The Effects of Statin Dose, Lipophilicity, and Combination of Statins plus Ezetimibe on Circulating Oxidized Low-Density Lipoprotein Levels: A Systematic Review and Meta-Analysis of Randomized Controlled Trials

Background. Elevated plasma low-density lipoprotein cholesterol (LDL-C) is the main risk factor for atherosclerotic cardiovascular disease (ASCVD). Statins are the drugs of choice for decreasing LDL-C and are used for the prevention and management of ASCVD. Guidelines recommend that subjects with hi...

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Main Authors: Tannaz Jamialahmadi, Fatemeh Baratzadeh, Željko Reiner, Luis E. Simental-Mendía, Suowen Xu, Andrey V. Susekov, Raul D. Santos, Amirhossein Sahebkar
Format: Article
Language:English
Published: Wiley 2021-01-01
Series:Mediators of Inflammation
Online Access:http://dx.doi.org/10.1155/2021/9661752
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author Tannaz Jamialahmadi
Fatemeh Baratzadeh
Željko Reiner
Luis E. Simental-Mendía
Suowen Xu
Andrey V. Susekov
Raul D. Santos
Amirhossein Sahebkar
author_facet Tannaz Jamialahmadi
Fatemeh Baratzadeh
Željko Reiner
Luis E. Simental-Mendía
Suowen Xu
Andrey V. Susekov
Raul D. Santos
Amirhossein Sahebkar
author_sort Tannaz Jamialahmadi
collection DOAJ
description Background. Elevated plasma low-density lipoprotein cholesterol (LDL-C) is the main risk factor for atherosclerotic cardiovascular disease (ASCVD). Statins are the drugs of choice for decreasing LDL-C and are used for the prevention and management of ASCVD. Guidelines recommend that subjects with high and very high ASCVD risk should be treated with high-intensity statins or a combination of high-intensity statins and ezetimibe. The lipophilicity or hydrophilicity (solubility) of statins is considered to be important for at least some of their LDL-C lowering independent pleiotropic effects. Oxidative modification of LDL (ox-LDL) is considered to be the most important atherogenic modification of LDL and is supposed to play a crucial role in atherogenesis and ASCVD outcomes. Objective. The aim of this systematic review and meta-analysis was to find out what are the effects of statin intensity, lipophilicity, and combination of statins plus ezetimibe on ox-LDL. Methods. PubMed, Scopus, Embase, and Web of Science were searched from inception to February 5, 2021, for randomized controlled trials (RCTs). Two independent and blinded authors evaluated eligibility by screening the titles and abstracts of the studies. Risk of bias in the studies included in this meta-analysis was evaluated according to the Cochrane instructions. Meta-analysis was performed using Comprehensive Meta-Analysis (CMA) V2 software. Evaluation of funnel plot, Begg’s rank correlation, and Egger’s weighted regression tests were used to assess the presence of publication bias. Results. Among the 1427 published studies identified by a systematic databases search, 20 RCTs were finally included in the systematic review and meta-analysis. A total of 1874 patients are included in this meta-analysis. This meta-analysis suggests that high-intensity statin treatment is associated with a significant decrease in circulating concentrations of ox-LDL when compared with low-to-moderate treatment (SMD: -0.675, 95% CI: -0.994, -0.357, p<0.001; I2: 55.93%). There was no difference concerning ox-LDL concentration between treatments with hydrophilic and lipophilic statins (SMD: -0.129, 95% CI: -0.330, -0.071, p=0.206; I2: 45.3%), but there was a significant reduction in circulating concentrations of ox-LDL associated with statin plus ezetimibe combination therapy when compared with statin monotherapy (SMD: -0.220, 95% CI: -0.369, -0.071, p=0.004; I2: 0%). Conclusion. High-dose statin or combination of statins with ezetmibe reduces plasma ox-LDL in comparison low-to-moderate intensity statin therapy alone. Statin lipophilicity is not associated with reduction in ox-LDL plasma concentrations.
