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Randomized controlled trial of piperacillin-tazobactam, cefepime and ertapenem for the treatment of urinary tract infection caused by extended-spectrum beta-lactamase-producing Escherichia coli
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Randomized controlled trial of piperacillin-tazobactam, cefepime and ertapenem for the treatment of urinary tract infection caused by extended-spectrum beta-lactamase-producing Escherichia coli
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Randomized controlled trial of piperacillin-tazobactam, cefepime and ertapenem for the treatment of urinary tract infection caused by extended-spectrum beta-lactamase-producing Escherichia coli
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Journal Article
Randomized controlled trial of piperacillin-tazobactam, cefepime and ertapenem for the treatment of urinary tract infection caused by extended-spectrum beta-lactamase-producing Escherichia coli
2017
Overview
Background
Due to limited therapeutic options, the spread of extended-spectrum beta-lactamases (ESBLs) have become a major public health concern. We conducted a prospective, randomized, open-label comparison of the therapeutic efficacy of piperacillin-tazobactam (PTZ), cefepime, and ertapenem in febrile nosocomial urinary tract infection with ESBL-producing
Escherichia coli
(ESBL-EC).
Methods
This study was conducted at three university hospitals between January 2013 and August 2015. Hospitalized adult patients presenting with fever were screened for healthcare-associated urinary tract infection (HA-UTI). When ESBL-EC was solely detected and susceptible to a randomized antibiotic in vitro, the case was included in the final analysis. Participants were treated for 10–14 days with PTZ, cefepime, or ertapenem.
Results
A total of 66 participants were evenly assigned to the PTZ and ertapenem treatment groups. After the recruitment of six participants, assignment to the cefepime treatment group was stopped because of an unexpectedly high treatment failure rate. The baseline characteristics of these participants did not differ from participants in other treatment groups. The clinical and microbiological response to PTZ treatment was estimated to be 94% and was similar to the response to ertapenem treatment. The efficacy of cefepime was 33.3%. In the cefepime group, age, Charlson comorbidity index, genotype, and minimal inhibitory concentration (MIC) did not significantly affect the success of treatment. Similarly, genotype seemed to be irrelevant with respect to clinical outcome in the PTZ group. Expired cases tended to involve septic shock with a high Charlson comorbidity index and high MIC.
Conclusion
Results from this study suggest that PTZ is effective in the treatment of urinary tract infection caused by ESBL-EC when the in vitro test indicates susceptibility. In addition, cefepime should not be used as an alternative treatment for urinary tract infection caused by ESBL-EC.
Trial registration
The trial was registered with the Clinical Research Information Service of Korea Centers for Disease Control and Prevention. (KCT0001895)
Publisher
BioMed Central,BioMed Central Ltd,Springer Nature B.V,BMC
Subject
/ Anti-Bacterial Agents - therapeutic use
/ Bacterial and fungal diseases
/ beta-Lactamase Inhibitors - therapeutic use
/ beta-Lactams - therapeutic use
/ Cefepime
/ Cephalosporins - therapeutic use
/ E coli
/ Enzymes
/ Escherichia coli - drug effects
/ Escherichia coli - enzymology
/ Escherichia coli - isolation & purification
/ Escherichia coli Infections - drug therapy
/ Escherichia coli Infections - microbiology
/ Female
/ Fever
/ Genotype
/ Humans
/ Male
/ Medicine
/ Minimum inhibitory concentration
/ Patients
/ Penicillanic Acid - analogs & derivatives
/ Penicillanic Acid - therapeutic use
/ Piperacillin - therapeutic use
/ Studies
/ Testing
/ Urinary Tract Infections - drug therapy
/ Urinary Tract Infections - microbiology
/ Urine
