, Volume 12, Issue 5, pp 380-384

The Effect of Fluvastatin on Parameters of Bone Remodeling

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Abstract:

Statins decrease the hepatic biosynthesis of cholesterol, and reduce the incidence of myocardial infarction in women who have already experienced a myocardial infarction. Statins also reduce the risk of atherosclerosis in diabetic patients, but it is unknown whether they influence the glucose tolerance. It has further been suggested that they may influence bone metabolism. Vitamin C is an antioxidant and it decreases serum cholesterol moderately. Antioxidants may also have other metabolic effects, but these are insufficiently studied. The aim of the present study was to investigate the metabolic effects of the cholesterol-lowering agent fluvastatin and the antioxidant vitamin C. Sixty-eight elderly, postmenopausal women with osteoporosis and mild hypercholesterolemia were randomly assigned to 12 weeks open treatment with either fluvastatin (40 mg daily) + 500 mg vitamin C (n = 45) or vitamin C only (n = 23). We measured biochemical markers of bone formation (serum osteocalcin and total alkaline phosphatase) and bone resorption (serum and urinary CTX), parameters related to diabetes and serum lipids and lipoproteins. Fluvastatin in combination with vitamin C had no effect on bone formation markers. We found a weak decrease in parameters of bone resorption, which was significant from baseline, but not different between the two groups. There were no significant effects on any of the other markers of either fluvastatin or vitamin C. The lipid-lowering effect of fluvastatin was confirmed with a decrease of 20% and 30% in serum total cholesterol and LDL-cholesterol, respectively. We conclude that fluvastatin given in clinically relevant doses has no influence on parameters of bone remodeling. Other statins remain to be investigated.

Received: 6 June 2000 / Accepted: 4 December 2000