Overview Safety and Tolerability of OXC XR as Adjunctive Therapy in Subjects With Refractory Partial Epilepsy Status: Completed Trial end date: 2011-11-01 Target enrollment: Participant gender: Summary Open-Label Extension Study to Evaluate the Long-Term Safety and Tolerability of Oxcarbazepine Extended-Release (OXC XR) Phase: Phase 3 Details Lead Sponsor: Supernus Pharmaceuticals, Inc.Treatments: CarbamazepineOxcarbazepine