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    • 5. 发明申请
    • ENHANCED SCINTIGRAPHIC IMAGING AGENTS FOR IMAGING OF INFECTION AND INFLAMMATION
    • 用于成像感染和炎症的增强扫描成像剂
    • WO2004060409A1
    • 2004-07-22
    • PCT/EP2004/000051
    • 2004-01-07
    • SCHERING AGKrause, SabineManchanda, Rajesh
    • Krause, SabineManchanda, Rajesh
    • A61K51/08
    • A61K31/70A61K51/08A61K51/088Y02A50/473
    • The invention describes enhanced scintigraphic imaging agents that can be used to localize infection and inflammation in a mammal. Specifically, the invention relates to radiolabeled, preferably technetium-99m labeled scintigraphic imaging agents that are compositions of a polysulfated glycan or mixture thereof and a compound comprising a polybasic peptide covalently linked to a radiolabel binding moiety. Methods and kits for making such compositions, and methods for using such compositions to image sites of infection and inflammation in a mammalian body are also provided. The enhanced imaging agents exhibit improved binding affinity to the polysulfated glycans, better biodistribution and infection uptake, thus providing improved imaging results.
    • 本发明描述了可用于定位哺乳动物感染和炎症的增强的闪烁照相成像剂。 具体地,本发明涉及放射性标记的,优选锝-99m标记的闪烁照相成像剂,其是多硫酸化聚糖或其混合物的组合物,以及包含与放射性标记结合部分共价连接的多碱性肽的化合物。 还提供了用于制备这种组合物的方法和试剂盒,以及使用这些组合物来成像哺乳动物体内的感染和炎症部位的方法。 增强的成像剂显示出对多硫酸化聚糖的改善的结合亲和力,更好的生物分布和感染摄取,从而提供改进的成像结果。