Phio Pharmaceuticals Corp.

11 Apex Drive Suite 300 A, PMB 2006, Marlborough, MA 01753, US

Phio Pharmaceuticals is a clinical-stage siRNA biotechnology company advancing its INTASYL gene silencing technology focused on immuno-oncology therapeutics. Phio's INTASYL compounds are designed to enhance the body's immune cells to more effectively kill cancer cells.

Recent News

Phio Pharmaceuticals Announces Positive Safety Monitoring Committee Recommendation to Advance INTASYL PH-762 Skin Cancer Clinical Trial to Fifth Dose Escalation Cohort

Marlborough, Massachusetts--(Newsfile Corp. - June 25, 2025) - 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 the Safety Monitoring Committee (SMC) recommended dose escalation in its Phase 1b clinical trial designed to evaluate the safety and tolerability of intratumoral (IT) PH-762 in the treatment of Stages 1, 2, and 4...

2025-06-25 7:45 AM EDT

Phio Pharmaceuticals Announces Participation in the Renmark Financial Communications Virtual Non-Deal Roadshow Series

Marlborough, Massachusetts--(Newsfile Corp. - June 24, 2025) - 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 Mr. Robert Bitterman, CEO and Chairman of the Board, Phio Pharmaceuticals will present an update on the company's proprietary INTASYL siRNA technology and progress on the on-going clinical trial with lead...

2025-06-24 7:45 AM EDT

Phio Pharmaceuticals Announces Strategic Initiative to Create Awareness of the Comprehensive INTASYL siRNA Portfolio

Marlborough, Massachusetts--(Newsfile Corp. - June 6, 2025) - Phio Pharmaceuticals Corp. (NASDAQ: PHIO) is a clinical-stage siRNA biopharmaceutical company developing therapeutics using its proprietary INTASYL® gene silencing technology to treat cancer. Phio announced today a strategic initiative to heighten awareness of potential applications of the broader INTASYL siRNA portfolio, which includes approximately 30 compounds. Recently, positive interim safety and efficacy results were reported...

2025-06-06 7:45 AM EDT

Phio Pharmaceuticals Announces Participation in the Sidoti Micro-Cap Virtual Investor Conference

Marlborough, Massachusetts--(Newsfile Corp. - May 19, 2025) - 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 Mr. Robert Bitterman, CEO and Chairman of the Board, Phio Pharmaceuticals will present an update on the company's proprietary INTASYL siRNA technology and progress on the on-going clinical trial with lead compound...

2025-05-19 7:45 AM EDT

Phio Pharmaceuticals Reports First Quarter 2025 Financial Results and Provides Business Update

Marlborough, Massachusetts--(Newsfile Corp. - May 15, 2025) - Phio Pharmaceuticals Corp. (NASDAQ: PHIO) is a clinical-stage biopharmaceutical company developing therapeutics that use its INTASYL® siRNA gene silencing technology designed to make the body's immune cells more effective in killing cancer cells. Phio today reported its financial results for the quarter ended March 31, 2025 and provided a business update. Recent Corporate Updates PH-762 Clinical Progress Phio's ongoing Phase 1b...

2025-05-15 4:15 PM EDT

Phio Pharmaceuticals Announces Positive Pathology Results in Third Cohort in INTASYL PH-762 Skin Cancer Clinical Trial

Marlborough, Massachusetts--(Newsfile Corp. - May 7, 2025) - 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 a complete pathologic response (100% tumor clearance) has been reported for 2 of 3 patients with cutaneous squamous cell carcinoma (cSCC) treat

2025-05-07 7:45 AM EDT

Phio Pharmaceuticals Announces Participation in the Renmark Financial Communications Virtual Non-Deal Roadshow Series

Marlborough, Massachusetts--(Newsfile Corp. - May 1, 2025) - 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 Mr. Robert Bitterman, CEO and Chairman of the Board, Phio Pharmaceuticals will present an update on the company's proprietary INTASYL siRNA technology and progress on the on-going clinical trial with lead compound...

