Open-label Trial of 14 pts with MAS due to steroid refractory systemic JIA or adult-onset Still’s demonstrated the efficacy of IV emapalumab, an anti-IFNγ mAb. Demonstrated signif reductions in LDH, sIL-2R, Ferritin, CXCL9, & steroid dose https://t.co/vgxT5KzmQF https://t.co/gDLmfOlSHG