ICU sedation, delirium & recovery

Principles of drug dosing for obese patients in the intensive care unit

Intensive Care MedPublished review

Authors' conclusion

Drug dosing in critically ill obese patients should be individualized by assessing pharmacokinetic variability and whether pharmacodynamic goals can be achieved. Selecting the correct weight for weight-based calculations or dose for fixed regimens is paramount for achieving these goals. Consultation with a clinical pharmacist may be beneficial.

Study context

Population
Critically ill patients with extreme obesity in the intensive care unit
Outcome
Evidence guiding medication use in critically ill obese patients

Main finding

As reported in the abstract

  • Limited by the small number of patients with more extreme forms of obesity, the lack of clinical outcome measurements, and the few studies that are specific to the intensive care unit (ICU)
  • Obesity-related alterations in pharmacokinetic parameters, such as apparent volume of distribution and drug clearance, may hinder attainment of pharmacodynamic targets
  • Individualized dosing strategies are essential to optimize therapeutic outcomes

Original publication

Principles of drug dosing for obese patients in the intensive care unit. Intensive Care Med. Published 22 October 2026. doi:10.1007/s00134-026-08628-7

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