The Annals of Internal Medicine reports that oral, low dose, weekly methotrexate significantly reduced knee osteoarthritis (KOA) pain, stiffness, and function in a randomized controlled trial.

University of Virginia School of Medicine researchers have identified a potential treatment for the respiratory symptoms of long COVID after discovering an unknown cause of the condition inside the lungs.

The inflammatory activity in the body caused by rheumatoid arthritis is linked to specific cognitive impairments, finds a small comparative study, published in the open access journal RMD Open.

An expert panel has published new and validated classification criteria for axial disease in children with juvenile spondyloarthritis (SpA; AxJSpA).The authors used a systematic literature review to evaluate the discriminatory value of 108 items. Following a delphi method this was narrowed to 37 items for testing.