Pharmacokinetics and distribution in tissue of FK-037, a new parenteral cephalosporin.
A single 1-g or 2-g intravenous dose of the cephalosporin FK-037 was given over 30 min in a cross-over-designed study, to each of six healthy male volunteers, and the concentrations of the drug were measured in plasma and cantharides-induced blister fluid over the subsequent 12 h. Urine was collected over 24 h. After a washout period of 6 weeks, during which the blisters healed, the study was repeated at the other dose level. Following the 1-g dose, the mean peak concentration in plasma was 83.8 micrograms/ml, and after the 2-g dose it was 142.6 micrograms/ml. The mean peak concentrations in the inflammatory fluid were 37.9 and 63.3 micrograms/ml, respectively. The mean elimination half-lives from plasma and inflammatory fluid were 2.0 and 2.5 h, respectively, after 1 g and 2.0 h and 3.7 h, respectively, after 2 g. The amounts of penetration into inflammatory fluid (as assessed by ratios of areas under the concentration-time curves) were 109.9 and 110.5% following doses of 1 and 2 g, respectively. The proportions of the administered drug recovered in the urine by 24 h were 87.6 and 85.7%, respectively. Our results indicate that FK-037 should prove to be efficacious in the treatment of a wide range of systemic infections.[1]References
- Pharmacokinetics and distribution in tissue of FK-037, a new parenteral cephalosporin. Wise, R., Andrews, J.M., O'Neill, P., Jolley, A., Fowler, C., Rogge, M.C. Antimicrob. Agents Chemother. (1994) [Pubmed]
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