Spondyloarthritis Studies and Treatments

This cluster of papers focuses on the classification, diagnosis, and treatment of spondyloarthritis, including ankylosing spondylitis and psoriatic arthritis. It covers the development of new classification criteria, assessment of disease activity, use of biologic therapies such as tumor necrosis factor inhibitors and interleukin-17 inhibitors, and the impact of genetic factors like HLA-B27.