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The effects of statin monotherapy and low-dose statin/ezetimibe on lipoprotein-associated phospholipase A₂

Authors
 Sang-Hak Lee ; Seok-Min Kang ; Donghoon Choi ; Namsik Chung ; Yangsoo Jang ; Sungha Park 
Citation
 Clinical Cardiology, Vol.34(2) : 108~112, 2011 
Journal Title
 Clinical Cardiology 
ISSN
 0160-9289 
Issue Date
2011
Abstract
BACKGROUND: Many of the pleiotropic effects of statins remain to be elucidated. HYPOTHESIS: Different statin regimens with similar lipid-lowering efficacy may have different effects on biomarkers of atherothrombosis including lipoprotein-associated phospholipase A₂ (Lp-PLA₂ ). METHODS: After a 4-week dietary lead-in, 82 hypercholesterolemic patients were randomized to 1 of 2 treatment groups: atorvastatin 20 mg or atorvastatin/ezetimibe 5 mg/5 mg. After 8 weeks of drug treatment, the groups were compared for percent change in lipid parameters, Lp-PLA₂ , interleukin-6 (IL-6), monocyte chemoattractant protein-1, and fibrinogen. RESULTS: Low-density lipoprotein cholesterol (LDL-C) lowering was comparable between the 2 groups (-47% ± 11% and -49% ± 7% in the atorvastatin and combination groups, respectively). Although Lp-PLA₂ was reduced in both groups, the reduction was greater in the atorvastatin group (-42% and -9% [median], respectively, P = 0.03). Although IL-6 was decreased only in the atorvastatin group, IL-6 changes were not significantly different between the 2 groups. The changes in monocyte chemoattractant protein-1 and fibrinogen were similar in each group. CONCLUSIONS: Atorvastatin monotherapy was stronger at reducing plasma Lp-PLA₂ than the low-dose atorvastatin/ezetimibe combination after equivalent LDL-C lowering. This result may provide evidence of potential statin effects beyond the lowering of LDL-C.
URI
http://ir.ymlib.yonsei.ac.kr/handle/22282913/92707
DOI
10.1002/clc.20853
Appears in Collections:
1. 연구논문 > 1. College of Medicine > Dept. of Internal Medicine
Yonsei Authors
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Link
 http://onlinelibrary.wiley.com/doi/10.1002/clc.20853/abstract
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