Autoimmunity reviews
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Various autoimmune rheumatic diseases (ARDs), including rheumatoid arthritis, spondyloarthritis, vasculitis and systemic lupus erythematosus, are associated with premature atherosclerosis. However, premature atherosclerosis has not been uniformly observed in systemic sclerosis. Furthermore, although experimental models of atherosclerosis support the role of antiphospholipid antibodies in atherosclerosis, there is no clear evidence of premature atherosclerosis in antiphospholipid syndrome (APA). ⋯ Based on biopsy findings, also inflammation in the myocardium and small vessels may contribute to premature CVD in ARDs (cardiac ischemia and heart failure). There is an enormous need for an improved CVD prevention in ARDs. Studies examining the effect of DMARDs/biologics on vascular inflammation and CV risk are warranted.
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The last two decades have witnessed a revolution in the treatment of autoimmune diseases due to the introduction of biological agents which, although now included as standard treatment in patients with autoimmune rheumatological, dermatological and gastrointestinal diseases. The use of biological agents is associated with greater costs compared with the mainly anti-inflammatory and immunosuppressant drugs used in the pre-biological era. ⋯ Three scenarios have converged to provide a specific opportunity for biosimilars in autoimmune diseases: growing demand for biologics due to successful clinical use; the nearing of patent expiry for the four top-selling biological brands; and the search to reduce health costs due to the financial crisis. We aimed to review the crucial topics of efficacy, safety and regulatory approach of upcoming biosimilars.