Xenon Pharmaceuticals reported a net loss of $84.7 million for Q2 2025, an increase from $57.9 million in Q2 2024, primarily due to higher research and development expenses driven by the azetukalner program. The company completed patient recruitment for its Phase 3 X-TOLE2 study, with topline data expected in early 2026, and initiated new Phase 3 studies for azetukalner in MDD and BPD. Cash and cash equivalents stood at $624.8 million, providing sufficient funding into 2027.
Net loss for Q2 2025 was $84.7 million, an increase from $57.9 million in the same period last year.
Research and development expenses significantly increased to $75.0 million in Q2 2025, up from $49.7 million in Q2 2024, mainly due to ongoing Phase 3 clinical trials for azetukalner.
Cash and cash equivalents and marketable securities totaled $624.8 million as of June 30, 2025, providing funding into 2027.
Patient recruitment for the Phase 3 azetukalner X-TOLE2 FOS study is complete, with topline data anticipated in early 2026.
Xenon Pharmaceuticals anticipates significant milestones in its clinical development programs, particularly for azetukalner, with topline data from the X-TOLE2 study expected in early 2026. The company also plans to advance its early-stage pipeline, including filing multiple INDs in 2025, and expects to have sufficient cash to fund operations into 2027.