Objective To develop and validate revised classification criteria for granulomatosis with
polyangiitis (GPA). Methods Patients with vasculitis or comparator diseases were recruited into …

Objective To develop and validate revised classification criteria for eosinophilic granulomatosis
with polyangiitis (EGPA). Methods Patients with vasculitis or comparator diseases were …

Objective To develop and validate classification criteria for microscopic polyangiitis (MPA).
Methods Patients with vasculitis or comparator diseases were recruited into an international …

Objective To develop and validate new classification criteria for Takayasu arteritis (TAK).
Methods Patients with vasculitis or comparator diseases were recruited into an international …

Background Sulfamethoxazole-trimethoprim (SMX/TMP) is a standard drug for the
prophylaxis of Pneumocystis pneumonia (PJP) in immunosuppressed patients with systemic …

Objectives To evaluate 3-year outcomes of following a treat-to-target (T2T) strategy targeting
low disease activity for patients with elderly-onset RA (EORA) and to confirm safety profile …

Adult-onset Still’s disease (AOSD) is a rare disease, and large epidemiological studies of
this disease are limited. Furthermore, it has been difficult to show the incidence and …

Objective. The aim of this study was to evaluate structural damage and physical disability in
patients with elderly-onset RA (EORA) who were treated in clinical practice with a …

Among antineutrophil cytoplasmic antibody (ANCA)-associated vasculitides (AAV),
granulomatosis with polyangiitis (GPA) and proteinase 3-ANCA-positive AAV (PR3-AAV) are …

Background Abatacept (ABA) is a biological disease-modifying antirheumatic drug (bDMARD)
for rheumatoid arthritis (RA). The aim of this study was to identify molecules that are …