Xenon To Seek Approval of First-in-Class Epilepsy Drug After Exceeding Phase 3 Expectations

Azetukalner, a Kv7 potassium channel opener, reduced the frequency of focal onset seizures by a placebo-adjusted rate of 42.7%. Xenon Pharmaceuticals believes this is the highest such efficacy “observed in a pivotal epilepsy study,” CEO Ian Mortimer said Monday.