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    • 2. 发明授权
    • Peptide compositions and method of radiolabeling
    • 肽组合物和放射性标记方法
    • US5804157A
    • 1998-09-08
    • US989434
    • 1997-12-12
    • Ananthachari SrinivasanMary Marmion DyszlewskiJoseph E. Bugaj
    • Ananthachari SrinivasanMary Marmion DyszlewskiJoseph E. Bugaj
    • A61K51/00A61K51/08A61P35/00C07K14/655A61M36/14
    • C07K14/6555A61K51/083A61K51/088
    • This invention relates to radiolabeled peptide compositions for radiopharmaceutical use and, more specifically, to radiolabeled peptides for diagnostic or therapeutic use having an unmodified carboxy terminal amino acid. The radiopharmaceutical composition may be used for targeting a selected biological site. The radiolabeled peptide is characterized by having its carboxy terminal amino acid in its carboxylic acid form and the peptide is coupled to a diagnostic or therapeutic radionuclide by a chelating agent. The radiopharmaceutical composition preferably comprises a radiolabeled peptide selected from the group consisting of somatostatin, an analog of somatostatin, a derivative of somatostatin and peptides capable of binding to the somatostatin receptor, where the peptide is coupled to a diagnostic or therapeutic radionuclide by a chelating agent has its carboxy terminal amino acid in its carboxylic acid form.
    • 本发明涉及用于放射性药物用途的放射性标记肽组合物,更具体地,涉及具有未修饰的羧基末端氨基酸的用于诊断或治疗用途的放射性标记肽。 放射性药物组合物可以用于靶向选定的生物部位。 放射性标记的肽的特征在于其羧基末端氨基酸为羧酸形式,肽通过螯合剂偶联至诊断或治疗放射性核素。 放射性药物组合物优选包含选自生长抑素,生长抑素类似物,生长抑素衍生物和能够结合生长抑素受体的肽的放射性标记的肽,其中肽通过螯合剂偶联至诊断或治疗放射性核素 其羧基末端氨基酸呈羧酸形式。