secwatch.observer — SEC 8-K summary ====================================== Issuer: Amylyx Pharmaceuticals, Inc. (AMLX) CIK: 0001658551 Form: 8-K Filed at: 2024-03-08T23:59:59+00:00 Accession: 0001193125-24-062878 Event type: other_material Sentiment: negative Materiality: 0.90 Item codes: 7.01, 8.01, 9.01 LLM model: deepseek-v4-flash:cloud@v2 Amylyx Phase 3 ALS trial misses primary endpoint; may withdraw RELYVRIO ----------------------------------------------------------------------- - PHOENIX trial: no significant difference on ALSFRS-R at Week 48 (p=0.667); secondary endpoints also missed. - Company may voluntarily withdraw RELYVRIO/ALBRIOZA from market; will decide within 8 weeks after regulatory discussions. - Promotion paused immediately; drug and patient support remain available for now. - Study enrolled 664 adults; safety profile consistent, no new signals. - Phase 3 ORION in PSP and Phase 2 HELIOS in Wolfram syndrome continue as planned. Source: EDGAR index: https://www.sec.gov/Archives/edgar/data/1658551/000119312524062878/0001193125-24-062878-index.htm Primary doc: https://www.sec.gov/Archives/edgar/data/1658551/000119312524062878/d787565d8k.htm HTML page: https://secwatch.observer/filing/0001193125-24-062878 License: Source filings: public domain (SEC EDGAR). Summaries (headline + bullets): CC-BY-4.0; attribute https://secwatch.observer