Why are we guessing? A 20 yr #RA pt, Severe, erosive, polyarticular CCP+ RA, failed MTX, SSZ, Enbrel, Humira, Cimzia, Xeljanz, Orencia; had TJC 22, SJC 18, CDAI 37; put on LEF & IL-6 inhib & 2 mos later SJC 2, CDAI 3! HELP! We need a better way! AI #bigdata, #realbiomarkers