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    • 4. 发明申请
    • TC AND RE LABELER RADIOACTIVE GLYCOSYLATED OCTREOTIDE DERIVATIVES
    • TC和RE标签放射性糖苷化衍生物
    • WO2002085418A2
    • 2002-10-31
    • PCT/US2002/012565
    • 2002-04-23
    • MALLINCKRODT INC.WESTER, Hans-JurgenSCHOTTELIUS, MargretSCHWAIGER, Markus
    • WESTER, Hans-JurgenSCHOTTELIUS, MargretSCHWAIGER, Markus
    • A61K51/08
    • A61K51/088A61K51/083
    • Improved sst-receptor binding peptidic ligands for diagnostic and therapeutic applications in nuclear medicine are provided. The improved ligands contain either natural or unnatural amino acids or peptidomimetic structures that are modified at either the N-terminal or the C-terminal end or at both termini, a carbohydrate unit and a chelator or prosthetic group to provide a complexation of a radioisotope binding or holding the radioisotope. The sst- or SSTR- receptor binding peptidic ligands may also contain one or more multifunctional linker units optionally coupling the peptide, and/or the sugar moiety and/or the chelator and/or the prosthetic group. Upon administering the ligand to a mammal through the blood system the ligand provides improved availability, clearance kinetics, sst-receptor targeting and internalization over the non-carbohydrated ligands.
    • 提供了用于核医学诊断和治疗应用的改善的sst-受体结合肽配体。 改进的配体含有天然或非天然氨基酸或在N-末端或C-末端或两末端修饰的拟肽结构,碳水化合物单元和螯合剂或修饰基团以提供放射性同位素结合的络合 或持有放射性同位素。 Sst-或SSTR-受体结合肽配体还可以含有一个或多个任选地连接肽和/或糖部分和/或螯合剂和/或假体基团的多官能连接基团。 通过血液系统向哺乳动物施用配体时,配体提供了非碳水化合物配体上改善的可用性,清除动力学,sst受体靶向和内化。