54 15.3.1 Pre-transplant Evaluation ............................................................................. 54 15.3.2 NMA Salvage Chemotherapy for Group B ................................................. 57 15.3.3 leukapheresis for peripheral blood mononuclear cells (pbmcs) .................. 60 15.3.4 PBSC Mobilization and Leukapheresis ....................................................... 61 15.3.5 Guidelines for Salvage Chemotherapy and PBSC collection .................... 61 15.4 Post-transplant Immunotherapy ................................................................... 62 Re-MATC H Protocol Page 19 of 106 Version: 20180628 16. EXPERIMENTAL STUDY P ROCEDURES (DC + XALT THERAPY) ..........62 16.1 DC Vaccination ............................................................................................ 62 16.2 TTRNA -xALT Administration ....................................................................