Long-term treatment of hypercholesterolemic non-insulin dependent diabetics (NIDDM) with pravastatin (CS-514)
Abstract
We examined the long-term effect of pravastatin, a new potent inhibitor of endogenous cholesterol biosynthesis, on glucose and lipid metabolism in hyperlipidemic NIDDM. Ten patients (5 on sulfonylurea, 5 on diet) were studied over 12 months. Five were WHO type IIa and 5 were type IIb. Blood was taken before and then 1, 6 and 12 months after initiating 10 or 20 mg daily of pravastatin. The cholesterol concentration in whole plasma and very low density lipoprotein (VLDL), plasma triglyceride and apolipoprotein (apo) B were all significantly decreased within the first month. These changes lasted for 1 year. High density lipoprotein (HDL)-cholesterol increased in the first month but returned to base line thereafter. Low density lipoprotein (LDL)-cholesterol tended to decrease in the first month, and was suppressed significantly from the 6th month (11%) to the 12th month (16%). The effect of pravastatin on LDL-cholesterol in NIDDM was slower and weaker than that published for non-diabetic hypercholesterolemia. Therefore, the mechanism by which pravastatin suppresses plasma cholesterol levels in these two conditions may differ. After 1 year, no adverse effects were noted on hematopoietic, hepatic or renal function. Blood glucose leve...Continue Reading
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