated by clinically amyopathic dermatomyositis: a case report （Poster notice，General） 2023/11/19
2.	A case of living kidney transplant recipient for whom FDG-PET/CT was useful for the diagnosis of tuberculous lymphadenitis （Poster notice，General） 2023/11/18
3.	Combination of Tryptase and IL-33 in Bronchoalveolar Lavage Fluid May Predict the Types of Eosinophilic Pneumonia and Disease Recurrence （Speech，General） 2021/11/20
4.	A Case of Lung Intravascular Large B Cell Lymphoma Developed with Acute Respiratory Failure: Usefulness of Corticosteroid Rescue Prior to Define Diagnosis （Poster notice，General） 2021/11
5.	Application of conditional reprogramming culture to analyze Japanese primary ciliary dyskinesia （Poster notice，General） 2021/11
6.	A Case of Summer-Type Hypersensitivity Pneumonitis with Severe Obstructive Impairment Caused by Membranous Bronchiolitis （Poster notice，General） 2019/11/15
7.	Neutrophilic inflammation of the upper airways is a characteristic feature of macrolide responders in patiens with asthma （Poster notice，General） 2018/12/01
8.	Effect of Low-Dose Macrolide Therapy in Asthmatic Patients with Chronic Neutrophilic Rhinosinusitis （Poster notice，General） 2018/05/20
9.	Effect of optimized anti-inflammatory treatment in patients with asthma and eosinophilic otitis media （Poster notice，General） 2017/09/10
10.	An overlap case of diffuse panbronchiolitis and asthma: reciprocal relationship between neutrophilic and eosinophilic inflammation （Poster notice，General） 2017/05/23
11.	The efficacy of intensive inhalation therapy in asthma patients complicated with eosinophilic otitis media （Poster notice，General） 2017/05/21
12.	Coexistence of diffuse panbronchiolitis and asthma: Reciprocal change between neutrophilic and eosinophilic inflammation （Poster notice，General） 2016/10/25
13.	Comparison of CT scan-measured pulmonary artery to aorta ratio of combined pulmonary fibrosis and emphysema (CPFE) and COPD （Poster notice，General） 2016/09/06
14.	Comparison of clinical characteristics of combined pulmonary fibrosis and emphysema (CPFE) and COPD （Poster notice，General） 2015/05/18
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■ Education

1.	2008/05/23 Degree Acquisition	Tokyo Women's Medical University,
2.	1991/04～1997/03	Faculty of Medicine, Yamanashi Medical University, Graduated