Masatoshi Hayashi
Nagano, Japan
Last Updated: 09/26/2026
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Found 30 publications
Influence of concomitant methotrexate use on the clinical effectiveness, retention, and safety of abatacept in biologic-naïve patients with rheumatoid arthritis: Post-hoc subgroup analysis of the ORIGAMI study.
Journal: Modern rheumatology
Published: January 21, 2022
Predictors of disease flare after discontinuation of concomitant methotrexate in Japanese patients with rheumatoid arthritis treated with tocilizumab.
Journal: Joint bone spine
Published: February 07, 2020
Discontinuation of concomitant methotrexate in Japanese patients with rheumatoid arthritis treated with tocilizumab: An interventional study.
Journal: Modern rheumatology
Published: August 08, 2019
Clinical effectiveness and safety of additional administration of tacrolimus in rheumatoid arthritis patients with an inadequate response to abatacept: A retrospective cohort study.
Journal: International journal of rheumatic diseases
Published: June 05, 2019
Risk stratification and clinical course of hepatitis B virus reactivation in rheumatoid arthritis patients with resolved infection: final report of a multicenter prospective observational study at Japanese Red Cross Hospital.
Journal: Arthritis research & therapy
Published: May 15, 2019
Association between seropositivity and discontinuation of tumor necrosis factor inhibitors due to ineffectiveness in rheumatoid arthritis.
Journal: Clinical rheumatology
Published: March 29, 2019
Concomitant methotrexate has little effect on clinical outcomes of abatacept in rheumatoid arthritis: a propensity score matching analysis.
Journal: Clinical rheumatology
Published: February 13, 2019
Clinical effectiveness and long-term retention of abatacept in elderly rheumatoid arthritis patients: Results from a multicenter registry system.
Journal: Modern rheumatology
Published: September 18, 2018
Predictors of biologic discontinuation due to insufficient response in patients with rheumatoid arthritis who achieved clinical remission with biologic treatment: A multicenter observational cohort study.
Journal: Modern rheumatology
Published: July 14, 2017
High rate of improvement in serum matrix metalloproteinase-3 levels at 4 weeks predicts remission at 52 weeks in RA patients treated with adalimumab.
Journal: Modern rheumatology
Published: May 03, 2017
Incidence of hepatitis B virus reactivation in patients with resolved infection on immunosuppressive therapy for rheumatic disease: a multicentre, prospective, observational study in Japan.
Journal: Annals of the rheumatic diseases
Published: May 27, 2016
Longterm Retention Rate and Risk Factors for Adalimumab Discontinuation Due To Efficacy and Safety in Japanese Patients with Rheumatoid Arthritis: An Observational Cohort Study.
Journal: The Journal of rheumatology
Published: April 27, 2016
Last Updated: 09/26/2026