Methods and compositions for enhancing magnetic resonance imaging
    1.
    发明授权
    Methods and compositions for enhancing magnetic resonance imaging 失效
    用于增强磁共振成像的方法和组合物

    公开(公告)号:US4826673A

    公开(公告)日:1989-05-02

    申请号:US689825

    申请日:1985-01-09

    摘要: The disclosure is directed to compounds of the formula: ##STR1## wherein n=0, 1, 2, 3 or 4, and R.sub.1 and R.sub.2 may be the sam e or different and are selected from the group consisting of hydrogen and lower alkyl and hydroxy lower alkyl groups containing between 1 and 6 carbon atoms. Complexes of iron(II), iron(III), manganese(II), manganese(III), gadolinium(III), chromium(III), cobalt(II), and nickel(II) and such compounds are useful for enhancing magnetic resonance images of body organs and tissues. Illustrative complexes include (N,N"-bis[N-(2,3-dihydroxypropyl) carbamoylmethyl]diethylenetriamine-N,N',N"-triaceto)-iron(III), (N,N"-bis[N-(2,3-dihydroxypropyl)carbamoylmethyl]diethylenetriamine-N,N',N"-triaceto)manganese(II), (N,N"-bis[N-(2,3-dihydroxypropyl) )carbamoylmethyl]diethylenetriamine-N,N',N"-triaceto)gadolinium(III) and (N,N'-bis[N-(2,3-dihydroxypropyl)-carbamoylmethyl]ethylenediamine-N,N'-diaceto)manganese(II).

    摘要翻译: 本公开涉及下式的化合物:其中n = 0,1,2,3或4,并且R 1和R 2可以是sam或不同的,并且选自氢和低级烷基, 含有1至6个碳原子的羟基低级烷基。 铁(II),铁(III),锰(II),锰(III),钆(III),铬(III),钴(II)和镍(II)等复合物可用于增强磁性 身体器官和组织的共振图像。 示例性配合物包括(N,N“ - 双[N-(2,3-二羟丙基)氨基甲酰甲基]二亚乙基三胺-N,N',N” - 三乙酰氧基) - 铁(III),(N,N“ [N-(2,3-二羟基丙基)氨基甲酰基甲基]二亚乙基三胺-N,N',N“ - 三乙酰)锰(II),(N,N” - 双[N-(2,3-二羟丙基) ]二亚乙基三胺-N,N',N“ - 三乙酰)钆(III)和(N,N'-双[N-(2,3-二羟基丙基) - 氨基甲酰基甲基]乙二胺-N,N' - 二乙酰)锰 II)。

    Chelating agents
    2.
    发明授权
    Chelating agents 失效
    螯合剂

    公开(公告)号:US5053503A

    公开(公告)日:1991-10-01

    申请号:US312767

    申请日:1989-02-17

    摘要: A bifunctional chelating agent for joining an antibody or antibody fragment and a metallic radionuclide is disclosed. The agent consists of a derivative of 1,4,7,10-tetraazacyclododecane-1,4,7-triacetic acid or a 1,4,7,10-tetraazacyclododecane-1,4,7,10-tetraacetic acid, an organic linking radical which optionally contains a cleavable group, and a function capable of reacting with a site on a protein. Radiodiagnostic or radiotherapeutic precursors comprising an antibody or antibody fragment and the above-described bifunctional chelating agent and radiodiagnostic or radiotherapeutic agent comprising a metallic radionuclide and the above mentioned precursor are also disclosed.

    摘要翻译: 公开了用于连接抗体或抗体片段和金属放射性核素的双功能螯合剂。 该试剂由1,4,7,10-四氮杂环十二烷-1,4,7-三乙酸或1,4,7,10-四氮杂环十二烷-1,4,7,10-四乙酸的衍生物,有机 任选地含有可切割基团的连接基团和能够与蛋白质上的位点反应的功能。 还公开了包含抗体或抗体片段的放射性诊断或放射治疗前体和上述双功能螯合剂和包含金属放射性核素和上述前体的放射性诊断或放射治疗剂。

    Bifunctional coupling agents and radionuclide labeled compositions
prepared therefrom
    3.
    发明授权
    Bifunctional coupling agents and radionuclide labeled compositions prepared therefrom 失效
    双功能耦合剂和放射性核素标记组合物

    公开(公告)号:US5218128A

    公开(公告)日:1993-06-08

    申请号:US207261

    申请日:1988-06-15

    摘要: A bifunctional coupling agent for joining a sulfhydryl-containing protein or peptide and a metallic radionuclide comprising a sulfhydryl selective electrophile, a chelator containing at least one protected thiol and a organic linking radical which serves to join said electrophile and said chelator is disclosed. A radiodiagnostic precursor comprising an antibody or antibody fragment and the specified bifunctional coupling agent bound to a sulfhydryl group on the antibody or antibody fragment is also disclosed.

