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Ligand-Based OSM CAR-T Shows Preclinical Efficacy Against Osteosarcoma

The Case Western team says the preclinical data support advancing the therapy toward first-in-human testing within two years.

Overview

  • Peer-reviewed results in BMC Medicine from Case Western Reserve University and University Hospitals detail robust anti-tumor effects in preclinical studies.
  • The engineered CAR-T uses a ligand-based design to target two receptors for oncostatin MOSMR and LIFR—addressing solid-tumor heterogeneity.
  • Treatment reduced tumor burden in multiple mouse models, including models of disease that had spread to lungs and other organs.
  • Activity was observed across all tested patient-derived osteosarcoma samples, including a treatment-resistant patient-derived xenograft model.
  • Investigators plan to submit an IND and anticipate launching clinical trials within roughly two years, with human safety and efficacy still unproven.