Genprex (NASDAQ: GNPX), a clinical-stage gene therapy company focused on developing life-changing treatments for patients with cancer and diabetes, today announced that its collaborators published positive preclinical data for the use of Genprex’s ONCOPREX(R) Nanoparticle Delivery System for delivery of a FAS DNA plasmid to treat metastatic colorectal cancer. The preclinical study, published in the journal Cancers*, found that tumor selective ONCOPREX nanoparticles carrying FAS DNA plasmids suppress human colon tumor growth in vivo in mouse models, indicating that this may be an effective therapy for human colorectal cancer. “These positive preclinical data validate that the ONCOPREX Nanoparticle Delivery System can be used to deliver tumor suppressor genes other than TUSC2, which we are using in lung cancer studies with REQORSA, to address multiple types of cancer,” said Genprex Chief Medical Officer Mark S. Berger, MD. “The data also provide early support for FAS as a tumor suppressor gene in colorectal cancer. With this compelling data, Genprex is positioned to expand its oncology programs in the future and to further explore use of its delivery system for other therapeutic genes, alone or in combination with other approved cancer therapies, to provide new therapeutic approaches for patients with serious medical conditions and unmet medical needs. We will continue to evaluate FAS using our ONCOPREX delivery platform as a potential pipeline addition within our oncology program.”
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About Genprex Inc.
Genprex 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 unique, proprietary, non-viral ONCOPREX(R) Nanoparticle Delivery System, which the company believes is the first systemic gene therapy delivery platform used for cancer in humans. ONCOPREX encapsulates the gene-expressing plasmids using lipid nanoparticles. The resultant product is then administered intravenously, where it is then taken up by tumor cells that express proteins that are deficient. The company’s lead product candidate, REQORSA(TM) (quaratusugene ozeplasmid), is being evaluated as a treatment for non-small cell lung cancer (“NSCLC”). REQORSA has a multimodal mechanism of action that has been shown to interrupt cell signaling pathways that cause replication and proliferation of cancer cells; re-establish pathways for apoptosis, or programmed cell death, in cancer cells; and modulate the immune response against cancer cells. REQORSA has also been shown to block mechanisms that create drug resistance. In 2020, the U.S. Food and Drug Administration (“FDA”) granted Fast Track Designation for REQORSA for NSCLC in combination therapy with AstraZeneca’s Tagrisso(R) (osimertinib) for patients with EGFR mutations whose tumors progressed after treatment with Tagrisso. In 2021, the FDA granted Fast Track Designation for REQORSA for NSCLC in combination therapy with Merck & Co’s Keytruda(R) (pembrolizumab) for late-stage patients whose disease progressed after treatment with Keytruda. For more information, visit the company’s web site at www.Genprex.com.
*Cancers 2022, 14 (2), 361; https://doi.org/10.3390/cancers14020361
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