Indeed, in a model system in which cross‐linking of daratumumab is induced with an anti‐Fc antibody or by cells expressing FcγRI was found to kill CD38‐positive MM tumor cell lines in vitro via programmed cell death (PCD) (M.B. Overdijk, J.H.M. Jansen, M. Nederend, J.J. Lammerts van Bueren, R.W.J. Groen, P.W.H.I. This evidence concerns the gene CD38 and neoplasm.