Affiliation:
1. Research Division, Bristol Laboratories, Syracuse, New York 13201
Abstract
Comparative drug disposition studies in mice, rats, dogs, and humans indicate that cephapirin, a new semisynthetic cephalosporin antibiotic that exhibits broad-spectrum antimicrobial activity, is metabolized to desacetylcephapirin in these species. Pharmacokinetic analyses of the concentrations of cephapirin and desacetylcephapirin in plasma and urine reveal that the rate and extent of deacetylation decreases from rodents to dogs to humans. The kinetic analyses also suggest that the kidney performs a role not only in the excretion but also in the metabolism of cephapirin to desacetylcephapirin.
Publisher
American Society for Microbiology
Subject
Infectious Diseases,Pharmacology (medical),Pharmacology
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