edrecolomab edrecolomab edrecolomab (mab17-1a, trade name panorex) is a mouse-derived monoclonal antibody targeting the cell-surface glycoprotein epcam (17-1a), which is expressed on epithelial tissues and on various carcinomas. edrecolomabmonoclonal antibodytypewhole antibodysourcemousetargetepcam (17-1a)clinical datatrade namespanorexatc codel01fx01 (who) identifierscas number156586-89-9 ndrugbankdb13375 ychemspidernoneunii0kyi9u9fsj ny (what is this?) (verify) preliminary studies had shown promise of a possible use in patients with stage iii colorectal carcinoma (with metastasis to the lymph nodes). no effect has been demonstrated for stage ii (locally advanced cancer without spread to the lymph nodes) colon cancer. edrecolomab was well tolerated in these studies and as such research has now concentrated on whether it can be of any use in other forms of cancer.