Phase III X-TOLE2 data support azetukalner filing in focal onset seizures
Xenon Pharmaceuticals reported positive Phase III X-TOLE2 results for azetukalner in focal onset seizures. The company plans an FDA new drug application in Q3 2026.
Xenon Pharmaceuticals reported positive Phase III X-TOLE2 results for azetukalner in focal onset seizures. The company plans an FDA new drug application in Q3 2026.
The FDA has authorized the first human trial of an allogeneic stem cell therapy for epilepsy, developed by Shanghai-based Unixell Biotechnology. The therapy uses donor-derived stem cells to produce GABA and suppress seizures in drug-resistant patients.
Xenon Pharmaceuticals will announce topline data from its Phase 3 X-TOLE2 study of azetukalner in patients with focal onset seizures on March 9, 2026, during a conference call at 8:00 a.m. ET.
Praxis Precision Medicines submitted NDAs for ulixacaltamide and relutrigine to the FDA, reported cash and investments of $926 million as of December 31, 2025, and disclosed a net loss of $303.3 million for full-year 2025.
Praxis Precision Medicines has submitted new drug applications for ulixacaltamide in essential tremor and relutrigine in rare epilepsies, both granted Breakthrough Therapy Designation. The company reported $926 million in cash as of December 31, 2025.
| NCT ID | Title | Status | Phase |
|---|---|---|---|
| NCT07141329 |
SPN-817 Open-Label Extension Study in Adults With Focal Onset Seizures |
RECRUITING | PHASE2 |
| NCT06798896 |
RENAISSANCE 2: SPN-817 Phase 2, Double-Blind, Placebo-Controlled Study in Adults with Focal Onset Seizures |
RECRUITING | PHASE2 |
| NCT06377930 |
Study Evaluating the Safety and Efficacy of RAP-219 in Adult Participants With Refractory Focal Epilepsy |
COMPLETED | PHASE2 |
| NCT05716100 |
A Randomized Study of XEN1101 Versus Placebo in Focal-Onset Seizures (X-TOLE3) |
RECRUITING | PHASE3 |
| NCT05614063 |
A Randomized Study of XEN1101 Versus Placebo in Focal-Onset Seizures |
COMPLETED | PHASE3 |
| NCT05473442 |
Study of EQU-001 for Uncontrolled Focal Onset Seizures |
TERMINATED | PHASE2 |
| NCT04836559 |
A Study to Investigate JNJ-40411813 in Combination With Levetiracetam or Brivaracetam in Epilepsy |
COMPLETED | PHASE2 |