Genprex Signs Exclusive Technology License Agreement with New York University Langone Health for the Treatment of Mesothelioma

Additional Gene Therapy Technology Expands Genprex's Portfolio of Oncology Licenses , /PRNewswire/ -- Genprex, Inc. ("Genprex" or the "Company") (NASDAQ: GNPX), a clinical-stage gene therapy company focused on developing life-changing therapies for patients with cancer and diabetes, today announced it has signed an exclusive patent license agreement with NYU Langone Health related to the drug candidate, Reqorsa® Gene Therapy (quaratusugene ozeplasmid). The therapy is under investigation as a potential treatment for mesothelioma. The subject patent is co-owned by Genprex and NYU Langone Health, and the license provides Genprex with patent exclusivity. "We are pleased to expand our robust oncology franchise, intellectual property portfolio and research program for REQORSA to continue exploring how it may serve as a therapeutic treatment for some of the most difficult to treat cancers and diseases," said Thomas Gallagher, Senior Vice President of Intellectual Property and Licensing. "We believe REQORSA has the potential to treat mesothelioma, and this license agreement positions Genprex to expand its clinical development pipeline with future clinical studies that are within the scope of the licensed patent." Expression of TUSC2 is downregulated in 84% of mesotheliomas. TUSC2 is the tumor suppressor gene used in REQORSA. Research collaborators at NYU presented positive preclinical data from a study of REQORSA for the treatment of mesothelioma at the 2024 EORTC-NCI-AACR Symposium on Molecular Targets and Cancer Therapeutics. In this study, four Malignant Pleural Mesothelioma (MPM) cell lines and tert-transformed mesothelial LP9 cells were treated with REQORSA and control liposomes for 48h. Treated cells were then evaluated for TUSC2 expression by semi quantitative RT-PCR, Western blot analysis, and functional assays including cell proliferation, invasion, and apoptosis. The researchers demonstrated that REQORSA treatment resulted in a significant decrease in cell proliferation, cell invasion, and a significant increase in cell apoptosis in all four MPM cell lines. Data also demonstrated potent tumor suppressive activity of the TUSC2 gene delivered by REQORSA, and thus, its re-expression could serve as a potential therapeutic strategy for the treatment of MPM. In 2024, Genprex announced the formation of its Mesothelioma Clinical Advisory Board to support the Company's preclinical mesothelioma oncology program. The Board is comprised of four world-renown researchers from major research institutions specializing in the treatment of mesothelioma. According to the Centers for Disease Control and Prevention, mesothelioma is a cancer that forms in the thin tissue that lines many internal organs, called the mesothelium. The most common kind of mesothelioma forms in the tissue around the lungs, called the pleura. This is called pleural mesothelioma, which accounts for 80-90% of all mesothelioma diagnoses. Approximately 3,000 new cases of mesothelioma are diagnosed each year in the U.S., and there are approximately 2,500 mesothelioma-related deaths each year in the U.S. The life expectancy for pleural mesothelioma is 18 months, and the 3-year survival rate with treatment for pleural mesothelioma is 23%. About Reqorsa® Gene TherapyREQORSA (quaratusugene ozeplasmid) consists of a plasmid containing the TUSC2 gene encapsulated in non-viral lipid-based nanoparticles in a lipoplex form (the Company's Oncoprex® Delivery System), which has a positive charge. REQORSA is injected intravenously and specifically targets cancer cells. REQORSA is designed to deliver the functioning TUSC2 gene to negatively charged cancer cells while minimizing uptake by normal tissue. Laboratory studies conducted at MD Anderson show that the uptake of TUSC2 in tumor cells in vitro after REQORSA treatment was 10 to 33 times the uptake in normal cells. About Genprex, Inc.Genprex, Inc. is a clinical-stage gene therapy company focused on developing life-changing therapies for patients with cancer and diabetes. Genprex's technologies are designed to administer disease-fighting genes to provide new therapies for large patient populations with cancer and diabetes who currently have limited treatment options. Genprex works with world-class institutions and collaborators to develop drug candidates to further its pipeline of gene therapies in order to provide novel treatment approaches. Genprex's oncology program utilizes its systemic, non-viral Oncoprex® Delivery System which encapsulates the gene-expressing plasmids using lipid-based nanoparticles in a lipoplex form. The resultant product is administered intravenously, where it is taken up by tumor cells that then express tumor suppressor proteins that were deficient in the tumor. The Company's lead product candidate, Reqorsa® Gene Therapy (quaratusugene ozeplasmid), is being evaluated in two clinical