secwatch.observer — SEC 8-K summary ====================================== Issuer: TENAX THERAPEUTICS, INC. (TENX) CIK: 0000034956 Form: 8-K Filed at: 2023-05-31T23:59:59+00:00 Accession: 0001654954-23-007426 Event type: regulatory Sentiment: positive Materiality: 0.75 Item codes: 8.01, 9.01 LLM model: deepseek-v4-flash:cloud@v2 Tenax Therapeutics receives USPTO Notice of Allowance for oral levosimendan patent in PH-HFpEF -------------------------------------------------------------------------------- - Patent covers oral levosimendan (TNX-103) for PH-HFpEF; term through Dec 2040, possible extension beyond. - No FDA-approved treatments exist for PH-HFpEF, affecting >1.6M North Americans, projected >2M by 2030. - Phase 2 HELP study showed levosimendan improved 6-minute walk by 29 meters (p=0.03) vs placebo. - Tenax intends to initiate Phase 3 trial of oral formulation in 2023; FDA agreed 6-minute walk test as primary endpoint. Source: EDGAR index: https://www.sec.gov/Archives/edgar/data/34956/000165495423007426/0001654954-23-007426-index.htm Primary doc: https://www.sec.gov/Archives/edgar/data/34956/000165495423007426/tenx_8k.htm HTML page: https://secwatch.observer/filing/0001654954-23-007426 License: Source filings: public domain (SEC EDGAR). Summaries (headline + bullets): CC-BY-4.0; attribute https://secwatch.observer