autologous EBV-transformed B lymphoblastoid-tumor fusion cell vaccine A cell-based vaccine composed of autologous tumor cells fused with Epstein-Barr virus-transformed B-lymphoblastoid cells. Upon administration, this vaccine may stimulate a cytotoxic T cell response against tumor cells, resulting in tumor cell lysis. Check for active clinical trials or closed clinical trials using this agent. (NCI Thesaurus)