Rakesh Popat, MBBS, MRCP, FRCPath, PhD, University College London Hospitals NHS Foundation Trust, London, UK, discusses the data on the BCMA-directed antibody-drug conjugate belantamab mafodotin (GSK2857916) from the first-in-human Phase I trial (DREAMM-1; NCT02064387) and patient-reported outcomes. This interview took place at the 24th Congress of the European Hematology Association (EHA) 2019, held in Amsterdam, Netherlands.