PO:02:025 | Real-World Comparative Effectiveness of Upadacitinib in Psoriatic Arthritis: Evaluation of Switching to Upadacitinib Versus Tumor Necrosis Factor Inhibitors or Interleukin-17 Inhibitors After First-Line Tumor Necrosis Factor Inhibitors: Valentina Carlini1, Philip Mease2, William Tillett3, Xiaolan Ye4, Christopher Saffore4, Molly Edwards5, Isabel Truman5, Sophie Barlow5, Jayne Stigler4, Bhumik Parikh4, Daniel Aletaha6 | 1Abbvie srl Roma, Italy; 2University of Washington School of Medicine Seattle, United States Minor Outlying Islands; 3Department of Rheumatology, Royal National Hospital for Rheumatic Diseases Bath, United Kingdom; 4Abbvie Inc. North Chicago, United States Minor Outlying Islands; 5Adelphi Real World Bollington, United Kingdom; 6Division of Rheumatology, Department of Medicine, Medical University of Vienna, Vienna, Austria. Reumatismo [Internet]. 2026 Mar. 18 [cited 2026 Apr. 17];77(s1). Available from: https://www.reumatismo.org/reuma/article/view/2286