In this video, recorded at the 2018 European Society for Blood and Marrow Transplantation (EBMT) Annual Meeting in Lisbon, Portugal, Denis Claude Roy, MD, FRCP, of the University of Montreal, Montreal, Canada, discusses the practicality of implementing his technique for eradicating GvHD after haploidentical stem cell transplant by selectively killing active donor T-cells. This technique would be easily translated to an everyday clinical setting, as Dr Roy explains.