Abstract:BackgroundMacrophage activation syndrome (MAS) is a rare and severe complication of juvenile idiopathic arthritis (JIA) that most typically develops in patients with its systemic form (sJIA). Tocilizumab proved to be efficacious for treatment of both systemic JIA and polyarthritis. Nevertheless, the question regarding the effect of MAS on efficacy of TOC therapy in patients with sJIA is still to be solved.ObjectivesTo evaluate the efficacy of tocilizumab therapy in patients having sJIA and MAS versus the patie… Show more
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