Objective To determine whether aggressive treatment initiated early in the course of rheumatoid
factor (RF)–positive or RF‐negative polyarticular juvenile idiopathic arthritis (JIA) can …

Objective To compare the criteria for Wegener's granulomatosis (WG) of the American
College of Rheumatology (ACR) with those of the European League Against Rheumatism/…

Systemic juvenile idiopathic arthritis (sJIA) is an often severe, potentially life-threatening
childhood inflammatory disease, the pathophysiology of which is poorly understood. To …

Objectives Juvenile idiopathic arthritis (JIA) is a heterogeneous group of conditions unified
by the presence of chronic childhood arthritis without an identifiable cause. Systemic JIA (sJIA…

Objective. To determine the elapsed time while receiving aggressive therapy to the first
observation of clinically inactive disease (CID), total duration of CID and potential predictors of …

Objective Subtypes of juvenile idiopathic arthritis (JIA) share phenotypic features with other
autoimmune disorders. We investigated several genetic variants associated with rheumatoid …

Objective We previously demonstrated that there is familial aggregation of juvenile idiopathic
arthritis (JIA). Using a large JIA cohort, we sought to identify additional clusters of JIA cases …

Background Takayasu Arteritis is an idiopathic, chronic, large vessel vasculitis involving the
aorta and its primary branches. Few studies have been done in pediatric patients to date …

Objective To determine whether systemic juvenile idiopathic arthritis (JIA) susceptibility loci
that were identified by candidate gene studies demonstrate association with systemic JIA in …

Objective Associations between shared epitope (SE)–encoding HLA–DRB1 alleles and
rheumatoid arthritis (RA) are well established. However, only a limited number of studies have …