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Continuous versus intermittent piperacillin/tazobactam infusion in infection due to or suspected pseudomonas

Jesús Cotrina-Luque, Maria Victoria Gil-Navarro, Héctor Acosta-García

    International Journal of Clinical Pharmacy
    |October 18, 2015
    PubMed
    Abstract

    Insights

    Continuous infusion of piperacillin–tazobactam showed similar efficacy and safety compared to intermittent infusion for treating Pseudomonas aeruginosa infections. Further analysis is needed to identify patient subgroups that may benefit more from continuous administration.

    Area of Science:

    • Infectious Diseases
    • Pharmacology
    • Clinical Pharmacy

    Background:

    • Limited data exists on the efficacy and safety of piperacillin–tazobactam when administered via continuous infusion.
    • Pseudomonas aeruginosa infections pose a significant clinical challenge, necessitating optimized treatment strategies.

    Purpose of the Study:

    • To compare the efficacy of continuous infusion (CI) versus intermittent infusion (II) of piperacillin–tazobactam in treating suspected or confirmed Pseudomonas aeruginosa infections.
    • To evaluate the safety profile of piperacillin–tazobactam administered via CI compared to II.

    Main Methods:

    • A multicenter, randomized, double-blind, parallel-group clinical trial was conducted.
    • Patients were assigned to receive piperacillin–tazobactam via CI or II in a 1:1 ratio.
    • The primary efficacy endpoint was the percentage of patients with a satisfactory clinical response (cure or improvement) at treatment completion.

    Main Results:

    • A total of 78 patients were included in the study (40 in CI group, 38 in II group).
    • Overall, 74.4% of patients achieved clinical cure or improvement by the end of treatment.
    • No statistically significant differences in cure rates or reported adverse events were observed between the CI and II groups.

    Conclusions:

    • Continuous infusion of piperacillin–tazobactam is a viable alternative to intermittent infusion, demonstrating comparable efficacy and safety.
    • Further multivariate analysis is recommended to explore potential benefits of CI in specific patient subgroups.

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