Respiratory failure & ventilation

Low dose vs high dose tocilizumab in COVID-19 patients with hypoxemic respiratory failure

J Crit CarePublished Retrospective cohort study

Authors' conclusion

Compared to low dose tocilizumab, the high dose did not provide additional efficacy and mortality benefit but resulted in higher fungal and viral infections.

Study context

Population
COVID-19 patients with hypoxemic respiratory failure receiving tocilizumab with steroids, March 2020–August 2021analysed
Participants
407 patients
Exposure
Low dose vs high dose tocilizumab, with steroids
Outcome
28-day mortality
Follow-up
28 days
Methodological detailsmultihospital, observational, propensity-matched analysis
  • Multihospital
  • Observational
  • Propensity-matched analysis

Main finding

As reported in the abstract

  • No difference in 28-day mortality
  • Low dose vs High dose: P = 0.613
  • Propensity-matched analysis
  • Median dexamethasone equivalent dose 10 mg in both groups

Observational data: associations, not effects.

Further findings

Baseline severity

Low dose group significantly more ill at baseline (more vasopressors, ICU admission, mechanical ventilation)

Safety

Fungal and viral infections

Higher rate in the high dose group

Original publication

Low dose vs high dose tocilizumab in COVID-19 patients with hypoxemic respiratory failure. J Crit Care. Published 10 April 2023. doi:10.1016/j.jcrc.2023.154291

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