Abstract
Objective. The effect of statins on atherogenesis in systemic lupus erythematosus (SLE) is poorly known. To inform a wider trial we performed a pilot study evaluating the intima-media thickness of the common carotid artery (CIMT) and some oxidative [beta-2-glycoprotein-1 complexed with oxidised low density lipoprotein (β2GPIoxLDL)], metabolic [paraoxonase (PON), nitrate (NO3 −), nitrite (NO2 −) and nitrotyrosine (NT)], inflammatory [C-reactive protein (CRP) and serum amyloid A (SAA)], and lipid markers before and after 1 year of treatment with 40 mg of oral atorvastatin (AT). Methods. Randomised, double blind, placebo controlled pilot study on consecutive SLE patients: 17 SLE patients were randomised into the AT arm and 20 into the placebo arm. CIMT was measured by high-resolution sonography, PONa by a spectrophotometric method, NO3 − and NO2 − by a colorimetric assay and oxLDL-β2GPI, NT, CRP, and SAA by Elisa. Results. After correction for age and disease duration oxLDL-β2GPI decreased by 27% (P=0.002) and PON/HDL ratio increased by 12% (P=0.01) but CIMT did not change. Conclusion. This pilot study revealed a decrease of oxLDL-β2GPI (oxidant marker) and an increase of PON/HDL ratio (antioxidant activity) after AT indicating a favourable effect of the drug on atherogenic pathways that should be explored on larger trials.
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