CD19 and diffuse large B-cell lymphoma: Several additional phase I/II studies with CAR T cells directed against CD19+ B cells are currently being performed in patients with advanced relapsed/refractory DLBCL after autologous stem cell transplant (NCT01865617, NCT01475058, NCT02431988, NCT02348216, NCT01840566 and NCT02445248) (Additional file 1: Table S8).