Masato A. Okada

St. Luke's International Hospital
Tokyo, Japan

Last Updated: 09/26/2026

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Found 122 publications

Efficacy, safety, and immunogenicity of proposed biosimilar RGB-19 and tocilizumab intravenously administered to adults with active rheumatoid arthritis and an inadequate response to methotrexate: a phase 3, randomised study.

Efficacy, safety, and immunogenicity of proposed biosimilar RGB-19 and tocilizumab intravenously administered to adults with active rheumatoid arthritis and an inadequate response to methotrexate: a phase 3, randomised study.

Journal: EULAR rheumatology open

Published: June 29, 2026

Comparison of the PK, PD, safety, tolerability, and immunogenicity of proposed biosimilar RGB-19 and tocilizumab in healthy Japanese males: a phase 1, randomised, crossover study.

Comparison of the PK, PD, safety, tolerability, and immunogenicity of proposed biosimilar RGB-19 and tocilizumab in healthy Japanese males: a phase 1, randomised, crossover study.

Journal: EULAR rheumatology open

Published: June 29, 2026

Three-drug combination therapy to prevent glucocorticoid-associated osteonecrosis in patients with systemic lupus erythematosus: a proof-of-concept study.

Three-drug combination therapy to prevent glucocorticoid-associated osteonecrosis in patients with systemic lupus erythematosus: a proof-of-concept study.

Journal: Therapeutic advances in musculoskeletal disease

Published: October 31, 2025

Chronic Gouty Dactylitis.

Chronic Gouty Dactylitis.

Journal: JMA journal

Published: July 23, 2025

The Impact of Early Belimumab Use on Successful Glucocorticoid Tapering to a Low Maintenance Dose in Treatment-naïve, Newly Diagnosed Systemic Lupus Erythematosus.

The Impact of Early Belimumab Use on Successful Glucocorticoid Tapering to a Low Maintenance Dose in Treatment-naïve, Newly Diagnosed Systemic Lupus Erythematosus.

Journal: International journal of rheumatic diseases

Published: July 21, 2025

B cell depletion and BAFF receptor blockade with ianalumab (VAY736) for the treatment of moderate-to-severe systemic lupus erythematosus: a phase 2 randomised, double-blind, placebo-controlled trial with subsequent open-label treatment.

B cell depletion and BAFF receptor blockade with ianalumab (VAY736) for the treatment of moderate-to-severe systemic lupus erythematosus: a phase 2 randomised, double-blind, placebo-controlled trial with subsequent open-label treatment.

Journal: Annals of the rheumatic diseases

Published: July 15, 2025

Anifrolumab as a glucocorticoid-sparing agent in MRI-negative myelitis associated with neuropsychiatric lupus: A case report.

Anifrolumab as a glucocorticoid-sparing agent in MRI-negative myelitis associated with neuropsychiatric lupus: A case report.

Journal: Modern rheumatology case reports

Published: July 04, 2025

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Journal: Arthritis & rheumatology (Hoboken, N.J.)

Published: May 23, 2025

Longitudinal Changes in Serum Urate Levels From Premenopause Through Postmenopause: Interrupted Time-Series Analyses.

Longitudinal Changes in Serum Urate Levels From Premenopause Through Postmenopause: Interrupted Time-Series Analyses.

Journal: Arthritis & rheumatology (Hoboken, N.J.)

Published: April 24, 2025

Disease phenotype and management of axial psoriatic arthritis in Japan compared with other regions, particularly other Asian countries: results of the ASAS-PerSpA study.

Disease phenotype and management of axial psoriatic arthritis in Japan compared with other regions, particularly other Asian countries: results of the ASAS-PerSpA study.

Journal: BMC rheumatology

Published: January 17, 2025

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Journal: Arthritis & rheumatology (Hoboken, N.J.)

Published: November 10, 2024

Management of pregnant with rheumatoid arthritis: Preconception care, pregnancy and lactation strategies, and maternal-fetal outcomes.

Management of pregnant with rheumatoid arthritis: Preconception care, pregnancy and lactation strategies, and maternal-fetal outcomes.

Journal: Best practice & research. Clinical rheumatology

Published: October 29, 2024

Showing 1-12 of 122

Last Updated: 09/26/2026