Tofacitinib in refractory adult-onset Still’s disease: 14 cases from a single centre in China

Adult-onset Still’s disease (AOSD) is an autoinflammatory disease characterised by spiking fever, rash, polyarthralgia, sore throat and even life-threatening complications, such as macrophage activation syndrome and fulminant hepatitis. Excessive and inappropriate production of cytokines is a cornerstone in AOSD pathogenesis.1 Unlike anakinra and tocilizumab, Janus kinases (JAK) inhibitors block the proinflammatory effect of a wide range of...