secwatch.observer — SEC 8-K summary ====================================== Issuer: Phio Pharmaceuticals Corp. (PHIO) CIK: 0001533040 Form: 8-K Filed at: 2025-05-07T23:59:59+00:00 Accession: 0001683168-25-003237 Event type: other_material Sentiment: positive Materiality: 0.75 Item codes: 8.01, 9.01 LLM model: deepseek-v4-flash:cloud@v2 Phio Pharmaceuticals reports complete pathologic response in 2 of 3 patients in third cohort of INTASYL PH-762 trial -------------------------------------------------------------------------------- - 2 of 3 cSCC patients in Cohort 3 achieved 100% tumor clearance; third patient had <50% clearance. - Across 10 patients in Cohorts 1-3: 4 complete responses, 1 near complete (>90%), 1 partial (>50%). - No dose-limiting toxicities or clinically relevant adverse effects reported; PH-762 well tolerated. - Fourth cohort enrolling; Phio expects to complete trial enrollment in Q3 2025. Source: EDGAR index: https://www.sec.gov/Archives/edgar/data/1533040/000168316825003237/0001683168-25-003237-index.htm Primary doc: https://www.sec.gov/Archives/edgar/data/1533040/000168316825003237/phio_8k.htm HTML page: https://secwatch.observer/filing/0001683168-25-003237 License: Source filings: public domain (SEC EDGAR). Summaries (headline + bullets): CC-BY-4.0; attribute https://secwatch.observer