Brivaracetam Retention Rate and Seizure Outcomes in Patients with Drug-Resistant Focal Epilepsy Included in the Medical Need Program in Belgium: A Real-World, Multicenter, Chart Review.

Retention was high during 9 months of brivaracetam treatment in drug-resistant patients, including those previously/concomitantly treated with levetiracetam; 3-month seizure freedom increased from 3.2% after 3 months to 10.7% after 9 months of treatment.