RT Journal Article SR Electronic T1 Panitumumab (Vectibix) JF American Journal of Neuroradiology JO Am. J. Neuroradiol. FD American Society of Neuroradiology SP 1002 OP 1003 DO 10.3174/ajnr.A2601 VO 32 IS 6 A1 Gemmete, J.J. A1 Mukherji, S.K. YR 2011 UL http://www.ajnr.org/content/32/6/1002.abstract AB Panitumumab (Vectibix), is a human monoclonal antibody EGFR antagonist indicated as a single agent for the treatment of metastatic colorectal carcinoma with disease progression on or following fluoropyrimidine, oxaliplatin, and irinotecan chemotherapy regimens. This article will present the mechanism of action as well as the clinical role for this monoclonal antibody. c-erbB-1EGFR geneEGFRepidermal growth factor receptorFDAUS Food and Drug AdministrationHERhuman epidermal growth factor receptorKRASKristen rat sarcoma viral oncogene homolog