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. 1987 Nov;31(11):1826–1830. doi: 10.1128/aac.31.11.1826

Pharmacokinetics and distribution of ticarcillin-clavulanic acid (Timentin) in experimental animals.

G Woodnutt 1, I Kernutt 1, L Mizen 1
PMCID: PMC175047  PMID: 3501702

Abstract

The pharmacokinetics and distribution of ticarcillin and clavulanic acid were studied in rats and rabbits after intravenous coadministration of the compounds. The elimination half-lives for ticarcillin and clavulanic acid were similar in both rats (ticarcillin, 0.22 h; clavulanic acid, 0.24 h) and rabbits (ticarcillin, 0.38 h; clavulanic acid, 0.31 h). Both compounds distributed widely throughout rat tissues, and the patterns of distribution were similar to those observed for other beta-lactams. Values for penetration into rat pleural, peritoneal, and subcutaneous fluids calculated from the equation (AUCfluid/AUCserum) X 100, where AUC is the area under the concentration-time curve, were between 83 and 93% for ticarcillin and 86 and 103% for clavulanic acid. Values for penetration into tissue cages in rabbits were 139% +/- 45% for ticarcillin and 109% +/- 22% for clavulanic acid. The penetration of clavulanic acid into rabbit cerebrospinal fluid was higher (P less than 0.05) (4.0% +/- 0.61%) than that of ticarcillin (1.3% +/- 0.53%). Overall, the results show that ticarcillin and clavulanic acid distribute readily throughout body tissues and fluids and predict that the penicillin and beta-lactamase inhibitor would be present together at sites of infection.

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Selected References

These references are in PubMed. This may not be the complete list of references from this article.

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