Recent developments and future directions in hematopoietic stem cell transplantation and cellular therapy.

From March 23 to 27 2019 the 45th Annual Meeting of the European Society for Blood and Marrow Transplantation 2019 was held in Frankfurt, Germany. Along with the common topics of allogeneic hematopoietic stem cell transplantation (alloHSCT) such as improvements in conditioning regimens, treatment of graft-versus-host disease (GvHD) and reducing the risk of malignant relapse, a particular emphasis of the meeting was put on the rapidly expanding field of chimeric antigen receptor T cells (CAR T cells). The following article poses a personal selection of recent developments covered at the meeting.