Objective To provide updated guidelines for pharmacologic management of juvenile
idiopathic arthritis (JIA), focusing on treatment of oligoarthritis, temporomandibular joint (TMJ) …

Objective To uniquely classify children with microscopic polyangiitis (MPA), to describe their
demographic characteristics, presenting clinical features, and initial treatments in …

Objective To provide recommendations for the management of juvenile idiopathic arthritis (JIA)
with a focus on nonpharmacologic therapies, medication monitoring, immunizations, and …

Hemophagocytic lymphohistiocytosis (HLH) is a life-threatening syndrome characterized by
a dysregulated hyperinflammatory response associated with aberrant activation of …

Objective The optimal time to start biologics in polyarticular juvenile idiopathic arthritis (JIA)
remains uncertain. The Childhood Arthritis and Rheumatology Research Alliance (CARRA) …

Objective To determine the relationship between serum levels of S100A8/A9 and S100A12
and the maintenance of clinically inactive disease during anti–tumor necrosis factor (anti‐ …

COVID-19 has manifested with ventricular dysfunction and cardiac arrhythmias, most commonly
atrial fibrillation (AFib), in adults. However, very few pediatric patients with acute COVID-…

Objective To determine the frequency, time to flare, and predictors of disease flare upon
withdrawal of anti–tumor necrosis factor (anti‐ TNF ) therapy in children with polyarticular forms …

Background The purpose of our study is to assess practices of North American pediatric
rheumatologists regarding monitoring, prevention, and treatment of low bone mineral density (…

Mucosal-associated lymphoid tissue (MALT) lymphoma is rare in the pediatric population,
but primary Sjogren syndrome is a well-established risk factor for this malignancy. This report …