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Multicenter Evaluation of the Susceptibility of Enterobacteriaceae and Pseudomonas Aeruginosa to Ceftolozane/Tazobactam Combination — GMC-9  

Antibiotic Resistant Strain Clinical Trial

Official title:
Multicenter Evaluation of the Susceptibility of Enterobacteriaceae and Pseudomonas Aeruginosa to Ceftolozane/Tazobactam Combination

Clinical Trial Summary

Ceftolozane/tazobactam is a new antibiotic with broad spectrum activity. This molecule is currently one of the most active beta lactams against Pseudomonas aeruginosa and its spectrum of activity also includes enterobacteriaceae producing a broad spectrum beta-lactamase (EBLSE). Ceftolozane/tazobactam is currently marketed for the treatment of complicated intra-abdominal infections and complicated urinary tract infections. These intra-abdominal and urinary infections are mainly caused by enterobacteriaceae (Escherichia coli, Klebsiella pneumoniae) and more rarely by P. aeruginosa. Concerning enterobacteriaceae, French epidemiology reports a prevalence of BLSE of between 10 and 15% in E. coli and 10%-30% in K. pneumoniae.

Clinical Trial Description

Currently, the probabilistic treatment of these multi-resistant bacteria involves the use of carbapenems. Unfortunately, the increasing and unreasonable use of carbapenems invariably leads to the spread of even more resistant strains, BHRe (Emerging Highly Resistant Bacteria) including enterobacteriaceae producing carbapenemases. Thus, it is strongly recommended by health authorities to limit the use of carbapenems ("carbapenem savings") by promoting the use of therapeutic alternatives. Ceftolozane/tazobactam is one of those therapeutic alternatives for which an evaluation must be carried out. Currently, in addition to complicated intra-abdominal infections and complicated urinary tract infections, ceftolozane/tazobactam combination is used in clinical practice in gram-negative infections such as upper and lower respiratory infections and bacteremia. In any case, the choice of probabilistic antibiotic therapy must take into account local and regional epidemiological data. However, published data on the in vitro activity of ceftolozane/tazobactam remain limited, particularly in France (only one French epidemiological study on Gram-negative non-fermenting bacillus strains isolated in patients with cystic fibrosis). This study does not take into account in particular multi-resistant enterobacteriaceae producing BLSE for which ceftolozane/tazobactam remains effective (particularly in E. coli and K. pneumoniae). ;

Study Design

Related Conditions & MeSH terms

Clinical Trial Details
NCT number NCT03963297
Study type Observational
Source Groupe Hospitalier Paris Saint Joseph
Contact
Status Completed
Phase
Start date March 1, 2019
Completion date December 30, 2022
View Details
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