secwatch.observer — SEC 8-K summary ====================================== Issuer: BioXcel Therapeutics, Inc. (BTAI) CIK: 0001720893 Form: 8-K Filed at: 2025-09-10T23:59:59+00:00 Accession: 0001104659-25-088800 Event type: other_material Sentiment: positive Materiality: 0.88 Item codes: 8.01 LLM model: deepseek-v4-flash:cloud@v2 BioXcel reports positive Phase 3 SERENITY At-Home data for BXCL501; agitation resolution significantly higher vs placebo -------------------------------------------------------------------------------- - SERENITY At-Home trial: 246 patients randomized; BXCL501 showed significant mean reduction in mCGI-S score vs placebo at 2 hours (p<.05). - Complete resolution of agitation in 50% of BXCL501 arm vs 33% placebo overall (p<.0001); severe episodes resolved 61% vs 18% (p<.0001). - Efficacy maintained across repeated dosing and over 12-week duration; mean reduction of 1.2-1.4 in mCGI-S score. - Company revises addressable market estimate to 57-77M agitation episodes annually (from prior 23M) based on trial and survey data. - BXCL501 (IGALMI) is already FDA-approved for medically supervised settings; data supports potential label expansion for at-home use. Source: EDGAR index: https://www.sec.gov/Archives/edgar/data/1720893/000110465925088800/0001104659-25-088800-index.htm Primary doc: https://www.sec.gov/Archives/edgar/data/1720893/000110465925088800/tm2525736d1_8k.htm HTML page: https://secwatch.observer/filing/0001104659-25-088800 License: Source filings: public domain (SEC EDGAR). Summaries (headline + bullets): CC-BY-4.0; attribute https://secwatch.observer