Repeat dosing of rocuronium 1.2 mg kg-1 after reversal of neuromuscular block by sugammadex 4.0 mg kg-1 in anaesthetized healthy volunteers: a modelling-based pilot study

British Journal of Anaesthesia
G CammuPierre A M Peeters

Abstract

Re-intubation and re-operation may occasionally be required after neuromuscular block (NMB) reversal. This study evaluated block onset times of a second dose of rocuronium (1.2 mg kg(-1)) after sugammadex reversal of rocuronium 0.6 mg kg(-1). In this open-label study of healthy anaesthetized volunteers, subjects received rocuronium 0.6 mg kg(-1), were antagonized at 1-2 post-tetanic counts with sugammadex 4.0 mg kg(-1), and received rocuronium 1.2 mg kg(-1) at 5, 7.5, 10, 15, 20, 22.5, 25, 27.5, 30, 45, or 60 min after sugammadex. Spontaneous recovery occurred after repeat rocuronium dose. Primary endpoints were the onset time of maximal block (time to lowest T(1) value reached) and the clinical duration of block (until T(1)=25%) after repeat rocuronium dose. Sixteen subjects were included. For subjects receiving rocuronium 1.2 mg kg(-1) 5 min after sugammadex (n=6), mean (sd) onset time (to T(1)=0) was 3.06 (0.97) min; range, 1.92-4.72 min. For repeat dose time points ≥25 min (n=5), mean onset was faster (1.73 min) than for repeat doses <25 min (3.09 min) after sugammadex. The duration of block ranged from 17.7 min (rocuronium 5 min after sugammadex) to 46 min (repeat dose at 45 min). Mean duration was 24.8 min for repeat dosi...Continue Reading

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Citations

Apr 7, 2011·Canadian Journal of Anaesthesia = Journal Canadien D'anesthésie·Joaquin Fabregat-LópezMaria Rosario García-Martinez
May 27, 2011·Canadian Journal of Anaesthesia = Journal Canadien D'anesthésie·Goh MatsukiHiroshi Iwasaki
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Jul 28, 2016·Expert Opinion on Drug Metabolism & Toxicology·Stefan Josef Schaller, Heidrun Lewald
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Sep 24, 2020·The Journal of Emergency Medicine·Skyler LentzBrit Long
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