Efficacy of anti-interleukin-6 receptor antibody (tocilizumab) in colombian patients with takayasu’s arteritis

Background Takayasu’s arteritis (TA) is a chronic vasculitis that involves aorta and its main branches, where interleukin-6 (IL-6) seems to play a pathogenic role (1,2). The effect in four patients treated with the anti-IL-6 receptor (IL-6R) antibody Tocilizumab was evaluated. Objectives to describe...