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KMID : 0043320070300070898
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Archives of Pharmacal Research
2007 Volume.30 No. 7 p.898 ~ p.904
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The Effect of 1-Furan-2-yl-3-pyridine-2-yl-propenone on Pharmacokinetic Parameters of Warfarin
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Shanmugam Srinivasan
Lee Eung-Seok
Jeong Tae-Cheon
Yong Chul-Soon
Choi Han-Gon
Woo Jong-Soo
Yoo Bong-Kyu
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Abstract
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1-Furan-2-yl-3-pyridine-2-yl-propenone (FPP-3) is an investigatory drug which has a dual inhibitory action on cyclooxygenase (COX) and 5-lipoxygenase (5-LOX). We examined its effect on the pharmacokinetics of warfarin. Three consecutive days of pretreatment with 17 mg/kg of FPP-3 had no significant effect on the pharmacokinetic parameters of warfarin when orally administered to rats. A higher dosage of FPP-3 however, did cause significant changes in the pharmacokinetic parameters of wafarin. The cytochrome P450 activity test demonstrated that the metabolism of R-warfarin was significantly inhibited by FPP-3 while there was little or no inhibition of the metabolism of S-warfarin, which is mainly responsible for its anticoagulant effect. Therefore, it appears that the alteration in the pharmacokinetic parameters of warfarin was due to the inhibitory effect of FPP-3 on the metabolism of R-warfarin. Although there was a significant increase in the plasma concentration, the area under the curve, half life of warfarin, and prothrombin time were not significantly changed. Based on these findings, the pharmacokinetic drug interaction between FPP-3 and warfarin mainly involves R-warfarin and, therefore, this interaction may not be of clinical significance in terms of warfarin-related toxicity.
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KEYWORD
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1-Furan-2-yl-3-pyridine-2-yl-propenone, Warfarin, Pharmacokinetics, Cytochrome P450, Prothrombin time
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