The objective of the trial was to show equivalence in recovery from neuromuscular block after a single dose of 4.0 mg.kg-1 Org 25969, administered at T1 3-10% after continuous infusion of rocuronium, between subjects receiving maintenance anesthesia using propofol and subjects receiving sevoflurane, to investigate the safety and to compare the plasma levels of rocuronium in subjects after continuous infusion of rocuronium and before the administration of Org 25969, under either propofol or sevoflurane anesthesia.