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Ceftolozane-Tazobactam for the Treatment of Multidrug-Resistant Pseudomonas aeruginosa Infections: A Multicenter

Jason C Gallagher1, Michael J Satlin2, Abdulrahman Elabor3

  • 1Temple University, Department of Pharmacy Practice, Philadelphia, Pennsylvania.

Open Forum Infectious Diseases
|November 30, 2018
PubMed
Abstract

Insights

Ceftolozane-tazobactam effectively treats multidrug-resistant Pseudomonas aeruginosa infections. Early initiation of this antibiotic within 4 days of culture collection significantly improves patient survival and treatment success.

Area of Science:

  • Infectious Diseases
  • Pharmacology
  • Critical Care Medicine

Background:

  • Multidrug-resistant Pseudomonas aeruginosa (MDRP) infections pose a significant global healthcare challenge.
  • Ceftolozane-tazobactam is an antibiotic option for treating MDRP infections.

Purpose of the Study:

  • To evaluate the clinical outcomes of ceftolozane-tazobactam treatment for MDRP infections.
  • To identify factors associated with treatment success in a real-world setting.

Main Methods:

  • Retrospective data collection from 20 US hospitals.
  • Inclusion of adult patients treated with ceftolozane-tazobactam for MDRP infections for at least 24 hours.
  • Primary outcome: composite of 30-day and inpatient mortality; Secondary outcomes: clinical success and microbiological cure.

Main Results:

  • 205 patients were analyzed, with severe illness and comorbidities being common.
  • Ceftolozane-tazobactam susceptibility was high (89.9%).
  • Early treatment initiation (within 4 days of culture) was significantly associated with improved survival (aOR 5.55), clinical success (aOR 2.93), and microbiological cure (aOR 2.59).

Conclusions:

  • Ceftolozane-tazobactam demonstrates efficacy in treating MDRP infections.
  • Timely administration of ceftolozane-tazobactam is crucial for optimizing patient outcomes.
Keywords:
Gram-negativePseudomonasceftolozane-tazobactammultidrug-resistant infectionsresistance

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