RADIOLABELLED PEPTIDE COMPOUNDS

摘要

2129033 9315770 PCTABS00024 The present invention relates to novel ligands and labelling techniques. The present invention further relates to a diagnostic composition suitable for administration to a warm-blooded animal comprising somatostatin or hirudin or a molecule capable of interacting with the somatostatin receptor or with the hirudin receptor labeled with a radionuclide by means of a chelate ligand capable of administration to an animal to produce reliable visual imaging of tumors or therapeutic effects on tumors and blood clots.