期刊
DIABETES OBESITY & METABOLISM
卷 9, 期 4, 页码 575-584出版社
WILEY
DOI: 10.1111/j.1463-1326.2007.00725.x
关键词
atorvastatin; ezetimibe/simvastatin; low-density lipoprotein cholesterol; type 2 diabetes mellitus
Aim: This randomized, double-blind study evaluated the efficacy of switching from atorvastatin (ATV) 10 mg to ezetimibe/simvastatin (EZE/SIMVA) 10/20 mg, EZE/SIMVA 10/40 mg or doubling the dose of ATV from 10 to 20 mg in patients with type 2 diabetes (T2D). Methods: Eligible patients had haemoglobin A(1C) <= 10%, were aged >= 18 years and were on ATV 10 mg for >= 6 weeks before study entry. After a 4-week open-label ATV 10 mg run-in, patients were randomized to EZE/SIMVA 10/20 mg (n = 220), EZE/SIMVA 10/40 mg (n = 222) or ATV 20 g (n = 219) daily for 6 weeks. Results: Greater (p <= 0.001) reductions in low-density lipoprotein cholesterol (LDL-C) (the primary end-point) were achieved by switching to EZE/SIMVA 10/20 mg (26.2%) or 10/40 mg (30.1%) than by doubling the dose of ATV to 20 mg (8.5%). EZE/SIMVA 10/20 mg and 10/40 mg produced greater (p <= 0.001) reductions in total cholesterol, non-high-density lipoprotein cholesterol (HDL-C) and apolipoprotein B relative to ATV 20 mg. A reduction (p <= 0.050) in C-reactive protein was observed with EZE/SIMVA 10/40 mg vs. ATV 20 mg. Similar reductions in triglycerides were observed across the three groups, and none of the treatments produced a significant change in HDL-C. A greater (p <= 0.001) proportion of patients achieved LDL-C < 2.5 mmol/l with EZE/SIMVA 10/20 mg (90.5%) and 10/40 mg (87.0%) than with ATV 20 mg (70.4%). Both EZE/SIMVA doses were generally well tolerated, with an overall safety profile similar to ATV 20 mg. Conclusions: EZE/SIMVA 10/20 and 10/40 mg provided greater lipid-altering efficacy than doubling the dose of ATV from 10 to 20 mg and were well tolerated in patients with T2D.
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