Anti CD30 CAR – Anti CD30 CAR + tumor specific antibody improving the selective targeting of CD30+/CD30- tumors

The invention describes a CAR which recognizes CD30 as a target antigen and initiates lysis of CD30+ tumor cells but not of CD30+ healthy cells like hematopoietic stem cells. Specific genetic modifications of the
anti-CD30 CAR ensure the specific targeting of CD30+ tumor cells and prevent unwanted side-effects. This approach has been tested in vitro with CD30+ hematopoietic stem cells and CD30+ tumor cells and in vivo in mice transplanted with human CD30+ hematopoietic stem cells. In vivo experiments
proved that the treatment with anti-CD30 T-cells has no unwanted impact on the endogenous immune system.

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