King of Prussia, Pennsylvania--(Newsfile Corp. - September 14, 2026) - Phio Pharmaceuticals Corp. (NASDAQ: PHIO) is a clinical-stage siRNA biopharmaceutical company developing therapeutics using its proprietary INTASYL® gene silencing technology to eliminate cancer. Phio announced today that, following the formal completion of the Phase 1b clinical study, it has submitted a meeting request and comprehensive briefing package to the U.S. Food and Drug Administration (FDA).
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