A study has demonstrated the potential of a novel ligand-based CAR T-cell therapy for targeting CD7-positive T-cell malignancies, including T-cell acute lymphoblastic leukemia (T-ALL) and T-cell lymphomas. The receptor CD7 is a prominent target antigen, being expressed in around 95% of T-ALL, 50% of peripheral T-cell lymphomas and 10% of acute myeloid leukemias.