Omeprazole has no effect on acetaminophen kinetics in the rat

European Journal of Drug Metabolism and Pharmacokinetics
E MelzerS Bar-Meir

Abstract

We investigated in the rat the effect of the H+/H(+)-ATPase inhibitor, omeprazole, on the kinetics of acetaminophen. Two groups of rats were treated with either omeprazole 50 mg/kg/day or the vehicle for 7 days. On day seven, the pharmacokinetic parameters of acetaminophen clearance were determined in the conscious rat. Elimination rate constant, elimination half life time, clearance and volume of distribution of acetaminophen were not disturbed by omeprazole. It is concluded that in the rat, omeprazole does not affect acetaminophen kinetics and, therefore, will not increase susceptibility to acetaminophen toxicity.

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Citations

Jul 15, 1999·Journal of Clinical Gastroenterology·M SanakaM Yamanaka

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