Pharmacokinetics and Target Attainment of Ceftobiprole in Asian and Non-Asian Subjects

Clinical Pharmacology in Drug Development
A E MullerJ W Mouton

Abstract

Ceftobiprole is a broad-spectrum cephalosporin. The objective of this study was to test the hypothesis that the pharmacokinetics (PK) and exposure of ceftobiprole in Asian subjects are similar to those in non-Asian subjects. Three approaches were followed. The first compared the individual PK estimates between the 2 subgroups derived from a population PK model previously built. Next, it was determined whether "Asian subject" was a significant covariate. Finally, a pharmacodynamic analysis was performed by comparing measures of exposure and target attainment. No significant differences were found between PK parameter estimates for Asian and non-Asian subjects, with median values (range) for clearance of 4.82 L/h (2.12-10.47) and 4.97 L/h (0.493-20.6), respectively (P = .736). "Asian subject" was not a significant covariate in the population PK model. There were no significant differences between the measures of exposure. The geometric mean ratio for the fAUC was 1.022 (90%CI, 0.91-1.15), indicating bioequivalence. Taking a target of 60% coverage of the dose interval, more than 90% of the population in both subgroups was adequately exposed. This analysis demonstrated that there are no PK or pharmacodynamic differences between Asi...Continue Reading

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Citations

Nov 7, 2019·Animals : an Open Access Journal From MDPI·Penny FisherBruce Warburton
Sep 26, 2019·Expert Review of Anti-infective Therapy·Daniele Roberto GiacobbeMatteo Bassetti

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NCT00210899

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