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The limited data available indicated that etanercept and infliximab are efficacious in the treatment of PsA with beneficial effects on both joint and psoriasis symptoms and on functional status. Short-term data indicated that etanercept can delay joint disease progression, but long-term data are needed. There are no controlled data as yet to indicate that infliximab can delay joint disease progression. Treatment with both etanercept and infliximab for 12 weeks demonstrated a significant degree of efficacy, with no statistically significant difference between them. For both drugs, adverse events were common with mild injection/infusion reactions being the main treatment-related effect. The York model indicated that etanercept is more cost-effective than infliximab as it has a lower cost with little difference in outcomes. The cost-effectiveness of etanercept is also sensitive to assumptions made about the extent of disease progression when patients are responding to therapy. The number of years for which a patient can be safely on biologicals is uncertain so these results should be considered with caution. Further research should include long-term controlled trials to confirm benefits, review adverse events and to explore further the implications of biologic therapy.

Patients with rheumatoid arthritis must learn to adjust their exercise, rest and medication to the varying activity of the disease. Patient education can help patients in making the right decisions about adjustments in their treatment regimen and in attaining "self-management" behaviors. We developed a group education program based on social learning theory and the 'Arthritis Self-Management Course' developed in the USA by Lorig. Goal of the program is the strengthening of self-efficacy, outcome expectations and self-management behaviors of RA patients which may lead to better health status. The program has been evaluated in an experimental design. We established significant positive effects of the group training on functional disability, joint tenderness, practice of relaxation and physical exercises, self-management behavior, outcome expectations, self-efficacy function and knowledge. After 14 months we still found effects on practice of physical exercises, self-efficacy function and knowledge.