Case Report: Successful treatment of SAPHO syndrome refractory to adalimumab with upadacitinib
BackgroundSynovitis, acne, pustulosis, hyperostosis, and osteitis (SAPHO) syndrome is a rare autoinflammatory disorder characterized by osteoarticular and cutaneous manifestations. While tumor necrosis factor-alpha (TNF-α) inhibitors such as adalimumab…