trials as a treatment for NSCLC and SCLC. Each of Genprex's lung cancer clinical programs has received a Fast Track Designation from the FDA for the treatment of that patient population, and Genprex's SCLC program has received an FDA Orphan Drug Designation. Genprex's diabetes gene therapy approach is comprised of a novel infusion process that uses an AAV vector to deliver Pdx1 and MafA genes directly to the pancreas. In models of Type 1 diabetes, GPX-002 transforms alpha cells in the pancreas into functional beta-like cells, which can produce insulin but may be distinct enough from beta cells to evade the body's immune system. In a similar approach for Type 2 diabetes, where autoimmunity is not at play, GPX-002 is believed to rejuvenate and replenish exhausted beta cells. Interested investors and shareholders are encouraged to sign up for press releases and industry updates by visiting the Company Website, registering for Email Alerts and by following Genprex on Twitter, Facebook and LinkedIn. Cautionary Language Concerning Forward-Looking StatementsStatements contained in this press release regarding matters that are not historical facts are "forward-looking statements" within the meaning of the Private Securities Litigation Reform Act of 1995. These forward-looking statements are made on the basis of the current beliefs, expectations and assumptions of management, are not guarantees of performance and are subject to significant risks and uncertainty. These forward-looking statements should, therefore, be considered in light of various important factors, including those set forth in Genprex's reports that it files from time to time with the Securities and Exchange Commission and which you should review, including those statements under "Item 1A – Risk Factors" in Genprex's Annual Report on Form 10-K for the year ended December 31, 2024. Because forward-looking statements are subject to risks and uncertainties, actual results may differ materially from those expressed or implied by such forward-looking statements. Such statements include, but are not limited to, statements regarding: REQORSA's potential as a therapeutic treatment for mesothelioma; Genprex's ability to advance the clinical development, manufacturing and commercialization of its product candidates in accordance with projected timelines and specifications; the timing and success of Genprex's clinical trials and regulatory approvals, the effect of Genprex's product candidates, alone and in combination with other therapies, on cancer and diabetes; the effects of any strategic research and development prioritization initiatives, and any other strategic alternatives or other efforts that Genprex takes or may take in the future that are aimed at optimizing and re-focusing Genprex's diabetes, oncology and/or other clinical development programs including prioritization of resources, and the extent to which Genprex is able to implement such efforts and initiatives successfully to achieve the desired and intended results thereof; Genprex's future growth and financial status, including Genprex's ability to maintain compliance with the continued listing requirements of The Nasdaq Capital Market and to continue as a going concern and to obtain capital to meet its long-term liquidity needs on acceptable terms, or at all; Genprex's commercial and strategic partnerships, including those with its third party vendors, suppliers and manufacturers and their ability to successfully perform and scale up the manufacture of its product candidates; and Genprex's intellectual property and licenses. These forward-looking statements should not be relied upon as predictions of future events and Genprex cannot assure you that the events or circumstances discussed or reflected in these statements will be achieved or will occur. If such forward-looking statements prove to be inaccurate, the inaccuracy may be material. You should not regard these statements as a representation or warranty by Genprex or any other person that Genprex will achieve its objectives and plans in any specified timeframe, or at all. You are cautioned not to place undue reliance on these forward-looking statements, which speak only as of the date of this press release. Genprex disclaims any obligation to publicly update or release any revisions to these forward-looking statements, whether as a result of new information, future events or otherwise, after the date of this press release or to reflect the occurrence of unanticipated events, except as required by law. Genprex, Inc.(877) 774-GNPX (4679) GNPX Investor Relations[email protected] GNPX Media ContactKalyn Dabbs[email protected] SOURCE Genprex, Inc. WANT YOUR COMPANY'S NEWS FEATURED ON PRNEWSWIRE.COM? 440k+ Newsrooms & Influencers 9k+ Digital Media Outlets 270k+ Journalists Opted In

Genprex Signs Exclusive Technology License Agreement with New York University Langone Health for the Treatment of Mesothelioma

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