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Atherosclerosis. 1990 Dec;85(2-3):219-27.

Efficacy and safety of pravastatin in patients with primary hypercholesterolemia. II. Once-daily versus twice-daily dosing.

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  • 1University of Minnesota School of Medicine, Minneapolis.


This 8-week multicenter, placebo-controlled trial compared the efficacy and safety of the HMG-CoA reductase inhibitor, pravastatin, when administered either as single doses of 40 mg in the morning (AM) or evening (PM) or 20 mg twice daily (bid) in 196 diet-stabilized outpatients with primary type II hypercholesterolemia. Mean reductions in total and low-density lipoprotein (LDL) cholesterol concentrations were observed in all pravastatin groups after 1 week and were sustained throughout the study (P less than or equal to 0.001 versus baseline and placebo). At week 8, mean reductions from baseline in the pravastatin treatment groups were 23-27% for total cholesterol and 30-34% for LDL cholesterol. LDL cholesterol was reduced greater than or equal to 15% by pravastatin in all patients in the group treated with 40 mg PM and in 88 and 96% in those receiving 20 mg bid and 40 mg AM, respectively. High density lipoprotein cholesterol was elevated (up to 8%) and triglycerides were reduced (up to 25%) by all pravastatin regimens (P less than or equal to 0.05). Pravastatin was well tolerated and was associated with a low incidence of adverse events. No patient withdrew from the study due to a pravastatin-related adverse event. Once-daily pravastatin is a safe and effective treatment for patients with primary hypercholesterolemia and has a favorable safety profile.

[PubMed - indexed for MEDLINE]
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