نتایج جستجو برای: pefloxacin
تعداد نتایج: 311 فیلتر نتایج به سال:
Fluoroquinolone antibacterial agents have been reported to induce tendon lesions in juvenile rats. In the present study, we characterized fluoroquinolone-induced Achilles tendon lesions by comparing the effects of 10 fluoroquinolones and examining the potential of one of these antimicrobial agents, pefloxacin, to induce tendon lesions when coadministered with one of nine anti-inflammatory compo...
Pefloxacin mesylate is a flouroquinolone antibacterial drug effective in the treatment of bacterial conjunctivitis. The objective of the present work was to develop ocular inserts of pefloxacin mesylate and evaluate their potential for sustained ocular delivery. Reservoir-type ocular inserts were prepared by the film casting technique in teflon coated Petri dishes and characterized in vitro by ...
Pefloxacin pharmacokinetics and serum bactericidal activities (SBA) against Escherichia coli and Staphylococcus aureus were compared after intravenous infusion of either a single 800-mg dose or twice-daily 400-mg doses into 16 healthy volunteers. Plasma pefloxacin concentrations were measured for up to 60 h, and SBAs were determined 1, 12, and 24 h after the start of the infusion. The mean area...
Two regulons, soxRS and marRAB, are associated with resistance to quinolones or multiple antibiotic in Salmonella enterica serovar Typhimurium. These regulons are activated by nitric oxide and redox-cycling drugs, such as paraquat and cause on activation of the acrAB-encoded efflux pump. In this study, we investigated the effect of nitric oxide (NO) alone and in combination with ofloxacin, cipr...
BACKGROUND Pefloxacin, a fluorinated 4-quinolone, has recently been advocated as a first-line treatment for minimal-change nephropathy (MCN) or focal segmental glomerulosclerosis (FSGS). To further evaluate this issue we have utilized an animal model resembling human MCN, namely adriamycin-induced nephrotic syndrome in Wistar male rats. METHODS Adriamycin at a dose of 7 mg/kg was injected int...
This work proposes a model to characterize the additivity or the nonadditivity of combinations of more than two agents. Using a Bayesian framework, we modeled the variability between experimental subjects, the errors that occurred during data collection, and the relationship between effects and concentrations of agents at the effect site. The model was used to characterize the additivity (or no...
The validated method was applied for determination of residual solvents in certain film-coated marketed antibiotic formulation of ciprofloxacin, norfloxacin, pefloxacin, and ofloxacin. Twenty tablets each containing 500 mg, 400 mg, 400 mg, and 200 mg of ciprofloxacin, norfloxacin, pefloxacin, and ofloxacin, respectively were accurately weighed separately. The tablets were crushed in a separate ...
The accumulation of quinolones by Escherichia coli JF568, Pseudomonas aeruginosa PAO1, and Staphylococcus aureus ATCC 29213 was measured by a modified fluorometric assay (J. S. Chapman and N. H. Georgopapadakou, Antimicrob. Agents Chemother. 33:27-29, 1989). The quinolones examined were fleroxacin, pefloxacin, norfloxacin, difloxacin, A56620, ciprofloxacin, ofloxacin, and Ro 09-1168. In all thr...
The activity of serial concentrations of different antimicrobial agents on the multiplication of Legionella pneumophila within human monocyte-derived macrophages was studied. The results led to the definition of a minimal extracellular concentration inhibiting intracellular multiplication (MIEC). According to the MIECs, the antimicrobial agents tested were classified in three groups: very activ...
The authors evaluated and compared the efficacies of eye drops and in situ forming gel of pefloxacin mesylate in pseudomonas induced conjunctivitis in 40 rabbits. The in-situ forming gel of pefloxacin mesylate was formulated as a liquid and when administered in the cul-de-sac, it gets converted to gel. The objective of the present research work was to demonstrate the in vivo activity of in situ...
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