New and improved compounds for use in diagnostic imaging or therapy having the formula M-N-O-P-G, wherein M is an optical label or a metal chelator (in the form complexed with a metal radionuclide or not), N-O-P is the linker, and G is the GRP receptor targeting peptide. Methods for imaging a patient and/or providing radiotherapy or phototherapy to a patient using the compounds of the invention are also provided. Methods and kits for preparing a diagnostic imaging agent from the compound is further provided. Methods and kits for preparing a radiotherapeutic agent is further provided.
用于诊断成像或治疗的新型改良化合物,其分子式为 M-N-O-P-G,其中 M 为光学标记或
金属
螯合剂(与
金属放射性核素络合与否),N-O-P 为连接体,G 为 GRP 受体靶向肽。还提供了使用本发明化合物为患者成像和/或为患者提供放疗或光疗的方法。还提供了用本发明化合物制备诊断成像剂的方法和试剂盒。还提供了制备放射治疗剂的方法和试剂盒。