Pharmacodynamics of Piperacillin-Tazobactam/Amikacin Combination versus Meropenem against Extended-Spectrum β-Lactamase-Producing Escherichia coli in a Hollow Fiber Infection Model

Author:

Islam Kamrul1ORCID,Sime Fekade B.1ORCID,Wallis Steven C.1,Bauer Michelle J.1,Naicker Saiyuri1,Won Hayoung1,Zowawi Hosam M.1,Choudhury Md Abu2,Shirin Tahmina3,Habib Zakir H.3,Harris Patrick N. A.145ORCID,Flora Meerjady S.6,Roberts Jason A.1478ORCID

Affiliation:

1. University of Queensland Centre for Clinical Research, Faculty of Medicine, The University of Queensland, Brisbane, Queensland, Australia

2. School of Nursing, Midwifery & Public Health, University of Canberra, Bruce, Australian Capital Territory, Australia

3. Institute of Epidemiology, Disease Control and Research, Mohakhali, Dhaka, Bangladesh

4. Herston Infectious Diseases Institute (HeIDI), Metro North Health, Brisbane, Queensland, Australia

5. Pathology Queensland, Royal Brisbane and Women’s Hospital, Herston, Queensland, Australia

6. Directorate General of Health Services, Mohakhali, Dhaka, Bangladesh

7. Departments of Pharmacy and Intensive Care Medicine, Royal Brisbane and Women’s Hospital, Brisbane, Queensland, Australia

8. Division of Anaesthesiology Critical Care Emergency and Pain Medicine, Nîmes University Hospital, University of Montpellier, Nîmes, France

Abstract

Carbapenems are recommended for the treatment of urosepsis caused by extended-spectrum β-lactamase (ESBL)-producing, multidrug-resistant Escherichia coli ; however, due to selection of carbapenem resistance, there is an increasing interest in alternative treatment regimens including the use of β-lactam-aminoglycoside combinations. We compared the pharmacodynamic activity of piperacillin-tazobactam and amikacin as mono and combination therapy versus meropenem monotherapy against extended-spectrum β-lactamase (ESBL)-producing, piperacillin-tazobactam resistant E. coli using a dynamic hollow fiber infection model (HFIM) over 7 days.

Publisher

American Society for Microbiology

Subject

Infectious Diseases,Pharmacology (medical),Pharmacology

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