NCIt definition : A cancer vaccine comprised of a recombinant fowlpox virus vector encoding the carcinoembryonic
antigen (CEA) and a TRIad of COstimulatory Molecules (B7-1, ICAM-1 and LFA-3) (TRICOM).
This agent may enhance CEA presentation to antigen presenting cells (APC) and activate
cytotoxic T-cells against CEA-expressing tumors. (NCI04);