Overview Add on Lacosamide Versus High Dose Monotherapy Status: Completed Trial end date: 2014-10-21 Target enrollment: Participant gender: Summary This is a study to determine whether a combination of low dose lacosamide and levetiracetam is more effective than high dose levetiracetam in patients who have failed low dose levetiracetam. Phase: Phase 3 Details Lead Sponsor: Brigham and Women's HospitalTreatments: EtiracetamLacosamideLevetiracetamPiracetam