    摘要翻译: 公开了一种用于连接含巯基的蛋白质或肽和包含巯基选择性亲电子试剂的金属放射性核素的双功能偶联剂,含有至少一种被保护的硫醇的螯合剂和用于加入所述亲电子试剂和所述螯合剂的有机连接基团。 还公开了包含抗体或抗体片段和与抗体或抗体片段上的巯基结合的特定双功能偶联剂的放射诊断前体。

    Cleavable bifunctional coupling agents
    4.
    发明授权
    Cleavable bifunctional coupling agents 失效
    可切换双功能偶联剂

    公开(公告)号:US5144043A

    公开(公告)日:1992-09-01

    申请号:US235999

    申请日:1988-08-24

    IPC分类号: A61K51/10 C07C327/32

    摘要: A bifunctional coupling agent for joining a sulfhydryl containing protein or peptide and a metallic radionuclide comprising a sulfhydryl selective electrophile, a chelator containing at least one protected thiol and a organic linking radical containing at least one cleavable site which serves to join said electrophile and said chelator is disclosed. A radiodiagnostic or radiotherapeutic precursor comprising an antibody or antibody fragment and the specified bifunctional coupling agent bound to a sulfhydryl group on the antibody or antibody fragment and a radiodiagnostic or radiotherapeutic agent comprising such precursor having a metallic radionuclide bound thereto are also disclosed.

    摘要翻译: 一种用于连接含巯基的蛋白质或肽和包含巯基选择性亲电子试剂的金属放射性核素的双功能偶联剂,含有至少一种保护的硫醇的螯合剂和含有至少一个可切割位点的有机连接基团,其用于将所述亲电试剂和所述螯合剂 被披露。 还公开了包含抗体或抗体片段的抗放射治疗或放射治疗前体,以及与抗体或抗体片段上的巯基结合的特定的双功能偶联剂和包含与其结合的金属放射性核素的前体的放射诊断或放射治疗剂。

    Technetium-99m labeled peptides for imaging
    5.
    发明授权
    Technetium-99m labeled peptides for imaging 失效
    锝-99m标记肽成像

    公开(公告)号:US06667389B1

    公开(公告)日:2003-12-23

    申请号:US08889212

    申请日:1997-07-08

    IPC分类号: A61K5108

    摘要: This invention relates to radiolabeled peptides and methods for producing such peptides. Specifically, the invention relates to peptides, methods and kits for making such peptides, and methods for using such peptides to image sites in a mammalian body labeled with technetium-99m (Tc-99m) via (Tc-99m) binding moieties. In particular, the peptide reagents of the invention are covalently linked to a polyvalent linker moiety, so that the polyvalent linker moiety is covalently linked to a multiplicity of the specific-binding peptides, and the Tc-99m binding moieties are covalently linked to a plurality of the specific-binding peptides, the polyvalent linker moiety, or to both the specific-binding peptides and the polyvalent linker moiety.

    摘要翻译: 本发明涉及放射性标记的肽及其生产方法。 具体地说,本发明涉及用于制备这些肽的肽,方法和试剂盒,以及使用这些肽在通过(Tc-99m)结合部分用锝-99m(Tc-99m)标记的哺乳动物体中成像位点的方法。 特别地,本发明的肽试剂与多价接头部分共价连接,使得多价接头部分与多种特异性结合肽共价连接,并且Tc-99m结合部分共价连接至多个 的特异性结合肽,多价连接体部分或特异性结合肽和多价连接体部分。

    Calcitonin receptor binding reagents
    6.
    发明授权
    Calcitonin receptor binding reagents 失效
    降钙素受体结合试剂

    公开(公告)号:US06479032B1

    公开(公告)日:2002-11-12

    申请号:US09553493

    申请日:2000-04-20

    IPC分类号: A61K5100

    CPC分类号: C07K14/585 A61K38/00

    摘要: This invention relates to calcitonin receptor binding reagents comprising compounds which are covalently linked to a radiometal chelator. The invention is embodied as calcitonin receptor binding peptide derivatives and analogues of calcitonin which may be radiolabeled with a suitable isotope and used as radiodiagnostic or radiotherapeutic agents. Methods and kits for making, radiolabeling and using such reagents diagnostically and therapeutically in a mammalian body are also provided.

    摘要翻译: 本发明涉及包含与放射性金属螯合剂共价连接的化合物的降钙素受体结合试剂。 本发明体现为降钙素受体结合肽衍生物和降钙素类似物,其可以用合适的同位素放射标记并用作放射诊断或放射治疗剂。 还提供了用于在哺乳动物身体中诊断和治疗地制备,放射性标记和使用这些试剂的方法和试剂盒。