Virpax Pharmaceuticals Reports 2022 Year-End Results

Virpax Pharmaceuticals

BERWYN, PAVirpax Pharmaceuticals, Inc. (NASDAQ: VRPX) recently announced its financial results for the twelve months that ended December 31, 2022, and other recent developments.

“We continue to make progress in our drug candidate programs as well as in our efforts to secure non-dilutive funding. Additionally, we have attracted leading physicians to advise on trial design, regulatory pathway and patient recruitment, as well as world-class partners to support our global sub-licensing plans for selected pipeline assets,” commented Anthony P. Mack, Chairman and Chief Executive Officer of Virpax.

“The work on developing an improved formulation for Probudur™, our leading drug product for postoperative pain management, has been completed. With this new formulation, we expect to demonstrate longer duration, manufacturing efficiencies and extended patent protection. We are working with Lipocure to scale up production of Probudur in anticipation of initiating Investigational New Drug Application (IND) enabling toxicity studies. It is currently expected that we will engage one of our CROs to initiate our pre-clinical animal studies towards the end of 2023.

“We recently announced that Dr. Neil Singla, a leading pain expert, will be working with Virpax to assist in the design and support of the clinical development strategy for Probudur. In addition, Dr. Singla will work with us on patient recruitment and establishing relationships with patient advocacy groups as well as submissions for potential grants and additional cooperative research and development agreements (CRADAs),” continued Mr. Mack.

“The Molecular Envelope Technology (MET) that we have in-licensed from Nanomerics Ltd. is serving as the foundation for our other two Rx programs, Envelta™ and NobrXiol™. As stated previously, we expect to be able to reference the same MET preclinical data for both submissions, potentially saving us valuable time and money. With Envelta, the Company is working under our grant program with the National Center for Advancing Translational Sciences (NCATS) to scale up manufacturing in anticipation of an IND filing in 2024.

“With NobrXiol, we recently received our pre-IND guidance from the Food and Drug Administration ( FDA) to help guide us as we advance this drug candidate. To support our overall development plan, we have engaged two leading physicians experienced in pediatric epilepsy, Dr. Kenneth Sommerville and Dr. Lawrence Fried. Additionally, we have identified grant opportunities for NobrXiol and anticipate that Dr. Sommerville and Dr. Fried will assist our team in our grant and CRADA submissions,” added Mr. Mack.

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“We are moving forward with our non-dilutive financing strategy with both grants and licensing opportunities. Our grant team, in conjunction with outside experts, identifies and evaluates grant opportunities and CRADAs where we believe we have a strong chance of success. We have applications in process, as well as pending applications and will continue to pursue this strategic approach.

“Finally, we have engaged exclusive advisors for our partnering and licensing efforts in key global markets. New England Investors is leading our effort for Envelta in the People’s Republic of China. Before they could begin their work, we were required to obtain a patent in China, which we obtained this past November. To date, we are encouraged by the initial interest and responses they have received.

“Destum Partners, whom we have engaged to lead our global strategic partnering and licensing efforts for our two potential OTC products (EpoladermTM, indicated for osteoarthritis pain, and AnQlar™, an intranasal mucosal viral barrier) and Probudur for the animal health market, have begun their outreach efforts. They are starting with Probudur and have identified several animal health care companies that have expressed initial interest. While these types of licensing deals take time to complete, we are optimistic based upon the level of interest to date.

“I believe we have a highly experienced and motivated team working to help us enter first-in-human trials. We have a solid strategy in place and expect that we will achieve some significant drug development milestones in 2023 as well as important regulatory milestones in 2024,” concluded Mr. Mack.


  • On December 8, 2022, Virpax received Pre-Investigational New Drug (PIND) application guidance from the FDA for NobrXiol. The main purpose of a PIND submission is to obtain FDA guidance on the overall development plan for a new drug and to identify any need for further data prior to submitting an IND.

    NobrXiol is the Company’s product candidate for the delivery of cannabidiol in the management of epilepsy in children and adults that utilizes Nanomerics’ Molecular Envelope Technology (MET) as its delivery system to cross the blood brain barrier, propelling the cannabidiol nanoparticles through the nose to the brain via the olfactory nerve.

