Case series:Sequential CART cell immunotherapy

study of sequential chimeric antigen receptor T cell therapy targeting at different B-cell antigens in primary refractory or chemotherapeutic relapsed B-cell acute lymphoblastic leukemia

Study for sequential chimeric antigen receptor T cells targeting at different B-cell antigens in relapsed B-cell acute lymphoblastic leukemia after allogeneic hematopoietic stem cell transplantation