069 High baseline serum IL-6 identifies a subgroup of rheumatoid arthritis patients with rapid joint damage and clinical progression and predicts increased sarilumab treatment response. (12th April 2019) - Boyapati, Anita; Msihid, Jérôme; Schwartzman, Sergio; Choy, Ernest; Burmester, Gerd R; Lam, Gordon; Kimura, Toshio; Sadeh, Jonathan; Graham, Neil M H