Study to Evaluate the Safety and Efficacy of ARI0002h, for the Initial Treatment of Patients With Primary Plasma Cell Leukaemia

"* Treatment with ARI0002h cells~* Other names: CARTBCMA\_J22.9-h:CD8TM:4-1BB:CD3. Adult differentiated autologous T cells from peripheral blood, expanded and transduced with a lentivirus to express a chimeric antigen receptor with anti-BCMA (TNFRSF17) specificity conjugated to the 4-1BB co-stimulatory domain and the CD3z signalling domain that has been humanized."