{"title":"Effects of statins on circulating oxidized low-density lipoprotein in patients with hypercholesterolemia.","authors":"Shigenobu Inami, Kentaro Okamatsu, Masamichi Takano, Gen Takagi, Shunta Sakai, Junko Sano, Kyoichi Mizuno","doi":"10.1536/jhj.45.969","DOIUrl":null,"url":null,"abstract":"<p><strong>Unlabelled: </strong>Recently, it has been reported that circulating oxidized low-density lipoprotein (Ox-LDL) might be a pivotal indicator for coronary artery disease and the severity of acute coronary syndromes. The purpose of this study was to investigate the effects of statins on Ox-LDL in patients with hypercholesterolemia. Sixteen patients with hypercholesterolemia were randomly assigned to 2 groups, one received 10 mg of pravastatin (n = 8) and the other received 20 mg of fluvastatin (n = 8). The plasma level of Ox-LDL was measured using a newly developed sandwich enzyme-linked immunosorbent assay (ELISA) method. There were no differences between the two groups in Ox-LDL, total cholesterol (TC), or LDL cholesterol (LDL-C) at the baseline. The reduction in Ox-LDL in the fluvastatin group was significantly higher than that in the pravastatin group (47.5% versus 25.2%, P = 0.033). The reductions in TC and LDL-C did not differ between the two groups.</p><p><strong>Conclusion: </strong>The present study has shown for the first time that the level of circulating Ox-LDL was significantly decreased by treatment with statins. In addition, the lowering effect of statins on the circulating Ox-LDL was independent of their lipid-lowering effect. Fluvastatin was more effective than pravastatin with regard to decreasing the circulating Ox-LDL.</p>","PeriodicalId":14717,"journal":{"name":"Japanese heart journal","volume":null,"pages":null},"PeriodicalIF":0.0000,"publicationDate":"2004-11-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":"31","resultStr":null,"platform":"Semanticscholar","paperid":null,"PeriodicalName":"Japanese heart journal","FirstCategoryId":"1085","ListUrlMain":"https://doi.org/10.1536/jhj.45.969","RegionNum":0,"RegionCategory":null,"ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":null,"EPubDate":"","PubModel":"","JCR":"","JCRName":"","Score":null,"Total":0}
引用次数: 31
Abstract
Unlabelled: Recently, it has been reported that circulating oxidized low-density lipoprotein (Ox-LDL) might be a pivotal indicator for coronary artery disease and the severity of acute coronary syndromes. The purpose of this study was to investigate the effects of statins on Ox-LDL in patients with hypercholesterolemia. Sixteen patients with hypercholesterolemia were randomly assigned to 2 groups, one received 10 mg of pravastatin (n = 8) and the other received 20 mg of fluvastatin (n = 8). The plasma level of Ox-LDL was measured using a newly developed sandwich enzyme-linked immunosorbent assay (ELISA) method. There were no differences between the two groups in Ox-LDL, total cholesterol (TC), or LDL cholesterol (LDL-C) at the baseline. The reduction in Ox-LDL in the fluvastatin group was significantly higher than that in the pravastatin group (47.5% versus 25.2%, P = 0.033). The reductions in TC and LDL-C did not differ between the two groups.
Conclusion: The present study has shown for the first time that the level of circulating Ox-LDL was significantly decreased by treatment with statins. In addition, the lowering effect of statins on the circulating Ox-LDL was independent of their lipid-lowering effect. Fluvastatin was more effective than pravastatin with regard to decreasing the circulating Ox-LDL.
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