"Approximately 1 hour"@en . "investigational"@en . "For imaging colorectal tumors"@en . "approved"@en . "# http://www.google.ca/patents/US8420081 # http://www.google.ca/patents/US7790142 # http://www.google.ca/patents/US8226949"@en . . . "Humans and other mammals"@en . "Reduced Fab fragment of the murine IgG1 monoclonal antibody IMMU-4 (also called NP-4) with specificity for carcinoembryonic antigen (CEA) covalently labeled with Technitium 99. The molecule has a molecular weight of ~54,000 Daltons."@en . . . . . . . "anti-Carcinoembryonic Antigen Monoclonal Antibody Fab' Fragment"@en . . "IMMU-4"@en . "Arcitumomab"@en . " "@en . "Binds selectively to cell-surface carcinoembryonic antigen (CEA) expressed on colorectal tumors."@en . "154361-48-5"@en . . . .