A Multicenter, Randomized, Double-blind Clinical Trial Evaluating the Efficacy and Safety of Etanercept Versus Placebo in the Treatment of Patients With SAPHO Syndrome
The study includes adult patients with SAPHO syndrome (ORPHA: 793), meeting the modified classification criteria according to Kahn (2003), with the ineffectiveness of standard treatment (patient's global assessment of the disease on the VAS scale greater than or equal to 4 cm with accompanying pain on the VAS scale greater than or equal to 4 cm) treated with non-steroidal anti-inflammatory drugs in a stable dose for at least 4 weeks and/or classical disease-modifying antirheumatic drugs in stable doses for at least 12 weeks.
• Diagnosis of SAPHO syndrome according to modified Kahn criteria from 2003.
• Age over 18.
• Patient overall disease and pain assessment on VAS both ≥ 4 cm.
• Expressing informed consent to participate in the study.