IRIS-RA, a failed phase 2 study of Nipocalimab, an anti-FcRn mAb severe active RA not responding to TNFi. 53 seropos. RA pts did not achieve primary endpt of better DAS28-CRP at Wk 12 (but Nipo was numerically better & signif lowered RF, CCP, but not CRP) https://t.co/52HLsfpKLS https://t.co/eEifXA6MpP