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  • Title: Potential benefit of statin therapy for dyslipidemia with chronic kidney disease: Fluvastatin Renal Evaluation Trial (FRET).
    Author: Inoue T, Ikeda H, Nakamura T, Abe S, Taguchi I, Kikuchi M, Toyoda S, Miyazono M, Kishi T, Sanai T, Node K.
    Journal: Intern Med; 2011; 50(12):1273-8. PubMed ID: 21673461.
    Abstract:
    BACKGROUND: Dyslipidemia is a common complication of chronic kidney disease (CKD) and contributes to cardiovascular morbidity and mortality of CKD patients. AIM: The aim of the present study was to determine whether fluvastatin, which is mostly characterized by its pleiotropic anti-oxidant effects, has renoprotective effects in dyslipidemic patients with CKD. METHODS: In 43 dyslipidemic patients with CKD taking fluvastatin 10 mg/day, 20 mg/day or 30 mg/day, renal functions as well as lipid profiles were assessed. RESULTS: After 3 months of treatment with fluvastatin, LDL-cholesterol level significantly decreased. Serum creatinine level, estimated glomerular filtration rate (eGFR), urinary albumin excretion (UAE), urinary liver-type fatty acid binding protein (L-FABP) level and urinary 8-hydroxydeoxyguanosine (8-OHdG) level did not change in overall patients. However, in patients with microalbuminuria (baseline UAE ≥ 30 mg/g·creatinine; n = 23), the UAE significantly decreased [2.43 ± 0.67 to 1.98 ± 0.80 log(mg/g·creatinine), p = 0.01]. In patients with high L-FABP group (baseline L-FABP ≥ 11 µg/g·creatinine; n = 18), the urinary L-FABP level was significantly decreased (1.52 ± 0.45 to 1.26 ± 0.43 µg/g·creatinine, p < 0.01). In the limited 23 patients with microalbuminuria, the L-FABP level was significantly decreased [1.20 ± 0.62 to 1.03 ± 0.49 log(µg/g·creatinine), p = 0.042], although the LDL-cholesterol level (139 ± 28 to 129 ± 23 mg/dL, p = 0.08) only showed a tendency to decrease. The 8-OHdG level also was significantly decreased (13.6 ± 9.6 to 9.8 ± 3.8 ng/g·creatinine, p = 0.043). In the overall patients, changes in the values for UAE and urinary L-FABP were not correlated with the changes in LDL-levels. CONCLUSION: Fluvastatin reduces both UAE and the urinary L-FABP level, and thus, has renoprotective effects, independent of its lipid lowering effects in dyslipidemic patients with CKD.
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