RT Journal Article T1 Urine Bactericidal Activity against Escherichia coli Isolates Exhibiting Different Resistance Phenotypes/Genotypes in an In Vitro Pharmacodynamic Model Simulating Urine Concentrations Obtained after Oral Administration of a 400-Milligram Single Dose of Cefditoren-Pivoxil A1 Sevillano Fernández, David A1 Aguilar, Lorenzo A1 Alou Cervera, Luis A1 Gimenez, María José A1 Torrico, Martha A1 González Hidalgo, Natalia A1 Cafini, Fabio A1 Relaño, María Teresa A1 Coronel, Pilar A1 Prieto Prieto, José AB Activity of simulated cefditoren urinary concentrations was determined against seven Escherichia coli isolates. Bactericidal activity was obtained from 4 to 24 h against TEM-1 (penicillinase production/hyperproduction), TEM-34 (IRT-6), and TEM-116 (extended-spectrum beta-lactamase [ESBL]) and from 6 to 8 h against SHV/TEM-116 (ESBL) but never against SHV/TEM-1 (ESBL). Extension of bactericidal activity depended on the resistance genotype/phenotype tested. PB American Society for Microbiology SN 0066-4804 YR 2008 FD 2008-03 LK https://hdl.handle.net/20.500.14352/107129 UL https://hdl.handle.net/20.500.14352/107129 LA eng NO Sevillano D, Aguilar L, Alou L, Giménez M, Torrico M, González N, Cafini F, Relaño M, Coronel P, Prieto J 2008. Urine Bactericidal Activity against Escherichia coli Isolates Exhibiting Different Resistance Phenotypes/Genotypes in an In Vitro Pharmacodynamic Model Simulating Urine Concentrations Obtained after Oral Administration of a 400-Milligram Single Dose of Cefditoren-Pivoxil. Antimicrob Agents Chemother 52:. https://doi.org/10.1128/aac.01247-07 NO Tedec-Meiji Farma S.A. DS Docta Complutense RD 17 abr 2025