Article ; Online: Differential effects of dietary polyphenols on oral pharmacokinetics of cyclin-dependent kinase inhibitors in rats: a mechanistic framework for in vitro-in vivo extrapolation.
The Journal of pharmacy and pharmacology
2023 Volume 76, Issue 2, Page(s) 93–105
Abstract: Objectives: Cyclin-dependent kinase inhibitors are subject to rapid first-pass metabolism, and their oral absorption is hindered by intestinal CYP3A4 and P-gp. The present study investigates the impact of dietary polyphenols on the oral pharmacokinetics ...
Abstract | Objectives: Cyclin-dependent kinase inhibitors are subject to rapid first-pass metabolism, and their oral absorption is hindered by intestinal CYP3A4 and P-gp. The present study investigates the impact of dietary polyphenols on the oral pharmacokinetics of palbociclib and ribociclib, considering their potential as modulators of CYP3A4 and P-gp. Methods: Therefore, potential inhibitory effects of dietary polyphenols on drug metabolism and efflux of these drugs were investigated using molecular docking; in vitro preclinical assay using rat liver microsomes and Caco-2 cell monolayers; in vivo, pharmacokinetic parameters were determined in rats pretreated with dietary polyphenols. Key findings: Curcumin and quercetin have the highest binding affinities to the PXR's AF-2 region cluster. Curcumin and quercetin significantly inhibited both intestinal efflux and CYP3A4-mediated metabolism of palbociclib and ribociclib (P < .05). In rats pretreated with curcumin, Cmax of palbociclib exhibited a 5.13% increase, while the AUC0-24h of ribociclib showed a significant increase of 18.83% (P < .05). Quercetin administration, notably, impedes the pharmacokinetics of palbociclib. However, the pharmacokinetics of ribociclib remains unaffected by quercetin. Conclusions: In conclusion, the utilization of curcumin as a bioenhancer can enhance the bioavailability of dual substrates of P-gp and CYP3A4. |
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MeSH term(s) | Humans ; Rats ; Animals ; Cytochrome P-450 CYP3A/metabolism ; Caco-2 Cells ; Curcumin/pharmacology ; Quercetin/pharmacology ; Molecular Docking Simulation ; ATP Binding Cassette Transporter, Subfamily B, Member 1/metabolism ; Administration, Oral ; Cyclin-Dependent Kinases/metabolism ; Aminopyridines ; Purines |
Chemical Substances | ribociclib (TK8ERE8P56) ; Cytochrome P-450 CYP3A (EC 1.14.14.1) ; Curcumin (IT942ZTH98) ; Quercetin (9IKM0I5T1E) ; ATP Binding Cassette Transporter, Subfamily B, Member 1 ; Cyclin-Dependent Kinases (EC 2.7.11.22) ; Aminopyridines ; Purines |
Language | English |
Publishing date | 2023-12-12 |
Publishing country | England |
Document type | Journal Article |
ZDB-ID | 3107-0 |
ISSN | 2042-7158 ; 0022-3573 ; 0373-1022 |
ISSN (online) | 2042-7158 |
ISSN | 0022-3573 ; 0373-1022 |
DOI | 10.1093/jpp/rgad115 |
Database | MEDical Literature Analysis and Retrieval System OnLINE |
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