A series of screening evaluations was performed within a 21-day period prior to the first dose of study medication in order to determine the eligibility of prospective study participants for the trial. Eligible subjects reported to the clinic on Day -1 prior to study medication administration and remained in the clinic until clinic discharge on Day 7. Plasma and urine samples were collected throughout the study to determine the pharmacokinetics of eslicarbazepine acetate and its metabolites.