JOURNAL ARTICLE
MULTICENTER STUDY
RANDOMIZED CONTROLLED TRIAL

Safety and efficacy of ezetimibe added to atorvastatin versus up titration of atorvastatin to 40 mg in Patients > or = 65 years of age (from the ZETia in the ELDerly [ZETELD] study)

Franklin Zieve, Nanette K Wenger, Ori Ben-Yehuda, Christian Constance, Steven Bird, Raymond Lee, Mary E Hanson, Charlotte Jones-Burton, Andrew M Tershakovec
American Journal of Cardiology 2010 March 1, 105 (5): 656-63
20185012
Few clinical studies have focused on the efficacy of lipid-lowering therapies in patients > or = 65 years of age. The percentage of change from baseline in low-density lipoprotein (LDL) cholesterol and the percentage of patients achieving prespecified LDL cholesterol levels after 12 weeks of ezetimibe 10 mg plus atorvastatin versus up titration of atorvastatin were assessed in subjects > or = 65 years old with hyperlipidemia and at high risk of coronary heart disease. After stabilization of atorvastatin 10-mg therapy, 1,053 patients, > or = 65 years old, at high risk of coronary heart disease, with and without atherosclerotic vascular disease and a LDL cholesterol level that was not <70 or <100 mg/dl, respectively, were randomized to receive ezetimibe added to atorvastatin 10 mg for 12 weeks versus up titration to atorvastatin 20 mg for 6 weeks followed by up titration to atorvastatin 40 mg for an additional 6 weeks. Ezetimibe added to atorvastatin 10 mg resulted in significantly greater changes at week 6 in LDL cholesterol (p <0.001), significantly more patients with atherosclerotic vascular disease achieving a LDL cholesterol level of <70 mg/dl (p <0.001), and significantly more patients without atherosclerotic vascular disease achieving a LDL cholesterol level of <100 mg/dl (p <0.001) at weeks 6 and 12 compared to atorvastatin 20 mg or atorvastatin 40 mg. In addition, ezetimibe plus atorvastatin 10 mg resulted in significantly greater changes at week 6 in total cholesterol, triglycerides, non-high-density lipoprotein (HDL) cholesterol, apolipoprotein B (all p <0.001), and HDL cholesterol (p = 0.021) compared with atorvastatin 20 mg and significantly greater changes at week 12 in LDL cholesterol, non-HDL cholesterol, apolipoprotein A-I (p = 0.001), total cholesterol, apolipoprotein B (p <0.030), and HDL cholesterol (p <0.001) compared with atorvastatin 40 mg. Both treatments were generally well tolerated, with comparable safety profiles. In conclusion, adding ezetimibe to atorvastatin 10 mg produced significantly greater favorable changes in most lipids at 6 and 12 weeks and significantly greater attainment of prespecified LDL cholesterol levels than doubling or quadrupling the atorvastatin dose in patients > or =65 years old at high risk for coronary heart disease.

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