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GeoVax Announces Expansion of Next-Generation COVID-19 Vaccine Rights to Include Omicron Variants and Use Against Orthopoxviruses
Expanded Rights Include Development of GEO-CM04S1 Against Mpox (Monkeypox) and Smallpox
ATLANTA, GA - (NewMediaWire) - April 17, 2023 - GeoVax Labs, Inc. (Nasdaq: GOVX), a biotechnology company developing immunotherapies and vaccines against cancers and infectious diseases, today announced the expansion of its rights under its exclusive license agreement with City of Hope (COH), a world-renowned cancer research and treatment organization, to include development and commercialization rights against orthopoxviruses in addition to SARS-CoV-2.
The original license agreement with COH provides GeoVax exclusive worldwide rights to key patents, including the use of COH’s proprietary synthetic MVA (sMVA) process, for developing COVID-19 vaccines, including GEO-CM04S1 (CM04S1), a multi-antigenic SARS-CoV-2 investigational vaccine expressing the spike and nucleocapsid antigens of the SARS-CoV-2 virus. CM04S1 is currently being studied in two ongoing Phase 2 clinical trials.
The amendment to the license announced today grants GeoVax an expanded field of use to develop vaccine products, such as CM04S1, which target the prevention, reduction, amelioration or treatment of COVID-19 to also include targeting the prevention, reduction, amelioration or treatment of diseases caused by a virus within the orthopoxvirus genus. Orthopoxviruses include Mpox (monkeypox), smallpox, and other viruses that cause disease in humans.
Potential Benefit of the Additional Indications
Modified Vaccinia Ankara (MVA) is the vaccine currently used and stockpiled in the U.S. Strategic National Stockpile for immunization against the Mpox and smallpox viruses. GeoVax previously demonstrated that an experimental HIV vaccine, utilizing MVA as the vaccine vector, protected non-human primates challenged with a lethal dose of the Mpox virus (publication accessible here). Further, in August 2022, COH published results demonstrating that both their proprietary sMVA (synthetic MVA) and CM04S1 (referred to as “COH04S1” in the publication, accessible here) elicited robust orthopoxvirus-specific binding and neutralizing antibody responses. The authors conclude that CM04S1 and sMVA represent unique vaccine candidates to control the unforeseen global Mpox outbreak.
CM04S1, which can induce strong antibody and T cell responses against the variants of the SARS-CoV-2 virus, also offers the possibility of protection against Mpox and smallpox diseases, further differentiating CM04S1 as compared to current mRNA-based COVID-19 vaccines. Such attributes may be especially important in vulnerable patient populations, such as the immune-compromised, as well as in geographic areas where both diseases are endemic. Such a vaccine may offer a simplified vaccine regimen for protection against diseases associated with SARS-CoV-2 and orthopoxviruses.
David Dodd, GeoVax’s Chairman and CEO, commented, “We are delighted to have secured these expanded rights to the COH sMVA technology for further development and commercial use together with our ongoing COVID-19 vaccine program. This provides a compelling opportunity to leverage our MVA-based vaccine expertise and help expand the global public health supply options available for the worldwide public health threats posed by SARS-CoV-2, Mpox and smallpox.”
Mr. Dodd continued, “We are pleased with the continued encouraging results of our COVID-19 vaccine, especially related to addressing the critical needs of the high-risk immunocompromised patient populations. GeoVax is focusing on the clinical development of this vaccine for use in patients with special medical limitations or needs, specifically the immunocompromised populations. These individuals may be unable to raise or maintain protective antibody responses after receipt of first-generation mRNA vaccines, contributing to reduced vaccine efficacy. This includes patients suffering from and/or being treated for numerous malignancies and autoimmune disorders, transplant patients, dialysis patients, and potentially the aging population.”
About GEO-CM04S1
GEO-CM04S1 is a next-generation COVID-19 vaccine based on GeoVax’s MVA viral vector platform, which supports the presentation of multiple vaccine antigens to the immune system in a single dose. CM04S1 presents both the spike and nucleocapsid antigens of SARS-CoV-2 and is specifically designed to induce both antibody and T cell responses to non-variable parts of the virus. The more broadly specific and functional engagement of the immune system is designed to provide protection against the new and continually emerging variants of COVID-19. Based on data from animal models and a completed Phase 1 clinical study, vaccine-induced immune responses were shown to recognize both early and later variants of SARS-CoV-2, including the Omicron variant. Vaccines of this format should not require repeated modification and updating.
A recent presentation of unpublished data from the open-label portion of the Phase 2 trial of CM04S1 (ClinicalTrials.gov Identifier: NCT04977024) in patients undergoing hematological cancer treatment (i.e., patients who have reduced immune system function as a result of treatment) indicates that CM04S1 is highly immunogenic in these patients, inducing both antibody responses, including neutralizing antibodies, and T cell responses. These data support the planned progression of the Phase 2 clinical study, which will include a direct comparison to currently approved mRNA vaccines.
CM04S1 continues to advance in a second Phase 2 clinical trial as a booster for healthy patients who have previously received the Pfizer or Moderna mRNA vaccine (ClinicalTrials.gov Identifier: NCT04639466). Data from these studies will form the basis for comparing vaccine potential in unique patient groups as well as the general population.
About GeoVax
GeoVax Labs, Inc. is a clinical-stage biotechnology company developing novel therapies and vaccines for solid tumor cancers and many of the world’s most threatening infectious diseases. The company’s lead program in oncology is a novel oncolytic solid tumor gene-directed therapy, Gedeptin®, presently in a multicenter Phase 1/2 clinical trial for advanced head and neck cancers. GeoVax’s lead infectious disease candidate is GEO-CM04S1, a next-generation COVID-19 vaccine targeting high-risk immunocompromised patient populations. Currently in two Phase 2 clinical trials, GEO-CM04S1 is being evaluated as a COVID-19 vaccine for immunocompromised patients such as those suffering from hematologic cancers and other patient populations for whom the current authorized COVID-19 vaccines are insufficient. In addition, GEO-CM04S1 is in a Phase 2 clinical trial evaluating the vaccine as a more robust, durable COVID-19 booster among healthy patients who previously received the mRNA vaccines. GeoVax has a leadership team who have driven significant value creation across multiple life science companies over the past several decades. For more information, visit our website: www.geovax.com.
Investor Relations Contact:
Rich Cockrell
CG Capital
404-736-3838
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