OL phase 2 study 50 active systemic JIA pts Randomized to IL-1 inhibitor, firsekibart or TCZ q2wk x 24 wks. At day 28, modified ACR Pedi 30response (no fever) favored FIRS 3mg dose (94% vs 75% vs 82%). Also higher ACR Pedi 70/90 responses & steriod tapers. https://t.co/8bdCLUFFLT https://t.co/ddQe7k25UE