Peer-reviewed veterinary case report
In vitro and in vivo pharmacokinetics of two novel 1,3-cyclic propanyl phosphate ester prodrugs of 18β-glycyrrhetic acid in rats.
- Journal:
- Journal of Asian natural products research
- Year:
- 2010
- Authors:
- Peng, Wei-Bing et al.
- Affiliation:
- Ministry of Education & Marine Drug and Food Institute · China
- Species:
- rodent
Abstract
The in vitro metabolism of two novel phosphate prodrugs of glycyrrhetic acid (GA) was studied by the method of incubation in the rat liver microsome and the in vivo plasma pharmacokinetics after injecting intravenously (i.v.) into six rats was investigated, respectively. The prodrugs diminished gradually with time and most of the parent drugs were released in 30 min in vitro. In this paper, the in vivo plasma concentration data were analyzed by compartmental modeling. Both the prodrugs and the corresponding released parent drugs could be described by a two-compartment model, which existed for 48 h in rats. The t(1/2) increases remarkably after i.v. administration to rats when compared with injecting the parent drugs directly.
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Search related cases →Original publication: https://pubmed.ncbi.nlm.nih.gov/20924902/