Abstract Number: 546 • 2012 ACR/ARHP Annual Meeting
The Immunogenicity to the First Anti-TNF Therapy Determines the Outcome of Switching to a Second Anti-TNF in Spondyloarthritis Patients
Background/Purpose: Spondyloarthropathies (SpAs) encompass a heterogeneous group of diseases that primarily affect the axial skeleton and entheses. Although anti-TNF drugs have proven to be effective…