Journal
AMERICAN JOURNAL OF CARDIOLOGY
Volume 101, Issue 4, Pages 486-489Publisher
EXCERPTA MEDICA INC-ELSEVIER SCIENCE INC
DOI: 10.1016/j.amjcard.2007.09.095
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Diabetes mellitus is a strong risk factor for atherosclerosis and is often characterized by. dyslipidemia. Besides acting on traditional lipids, statins and fibrates may also exert beneficial effects on various pro- and antiatherogenic lipid subparticles. This analysis was undertaken to evaluate combination therapy on lipid subparticles in the Diabetes and. Combined Lipid Therapy Regimen (DIACOR) study. Patients with type 2 diabetes mellitus and no histories of coronary heart disease were evaluated (n = 498). Eligible patients underwent a 6- to 8-week washout period of all lipid-lowering medications and were enrolled if they demonstrated mixed dyslipidemia (having >= 2 of the following 3 lipid parameters: low-density lipoprotein [LDL] cholesterol a:100 mg/dl, triglycerides >= 200 mg/dl, and high-density lipoprotein cholesterol <40 mg/dl). Patients were randomized to simvastatin 20 mg, fenofibrate 160 mg, or combined simvastatin 20 mg and fenofibrate 160 mg. Lipid subparticles were assessed 12 weeks after randomization by the Vertical Auto Profile 11 method. A total of 300 patients (mean age 61.6 +/- 11.5 years, 55% men) were randomized. Combination therapy was superior in lowering LDL cholesterol pattern B (-33.9 mg/dl) and dense very low-density lipoprotein cholesterol (-10.0 mg/dl) and increasing high-density lipoprotein(3) (+2.3 mg/dl) and exerted the greatest change in altering the LDL cholesterol size profile. A potential effect on lipoprotein(a) (-0.5 mg/dl) was also found. For those with triglycerides; > 170 mg/dl, combination therapy was superior in lowering dense very low density lipoprotein cholesterol (-10.7 mg/dl) and LDL cholesterol pattern B (-35.8 mg/dl), the lipids that tend to be formed in the presence of elevated triglycerides. In conclusion, in this trial of mixed dyslipidemic patients with diabetes, combination therapy was more effective in changing a variety of other cardiovascular risk markers. (C) 2008 Elsevier Inc. All rights reserved.
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