Phio Pharmaceuticals (PHIO) Stock Skyrockets on Breakthrough Skin Cancer Trial Results – In-Depth Analysis & 2025 Outlook
Company Background and Business Model Phio Pharmaceuticals Corp. is a clinical-stage biopharmaceutical company specializing in RNA interference (RNAi) therapies for cancer. The company was co-founded by Nobel laureate Dr. Craig Mello, a discoverer of RNAi, leveraging that legacy to develop its proprietary INTASYL™ gene-silencing technology phiopharma.com. Originally known as RXi Pharmaceuticals (founded ~2011), Phio rebranded and refocused on immuno-oncology. Its mission is to use small interfering RNA (siRNA) to “silence” genes that allow tumors to evade the immune system, thereby empowering the body’s own defenses to fight cancer ragingbull.com. Headquartered in Pennsylvania (King of Prussia) with R&D roots in Massachusetts,