Tuesday, November 5, 2024

Genprex Announces U.S. Patent for REQORSA Immunogene Therapy

Genprex, Inc., a clinical-stage gene therapy company focused on developing life-changing therapies for patients with cancer and diabetes, announced that the United States Patent and Trademark Office (USPTO) has granted Genprex U.S. Patent No: 11,278,592 B2. The patent covers methods of using REQORSATM Immunogene Therapy in conjunction with immune checkpoint inhibitors, through 2038.

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“This new patent provides critical protection for our REQORSA gene therapy in combination with a checkpoint inhibitor, for example an anti-PD1 antibody, to treat cancer. This is important as our ongoing Acclaim-2 Phase 1/2 clinical trial combines REQORSA™ with Keytruda®, an anti-PD1 antibody, to treat non-small cell lung cancer,” noted Thomas Gallagher, Esq., Senior Vice President of Intellectual Property and Licensing at Genprex. “We continue to strengthen our intellectual property portfolio and continue to build protection around our technology as it safeguards our gene therapy with target-specific combination therapy, is a deterrent to would-be competitors and creates value around our core competencies.”

Acclaim-2 is an open-label, multi-center Phase 1/2 clinical trial evaluating the Company’s lead drug candidate, REQORSA™ Immunogene Therapy, in combination with Keytruda® (pembrolizumab) in patients with late-stage non-small cell lung cancer (NSCLC) whose disease progressed after treatment with Keytruda. More information on Acclaim-2 can be found at www.clinicaltrials.gov Identifier NCT05062980.

In 2021, Genprex received U.S. Food and Drug Administration’s (FDA) Fast Track Designation for treatment of the Acclaim-2 patient population.

The Acclaim-2 trial is a Phase 1/2 open-label, dose-escalation and clinical response study of REQORSA in combination with Keytruda in patients with advanced, metastatic non-small-cell lung cancer who have progressed after treatment with Keytruda. The Company anticipates enrolling patients at approximately 15 clinical sites and estimates that the Phase 1 portion of the Acclaim-2 trial will enroll up to 30 patients and the Phase 2 portion will enroll approximately 126 patients. Patients enrolled in the Phase 2 portion of the study will be randomized 2:1 to either REQORSA and Keytruda combination therapy or to chemotherapy (docetaxel with or without ramucirumab). Patients will be treated until disease progression or unacceptable toxicity is experienced. Patients must have histologically confirmed unresectable stage III or IV NSCLC (any histology) with radiological progression on Keytruda and an ECOG performance status of 0 to 1. Genprex expects to complete the Phase 1 portion of Acclaim-2 by mid-2023.

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