#ACR23 Abstr#2576 Promising therapy in Dermatomyositis. Phase 2 RCT showed rapid improvement in skin, muscle & patient reported outcomes as fast as Week 4 in PF-06823859 (anti-IFN-B) vs PBO. Could be useful to treat in either skin or muscle predominant patients @RheumNow #ACRBest https://t.co/Rj1k1z0Tsz