Peer-reviewed veterinary case report
Colistin loading dose enhanced antimicrobial activity for in vivo mouse thigh infection model with Pseudomonas aeruginosa with highly antimicrobial resistant.
- Journal:
- Journal of infection and chemotherapy : official journal of the Japan Society of Chemotherapy
- Year:
- 2017
- Authors:
- Hagihara, Mao et al.
- Affiliation:
- Department of Infection Control and Prevention · Japan
Abstract
This is the first report to test the loading dosage of colistin against Pseudomonas aeruginosa, including MDRP. Using in vivo murine thigh infection model, in the loading dosage regimen (Day 1:50 mg/kg q12 h, Day 2-3: 25 mg/kg q12 h) group, 5 to 6 log10 CFU/ml reduction compared with control were observed for both strains of P. aeruginosa with colistin MIC 0.5 and 1 μg/mL at 72 h. But, similar reduction was observed for the strains with colistin MIC 0.5 μg/mL only in normal dosage regimen (Day 1-3: 25 mg/kg q12 h) group. For P. aeruginosa with colistin MIC 1 μg/mL, colistin loading dosage regimens showed greater antimicrobial activity than that of without loading dosage group (p < 0.05). These data suggest that the colistin loading regimen would be one of the useful options for P. aeruginosa with antimicrobial resistance infection treatment.
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Search related cases →Original publication: https://pubmed.ncbi.nlm.nih.gov/27856109/