secwatch.observer — SEC 8-K summary ====================================== Issuer: Tonix Pharmaceuticals Holding Corp. (TNXP) CIK: 0001430306 Form: 8-K Filed at: 2025-10-22T23:59:59+00:00 Accession: 0001999371-25-015796 Event type: other_material Sentiment: neutral Materiality: 0.55 Item codes: 7.01, 8.01, 9.01 LLM model: deepseek-v4-flash:cloud@v2 Tonix doses first patient in FOCUS study of intranasal oxytocin for AVP-D at MGH -------------------------------------------------------------------------------- - First patient dosed in FOCUS study at Massachusetts General Hospital for arginine-vasopressin deficiency (AVP-D). - Randomized, double-blind, placebo-controlled crossover pilot evaluating TNX-2900 (6 IU) and TNX-1900 (24 IU). - Primary endpoints: markers of anxiety, depression, and socioemotional functioning; exploratory 2-week replacement on mental health. - Study aims to generate preliminary data for future oxytocin replacement therapy in AVP-D. - TNX-1900/TNX-2900 are intranasal Mg2+-potentiated oxytocin formulations in development for multiple conditions. Source: EDGAR index: https://www.sec.gov/Archives/edgar/data/1430306/000199937125015796/0001999371-25-015796-index.htm Primary doc: https://www.sec.gov/Archives/edgar/data/1430306/000199937125015796/tnxp_8k-102225.htm HTML page: https://secwatch.observer/filing/0001999371-25-015796 License: Source filings: public domain (SEC EDGAR). Summaries (headline + bullets): CC-BY-4.0; attribute https://secwatch.observer