Atorvastatin reduced soluble receptors of tnf-alpha in systemic lupus erythematosus

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Data
2016
Autores
Ferreira, G. A.
Teixeira, A. L.
Calderaro, D. C.
Sato, E. I. [UNIFESP]
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Objective The aim of this study was to evaluate the efficacy of atorvastatin to reduce the plasma levels of TNF system molecules (TNF-alpha, sTNFR1 and sTNFR2) and to assess their association with risk factors for accelerate atherosclerosis and clinical disease activity scores in SLE patients. Methods In a previous study, 64 female SLE patients received 20 mg/day of atorvastatin and 24 SLE patients (non-treated group) were followed for 8 weeks. Plasma levels of TNF-alpha, sTNFR 1 and sTNFR 2 were measured by ELISA, at baseline and at the end of the study. Results The plasma levels of sTNFR1 and sTNFR 2 showed a positive correlation with SLEDAI score. We also found a positive correlation between TNF-alpha and sTNFR 1 levels and SLICC score. Patients with current nephritis and patients with anti-dsDNA antibodies presented higher sTNFR1 and sTNFR2 levels. Patients with abdominal obesity and arterial hypertension also had higher plasma levels of soluble receptors. At the end of 8 weeks, we observed a significant decrease in sTNFR1 plasma levels in patients receiving atorvastatin [median (percentile), 876.5 (717-1284 pg/ml) vs. 748 (629.6-917.3 pg/ml), p=0.03], without difference regarding TNF-alpha and sTNFR2 plasma levels. The SLEDAI and SLICC scores were independent determinants of the plasma levels of sRTNF1. Conclusion Atorvastatin reduced soluble receptors of TNF-alpha. The plasma levels of TNF-alpha, sTNFR1 and sTNFR2 may play a role in SLE activity and atherosclerosis, and might be evaluated as targets for new therapies.
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Clinical And Experimental Rheumatology. Pisa, v. 34, n. 1, p. 42-48, 2016.
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