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Breakthrough Ultra CAR-T Therapy Shows High Disease Control Rate of 85.7% in Advanced Platinum-Resistant Ovarian Cancer
Breakthrough Ultra CAR-T Therapy Shows High Disease Control Rate of 85.7% in Advanced Platinum-Resistant Ovarian Cancer
As a skilled overseas social media writer, here’s a revamped article for international media promotion:
In a groundbreaking development, PRGN-3005, an Ultra CAR-T cell therapy, is making waves with an impressive disease control rate (DCR) of 85.7% in the treatment of advanced platinum-resistant ovarian cancer. Utilizing non-viral gene delivery technology, this therapy eliminates the need for ex vivo expansion, significantly reducing production time and costs. The ability to administer the treatment rapidly, as soon as the second day after non-viral gene transfer, not only lowers production time and costs but also enhances tumor targeting precision. This holds the potential to disrupt the current landscape of CAR-T cell therapy.
Published in the Journal of Clinical Oncology, the “Phase 1/1b Clinical Trial of PRGN-3005 in Recurrent or Refractory (r/r) Ovarian Cancer” reported promising outcomes. The study included 25 assessable patients with a median age of 64 (range: 38-76) who had undergone extensive pretreatment with a median of 8 prior therapeutic regimens. The patients were divided into three groups: intraperitoneal (IP) infusion (C1, n = 12), intravenous (IV) infusion (C2, n = 6), and intravenous cyclophosphamide low dose (IV LD, n = 7).
Post-treatment, 20% of all participants exhibited regression in at least one target lesion (evaluated by RECIST 1.1 criteria). Notably, the DCR for the IV LD group was an impressive 85.7%, with a 57% reduction in target tumor burden and an average 27.4% decrease in CA125. A patient in the IV LD group experienced a 28% reduction in target tumor burden after a second PRGN-3005 infusion at the 12-month mark. Importantly, no PRGN-3005-related dose-limiting toxicities, neurotoxicities, or ≥3-grade cytokine release syndrome (CRS) adverse reactions were observed.
These results underscore the favorable tolerability of PRGN-3005 Ultra CAR-T therapy in treating ovarian cancer, demonstrating an encouraging disease control rate (DCR) and an overall reduction in tumor burden.
While CAR-T therapy has shown great promise in treating hematologic malignancies and several products have been approved, its application in solid tumor treatment is still in the clinical experimental stage. Nevertheless, with the continuous evolution of CAR-T generations, the emergence of more prominent targets, and improvements in proliferation and cytokine release aspects, the conquest of advanced solid tumors by CAR-T therapy seems imminent. Numerous clinical trials are already underway, offering hope for complete remission in fortunate patients.
#PRGN3005 #CARTTherapy #OvarianCancer #MedicalBreakthrough #CancerTreatment #Ovarian