Isenberg et al. Atacicept 150mg in SLE. Reduced flare 36% vs 53%, delayed time to first flare, stabalised renal function (vs decline in PBO), less steroid increase (14% vs 36%), UPCR declined (vs increase in PBO) @RheumNow #ACR22 Abstr#1001 https://t.co/FRWcTAgCrn https://t.co/Amkg84OX2x