New biologics for psoriasis and psoriatic arthritis

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Abstract
The prevalence of psoriasis is estimated to be 2.2% in the United States, and 6-39% of patients with psoriasis also develop psoriatic arthritis. New advances have been made in developing treatment options. A new human tumor necrosis factor (TNF)-alpha antibody, golimumab, has been shown to significantly improve symptoms of psoriatic arthritis. In addition, clinical trials of certolizumab pegol, a PEGylated Fab' fragment of an anti-TNF-alpha monoclonal antibody, show promising results for treating rheumatoid arthritis and suggest that it may be applicable for treating psoriasis and psoriatic arthritis in the future. New biologic therapies also include antibodies to interleukin-12 and interleukin-23. Phase II studies suggest that ustekinumab is effective in alleviating symptoms of psoriasis and psoriatic arthritis. However, longer studies with radiographic evaluation will be required before their impact on joint destruction can be assessed.

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