LDL-C goal attainment with ezetimibe plus simvastatin coadministration vs atorvastatin or simvastatin monotherapy in patients at high risk of CHD

James McKenney, Christie M Ballantyne, Theodore A Feldman, William E Brady, Arvind Shah, Michael J Davies, Joanne Palmisano, Yale B Mitchel
MedGenMed: Medscape General Medicine 2005, 7 (3): 3

AIMS: To compare the proportion of patients at high risk for coronary heart disease (CHD) achieving the recommended low-density lipoprotein cholesterol (LDL-C) treatment goal of < 100 mg/dL and the optional LDL-C target of < 70 mg/dL with coadministration of ezetimibe and simvastatin (EZE/SIMVA) vs either atorvastatin or simvastatin monotherapy.

PATIENTS: Patients with established CHD or CHD risk equivalent according to National Cholesterol Education Program Adult Treatment Panel III (NCEP ATP III) criteria with baseline LDL-C = 130 mg/dL and triglycerides (TG) < or = 350 mg/dL.

METHODS: A post hoc analysis from 2 separate studies assessed the percentage of high-risk patients achieving the LDL-C targets (< 100 and < 70 mg/dL) after 6 weeks on the usual recommended starting doses of the following treatments: EZE/SIMVA (10/20 mg) vs atorvastatin (10 mg) or simvastatin (20 mg). Depending on the study, EZE/SIMVA 10/10 or 10/40 mg was also compared with either atorvastatin 10 mg or simvastatin 20 mg. Percent change in other lipid parameters from baseline to study endpoint was also examined.

RESULTS: In both studies, the proportions of patients achieving an LDL-C of < 100 mg/dL were significantly (P < .001) greater for EZE/SIMVA 10/10, 10/20, or 10/40 mg vs either atorvastatin 10 mg or simvastatin 20 mg after 6 weeks. The percentage reaching the optional LDL-C treatment target of < 70 mg/dL was also significantly higher with EZE/SIMVA compared with either atorvastatin or simvastatin. Percent reduction in LDL-C was significantly (P < .001) larger with all doses of EZE/SIMVA (46% to 59%) compared with either atorvastatin 10 mg (37%) or simvastatin 20 mg (38%) monotherapy after 6 weeks. Changes in other lipid parameters consistently favored EZE/SIMVA vs statin monotherapy. All treatments were well tolerated in both studies.

CONCLUSION: Patients at high risk for CHD are more likely to attain LDL-C treatment targets with the usual recommended starting dose of EZE/SIMVA (10 or 20 mg) therapy than with that of atorvastatin (10 mg) or simvastatin (20 mg) monotherapy.

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