2025-05-01 7:45 AM EDT

Phio Pharmaceuticals Announces Positive Safety Monitoring Committee Recommendation to Advance INTASYL PH-762 Skin Cancer Study to Fourth Dose Escalation Cohort

Marlborough, Massachusetts--(Newsfile Corp. - April 9, 2025) - Phio Pharmaceuticals Corp. (NASDAQ: PHIO) is a clinical-stage siRNA biopharmaceutical company developing therapeutics using its proprietary INTASYL® siRNA gene silencing technology to eliminate cancer. Phio announced today that the Safety Monitoring Committee (SMC) recommended dose escalation in Phio's Phase 1b clinical trial (NCT 06014086) for Phio's lead product candidate, PH-762. Phio's Phase 1b clinical trial is a...

2025-04-09 7:45 AM EDT

Phio Pharmaceuticals Announces Podium Presentations on INTASYL siRNA Lead Product Candidates PH-762 and PH-894

Marlborough, Massachusetts--(Newsfile Corp. - April 3, 2025) - Phio Pharmaceuticals Corp. (NASDAQ: PHIO) is a clinical-stage siRNA biotechnology company developing therapeutics using its proprietary INTASYL® gene silencing technology to eliminate cancer. Phio today announced that podium presentations will be given on its two lead INTASYL product candidates, PH-762 and PH-894. The ITOC conference provides a unique platform for the exchange of latest findings in immunotherapy of cancer to...

2025-04-03 7:45 AM EDT

Phio Pharmaceuticals Reports 2024 Year End Financial Results and Provides Business Update

Marlborough, Massachusetts--(Newsfile Corp. - March 31, 2025) - Phio Pharmaceuticals Corp. (NASDAQ: PHIO) is a clinical-stage biotechnology company developing therapeutics that use its INTASYL® siRNA gene silencing technology designed to make the body's immune cells more effective in killing cancer cells. Phio today reported its financial results for the year ended December 31, 2024, and provided a business update. Recent Corporate Updates PH-762 Clinical Progress PH-762 is currently being...

2025-03-31 4:00 PM EDT

American Academy of Dermatology Awards Podium Presentation to Phio Pharmaceutical's Clinical Research at 2025 Annual Meeting

Marlborough, Massachusetts--(Newsfile Corp. - March 10, 2025) - Phio Pharmaceuticals Corp. (NASDAQ: PHIO) is a clinical-stage biotechnology company developing therapeutics that use its INTASYL® siRNA gene silencing technology designed to make the body's immune cells more effective in killing cancer cells. Phio today announced that a podium presentation addressing its lead product candidate, PH-762, was given in the Academy's Late-Breaking Research session. The Late-Breaking Research session...

2025-03-10 7:45 AM EDT

Phio Pharmaceuticals Announces Completion of Enrollment in Third Safety Cohort in PH-762 Phase 1b Dose-Escalation Study

Marlborough, Massachusetts--(Newsfile Corp. - March 5, 2025) - Phio Pharmaceuticals Corp. (NASDAQ: PHIO) is a clinical-stage biotechnology company developing therapeutics that use its INTASYL® siRNA gene silencing technology designed to make the body's immune cells more effective in killing cancer cells. Phio announced today that it has fulfilled the required enrollment for safety in its third dose cohort in its Phase 1b dose escalating clinical study for their lead compound PH-762. The...

2025-03-05 7:45 AM EST

Phio Pharmaceuticals Announces Participation in the Renmark Financial Communications Virtual Non-Deal Roadshow Series

Marlborough, Massachusetts--(Newsfile Corp. - February 26, 2025) - Phio Pharmaceuticals Corp. (NASDAQ: PHIO) a clinical-stage biotechnology company developing therapeutics that use its INTASYL® siRNA gene silencing technology designed to make the body's immune cells more effective in killing cancer cells. Phio announced today that Mr. Robert Bitterman, CEO and Chairman of the Board, Phio Pharmaceuticals will present its proprietary INTASYL siRNA technology and its on-going clinical trial with...

2025-02-26 7:45 AM EST

Phio Pharmaceuticals Announces Appointment of David H. Deming to Board of Directors

Marlborough, Massachusetts--(Newsfile Corp. - February 20, 2025) - Phio Pharmaceuticals Corp. (NASDAQ: PHIO) is a clinical-stage biotechnology company developing therapeutics that use its INTASYL® siRNA gene silencing technology designed to make the body's immune cells more effective in killing cancer cells. Phio announced today the appointment of Mr. David H. Deming to the Phio Board of Directors, effective Feb 19, 2025. Mr. Deming will immediately serve as a member of the Board's Nominating...

