Masato Karayama

ORCID: 0000-0003-0455-4070
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About
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Research Areas
  • Interstitial Lung Diseases and Idiopathic Pulmonary Fibrosis
  • Lung Cancer Treatments and Mutations
  • Sarcoidosis and Beryllium Toxicity Research
  • Chronic Obstructive Pulmonary Disease (COPD) Research
  • Cancer Immunotherapy and Biomarkers
  • HER2/EGFR in Cancer Research
  • Lung Cancer Research Studies
  • Occupational and environmental lung diseases
  • Asthma and respiratory diseases
  • Monoclonal and Polyclonal Antibodies Research
  • Inhalation and Respiratory Drug Delivery
  • Lung Cancer Diagnosis and Treatment
  • Eosinophilic Disorders and Syndromes
  • Occupational exposure and asthma
  • Inflammatory Myopathies and Dermatomyositis
  • Medical Imaging and Pathology Studies
  • Immune Cell Function and Interaction
  • Systemic Sclerosis and Related Diseases
  • Colorectal Cancer Treatments and Studies
  • Pulmonary Hypertension Research and Treatments
  • Nausea and vomiting management
  • Medical Imaging Techniques and Applications
  • Immunotherapy and Immune Responses
  • Respiratory Support and Mechanisms
  • Cancer Treatment and Pharmacology

Hamamatsu University School of Medicine
2016-2025

Hamamatsu University
2018-2022

Hamamatsu University Hospital
2021

Shizuoka Red Cross Hospital
2021

Fujieda Municipal General Hospital
2021

Shizuoka General Hospital
2021

Shizuoka City Hospital
2021

Chemotherapy Foundation
2021

Seirei Mikatabara General Hospital
2006

Change in body composition with skeletal muscle wasting, a major component of pulmonary cachexia, is associated mortality chronic obstructive disease and cancer. However, its relevance interstitial lung diseases (ILDs) remains unclear. We hypothesized changes would be ILDs. measured the cross-sectional-area (ESMCSA) attenuation (ESMMA) erector-spinae muscles, as determined by CT-imaging, patients idiopathic fibrosis (IPF; n = 131) pleuroparenchymal fibroelastosis (iPPFE; 43) controls....

10.1038/s41598-018-32478-z article EN cc-by Scientific Reports 2018-09-13

Macrophage-mannose receptor, CD206, is a marker of alternatively activated macrophages. Activated macrophages play key roles in DM. Interstitial lung disease (ILD) leading cause mortality patients with DM/clinically amyopathic DM (CADM). In particular, the anti-melanoma differential gene 5 antibody (MDA5) frequently develop fatal rapid progressive ILD. This study aimed to evaluate clinical implications CADM/DM-ILD anti-MDA5 (MDA5-CADM/DM-ILD).We measured serum concentrations soluble CD206...

10.1093/rheumatology/kez185 article EN Lara D. Veeken 2019-04-16

Tuberculosis (TB) remains a leading cause of fatal infectious disease. Accumulations macrophages are found in infected sites; thus, we hypothesized that marker activated may be related to prognosis pulmonary TB (PTB). This study investigated serum soluble macrophage mannose receptor, sCD206, PTB and examined its clinical significance. First, the concentration sCD206 was measured sera 96 patients with (Tenryu cohort), pleural effusions from 29 pleurisy. These were verified another independent...

10.1038/s41598-018-31565-5 article EN cc-by Scientific Reports 2018-08-28

The coronavirus disease 2019 (COVID-19) pandemic has dramatically changed because of virus mutations, vaccine dissemination, treatment development and policies, among other factors. These factors have a dynamic complex effect on the characteristics outcomes patients. Therefore, there is an urgent need to understand those changes update evidence. We used large-scale real-world data set 937,758 patients with COVID-19 from nationwide claims database that included outpatients inpatients in Japan...

10.1080/22221751.2022.2155250 article EN cc-by Emerging Microbes & Infections 2022-12-05

Abstract Background and Objective Idiopathic pulmonary fibrosis (IPF) is characterized by progressive lung of unknown aetiology. Epidemiological studies have suggested that IPF progression may negatively affect nutritional status. Weight loss during antifibrotic therapy also frequently encountered. The association status outcome has not been fully evaluated in patients. Methods This retrospective multicohort study assessed 301 patients receiving (Hamamatsu cohort, n = 151; Seirei 150)....

10.1111/resp.14523 article EN Respirology 2023-05-23

Although a possible association among myeloperoxidase-anti-neutrophil cytoplasmic antibody (MPO-ANCA), microscopic polyangiitis (MPA), and idiopathic pulmonary fibrosis (IPF) has been suggested, the clinical significance of MPO-ANCA in interstitial pneumonias (IIPs), including IPF non-IPF, remains unclear. We aimed to investigate frequency positivity, as well MPA incidence risk factors for development patients initially diagnosed with IIP.We retrospectively analysed 305 consecutive who were...

10.1371/journal.pone.0199659 article EN cc-by PLoS ONE 2018-06-21

Macrophage activation is involved in the pathogenesis of polymyositis (PM)/dermatomyositis (DM). CD163, a scavenger receptor expressed on surface activated macrophages, mediates anti-inflammatory functions. This study aimed to evaluate clinical significance soluble CD163 (sCD163) PM/DM-related interstitial lung disease (ILD).The main subjects were 48 patients with ILD. As controls, 10 PM/DM without ILD and 20 healthy volunteers enrolled. In ILD, baseline characteristics course obtained...

