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    • 1. 发明申请
    • STABILIZATION OF RADIONUCLIDE-CONTAINING COMPOSITIONS
    • 含有放射性核素的组合物的稳定性
    • WO02092005A3
    • 2003-05-01
    • PCT/US0215360
    • 2002-05-16
    • BERLEX LABMANCHANDA RAJESH
    • MANCHANDA RAJESH
    • G21G4/08A61K51/00A61K51/04A61K51/08G01T1/161G01T1/164A61M36/14
    • A61K51/08A61K51/04
    • Described are methods for stabilizing radionuclide-containing compositions against degradation caused by free radicals generated from the radionuclide. Iodide ions stabilize the radionuclide-containing compositions by acting as scavengers to generated free radicals, thus, preventing or lessening degradation therefrom. Among the preferred radionuclide-containing compositions to be stabilized are complexes of a complexing agent with a radionuclide complexed therewith, such as a diagnostic agent having a specific binding peptide linked to a metal ion-complexing moiety which is complexed with a radionuclide, such as technetium-99m (Tc-99m). Also included in the invention are compositions of radionuclide-containing compounds or complexes with iodide or an iodide ion-providing component, compositions of compounds or complexing agents that will be associated with a radionuclide and kits containing any combination of radionuclides, radionuclide generators, complexing agents or compounds which are associated with or will be associated with radionuclides and iodide or iodide-providing components.
    • 描述了稳定含放射性核素的组合物抵抗由放射性核素产生的自由基引起的降解的方法。 碘离子通过作为清除剂产生自由基来稳定含放射性核素的组合物,从而防止或减轻其降解。 在要稳定的优选的含有放射性核素的组合物中,络合剂与与其络合的放射性核素的复合物,例如具有与放射性核素复合的金属离子络合部分连接的特异性结合肽的诊断剂,例如锝 -99m(Tc-99m)。 本发明还包括含有放射性核素的化合物或与碘化物或碘化物离子提供组分的络合物,将与放射性核素相关的化合物或络合剂的组合物和包含放射性核素,放射性核素发生剂,络合剂的任何组合的试剂盒 或与放射性核素和碘化物或碘化物提供组分相关或将会相关的化合物。