Anesthetic drugs & techniques

Reversal of neuromuscular blockade with sugammadex based on the residual amount of rocuronium in the body using pharmacokinetic simulation: A single-centre observational study

Eur J AnaesthesiolPublished Randomised controlled trial

Authors' conclusion

Based on pharmacokinetic simulation, all patients successfully recovered from NMB using rocuronium, and excellent recovery profiles were achieved.

Study context

Population
Patients without cardiac, hepatic, renal or neuromuscular disorders scheduled for elective surgery, Osaka University Hospital, Japananalysed
Participants
123 patients
Comparison
Sugammadex 2 mg kg −1 (control) vs four, six or eight times the residual amount of rocuronium (pharmacokinetic simulation)
Primary endpoint
Recovery time from sugammadex administration to train-of-four (TOF) ratio of 0.9
Methodological detailssingle-centre, four-group, single-blind, Design stated as observational study in the abstract's DESIGN section
  • Single-centre
  • Four-group
  • Single-blind
  • Design stated as observational study in the abstract's DESIGN section

Primary result

As reported in the abstract

Recovery time to TOF ratio 0.9

P = 0.21

Further findings

Sugammadex dose administered — Control vs Four times, Six times, Eight times

P < 0.01

Safety

All 123 analysed patients successfully extubated
No signs of recurarisation observed

Original publication

Reversal of neuromuscular blockade with sugammadex based on the residual amount of rocuronium in the body using pharmacokinetic simulation: A single-centre observational study. Eur J Anaesthesiol. Published 3 October 2025. doi:10.1097/eja.0000000000002286

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