Nicolaus Kröger, MD, University Medical Center Hamburg-Eppendorf, Hamburg, Germany, outlines the results of a study (NCT00777998) investigating the safety and efficacy of the combination of auto-allo tandem stem cell transplantation (SCT) in patients with multiple myeloma, followed by maintenance therapy with low-dose thalidomide and donor lymphocyte infusions. This interview took place during the 47th Annual Meeting of the European Group for Blood and Marrow Transplantation (EBMT) 2021.