secwatch.observer — SEC 8-K summary ====================================== Issuer: Q32 Bio Inc. (QTTB) CIK: 0001661998 Form: 8-K Filed at: 2024-12-11T23:59:59+00:00 Accession: 0001193125-24-274856 Event type: other_material Sentiment: negative Materiality: 0.65 Item codes: 7.01, 8.01, 9.01 LLM model: deepseek-v4-flash:cloud@v2 Q32 Bio reports mixed Phase 2a results: AA signal, AD miss ---------------------------------------------------------- - SIGNAL-AA: post-hoc analysis showed 16% mean SALT reduction vs 2% placebo at week 24 (p=0.045); 9% vs 0% achieved SALT-20. - SIGNAL-AD Part B failed primary endpoint: bempikibart 74% EASI improvement vs placebo 76% (not statistically significant). - Bempikibart safe and well tolerated in both trials; no SAEs or Grade 3+ related adverse events. - Company plans to enroll ~20 more patients in AA expansion; defers ADX-097 AAV Phase 2 trial to focus on bempikibart. - Biomarker data show robust Th2/Th1 reduction and 20-30% T-cell modulation, confirming target engagement. Source: EDGAR index: https://www.sec.gov/Archives/edgar/data/1661998/000119312524274856/0001193125-24-274856-index.htm Primary doc: https://www.sec.gov/Archives/edgar/data/1661998/000119312524274856/d903481d8k.htm HTML page: https://secwatch.observer/filing/0001193125-24-274856 License: Source filings: public domain (SEC EDGAR). Summaries (headline + bullets): CC-BY-4.0; attribute https://secwatch.observer