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Inhaled amikacin for severe Gram-negative pulmonary infections in the intensive care unit: current status and future

Antoni Torres1,2,3,4, Anna Motos5, Denise Battaglini5,6

  • 1Department of Pulmonary and Critical Care Medicine, Hospital Clinic, Calle Villarroel 170, Barcelona, 08036, Spain. atorres@clinic.ub.es.

Critical Care (London, England)
|December 19, 2018
PubMed

Insights

Nebulized antibiotics like amikacin in intensive care units show mixed results. This review analyzes evidence, discusses reasons for trial failures, and suggests improvements for future clinical trials.

Area of Science:

  • Critical Care Medicine
  • Pharmacology
  • Clinical Trials

Background:

  • Nebulized antibiotics, particularly amikacin, are increasingly discussed for intensive care unit (ICU) use.
  • Recent randomized clinical trials (RCTs) have yielded unconvincing results regarding efficacy.

Purpose of the Study:

  • To critically examine and reappraise the evidence supporting and opposing nebulized antibiotic therapy in ICUs.
  • To discuss potential factors contributing to the negative outcomes in recent clinical trials.
  • To highlight underconsidered factors for improving future translational research and RCT design.

Main Methods:

  • Systematic review and critical appraisal of existing evidence on nebulized antibiotics in ICUs.
  • Analysis of factors influencing the outcomes of recent randomized clinical trials.
  • Discussion of elements for enhancing future research and regulatory considerations.

Main Results:

  • The evidence for and against nebulized amikacin in ICUs is complex and requires careful re-evaluation.
  • Several factors, often overlooked, may explain the disappointing results of recent RCTs.
  • There is a need to address specific considerations in study design and regulatory oversight.

Conclusions:

  • Reappraisal of evidence suggests a need for nuanced understanding of nebulized antibiotic efficacy in ICUs.
  • Addressing methodological and translational gaps is crucial for advancing research in this area.
  • Improved future RCTs are essential to clarify the role of nebulized antibiotics in critical care.
Keywords:
AmikacinGram-negative bacteriaPseudomonas aeruginosaVentilator-associated pneumonia

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