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The Food and Drug Administration (FDA) approved certolizumab-pegol, the first biologic for the treatment of non-radiographic axial spondyloarthritis (nr-axSpA), for use in the United States (US) in March of 2019. The objective of this study was to investigate biologic use and reasons for switching therapy among patients with nr-axSpA in the US.

Use and Switching of Biologic Therapy in Patients with Non-Radiographic Axial Spondyloarthritis: A Patient and Provider Survey in the United States