Long‐term safety and efficacy of adjunctive lacosamide in the treatment of generalized onset tonic–clonic seizures: An open‐label extension trial

This study was undertaken to assess long-term safety, tolerability, and efficacy of lacosamide (LCM) as adjunctive therapy for generalized onset tonic-clonic seizures (GTCS) in patients aged ≥4 years with idiopathic generalized epilepsy (IGE).