Xenon Pharmaceuticals Inc. is a clinical-stage biopharmaceutical company focused on discovering and developing innovative therapeutics for rare diseases. The company's lead product candidate, XEN1101, is a potential first-in-class, oral, selective Nav1.6 sodium channel inhibitor for the treatment of epilepsy. Xenon Pharmaceuticals is also developing XEN901, a potential first-in-class, selective Nav1.6 sodium channel inhibitor for the treatment of epilepsy, as well as several other preclinical programs.