Effects of the flavonol quercetin on the bioavailability of simvastatin in pigs

被引:35
|
作者
Cermak, Rainer [1 ]
Wein, Silvia [2 ]
Wolffram, Siegfried [2 ]
Langguth, Peter [3 ]
机构
[1] Univ Leipzig, Inst Vet Physiol, D-04103 Leipzig, Germany
[2] Univ Kiel, Inst Anim Nutr & Physiol, Kiel, Germany
[3] Johannes Gutenberg Univ Mainz, Inst Pharm, D-6500 Mainz, Germany
关键词
Simvastatin; Statins; Quercetin; Bioavailability; Absorption; Pharmacokinetic interaction; IN-VITRO; DRUG-INTERACTIONS; GRAPEFRUIT JUICE; HEPATIC-METABOLISM; HEALTHY-VOLUNTEERS; ACID; PHARMACOKINETICS; ENZYMES; COMPLEMENTARY; POLYPHENOLS;
D O I
10.1016/j.ejps.2009.09.018
中图分类号
R9 [药学];
学科分类号
1007 ;
摘要
The influence of the dietary flavonol quercetin on the pharmacokinetics of the HMG-CoA reductase inhibitor simvastatin was investigated in pigs. Simvastatin (0.25 mg/kg body weight) was orally administered to six pigs either without or with quercetin (10 mg/kg). In addition, simvastatin was administered to three pigs that had received a diet supplemented with the flavonol over a period of I week. Daily quercetin intake was 10 mg/kg in these animals. Co-ingestion of quercetin with the statin did not alter area under the concentration time curve (AUC(0-infinity)), time to achieve maximum plasma concentration (t(max)) or half-life (t(1/2)) of simvastatin. However, there was a trend towards a reduction of the maximum plasma concentration (C(max)) of simvastatin when quercetin was administered concomitantly (P=0.06). As compared to controls, AUC(0-infinity) of simvastatin was significantly decreased after feeding the quercetin-supplemented diet for 1 week. The plasma ratio of simvastatin and its acid metabolite was neither altered by the concomitant quercetin ingestion nor by feeding of the flavonol over a period of I week. We conclude that chronic ingestion of high doses of the flavonol quercetin will decrease the bioavailability of simvastatin to a significant extent. (C) 2009 Elsevier B.V. All rights reserved.
引用
收藏
页码:519 / 524
页数:6
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