Carisma Therapeutics Inc. announced that the U.S. Food and Drug Administration (FDA) has granted Fast Track designation for CT-0525, an ex vivo gene-modified autologous chimeric antigen receptor-monocyte (CAR-Monocyte) cellular therapy intended to treat solid tumors that overexpress human epidermal growth factor receptor 2 (HER2). The FDA's Fast Track program is aimed to facilitate the development, and expedite the review, of novel potential therapies that are designed to treat serious conditions and have the potential to address significant unmet medical need. The Phase 1 clinical trial for CT-0525 is an open-label study designed to assess the safety, tolerability, and manufacturing feasibility of CT-0525.

This trial will enroll participants with locally advanced (unresectable) or metastatic solid tumors overexpressing HER2 whose disease has progressed on standard approved therapies. The initial study design will consist of two dose escalation cohorts. Further details of the trial can be found at www.clinicaltrials.gov under NCT identifier: NCT06254807.

CT-0525 is a first-in-class, ex vivo gene-modified autologous chimeric antigen receptor-monocyte (CAR-Monocyte) cellular therapy intended to treat solid tumors that overexpress human epidermal growth factor receptor 2 (HER2). It is being studied in a multi-center, open label, Phase 1 clinical trial for patients with advanced/metastatic HER2-overexpressing solid tumors that have progressed on available therapies. The CAR-Monocyte approach has the potential to address some of the challenges of treating solid tumors with cell therapies, including tumor infiltration, immunosuppression within the tumor microenvironment, and antigen heterogeneity.

CT-0525 has the potential to enable significant dose escalation, enhance tumor infiltration, increase persistence, and reduce manufacturing time compared to macrophage therapy.