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NCI Drug Dictionary

  

fluorine F 18 RGD-K5 
A radiotracer composed of a cyclic triazole-containing the Arg-Gly-Asp (RGD) peptide (RGD-K5) radiolabeled with fluorine F 18, with potential alphaVbeta3 integrin imaging activity upon positron emission topography (PET). Upon administration, the RGD moiety of fluorine F 18 RGD-K5 selectively binds to alphaVbeta3 integrin. During PET, alphaVbeta3-expressing tumor cells can be visualized and the degree of tumor angiogenesis can be determined. AlphaVbeta3 integrin, a cell adhesion and signaling receptor, is upregulated in tumor vessel endothelial cells and has been associated with neovascularization, differentiation, proliferation of tumor cells, and metastasis. Check for active clinical trials or closed clinical trials using this agent. (NCI Thesaurus)
Abbreviation:F18 RGD-K5