Definition

A preparation of autologous T lymphocytes that are engineered to express a chimeric antigen receptor (CAR) composed of an anti-cluster of differentiation 19 (CD19) single chain variable fragment (scFv) linked to the intracellular signaling domains of 4-1BB (CD137) and the zeta chain of the TCR/CD3 complex (TCRzeta; CD247; CD3zeta), with potential immunomodulating and antineoplastic activities. Upon administration, the autologous anti-CD19 CAR-4-1BB-CD3zeta-expressing T cells CNCT19 target, bind to and induce selective toxicity in CD19-expressing tumor cells. CD19 antigen is a B-cell specific cell surface antigen expressed in all B-cell lineage malignancies.