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spelling doaj-art-feee0207039a4f40af1acbbc173ec34d2025-02-03T07:24:01ZengWileyMediators of Inflammation0962-93511466-18612021-01-01202110.1155/2021/96617529661752The Effects of Statin Dose, Lipophilicity, and Combination of Statins plus Ezetimibe on Circulating Oxidized Low-Density Lipoprotein Levels: A Systematic Review and Meta-Analysis of Randomized Controlled TrialsTannaz Jamialahmadi0Fatemeh Baratzadeh1Željko Reiner2Luis E. Simental-Mendía3Suowen Xu4Andrey V. Susekov5Raul D. Santos6Amirhossein Sahebkar7Department of Food Science and Technology, Quchan Branch, Islamic Azad University, Quchan, IranSchool of Pharmacy, Mashhad University of Medical Sciences, Mashhad, IranDepartment of Internal Medicine, University Hospital Centre Zagreb, School of Medicine, University of Zagreb, Zagreb, CroatiaBiomedical Research Unit, Mexican Social Security Institute, Durango, MexicoDivision of Life Sciences and Medicine, University of Science and Technology of China, Hefei, ChinaGBOU DPO Russian Medical Academy for Postgraduate Medical Education Ministry of Health, Moscow, RussiaLipid Clinic Heart Institute (Incor), University of São Paulo, Medical School Hospital, São Paulo, BrazilApplied Biomedical Research Center, Mashhad University of Medical Sciences, Mashhad, IranBackground. Elevated plasma low-density lipoprotein cholesterol (LDL-C) is the main risk factor for atherosclerotic cardiovascular disease (ASCVD). Statins are the drugs of choice for decreasing LDL-C and are used for the prevention and management of ASCVD. Guidelines recommend that subjects with high and very high ASCVD risk should be treated with high-intensity statins or a combination of high-intensity statins and ezetimibe. The lipophilicity or hydrophilicity (solubility) of statins is considered to be important for at least some of their LDL-C lowering independent pleiotropic effects. Oxidative modification of LDL (ox-LDL) is considered to be the most important atherogenic modification of LDL and is supposed to play a crucial role in atherogenesis and ASCVD outcomes. Objective. The aim of this systematic review and meta-analysis was to find out what are the effects of statin intensity, lipophilicity, and combination of statins plus ezetimibe on ox-LDL. Methods. PubMed, Scopus, Embase, and Web of Science were searched from inception to February 5, 2021, for randomized controlled trials (RCTs). Two independent and blinded authors evaluated eligibility by screening the titles and abstracts of the studies. Risk of bias in the studies included in this meta-analysis was evaluated according to the Cochrane instructions. Meta-analysis was performed using Comprehensive Meta-Analysis (CMA) V2 software. Evaluation of funnel plot, Begg’s rank correlation, and Egger’s weighted regression tests were used to assess the presence of publication bias. Results. Among the 1427 published studies identified by a systematic databases search, 20 RCTs were finally included in the systematic review and meta-analysis. A total of 1874 patients are included in this meta-analysis. This meta-analysis suggests that high-intensity statin treatment is associated with a significant decrease in circulating concentrations of ox-LDL when compared with low-to-moderate treatment (SMD: -0.675, 95% CI: -0.994, -0.357, p<0.001; I2: 55.93%). There was no difference concerning ox-LDL concentration between treatments with hydrophilic and lipophilic statins (SMD: -0.129, 95% CI: -0.330, -0.071, p=0.206; I2: 45.3%), but there was a significant reduction in circulating concentrations of ox-LDL associated with statin plus ezetimibe combination therapy when compared with statin monotherapy (SMD: -0.220, 95% CI: -0.369, -0.071, p=0.004; I2: 0%). Conclusion. High-dose statin or combination of statins with ezetmibe reduces plasma ox-LDL in comparison low-to-moderate intensity statin therapy alone. Statin lipophilicity is not associated with reduction in ox-LDL plasma concentrations.http://dx.doi.org/10.1155/2021/9661752
spellingShingle Tannaz Jamialahmadi
Fatemeh Baratzadeh
Željko Reiner
Luis E. Simental-Mendía
Suowen Xu
Andrey V. Susekov
Raul D. Santos
Amirhossein Sahebkar
The Effects of Statin Dose, Lipophilicity, and Combination of Statins plus Ezetimibe on Circulating Oxidized Low-Density Lipoprotein Levels: A Systematic Review and Meta-Analysis of Randomized Controlled Trials
Mediators of Inflammation
title The Effects of Statin Dose, Lipophilicity, and Combination of Statins plus Ezetimibe on Circulating Oxidized Low-Density Lipoprotein Levels: A Systematic Review and Meta-Analysis of Randomized Controlled Trials
title_full The Effects of Statin Dose, Lipophilicity, and Combination of Statins plus Ezetimibe on Circulating Oxidized Low-Density Lipoprotein Levels: A Systematic Review and Meta-Analysis of Randomized Controlled Trials
title_fullStr The Effects of Statin Dose, Lipophilicity, and Combination of Statins plus Ezetimibe on Circulating Oxidized Low-Density Lipoprotein Levels: A Systematic Review and Meta-Analysis of Randomized Controlled Trials
title_full_unstemmed The Effects of Statin Dose, Lipophilicity, and Combination of Statins plus Ezetimibe on Circulating Oxidized Low-Density Lipoprotein Levels: A Systematic Review and Meta-Analysis of Randomized Controlled Trials
title_short The Effects of Statin Dose, Lipophilicity, and Combination of Statins plus Ezetimibe on Circulating Oxidized Low-Density Lipoprotein Levels: A Systematic Review and Meta-Analysis of Randomized Controlled Trials
title_sort effects of statin dose lipophilicity and combination of statins plus ezetimibe on circulating oxidized low density lipoprotein levels a systematic review and meta analysis of randomized controlled trials
url http://dx.doi.org/10.1155/2021/9661752
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