  • On January 4, 2023, Virpax announced that it has engaged two leading physicians experienced in childhood epilepsy, Dr. Kenneth W. Sommerville and Dr. Lawrence Fried, to support the overall development plan for NobrXiol. Their involvement with this program is expected to include advising on trial design, regulatory pathway development and patient recruitment. Additionally, it is anticipated that they will support Virpax with patient advocacy groups and grant applications.
  • On January 10, 2023, Virpax announced that that the Company has engaged Destum Partners, Inc. to serve as the exclusive advisor for the Company’s partnering and licensing efforts in strategic global markets. This initial engagement will encompass the Company’s OTC product candidates, Epoladerm, indicated for osteoarthritis pain, and AnQlar, an intranasal mucosal viral barrier. Additionally, Destum Partners will work with Virpax on identifying a partner in the animal health market for its Rx product candidate, Probudur, a long-acting local anesthetic indicated for postoperative pain management.
  • On January 18, 2023, Virpax announced that it will utilize leading pain expert, Dr. Neil K. Singla, to assist in the design and support of the clinical development strategy for Probudur. Probudur is Virpax’s post-operative, long-acting anesthetic injection product candidate that is being developed to significantly reduce or eliminate the need for opioids after surgery in approved indications.
  • On January 31, 2023, Virpax announced the Company has engaged New England Investors, LLC to serve as the out-licensing advisor for Envelta in the People’s Republic of China. Envelta is Virpax’s non-opioid pain product candidate for acute and chronic pain including non-cancer pain that is being funded under an in-kind grant from NCATS, part of the National Institutes of Health (NIH).
  • On February 13, 2023, Virpax announced that the Company has completed FDA-required preclinical toxicology studies for its licensed Molecular Envelope Technology. The Company believes MET may enhance the delivery of Virpax’s Envelta and NobrXiol product candidates. MET is also utilized in the Company’s AnQlar product candidate. These preclinical toxicology studies were performed to evaluate the safety of the MET platform and support the IND submission of each product candidate.


Twelve Months Ended December 31, 2022

Operating Expenses

General and administrative expenses increased by $3,896,078, or 54%, to $11,082,463 for the year ended December 31, 2022, from $7,186,385 for the year ended December 31, 2021. The primary reasons for the increase in general and administrative costs were (i) an increase in legal costs associated with litigation defense efforts of $3,417,321, including a $2,000,000 estimated litigation liability, (ii) an increase in salaries and wages and employee benefits of $257,438, (iii) an increase in insurance costs related to directors’ and officers’ insurance of $216,134, (iv) an increase in non-executive board compensation of $181,667, and (v) an increase in grant writing and grant consulting fees of $114,973. This was offset by a decrease in stock-based compensation of $316,768.

Research and development expenses increased by $5,923,555, or 122%, to $10,762,670 for the year ended December 31, 2022, from $4,839,115 for the year ended December 31, 2021. The increase was primarily attributable to (i) an increase in preclinical activity of $3,826,920 related to AnQlar’s ongoing IND enabling studies and regulatory consulting, in addition to an increase in milestone payments of $500,000 made to Nanomerics related to AnQlar, (ii) an increase in NobrXiol of $599,800 mainly due to a milestone payment of $500,000 paid to Nanomerics upon achieving the study aim contained within a pre-clinical animal study,(iii) increases in preclinical and regulatory activity related to Epoladerm of $513,517, and (iv) an increase in preclinical work related to Probudur of $487,573 related to ongoing formula optimization.

Cash Flows

Operating Activities

For the year ended December 31, 2022, cash used in operations was $17,846,708 compared to $14,542,592 for the year ended December 31, 2021. The increase in cash used in operations was primarily the result of the increase in net loss offset by a decrease in prepaid expenses and current assets as well as an increase in current liabilities.

Financing Activities

Cash provided by financing activities was $51,329,788 during the year ended December 31, 2021, attributable primarily to net proceeds received from the Company’s initial public offering in February 2021 of $15,834,087 and the underwritten offering in September 2021 of $36,999,465, after deducting underwriting discounts and offering expenses. These proceeds were offset by the repayment in full of the Comapny’s RRD Note of $493,480 in February 2021 and repayments of its promissory notes and the unforgiven portion of the PPP Loan of an aggregate of $1,503,764. No financing activities took place during the year ended December 31, 2022.

On December 31, 2022, Virpax had cash of approximately $19.0 million.

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