Here, Eoin McGrath, BA, from the Joint Accreditation Committee ISCT (JACIE), European Society for Blood & Marrow Transplantation (EBMT), Barcelona, Spain, talks about EMA initiatives on registries at the 1st European CAR T-Cell Meeting, held in Paris, France, co-organized by the European Society for Blood & Marrow Transplantation (EBMT) and the European Hematology Association (EHA).