2025-02-20 7:45 AM EST

Phio Pharmaceuticals Announces Participation in the Renmark Financial Communications Virtual Non-Deal Roadshow Series

Marlborough, Massachusetts--(Newsfile Corp. - February 3, 2025) - Phio Pharmaceuticals Corp. (NASDAQ: PHIO) is a clinical-stage biotechnology company developing therapeutics that use its INTASYL® siRNA gene silencing technology designed to make the body's immune cells more effective in killing cancer cells. Phio announced today that Mr. Robert Bitterman, CEO and Chairman of the Board, Phio Pharmaceuticals will present its proprietary INTASYL siRNA technology and its on-going clinical trial...

2025-02-03 7:45 AM EST

Phio Pharmaceuticals to Participate in the Renmark Financial Communications Virtual Non-Deal Roadshow Series

Marlborough, Massachusetts--(Newsfile Corp. - January 22, 2025) - Phio Pharmaceuticals Corp. (NASDAQ: PHIO) is a clinical-stage biotechnology company developing therapeutics that use its INTASYL® siRNA gene silencing technology designed to make the body's immune cells more effective in killing cancer cells. Phio announced today that Mr. Robert Bitterman, CEO and Chairman of the Board, Phio Pharmaceuticals will present its proprietary INTASYL siRNA technology and an update on its on-going...

2025-01-22 7:00 AM EST

Phio Pharmaceuticals Announces Closing of $1.83 Million Registered Direct Offering Priced At-the-Market Under Nasdaq Rules

Marlborough, Massachusetts--(Newsfile Corp. - January 21, 2025) - Phio Pharmaceuticals Corp. (NASDAQ: PHIO), a clinical-stage biotechnology company that develops therapeutics using its INTASYL® siRNA gene silencing technology to make the body's immune cells more effective in killing cancer cells, today announced the closing of its registered direct offering previously announced on January 16, 2024, priced at-the-market under Nasdaq rules, for the purchase and sale of an aggregate of 610,

2025-01-21 4:15 PM EST

Phio Pharmaceuticals Announces $1.83 Million Registered Direct Offering Priced At-the-Market Under Nasdaq Rules

Marlborough, Massachusetts--(Newsfile Corp. - January 16, 2025) - Phio Pharmaceuticals Corp. (NASDAQ: PHIO), a clinical-stage biotechnology company that develops therapeutics using its INTASYL® siRNA gene silencing technology to make the body's immune cells more effective in killing cancer cells, today announced that it has entered into definitive agreements for the purchase and sale of an aggregate of 610,000 shares of its common stock at a purchase price of $3.00 per share in a registered...

2025-01-16 1:00 PM EST

Phio Pharmaceuticals Announces $2.5 Million Registered Direct Offering Priced At-the-Market Under Nasdaq Rules

Marlborough, Massachusetts--(Newsfile Corp. - January 15, 2025) - Phio Pharmaceuticals Corp. (NASDAQ: PHIO), a clinical-stage biotechnology company that develops therapeutics using its INTASYL® siRNA gene silencing technology to make the body's immune cells more effective in killing cancer cells, today announced that it has entered into definitive agreements for the purchase and sale of an aggregate of 833,335 shares of its common stock at a purchase price of $3.00 per share in a registered...

2025-01-15 7:00 AM EST

Phio Pharmaceuticals Announces $3.19 Million Registered Direct Offering Priced At-the-Market Under Nasdaq Rules

Marlborough, Massachusetts--(Newsfile Corp. - January 14, 2025) - Phio Pharmaceuticals Corp. (NASDAQ: PHIO), a clinical-stage biotechnology company that develops therapeutics using its INTASYL® siRNA gene silencing technology to make the body's immune cells more effective in killing cancer cells, today announced that it has entered into definitive agreements for the purchase and sale of an aggregate of 1,063,670 shares of its common stock at a purchase price of $3.00 per share in a registered...

2025-01-14 7:00 AM EST

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