The Impact of Disease Severity on Responder Rates in a Phase 2b Study of XEN1101, a Potent, Selective Potassium Channel Opener, in Adults with Focal Epilepsy (X-TOLE) (S19.004)

To report the impact of baseline disease severity on the percentage of patients achieving a ≥50% reduction in seizure frequency (RR50) in the double-blind period (DBP) of a phase 2b study (X-TOLE) of XEN1101 in adults with focal onset seizures (FOS).