Interaction of ethanol and glipizide in humans.
The hypoglycemic effect of 2.5 mg glipizide and the potentiation of this effect by ethanol were studied in 10 normal-weight nondiabetic subjects. The reductions in blood glucose concentrations were similar in time of onset and extent (2 mM) whether glipizide was taken alone or in combination with ethanol. However, the return of blood glucose toward fasting level was delayed by ethanol. Beta-Cell secretory activity, evaluated from the concentrations of insulin and C-peptide, was unchanged by ethanol. The serum glipizide concentrations were reproducible within subjects, whereas there was a considerable interindividual variation. This heterogeneity in the rise in glipizide concentration was strongly correlated with blood glucose fall and insulin secretion. Thus, ethanol can prolong but does not augment the hypoglycemia induced by glipizide. The heterogeneity in glipizide concentration seems to be caused by an interindividual variation in kinetics.[1]References
- Interaction of ethanol and glipizide in humans. Hartling, S.G., Faber, O.K., Wegmann, M.L., Wåhlin-Boll, E., Melander, A. Diabetes Care (1987) [Pubmed]
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