Prospective study of 40 newly Dx, Tx-naïve RA pts starting MTX; Of serum cytokines tested, high baseline IL-6 & IL-17 was assoc w/ nonresponse to MTX. Yet, still not good response biomarkers. TNF-α & GM-CSF did not assoc w/ MTX outcomes https://t.co/YIQKop9LMH https://t.co/XxwcRsKwoM