The effects on the coagulative and rheologic pattern of two lipid-lowering drugs, bezafibrate and simvastatin, were studied in 36 hypercholesterolemic subjects. Patients were randomly divided into two groups (18 subjects each) and received bezafibrate R 400 mg/day or simvatatin 10-40 mg/day over a twelve week period. Besides a decrease in plasma fibrinogen and fibrinopeptide A (p less than 0.001 both), bezafibrate induced a reduction of factor VIIc and VIIIc activity (p less than 0.001 both), while antithrombin 3 activity was increased (p less than 0.001) and the hemorheologic pattern was greatly improved (p less than 0.001). Simvastatin caused a slight decrease in factor VIIIc activity and a moderate reduction of beta-thromboglobulin. The efficacy of bezafibrate in reducing the activation of the coagulative cascade and improving the hemorheologic pattern has been confirmed; the peculiar triglycerides- and fibrinogen-lowering effect of the drug, not observed with simvastatin, could be responsible for these modifications.
Effects of picotamide on platelet activity and on some hemorheologic, coagulative, and hemodynamic parameters were investigated in a randomized, double-blind, placebo-controlled study for eighteen months. Twenty patients, average age 61.5 +/- 9.6 (SD) years, with peripheral arterial disease (PAD) at functional stage 2 of the Fontaine classification and with intermittent claudication for at least six months were studied. Ten patients received tablets of picotamide, 300 mg three times a day, and 10 subjects received three identical placebo tablets each day. Similar atherosclerotic disease risk factors were present in both groups. Picotamide induced a significant decrease of plasma viscosity, fibrinogen, and beta-thromboglobulin and an increase of amplitude of the photoplethysmographic wave.
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