Upadacitinib PsA w/axial involvement - post-hoc analysis of SELECT-PsA 1 and S-PsA-2 Statistically greater response in axial dz compared to placebo in both dz dx'ed by investigator alone & on investigator + PRO-based criteria https://t.co/YPc5fx9wAR #ACR21 Abst1945 @RheumNow