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Azetukalner data show significant reductions in seizure frequency across weekly, monthly and multi-year time points X-TOLE2 data featured in Late-breaking Science session show 53.2% reduction in monthly seizure frequency in 25 mg group vs. 10.4% for placebo and increasing rates of 100% seizure

VANCOUVER, British Columbia and BOSTON, MA, April 15, 2026 (GLOBE NEWSWIRE) -- Xenon Pharmaceuticals Inc. (Nasdaq: XENE), a neuroscience-focused biopharmaceutical company dedicated to drug discovery, clinical development and commercialization of life-changing therapeutics for patients in need,

  Five abstracts accepted including Late-breaking Science oral and poster presentations of Phase 3 X-TOLE2 study results for azetukalner in focal onset seizures Poster presentations also include long-term efficacy and safety data from X-TOLE open-label extension study of azetukalner, as well as

VANCOUVER, British Columbia and BOSTON, MA, March 12, 2026 (GLOBE NEWSWIRE) -- Xenon Pharmaceuticals Inc. (Nasdaq: XENE), a neuroscience-focused biopharmaceutical company dedicated to drug discovery, clinical development and commercialization of life-changing therapeutics for patients in need,

VANCOUVER, British Columbia and BOSTON, March 10, 2026 (GLOBE NEWSWIRE) -- Xenon Pharmaceuticals Inc. (Nasdaq: XENE), a neuroscience-focused biopharmaceutical company dedicated to drug discovery, clinical development and commercialization of life-changing therapeutics for patients in need, today

VANCOUVER, British Columbia and BOSTON, MA, March 09, 2026 (GLOBE NEWSWIRE) -- Xenon Pharmaceuticals Inc. (Nasdaq: XENE), a neuroscience-focused biopharmaceutical company dedicated to drug discovery, clinical development and commercialization of life-changing therapeutics for patients in need,

X-TOLE2 met primary endpoint in both dose groups, including -53.2% median percent change (MPC) from baseline in monthly FOS frequency with 25 mg dose compared with -10.4% for placebo (p=0.000000000006) X-TOLE2 outperformed Phase 2b X-TOLE study, with a placebo-adjusted MPC of -42.7% in 25 mg group

VANCOUVER, British Columbia and BOSTON, March 08, 2026 (GLOBE NEWSWIRE) -- Xenon Pharmaceuticals Inc. (Nasdaq: XENE), a neuroscience-focused biopharmaceutical company dedicated to drug discovery, clinical development and commercialization of life-changing therapeutics for patients in need, will

Phase 3 X-TOLE2 topline data for azetukalner in FOS expected first half of March 2026 Five additional Phase 3 studies of azetukalner continue to enroll in epilepsy and neuropsychiatry indications with Phase 3 X-NOVA2 MDD topline data expected in H1 2027 Data from two Phase 1 studies of novel Na V

VANCOUVER, British Columbia and BOSTON , Jan. 16, 2026 (GLOBE NEWSWIRE) -- Xenon Pharmaceuticals Inc. (Nasdaq: XENE), a neuroscience-focused biopharmaceutical company dedicated to drug discovery, clinical development, and commercialization of life-changing therapeutics for patients in need, today