Comparison of Sugammadex (MK-8616/Org 25969) With Neostigmine Administered at 1-2 Post-tetanic Counts (PTCs) After Administration of Rocuronium or Vecuronium (19.4.302/P05945/MK-8616-025)

Inclusion Criteria: * American Society of Anesthesiologists (ASA) Class 1 to 4 * 18 years or older * Scheduled to undergo an elective surgical procedure under general anesthesia requiring the use of rocuronium or vecuronium for endotracheal intubation and maintenance of neuromuscular block * Scheduled for surgery in supine position * Given written informed consent Exclusion Criteria: * Participants in whom a difficult intubation is expected due to anatomical malformations * Known or suspected to have neuromuscular disorders impairing neuromuscular blockade and/or significant renal dysfunction * Known or suspected to have a (family) history of malignant hyperthermia * Known or suspected to have an allergy to narcotics, muscle relaxants, or other medications used during surgery * Receiving medication known to interfere with neuromuscular blocking agents such as anticonvulsants, antibiotics, and magnesium (Mg2+) * Participants in whom the use of neostigmine and/or glycopyrrolate may be contraindicated * Female participants who are pregnant or breast-feeding * Females participants of childbearing potential not using an acceptable method of birth control \[condom or diaphragm with spermicide, vasectomized partner (\> 6 months), IUD, abstinence\] * Participants who had already participated in an Org 25969 trial * Participants who had participated in another clinical trial, not pre-approved by Organon, within 30 days of entering into Protocol 19.4.302