On October 14, 2025 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, reported that its research collaborators will present positive preclinical data at the upcoming 2025 AACR (Free AACR Whitepaper)-NCI-EROTC AACR-NCI-EORTC (Free AACR-NCI-EORTC Whitepaper) International Conference on Molecular Targets and Cancer Therapeutics (EORTC-NCI-AACR) (Free ASGCT Whitepaper) (Free EORTC-NCI-AACR Whitepaper) taking place October 22-26, 2025 at the Hynes Convention Center in Boston. The collaborators will present positive preclinical data from a study of Genprex’s lead drug candidate, Reqorsa Gene Therapy (quaratusugene ozeplasmid), for the treatment of ALK-EML4 positive non-small cell lung cancer (NSCLC).
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"We are thrilled that our collaborators have once again been selected to present positive preclinical data on the use of REQORSA and its ability to induce apoptosis in ALK positive lung cancer, a subset of NSCLC that impacts mostly young, non-smoking individuals," said Ryan Confer, President and Chief Executive Officer at Genprex. "These preclinical data further validate REQORSA as a potential treatment for many types of cancer, including another subset of lung cancer, and we look forward to continuing our studies of REQORSA in combination with ALK inhibitors."
The featured Genprex-supported poster to be presented at the 2025 EORTC-NCI-AACR (Free EORTC-NCI-AACR Whitepaper) Symposium on Molecular Targets and Cancer Therapeutics:
Title: "Quaratusugene ozeplasmid mediated TUSC2 upregulation in EML4-ALK bearing non-small cell lung carcinoma induces apoptosis and is highly effective in preclinical studies"
Collaborator: The University of Michigan Rogel Cancer Center
Session: Poster Session C
Session Date and Time: Saturday, October 25, 2025 from 12:30 – 4:00 p.m. ET
Genprex entered into a Sponsored Research Agreement (SRA) with the University of Michigan Rogel Cancer Center in October 2024 to study TUSC2, the tumor suppressor gene used in REQORSA, in combination with ALK-inhibitors in ALK-EML4 positive translocated lung cancer. Also in October 2024, Genprex announced its collaboration with ALK Positive, a non-profit patient-driven research organization dedicated to improving the life expectancy and quality of life for ALK-positive lung cancer patients, which shares in sponsoring this preclinical study.
TUSC2 is the tumor suppressor gene used in REQORSA. REQORSA consists of a TUSC2 gene expressing plasmid 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 show that the uptake of TUSC2 in tumor cells in vitro after REQORSA treatment was 10 to 33 times the uptake in normal cells.
(Press release, Genprex, OCT 14, 2025, View Source [SID1234656639])