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    • 5. 发明申请
    • RADIOPHARMACEUTICAL COMPOSITIONS CAPABLE OF LOCALIZING AT SITES OF THROMBUS
    • 放射性物质组合物可以在THROMBUS的位点定位
    • WO9747329A2
    • 1997-12-18
    • PCT/US9709292
    • 1997-06-05
    • SEARLE & COMALLINCKRODT MEDICAL INCFEIGEN LARRY PFLYNN DANIEL LEENEEDLEMAN PHILIPSRINIVASAN ANANTHACHARIZABLOCKI JEFFERY ALAN
    • FEIGEN LARRY PFLYNN DANIEL LEENEEDLEMAN PHILIPSRINIVASAN ANANTHACHARIZABLOCKI JEFFERY ALAN
    • A61K38/00A61K51/00A61K51/08C07K5/072A61K51/58
    • C07K5/06113A61K51/088A61K2121/00A61K2123/00
    • A radiopharmaceutical capable of localizing at a site of thrombus containing activated platelets within a mammalian body is provided wherein the radiopharmaceutical comprises a linear peptidomimetic containing ligand capable of specifically binding to the GPIIb/IIIa integrin receptor of platelets in the thrombus and a radionuclide covalently bound to the peptidomimetic containing ligand. The ligand compositions of the invention are provided complexed with a selected metal radionuclide to form a diagnostic or therapeutic radiopharmaceutical to image a site of thrombus or provide radiotherapy to the site of thrombus, respectively. Methods of imaging a site of thrombus in a mammalian body by administering a diagnostically effective amount of the radiopharmaceutical composition of this invention complexed with a selected diagnostic metal radionuclide and methods of providing therapy to a site of thrombus in a mammalian body by administering a therapeutically effective amount of the radiopharmaceutical composition of this invention complexed with a selected therapeutic metal radionuclide are also provided as well as kits for preparing such radiopharmaceutical compositions.
    • 提供能够定位在哺乳动物体内含有活化血小板的血栓部位的放射性药物,其中放射性药物包含能够特异性结合血栓中血小板的GPIIb / IIIa整联蛋白受体的线性拟肽含量配体和共价结合的放射性核素 含拟肽的配体。 提供本发明的配体组合物与所选择的金属放射性核素复合以形成诊断或治疗性放射性药物以分别对血栓位点成像或向血栓部位提供放射治疗。 通过施用诊断上有效量的本发明的放射性药物组合物与选定的诊断性金属放射性核素复合而在哺乳动物体内成像血栓位点的方法和通过施用治疗有效的方法向哺乳动物体内的血栓位点提供治疗 还提供了与选定的治疗性金属放射性核素复合的本发明的放射性药物组合物的量以及用于制备这种放射性药物组合物的试剂盒。
    • 8. 发明申请
    • METHODS FOR INCORPORATING METAL CHELATORS AT CARBOXYL-TERMINAL SITE OF PEPTIDES
    • 金属螯合剂在羧酸酯终端位置的方法
    • WO0152898A9
    • 2002-10-31
    • PCT/US0101640
    • 2001-01-18
    • MALLINCKRODT INCACHILEFU SAMUEL ISRINIVASAN ANANTHACHARI
    • ACHILEFU SAMUEL ISRINIVASAN ANANTHACHARI
    • A61K47/48A61K49/14A61K51/08
    • A61K49/085A61K47/62A61K49/14A61K51/083A61K51/088
    • Methods for incorporating metal chelators at carboxyl-terminal sites of peptides are presented. In a first method, a metal chelator which is a polyazacarboxylate with two free carboxyl groups is attached to a functionalized resin via one carboxyl group and to a diamine or orthogonally protected diamine via a second carboxyl group. The protecting group is removed and a sequence of amino acids is added to the diamine residue on solid support to form the desired peptide. After addition of the amino acid or peptide, the compound is cleaved from the resin and blocking groups are removed. In a second method, an orthogonally protected polyazacarboxylate with a free carboxyl and protected amine groups is reacted with a functionalized resin. The amine protecting group is removed and amino acids are added to obtain the desired peptide. The compound is then cleaved from the resin and blocking groups are removed. The cleavage from the resin and removal of blocking groups can be performed simultaneously.
    • 介绍了在肽的羧基末端位点掺入金属螯合剂的方法。 在第一种方法中,具有两个游离羧基的多偶氮羧酸盐的金属螯合剂通过一个羧基连接到官能化树脂上,并通过第二个羧基连接到二胺或正交保护的二胺上。 除去保护基,并将一系列氨基酸加入到固体支持物上的二胺残基中以形成所需的肽。 加入氨基酸或肽后,从树脂中切下化合物,除去封闭基团。 在第二种方法中,将具有游离羧基和被保护的胺基的正交保护的聚阿拉伯羧酸酯与官能化树脂反应。 除去胺保护基,并加入氨基酸以获得所需的肽。 然后将化合物从树脂上切下,除去封闭基团。 可以同时进行与树脂的切割和去除封闭基团。