Reduction of Inflammatory and Cardiovascular Proteins in the Blood of Patients with Psoriasis: Differential Responses between Tofacitinib and Etanercept after 4 Weeks of Treatment
2017
Patients with psoriasis have an increased risk of myocardial infarction, and psoriasis is now recognized as an independent risk factor for coronary heart disease and cardiovascular mortality. To understand the effects of psoriasis medications on systemic inflammation associated with cardiovascular risks, we studied blood proteins related to inflammation and cardiovascular disease archived from a phase 3 clinical trial of tofacitinib and etanercept in adults with moderate-to-severe psoriasis. A total of 157 blood proteins were quantified by a proximity extension assay from 266 patients at baseline and week 4. Protein changes in the blood after 1 month of treatment were compared between tofacitinib (10 mg two times a day) and etanercept (50 mg biweekly), and by response status at week 12. Tofacitinib and etanercept commonly reduced IL-6, CCL20, and CXCL10, but IL-17A was significantly reduced only in responders of either treatment. Compared with etanercept, tofacitinib showed a wider spectrum of cardiovascular blood protein reduction, but the protein reduction effects of tofacitinib were strictly confined to treatment responders. Tumor necrosis factor receptor 1, E-selectin, hK11, tumor necrosis factor–related activation-induced cytokine, CHI3L1, IL-16, and matrix metalloproteinase-12 were cardiovascular proteins significantly reduced only in tofacitinib responders. Our data suggest that a short-term systemic psoriasis treatment can cause reductions in circulating inflammatory and other proteins associated with cardiovascular risks.
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