Please use this identifier to cite or link to this item: https://doi.org/10.1016/S0928-0987(02)00148-3
Title: Effect of 5-fluorouracil on the anticoagulant activity and the pharmacokinetics of warfarin enantiomers in rats
Authors: Zhou, Q.
Chan, E. 
Keywords: 5-Fluorouracil
Pharmacodynamics
Pharmacokinetics
Stereoselective drug interactions
Warfarin
Issue Date: Oct-2002
Citation: Zhou, Q., Chan, E. (2002-10). Effect of 5-fluorouracil on the anticoagulant activity and the pharmacokinetics of warfarin enantiomers in rats. European Journal of Pharmaceutical Sciences 17 (1-2) : 73-80. ScholarBank@NUS Repository. https://doi.org/10.1016/S0928-0987(02)00148-3
Abstract: The interaction between the antineoplastic agent 5-fluorouracil (5-FU) and the oral anticoagulant warfarin enantiomers was investigated in rats. An increase in hypoprothrombinaemic response, assessed by means of percent changes of prothrombin complex activity and clotting factor VII activity, to warfarin, was observed following oral administration of 1.5 mg/kg racemic warfarin to rats during a 8-day intraperitoneal dose regimen of 5-FU (13.3 mg/kg daily). 5-FU had no apparent effect on the baseline blood coagulation, the in vitro rat serum protein binding as well as the absorption and distribution of the S- and R-enantiomers of warfarin in rats. Yet treatment with 5-FU produced a significant decrease in the total serum clearance value of S-warfarin in rats. The decreased total clearance was attributed mainly to a significant decrease in the formation rate of the overall oxidative metabolites of the more potent S-enantiomer of warfarin. © 2002 Elsevier Science B.V. All rights reserved.
Source Title: European Journal of Pharmaceutical Sciences
URI: http://scholarbank.nus.edu.sg/handle/10635/105864
ISSN: 09280987
DOI: 10.1016/S0928-0987(02)00148-3
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