secwatch.observer — SEC 8-K summary ====================================== Issuer: PALATIN TECHNOLOGIES INC (PTN) CIK: 0000911216 Form: 8-K Filed at: 2023-08-10T23:59:59+00:00 Accession: 0001654954-23-010419 Event type: other_material Sentiment: positive Materiality: 0.70 Item codes: 8.01, 9.01 LLM model: deepseek-v4-flash:cloud@v2 Palatin initiates Phase 2 study of bremelanotide/PDE5i combo for ED non-responders -------------------------------------------------------------------------------- - Approximately 30–40% of ED patients do not respond to PDE5i monotherapy. - Phase 2 trial of bremelanotide co-formulated with a PDE5i expected to start Q4 2023. - Published data show synergy between bremelanotide and PDE5i via distinct mechanisms. - Bremelanotide is the active agent in Vyleesi, approved for HSDD in women. - Palatin successfully co-formulated bremelanotide with a PDE5i for single injection. Source: EDGAR index: https://www.sec.gov/Archives/edgar/data/911216/000165495423010419/0001654954-23-010419-index.htm Primary doc: https://www.sec.gov/Archives/edgar/data/911216/000165495423010419/ptn_8k.htm HTML page: https://secwatch.observer/filing/0001654954-23-010419 License: Source filings: public domain (SEC EDGAR). Summaries (headline + bullets): CC-BY-4.0; attribute https://secwatch.observer