Section 40
Chapter 39,710

Cross-reactivity of metocurine, atracurium, vecuronium and fazadinium with IgE antibodies from patients unexposed to these drugs but allergic to other myoneural blocking drugs

Harle, D.G.; Baldo, B.A.; Fisher, M.M.

British Journal of Anaesthesia 57(11): 1073-1076


ISSN/ISBN: 0007-0912
PMID: 2864946
DOI: 10.1093/bja/57.11.1073
Accession: 039709897

An inhibition assay was used to determine quantitatively the allergenic cross-reactivity of some myoneural blocking drugs not yet released for use in Australia, in the sera of patients who had experienced anaphylactic reactions to neuromuscular blocking drugs. Two of the compounds, metocurine and atracurium were highly cross-reactive with the currently used myoneural blockers; fazadinium was weakly cross-reactive and vecuronium intermediate in potency between these two extremes. From these results, we predict that anaphylactic reactions to these compounds, and particularly to metocurine and atracurium, will occur in some patients allergic to the currently used neuromuscular blocking agents.

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