Serum IL-1Ra levels are elevated in Lg vessel vasculitis - 21 active, Rx naive LVV pts (13 GCA, 8 TAK), IL-1Ra higher in TAK (465 pg/mL) & GCA (385 pg/mL) vs NLs (170). IL-6 also incr. in LVV, but IL-1β & IFN-γ incr in GCA & ^ IL-17in TAK. IL-1Ra correlate w/ CRP in GCA & https://t.co/TFDpK5DqcJ