Study to Assess the Long-term Safety of Oral Lacosamide in Subjects With Partial-onset Seizures

A multicenter, open-label extension study to assess the long-term safety and tolerability of lacosamide as adjunctive therapy in subjects with partial-onset seizures who were previously enrolled in the SP925 study \[NCT00655551\] (intravenous lacosamide loading dose followed by approximately 1 week of oral lacosamide maintenance).