secwatch.observer — SEC 8-K summary ====================================== Issuer: SUPERNUS PHARMACEUTICALS, INC. (SUPN) CIK: 0001356576 Form: 8-K Filed at: 2024-05-23T23:59:59+00:00 Accession: 0001356576-24-000034 Event type: other_material Sentiment: positive Materiality: 0.70 Item codes: 7.01, 9.01, 8.01 LLM model: deepseek-v4-flash:cloud@v2 Supernus reports positive interim Phase 2a data for SPN-817 in treatment-resistant seizures -------------------------------------------------------------------------------- - 75% median focal seizure reduction at 3-4 mg BID in maintenance period; 86% reduction in open-label extension. - 81% of focal-seizure subjects had ≥30% reduction; 63% had ≥50% reduction in maintenance period. - Discontinuation rate due to AEs was 22% in titration and 2.4% in maintenance; common AEs: nausea, diarrhea, headache. - Company plans to initiate Phase 2b study before year-end 2024; full Phase 2a topline results expected H2 2024. - CEO states interim data provide strong evidence of clinical utility and potential differentiated treatment option. Source: EDGAR index: https://www.sec.gov/Archives/edgar/data/1356576/000135657624000034/0001356576-24-000034-index.htm Primary doc: https://www.sec.gov/Archives/edgar/data/1356576/000135657624000034/supn-20240523.htm HTML page: https://secwatch.observer/filing/0001356576-24-000034 License: Source filings: public domain (SEC EDGAR). Summaries (headline + bullets): CC-BY-4.0; attribute https://secwatch.observer