Welcome to our dedicated page for Phio Pharmaceuticals news (Ticker: PHIO), a resource for investors and traders seeking the latest updates and insights on Phio Pharmaceuticals stock.
Phio Pharmaceuticals Corp (NASDAQ: PHIO) is a clinical-stage biotechnology pioneer developing next-generation immuno-oncology therapies using its proprietary INTASYL® RNAi platform. This page provides centralized access to official press releases, clinical trial updates, and strategic partnership announcements related to PHIO's innovative approach to enhancing immune cell function against cancer.
Investors and researchers will find timely updates on PHIO's progress in silencing immune checkpoint targets like PD-1 and TIGIT through its self-delivering siRNA technology. The resource covers key developments including clinical trial milestones, collaborative research findings, and regulatory advancements for therapies like lead candidate PH-762.
Content spans multiple categories essential for tracking biopharmaceutical innovation: clinical trial results, research collaborations with institutions like Gustave Roussy, intellectual property updates, and technology licensing agreements. Each update is sourced directly from company disclosures to ensure reliability.
Bookmark this page for streamlined monitoring of PHIO's advancements in RNAi-based cancer therapeutics. Check regularly for new developments in their mission to overcome tumor-induced immunosuppression through precision gene silencing.
Phio Pharmaceuticals (NASDAQ: PHIO) reported positive safety results from the fourth cohort of its Phase 1b clinical trial for PH-762, their lead siRNA compound for skin cancer treatment. The Safety Monitoring Committee recommended advancing to the fifth and expected final dose escalation cohort.
The trial has treated 15 total patients across four cohorts, including 13 with cutaneous squamous cell carcinoma (cSCC), one with metastatic melanoma, and one with Merkel cell carcinoma. Notable results from the first three cohorts showed complete response in 4 of 9 cSCC patients, with additional patients showing near complete or partial responses. No dose-limiting toxicities or serious adverse events were reported.
Phio Pharmaceuticals (NASDAQ: PHIO), a clinical-stage siRNA biopharmaceutical company, announced its participation in Renmark Financial Communications' Virtual Non-Deal Roadshow Series. CEO Robert Bitterman will present on June 30, 2025, at 10:00 am EST, providing updates on the company's INTASYL gene silencing technology and their ongoing clinical trials.
The presentation will focus on their lead compound PH-762 for skin cancer treatment, for which they recently reported positive interim safety and efficacy results in their Phase 1b dose escalation clinical trial. The event will include a live Q&A session, with a replay available on Renmark's website.
Phio Pharmaceuticals (NASDAQ: PHIO), a clinical-stage siRNA biopharmaceutical company, announced its participation in the upcoming Sidoti Micro-Cap Virtual Investor Conference. CEO and Chairman Robert Bitterman will present on May 22, 2025, at 10:00 AM ET, providing updates on the company's proprietary INTASYL gene silencing technology and progress on their ongoing clinical trial of PH-762 for skin cancer treatment.
The presentation will be accessible via webcast, and Bitterman will also host one-on-one meetings with investors during the conference on May 21-22, 2025. Registration for both the presentation and individual meetings is free and available through Sidoti's platform.
Phio Pharmaceuticals (NASDAQ: PHIO) reported positive results from the third cohort of its Phase 1b clinical trial for PH-762, a skin cancer treatment. Two out of three patients with cutaneous squamous cell carcinoma (cSCC) achieved complete pathologic response (100% tumor clearance), while one patient showed non-response. Across all three cohorts, involving 10 patients total (9 cSCC, 1 melanoma), 4 cSCC patients achieved complete response, one showed near-complete response (>90%), and one had partial response (>50%).
The trial evaluates PH-762's safety and tolerability in various skin cancer stages. Notably, no dose-limiting toxicities or significant adverse effects were observed, with the treatment being well-tolerated across all dose cohorts. The fourth cohort is currently enrolling, with trial completion expected in Q3 2025.
Phio Pharmaceuticals (NASDAQ: PHIO), a clinical-stage siRNA biopharmaceutical company, announced its participation in the Renmark Financial Communications Virtual Non-Deal Roadshow Series. CEO and Chairman Robert Bitterman will present on May 7, 2025, at 2:00 pm EST, providing updates on the company's proprietary INTASYL gene silencing technology and progress on the ongoing clinical trial of PH-762 for skin cancer treatment. The presentation will include a live Q&A session, with a replay available on Renmark Financial Communications' website.
Phio Pharmaceuticals (NASDAQ: PHIO) announced positive safety results for the third cohort in its Phase 1b clinical trial of PH-762, their lead INTASYL® siRNA compound for skin cancer treatment. The Safety Monitoring Committee recommended advancing to the fourth dose escalation cohort following successful results in three cutaneous squamous cell carcinoma patients, who showed no serious adverse events or dose-limiting toxicities.
The multi-center trial (NCT 06014086) evaluates PH-762's safety and tolerability in cutaneous squamous cell carcinoma, melanoma, and Merkel cell carcinoma. Prior results from cohorts 1 and 2, comprising seven patients, showed promising outcomes. In the second cohort, two patients achieved complete response (100% tumor clearance) and one patient showed partial response (90% clearance) by Day 36. All three patients in cohort 1 and one patient in cohort 2 maintained stable disease.
Phio Pharmaceuticals (NASDAQ: PHIO) announced two podium presentations at the 11th Annual Immunotherapy of Cancer Conference in Munich, Germany on April 3, 2025. The presentations focus on their lead INTASYL siRNA product candidates:
1. PH-762: An INTASYL siRNA compound targeting PD-1, currently in clinical trials (NCT 06014086) as a neoadjuvant intratumoral therapy for cutaneous malignancies. The therapy has shown promising preclinical efficacy and favorable tolerability.
2. PH-894: An INTASYL siRNA compound that selectively silences BRD4, enhancing NK cell activation and proliferation without off-target effects, aimed at improving adoptive cell therapy.
The presentations will be delivered by Melissa Maxwell, Phio's Director of Research and Program Management, in Plenary Sessions 3 and 11 on April 3rd and 5th, 2025, respectively.
Phio Pharmaceuticals (NASDAQ: PHIO) reported its 2024 financial results and provided updates on its PH-762 clinical trial progress. The company's Phase 1b trial for PH-762, treating cutaneous carcinomas through intratumoral injection, showed promising results with 2 complete responses and 1 partial response in the second cohort. The third cohort is fully enrolled, with study completion expected in Q3 2025.
Financial highlights include raising $9.2 million through offerings and $2.9 million from warrant exercises. The company reported cash position of $5.4 million as of December 31, 2024, with net loss decreasing to $7.2 million ($9.08 per share) from $10.8 million in 2023. Research and development expenses decreased by 42% to $2.7 million, while general and administrative expenses reduced by 14% to $3.7 million.
The company implemented cost rationalization measures, including relocating to a smaller facility and terminating its Clinical Co-Development Agreement with AgonOx. Phio's patent portfolio includes 77 issued patents, with 69 covering its INTASYL technology.
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