Effects of Low-Dose Atorvastatin and Rosuvastatin on Plasma Lipid Profiles |
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Authors: | Dr Fabio Mazza Claudia Stefanutti Serafina Di Giacomo Antonio Vivenzio Nadia Fraone Bruno Mazzarella Antonello Bucci |
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Institution: | Department of Clinical and Medical Therapy, University of Rome 'La Sapienza', 'Umberto I' Hospital, Rome, Italy. |
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Abstract: | BACKGROUND AND OBJECTIVE: Despite the favorable effects of reduction of low-density lipoprotein-cholesterol (LDL-C) levels in decreasing the risk of coronary heart disease, many patients treated with lipid-lowering HMG-CoA reductase inhibitors (statins) do not achieve goal LDL-C levels. This may be due to high doses of statins prescribed that could potentially induce adverse effects and compromise patient safety and compliance with considerable expense in the long-term. We compared the actions of rosuvastatin and atorvastatin, administered at the low dosages of 10 and 20 mg/day, respectively, in reducing plasma LDL-C levels and their effects on other components of the atherogenic lipid profile in patients with primary hypercholesterolemia. METHODS: In this randomized, parallel group, open-label clinical study, 106 patients with LDL-C >200 mg/dL were treated with rosuvastatin 10 mg/day (group A; n = 52), or atorvastatin 20 mg/day (group B; n = 54) for 48 weeks. RESULTS: At 48 weeks, rosuvastatin 10 mg/day was associated with a significantly greater reduction in plasma LDL-C levels compared with atorvastatin 20 mg/day (-44.32% vs -30%; p < 0.005). Compared with atorvastatin, rosuvastatin also produced a greater reduction in plasma total cholesterol, triglycerides, and non-high-density lipoprotein-cholesterol (non-HDL-C) levels (p < 0.005). Plasma HDL-C levels were not affected significantly, independent of the drug used. CONCLUSION: In high-risk patients with primary hypercholesterolemia, rosuvastatin 10 mg/day was more efficacious than atorvastatin 20 mg/day in reducing plasma LDL-C levels, enabling goal LDL-C levels to be achieved and improving other lipid parameters. Both treatments were well tolerated over 48 weeks. |
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