RIGScan CR: RIGScan CR49

Drugs in R&D

Abstract

RIGScan CR49, a 125I-labelled CR monoclonal antibody directed against the tumour-associated antigen TAG-72, is undergoing development with Neoprobe for the intraoperative detection of metastatic colorectal cancer. The Neoprobe's proprietary RIGS (radioimmunoguided surgery) technology combines an injectable radiolabelled cancer-targeting agent and hand-held radiation detection probe that emits an audible tone when located tissue has accumulated a significant amount of the radioactive agent. Neoprobe's RIGS technology also includes a patented surgical method providing surgeons with real-time information to locate tumour deposits that can not be detected by other conventional methods. The RIGS technology has been evaluated in late clinical studies for the detection of adenocarcinomas including primary colorectal, gastrointestinal, breast, ovarian, pancreatic, prostate and neuroendocrine/endocrine. Neoprobe signed an option agreement for its first-generation RIGScan compound, RIGScan CR, with OncoSurg Inc. (formerly NuRigs Ltd). The second-generation humanised RIGScan CR agent was also optionally licensed to OncoSurg Inc. In 1997, Neoprobe filed for approval with the US FDA and the EMEA for RIGScan CR for the intraoperative detecti...Continue Reading

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