secwatch.observer — SEC 8-K summary ====================================== Issuer: Xenon Pharmaceuticals Inc. (XENE) CIK: 0001582313 Form: 8-K Filed at: 2023-11-09T23:59:59+00:00 Accession: 0000950170-23-062022 Event type: other_material Sentiment: negative Materiality: 0.85 Item codes: 8.01, 9.01 LLM model: deepseek-v4-flash:cloud@v2 Xenon partner Neurocrine's Phase 2 trial of NBI-921352 in focal seizures fails ------------------------------------------------------------------------------ - Phase 2 study of NBI-921352 in adult focal onset seizures failed to show meaningful seizure reduction. - Neurocrine will not pursue further development of NBI-921352 in focal onset seizures. - Xenon to review data for potential implications on ongoing SCN8A-developmental epileptic encephalopathy study. - Neurocrine continues pre-clinical development of dual selective Nav1.2/1.6 inhibitor under collaboration. Source: EDGAR index: https://www.sec.gov/Archives/edgar/data/1582313/000095017023062022/0000950170-23-062022-index.htm Primary doc: https://www.sec.gov/Archives/edgar/data/1582313/000095017023062022/xene-20231109.htm HTML page: https://secwatch.observer/filing/0000950170-23-062022 License: Source filings: public domain (SEC EDGAR). Summaries (headline + bullets): CC-BY-4.0; attribute https://secwatch.observer