Pharmacodynamic effects of amoxicillin versus cefotaxime against penicillin-susceptible and penicillin-resistant pneumococcal strains: a phase I study

Author:

Aguilar L1,Rosendo J1,Balcabao I P1,Martín M1,Giménez M J1,Frías J1,Prieto J1

Affiliation:

1. Medical Department, SmithKline Beecham Pharmaceuticals, Madrid, Spain.

Abstract

Serum bactericidal activity against a penicillin-susceptible strain and a penicillin-resistant strain of Streptococcus pneumoniae (amoxicillin and cefotaxime MICs, 0.001 and 1 microg/ml, respectively, and MBCs, 0.01 and 2 microg/ml, respectively) was measured in 12 healthy volunteers who each received an oral 875-mg dose of amoxicillin and an intramuscular 1-g dose of cefotaxime in a crossover fashion. The areas under the bactericidal activity-time curves for the two strains were found to be similar for both antibiotics despite the significantly higher (P < 0.002) AUC/MIC and peak level/MIC values for cefotaxime.

Publisher

American Society for Microbiology

Subject

Infectious Diseases,Pharmacology (medical),Pharmacology

Reference16 articles.

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5. Assessment of serum bactericidal activity after administration of cefoperazone, cefotaxime, ceftizoxime, and moxalactam to healthy subjects;Barriere S. L.;Antimicrob. Agents Chemother.,1985

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