title: Comparison between the pharmacokinetic properties of mezlocillin when given intravenously as a bolus injection or as an infusion.
abstract: 6-[(R)-2-[3-methylsulfonyl-2-oxo-imidazolidine-1-carboxamido]-2-phenyl-acetamido]-penicillanic acid sodium salt (mezlocillin, Baypen) in doses of 5.0 g was given i.v. as an infusion or as a bolus injection to 5 healthy volunteers. 5 min after the completion of the infusion, the mean serum concentration was 430 +/- 81 microgram/ml compared to 424 +/- 91 microgram/ml after the bolus injection. The half-lives were 1.31 +/- 0.24 h and 1.72 +/- 0.21 h, respectively. These results indicate that differences in serum concentrations between various investigators probably can be attributed to differences in body size and do not seem to depend on the administration route.
mesh_terms: D000328:Adult; D005260:Female; D006801:Humans; D007263:Infusions, Parenteral; D007275:Injections, Intravenous; D007700:Kinetics; D008297:Male; D008802:Mezlocillin; D010406:Penicillins / Q000008:administration & dosage / Q000097:blood / Q000378:metabolism*
chemical_list: D010406:Penicillins; D008802:Mezlocillin