Phio Pharmaceuticals Reports Year End 2019 Financial Results and Provides Business Update

MARLBOROUGH, Mass., March 26, 2020 /PRNewswire/ -- Phio Pharmaceuticals Corp. (Nasdaq: PHIO), a biotechnology company developing the next generation of immuno-oncology therapeutics based on its proprietary self-delivering RNAi (INTASYL™) therapeutic platform, today reported its financial results for the full year ended December 31, 2019 and provided a business update.

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"Our progress in 2019, along with the bolstering of our balance sheet, now positions us to further unlock the value of our immuno-oncology programs based on our self-delivering RNAi (INTASYL™) therapeutic platform," said Dr. Gerrit Dispersyn, President and CEO of Phio. "With new data from animal studies becoming available, we look forward to continuing our R&D momentum in 2020, including the transition towards the clinical development stage of our lead candidate PH-762. We also continue to leverage our RNAi platform to establish research collaborations with leading companies and academic institutions. We recently announced a new collaboration and option agreement with Medigene AG, further building on our previously announced research collaboration with the Helmholtz Zentrum München to design and develop novel candidates in adoptive cell therapy."

Year in Review and Recent Corporate Updates

Pipeline

• Phio has developed a product platform based on our INTASYL™ technology that allows easy, precise, rapid and selective non-genetically modified programming of cells. It can be used to improve immune cells used in adoptive cell transfer (ACT therapy) and to reduce immunosuppression in the tumor microenvironment (TME). The use of INTASYL™ to improve ACT can be done ex vivo, during cell manufacturing. The direct therapeutic use of INTASYL™ compounds towards the TME can be done in vivo by local delivery to the tumor in the patient. Both applications of our INTASYL™ technology result in improved immunotherapy.
• Lead product candidate PH-762 is designed to elicit checkpoint blockade by inhibiting PD-1 receptor expression in T cells. Recent data developed in-house and with our collaborators, has shown that PH-762 can elicit PD-1 checkpoint blockade by silencing PD-1 receptor expression resulting in enhanced T cell activation and tumor cytotoxicity, and shows the potential of PH-762 in both ACT and TME applications. The Company expects that PH-762 can be ready to enter the clinic with a partner in ACT therapy in the second half of 2020, and for direct therapeutic use towards the TME through intra-tumoral injection in 2021.
• The Company's next pipeline product, PH-804, is designed to silence the expression of the immune exhaustion target TIGIT by NK cells and T cells resulting in them becoming "weaponized." Phio has shown that reduction of TIGIT by PH-804 leads to an increase in the cytotoxic capacity of NK cells. In addition, in recent in vivo studies by the Company it was shown that intra-tumoral injections of a mouse version of PH-804 reduced the tumor growth in colorectal carcinoma tumor bearing mice. The Company is developing PH-804 with the aim to enter the clinic with a partner in ACT therapy in 2021.

R&D Collaborations

• Entered into a new collaboration and option agreement with Medigene AG ("Medigene") in relation to the previously announced research collaboration with the Helmholtz Zentrum München for the design and development of new targets based on Phio's INTASYL™ platform for use in cancer immunotherapies.
• Expanded on a collaboration with the Karolinska Institutet to further develop self-delivering RNAi immunotherapies for treating solid tumors and build on the exciting results with several compounds in both T cells and NK cells developed under the previous agreement.
• Entered into a research collaboration with the Helmholtz Zentrum München for the design and development of new targets based on Phio's INTASYL™ platform for use in cancer immunotherapies.
• Entered into a research collaboration with Carisma Therapeutics to evaluate the potential of Phio's technology to enhance the immune function of Carisma's chimeric antigen receptor macrophages (CAR-M) as a novel adoptive cell therapy for use in cancer treatment.
• Entered into a research collaboration with Glycostem Therapeutics BV to explore the potential synergies of using our INTASYL™ in combination with Glycostem's proprietary Natural Killer-cell (NK-cell) generation technology (oNKord®). The goal of the collaboration is to develop cellular immunotherapies for cancer treatment with enhanced efficacy and/or safety, resulting in further improvement of Glycostem's cellular immunotherapies for the treatment of cancer patients.

