Cited by 225Lipoproteins and Cardiovascular HealthAtherosclerosis and Cardiovascular DiseasesCholesterol and Lipid Metabolism

High-Dose Atorvastatin Reduces Total Plasma Levels of Oxidized Phospholipids and Immune Complexes Present on Apolipoprotein B-100 in Patients With Acute Coronary Syndromes in the MIRACL Trial

Tsimikas, Sotirios, Witztum, Joseph L., Miller, Elizabeth R., Sasiela, William J., Szarek, Michael, Olsson, Anders G., Schwartz, Gregory G.·2004·Circulation

Abstract

Background— Oxidized phospholipids (OxPL) are present within atherosclerotic plaques and bound by lipoprotein (a) [Lp(a)] in plasma. This study evaluated the impact of atorvastatin on oxidized LDL (OxLDL) in patients with acute coronary syndromes (ACS). Methods and Results— OxLDL-E06 (OxPL content on apolipoprotein B-100 [apoB] detected by antibody E06), apoB-100 immune complexes (apoB-IC), OxLDL autoantibodies, and Lp(a) levels were measured in 2341 patients at baseline and after 16 weeks of treatment with atorvastatin 80 mg/d or placebo. The OxLDL-E06 and apoB-IC data are reported per apoB-100 particle (OxPL/apoB, IC/apoB) and as total levels on all apoB-100 particles (total apoB-OxPL and total apoB-IC [eg, OxPL/apoB or IC/apoB×apoB-100 levels]). Compared with baseline values, atorvastatin reduced apoB-100 (−33%), total apoB-OxPL (−29.7%), total apoB-IC IgG (−29.5%), and IgM (−25.7%) ( P <0.0001 for all), whereas no change or an increase was observed with placebo. When normalized per apoB-100, compared with placebo, atorvastatin increased OxPL/apoB (9.5% versus −3.9%, P <0.0001) and Lp(a) (8.8% versus −0.7%, ( P <0.0001). A strong correlation was noted between OxPL/apoB and Lp(a) ( R =0.85, P <0.0001), consistent with previous data that Lp(a) binds OxPL. Conclusions— After atorvastatin treatment, total OxPL on all apoB-100 particles was decreased. However, there was enrichment of OxPL on a smaller pool of apoB-100 particles, in parallel with similar increases in Lp(a), suggesting binding by Lp(a). These data support the hypothesis that atorvastatin promotes mobilization and clearance of proinflammatory OxPL, which may contribute to a reduction in ischemic events after ACS.

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Authors
Tsimikas, S., Witztum, J. L., Miller, E. R., Sasiela, W. J., Szarek, M., Olsson, A. G., & Schwartz, G. G.
Affiliations
Linköping University (SE)
Corresponding author
Tsimikas, Sotirios
Venue
Circulation
Published
2004-09-14
Volume
110
Issue
11
Pages
1406-1412
ISSN
  • 0009-7322 (ISSN-L)
  • 1524-4539
OpenAlex
W2109629533
Cited by
225
References
45
Citations by year
2026: 2 · 2025: 6 · 2024: 8 · 2023: 10 · 2022: 10 · 2021: 5 · 2020: 7 · 2019: 6 · 2018: 8 · 2017: 6 · 2016: 15 · 2015: 13 · 2014: 10 · 2013: 10 · 2012: 9
FWCI
14.84
Type
journal article
Language
en
Open access
closed
Locations
  • Circulation (publishedVersion)
  • PubMed (publishedVersion)
Funders
  • Donald W. Reynolds Foundation
  • Pfizer
  • National Heart, Lung, and Blood Institute (P50HL056989, HL-56989)
Topics
  • Health Sciences › Medicine › Surgery › Lipoproteins and Cardiovascular Health
  • Life Sciences › Immunology and Microbiology › Immunology › Atherosclerosis and Cardiovascular Diseases
  • Health Sciences › Medicine › Surgery › Cholesterol and Lipid Metabolism
Keywords
atorvastatin, oxidized phospholipids, oxidized LDL, apolipoprotein B-100, immune complexes, lipoprotein(a), acute coronary syndrome, statin therapy, atherosclerosis, atherosclerotic plaque
MeSH terms
Atorvastatin, Aged, Angina, Unstable, Antigen-Antibody Complex, Apolipoproteins B, Autoantibodies, Double-Blind Method, Female, Heptanoic Acids, Humans, Immunoglobulin G, Immunoglobulin M, Lipoproteins, LDL, Male, Middle Aged, Myocardial Infarction, Oxidation-Reduction, Phospholipids, Pyrroles, Lipoprotein(a), Hydroxymethylglutaryl-CoA Reductase Inhibitors, Apolipoprotein B-100

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