Effects of diet and gliclazide on the haemostatic system of non-insulin-dependent diabetics.

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Abstract
The effect of the sulphonylurea gliclazide on tests of haemostatic function was studied in 14 newly diagnosed non-insulin-dependent diabetics. After two months' treatment with diet alone 11 of the 14 were given gliclazide; the three others remained on dietary treatment. Compared with pretreatment values, significant reductions in platelets retention, factor VIII-related antigen, factor VIII coagulant activity, and plasma heparin neutralising activity accompanied a fall in the plasma glucose concentration due to either diet alone or diet and gliclazide. The beneficial effects of gliclazide on platelet abnormalities seem likely to be due to its hypoglycaemic action rather than to any direct effect on haemostatic function.