Joshua Richter, MD, of Mount Sinai Medical Center, New York, NY, discusses the incidence of graft-versus-host disease in patients with multiple myeloma treated with daratumumab, a CD38 monoclonal antibody, after allogeneic hematopoietic cell transplantation (allo-HCT). This interview was recorded via an online conference call with The Video Journal of Hematological Oncology (VJHemOnc).