10.1186/s13075-016-1214-8 article EN cc-by Arthritis Research & Therapy 2017-01-19

Magnetic resonance imaging (MRI) enables a more sensitive detection of brain metastasis and stereotactic irradiation (SRI) efficiently controls metastasis. In limited-stage small cell lung cancer (LS-SCLC), prophylactic cranial (PCI) in patients with good responses to initial treatment is recommended based on the survival benefit shown previous clinical trials. However, none these trials evaluated PCI effects using management MRI or SRI. This study aimed determine SRI benefits LS-SCLC.The...

10.1186/s12885-015-1593-2 article EN cc-by BMC Cancer 2015-08-14

Abstract Purpose Tryptophan metabolites have immunomodulatory functions, suggesting possible roles in cancer immunity. Methods Plasma tryptophan were measured using liquid chromatography/mass spectrometry before immune checkpoint inhibitors (ICIs) patients with non-small cell lung (NSCLC). Results The 19 NSCLC had significantly lower levels of ( p = 0.002) and xanthurenic acid 0.032), a higher level 3-hydroxyanthranilic (3-HAA) 0.028) compared the 10 healthy volunteers. achieving objective...

10.1007/s12094-020-02421-8 article EN cc-by Clinical & Translational Oncology 2020-06-12

Abstract Background Lipids have immunomodulatory functions and the potential to affect cancer immunity. Methods The associations of pretreatment serum cholesterol long-chain fatty acids with objective response rate (ORR), progression-free survival (PFS), overall (OS) were evaluated in 148 patients non-small cell lung who received nivolumab. Results When each lipid was separately evaluated, increased low-density lipoprotein (LDL)-cholesterol ( P < 0.001), high-density (HDL)-cholesterol =...

10.1007/s00262-021-02979-4 article EN cc-by Cancer Immunology Immunotherapy 2021-06-05

Abstract Background Patients with rheumatoid arthritis-associated interstitial lung disease (RA-ILD), like those idiopathic pulmonary fibrosis (IPF), might develop an unexpected acute exacerbation (AE)—a rapidly progressing and deadly respiratory decline. Although AE incidence risk factors in RA-ILD patients are known, their post-AE clinical course remains unknown owing to the rarity of AE-RA-ILD. This multicentre retrospective study evaluated mortality prognostic variables AE-RA-ILD created...

10.1186/s12931-022-01978-y article EN cc-by Respiratory Research 2022-03-11

Obesity is a common comorbidity in patients with asthma, and obese asthma present the most refractory phenotype among severe asthma. Similar to observations non-obese patients, clinical studies have revealed heterogeneity including occurrences of T helper (Th)2-high Th2-low phenotypes. However, mechanisms underlying obesity-related are not completely understood. Though macroautophagy/autophagy involved obesity, its role obesity-associated unknown. We hypothesized that autophagy pathogenesis...

10.1080/15548627.2022.2025571 article EN cc-by-nc-nd Autophagy 2022-01-31

Objective. Interstitial lung disease (ILD) is involved in polymyositis/dermatomyositis (PM/DM), a associated with poor prognoses. Chitinase-3-like-1 protein (YKL-40) has pleiotropic biological activities inflammation, cell proliferation, and tissue remodeling; however, the clinical application of YKL-40 remains limited. We investigated significance PM/DM–ILD. Methods. Sixty-nine consecutive patients PM/DM–ILD 34 healthy controls were analyzed. measured baseline followup serum using an ELISA,...

10.3899/jrheum.170373 article EN The Journal of Rheumatology 2017-07-15

Abstract CD206, a mannose receptor, is mainly expressed on the surface of alternatively activated macrophages where it acts as pattern recognition receptor and plays role in innate adaptive immunity. This study investigated serum soluble CD206 (sCD206) levels community-acquired pneumonia (CAP) examined their clinical significance. sCD206 concentrations were measured sera two independent cohorts with CAP (127 125 patients, respectively) 42 controls. The expression lung from autopsied cases...

10.1038/s41598-019-55289-2 article EN cc-by Scientific Reports 2019-12-10

Recent research has highlighted the fundamental role of sarcopenia, characterized by loss skeletal muscle mass and strength, with a risk poor outcomes. AFT preserves lung function preventing annual decline in FVC is associated improved outcomes patients IPF. However, altered cause death prognostic implications sarcopenia IPF receiving remain unknown.This study comprised two cohorts AFT, historical cohort without controls. The mortality was compared cohort. Sarcopenia assessed measuring...

10.1111/resp.13943 article EN Respirology 2020-09-23

ABSTRACT Background and objective The efficacy of combination therapy with corticosteroids CNI, TAC CsA, for PM/DM‐ILD has been described retrospectively. However, it remains unknown which CNI treatment regimens, or CsA are more effective as initial treatments patients PM/DM‐ILD. Methods We conducted a prospective multicentre, open‐label, randomized, 52‐week phase 2 trial. Patients were randomly allocated to receive PSL plus (TAC group) (CsA group). primary endpoint was PFS rate in the...

10.1111/resp.13978 article EN Respirology 2020-11-11
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