Conference Presentations and Poster Exhibits

• Presented a corporate update at the Biotech Showcase 2020™ in January 2020. The presentation highlighted the Company's in vivo study result with PH-804. The in vivo studies showed that intra-tumoral injections of a mouse version of PH-804 reduced the tumor growth in colorectal carcinoma tumor bearing mice. This was shown to be correlated with the silencing of TIGIT messenger RNA expression and an increase in cytotoxic effector cells in the tumor micro-environment.
• Presented three posters at the Society for Immunotherapy of Cancer (SITC) 2019 Annual Meeting. The presentation highlighted the Company's proprietary INTASYL™ technology for "weaponizing" T cells against cancer reflecting internal work and the Company's collaborations with Iovance Biotherapeutics and the Karolinska Institutet.
• Presented a poster "Feasibility and efficacy using self-delivering RNAi against TGFB1 to reduce TME immunosuppression" at the American Association for Cancer Research (AACR) Annual Meeting 2019.

Organizational

• Appointed Gerrit Dispersyn, Dr. Med. Sc. as the Company's President and Chief Executive Officer.

Financial Results

Cash Position

At December 31, 2019, the Company had cash of $6.9 million as compared with $14.9 million at December 31, 2018. This does not include the $9.74 million in gross proceeds the Company raised through two equity offerings completed in February 2020. The Company expects its cash will be sufficient to fund currently planned operations for at least the next 12 months.

Research and Development Expenses

Research and development expenses were approximately $4.3 million for the years ended December 31, 2019 and 2018, respectively. Research and development expenses were consistent year over year primarily as a result of a reduction in the Company's legacy clinical trial-related expenses which ended in 2018; offset by increased use of third-party CROs to support preclinical immuno-oncology research efforts in 2019.

General and Administrative Expenses

General and administrative expenses were $4.7 million for the year ended December 31, 2019, compared to $3.2 million for the year ended December 31, 2018. The increase was primarily due to legal professional fees, recruiting fees related to employee hiring activities and increased proxy-related fees as a result of the Company's annual and special stockholder meetings held in 2019.

Net Loss

Net loss was $8.9 million or $19.33 per share for the year ended December 31, 2019, compared with $7.4 million or $57.46 per share for the year ended December 31, 2018. The increase was primarily attributable to an increase in operating expenses, discussed above.

About Phio Pharmaceuticals Corp.

Phio Pharmaceuticals Corp. (Nasdaq: PHIO) is a biotechnology company developing the next generation of immuno-oncology therapeutics based on its self-delivering RNAi (INTASYL^™) therapeutic platform. The Company's efforts are focused on silencing tumor-induced suppression of the immune system through its proprietary INTASYL™ platform with utility in immune cells and/or the tumor micro-environment. Our goal is to develop powerful INTASYL™ therapeutic compounds that can weaponize immune effector cells to overcome tumor immune escape, thereby providing patients a powerful new treatment option that goes beyond current treatment modalities. For additional information, visit the Company's website, www.phiopharma.com.

Forward Looking Statements

This press release contains forward-looking statements within the meaning of the Private Securities Litigation Reform Act of 1995. Forward-looking statements are neither historical facts nor assurances of future performance. These statements are based only on our current beliefs, expectations and assumptions regarding the future of our business, future plans and strategies, projections, anticipated events and trends, the economy and other future conditions. Because forward-looking statements relate to the future, they are subject to inherent uncertainties, risks and changes in circumstances that are difficult to predict and many of which are outside of our control. Our actual results may differ materially from those indicated in the forward-looking statements as a result of a number of important factors, including, but not limited to, those identified in our Annual Report on Form 10-K and subsequent Quarterly Reports on Form 10-Q under the caption "Risk Factors" and in other filings the Company periodically makes with the SEC. Readers are urged to review these risk factors and to not act in reliance on any forward-looking statements, as actual results may differ from those contemplated by our forward-looking statements. Phio does not undertake to update forward-looking statements to reflect a change in its views, events or circumstances that occur after the date of this release. 

Contact Phio Pharmaceuticals Corp.
ir@phiopharma.com 

Investor Contact
Ashley R. Robinson 
LifeSci Advisors
arr@lifesciadvisors.com 

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SOURCE Phio Pharmaceuticals Corp.