#Precisionmedicine is here but we’re not using it? A 23 molecular signature response classifier (MSRC) identified pts w RA unlikely to respond to #TNFi. no response was<ACR50 over 1yr. 175 w 26⬆️MSRC & 47 ⬆️⬆️MSRC. If ⬇️MSRC29%<ACR50 v 42&60%. ?cost Abst#1252 #ACR21 @RheumNow https://t.co/xdYyN0oXrh