Abstract
To analyze the clinical efficacy of anti-tumor necrosis factor (TNF)-alpha therapy in the SAPHO (synovitis, acne, pustulosis, hyperostosis, osteitis) syndrome. We describe 2 new cases with ilium osteitis as the main SAPHO syndrome feature and review reported cases treated with anti-TNF-alpha. A literature search of SAPHO syndrome cases treated with TNF-alpha blocking therapy with special emphasis on osteoarticular and skin responses was performed. Eighteen cases were identified: 17 SAPHO syndrome and 1 chronic recurrent multifocal osteomyelitis, a juvenile variant of SAPHO syndrome. Sixteen were reported cases and 2 were nonreported cases seen in our arthritis unit. Sixteen patients received infliximab and 2 received etanercept, with an early, sustained clinical improvement in most cases. Anti-TNF-alpha therapies are effective treatment for patients with refractory SAPHO syndrome, not only for cutaneous lesions but also for persistent bone lesions such as osteitis.
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