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Published in: Intensive Care Medicine 3/2022

01-03-2022 | Septicemia | Original

Effect of therapeutic drug monitoring-based dose optimization of piperacillin/tazobactam on sepsis-related organ dysfunction in patients with sepsis: a randomized controlled trial

Authors: Stefan Hagel, Friedhelm Bach, Thorsten Brenner, Hendrik Bracht, Alexander Brinkmann, Thorsten Annecke, Andreas Hohn, Markus Weigand, Guido Michels, Stefan Kluge, Axel Nierhaus, Dominik Jarczak, Christina König, Dirk Weismann, Otto Frey, Dominic Witzke, Carsten Müller, Michael Bauer, Michael Kiehntopf, Sophie Neugebauer, Thomas Lehmann, Jason A. Roberts, Mathias W. Pletz, the TARGET Trial Investigators

Published in: Intensive Care Medicine | Issue 3/2022

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Abstract

Purpose

Insufficient antimicrobial exposure is associated with worse outcomes in sepsis. We evaluated whether therapeutic drug monitoring (TDM)-guided antibiotic therapy improves outcomes.

Methods

Randomized, multicenter, controlled trial from January 2017 to December 2019. Adult patients (n = 254) with sepsis or septic shock were randomly assigned 1:1 to receive continuous infusion of piperacillin/tazobactam with dosing guided by daily TDM of piperacillin or continuous infusion with a fixed dose (13.5 g/24 h if eGFR ≥ 20 mL/min). Target plasma concentration was four times the minimal inhibitory concentration (range ± 20%) of the underlying pathogen, respectively, of Pseudomonas aeruginosa in empiric situation. Primary outcome was the mean of daily total Sequential Organ Failure Assessment (SOFA) score up to day 10.

Results

Among 249 evaluable patients (66.3 ± 13.7 years; female, 30.9%), there was no significant difference in mean SOFA score between patients with TDM (7.9 points; 95% CI 7.1–8.7) and without TDM (8.2 points; 95% CI 7.5–9.0) (p = 0.39). Patients with TDM-guided therapy showed a lower 28-day mortality (21.6% vs. 25.8%, RR 0.8, 95% CI 0.5–1.3, p = 0.44) and a higher rate of clinical (OR 1.9; 95% CI 0.5–6.2, p = 0.30) and microbiological cure (OR 2.4; 95% CI 0.7–7.4, p = 0.12), but these differences did not reach statistical significance. Attainment of target concentration was more common in patients with TDM (37.3% vs. 14.6%, OR 4.5, CI 95%, 2.9–6.9, p < 0.001).

Conclusion

TDM-guided therapy showed no beneficial effect in patients with sepsis and continuous infusion of piperacillin/tazobactam with regard to the mean SOFA score. Larger studies with strategies to ensure optimization of antimicrobial exposure are needed to definitively answer the question.
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Metadata
Title
Effect of therapeutic drug monitoring-based dose optimization of piperacillin/tazobactam on sepsis-related organ dysfunction in patients with sepsis: a randomized controlled trial
Authors
Stefan Hagel
Friedhelm Bach
Thorsten Brenner
Hendrik Bracht
Alexander Brinkmann
Thorsten Annecke
Andreas Hohn
Markus Weigand
Guido Michels
Stefan Kluge
Axel Nierhaus
Dominik Jarczak
Christina König
Dirk Weismann
Otto Frey
Dominic Witzke
Carsten Müller
Michael Bauer
Michael Kiehntopf
Sophie Neugebauer
Thomas Lehmann
Jason A. Roberts
Mathias W. Pletz
the TARGET Trial Investigators
Publication date
01-03-2022
Publisher
Springer Berlin Heidelberg
Published in
Intensive Care Medicine / Issue 3/2022
Print ISSN: 0342-4642
Electronic ISSN: 1432-1238
DOI
https://doi.org/10.1007/s00134-021-06609-6

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