Masayoshi Harigai
Tokyo Medical and Dental University
Internal medicineSurgeryPathologyProspective cohort studyPostmarketing surveillanceAdverse effectRheumatologyImmunologyAnti-neutrophil cytoplasmic antibodyVasculitisPrednisoloneArthritisRheumatoid arthritisMicroscopic polyangiitisMethotrexateGranulomatosis with polyangiitisPopulationIn patientMedicineCohortGastroenterology
295Publications
44H-index
5,693Citations
Publications 295
Newest
#1Rangi Kandane-Rathnayake (Monash University)H-Index: 13
#2Worawit Louthrenoo (CMU: Chiang Mai University)H-Index: 26
Last. Leonid Zamora (University of Santo Tomas Hospital)H-Index: 7
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Objectives null Evidence for the utility of medications in settings lacking randomised trial data can come from studies of treatment persistence. We examined patterns of medication use in systemic lupus erythematosus (SLE) using data from a large multicentre longitudinal cohort. null Methods null Prospectively collected data from the Asia Pacific Lupus Collaboration cohort including disease activity (SLEDAI-2K) and medication details, captured at every visit from 2013-18, were used. Medications ...
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#1Kunihiro Yamaoka (Kitasato University)H-Index: 19
#2Yoshiya TanakaH-Index: 91
Last. Tsutomu Takeuchi (Keio: Keio University)H-Index: 84
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INTRODUCTION Upadacitinib is a Janus kinase inhibitor with demonstrated efficacy in patients with rheumatoid arthritis (RA). OBJECTIVE The aim of this study was to assess the long-term safety of upadacitinib in patients with active RA from Japan compared with global clinical trial populations. METHODS Pooled data in patients enrolled from Japan (the 'Japanese population'; SELECT-SUNRISE, SELECT-EARLY, and SELECT-MONOTHERAPY) were compared with that from global (Japan and ex-Japan) upadacitinib c...
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#1Yoshiyuki Abe (Juntendo University)H-Index: 6
#2Keigo Saeki (Nara Medical University)H-Index: 24
Last. Naoto Tamura (Juntendo University)H-Index: 19
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Objectives: Malignant rheumatoid arthritis (MRA) is defined as rheumatoid arthritis (RA) with systemic vasculitis or other severe extra-articular manifestations. Japan has a nationwide database for...
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#1Koei OhH-Index: 2
#2Takefumi FuruyaH-Index: 22
Last. Masayoshi HarigaiH-Index: 44
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Bone fracture is a major complication in patients with rheumatoid arthritis (RA). We previously reported that the incidence of fracture did not appear to change in patients with RA who were treated...
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AIM Calcinosis is often observed in systemic sclerosis (SSc), but its pathogenesis remains unclear. The aim of the present study was to explore the association of clinical features with calcinosis in patients with SSc. METHODS A retrospective cohort study was performed analyzing 416 SSc patients from our SSc database. We examined the clinical features with relation to calcinosis and SSc. RESULTS Calcinosis was observed in 24.0% of patients with SSc. The group with calcinosis comprised more femal...
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#1Masayo KojimaH-Index: 33
#2Mieko HasegawaH-Index: 3
Last. Masayoshi HarigaiH-Index: 44
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Objectives This study aimed to evaluate patients' opinions regarding their rheumatoid arthritis (RA) therapy and to reflect the patients' perspectives in the 2020 update of the Japan College of Rheumatology clinical practice guidelines. Methods A self-administered questionnaire was mailed to 1,600 members of the Japan Rheumatology Friendship Association, who were randomly selected by age and prefecture. Results A total of 1,156 patients returned the questionnaire (response rate, 72.3%; mean age,...
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#1Ayako Nakajima (Mie University)H-Index: 24
#2Ryoko SakaiH-Index: 10
Last. Masayoshi HarigaiH-Index: 44
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Objectives To characterize the treatments for rheumatoid arthritis (RA) among institution types and prefectures in Japan. Methods Using the National Database of Health Insurance Claims and Specific Health Checkups of Japan in the 2017 fiscal year, we investigated disease-modifying antirheumatic drug (DMARD) and oral corticosteroid prescription trends across 825 thousand RA patients. These data were compared between specialized and non-specialized institutions and by prefecture. RA specialized in...
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