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    • 2. 发明授权
    • Blood-pool imaging composition comprising micelles containing a
lipophilic chelating agent and a non-ionic surfactant
    • 包含含有亲脂性螯合剂和非离子表面活性剂的胶束的血池成像组合物
    • US5833948A
    • 1998-11-10
    • US663545
    • 1996-06-13
    • Herve TournierBernard LamyRoland Hyacinthe
    • Herve TournierBernard LamyRoland Hyacinthe
    • A61K49/00A61K49/18A61B5/055
    • A61K49/1806Y10S514/836Y10S514/937
    • The invention concerns NMR imaging contrast compositions comprising magnetically responsive species coupled to physiologically acceptable amphipatic organic substrate materials in the form of mixed micelles suspended or dispersed in a physiologically acceptable aqueous liquid carrier. The compositions are particularly useful for diagnostic investigations of the blood-pool. The invention also concerns the preparation of the mixed micelles, as well as of injectable compositions containing the mixed micelles as contrast agents for MRI purpose. Once injected, the mixed micelles of the compositions behave as imaging contrast enhancers, e.g. they will improve the quality and resolution of the electronically processed images obtained during MRI examinations of the circulation and/or circulation targeted organs. The compositions are formulated to protect the particles of the contrast agents from early removal by the reticulo-endothelial (RES) system of the liver and the spleen, so that they will stay in the circulation for a time sufficient to properly image the blood vessels and to be transported to selected organs. MRI imaging of the circulation and of targeted organs can strongly assist in diagnosing possible ailments in human and animal patients.
    • 本发明涉及包含悬浮或分散在生理上可接受的水性液体载体中的混合胶束形式的生理上可接受的两亲性有机底物材料的磁响应物质的NMR成像对比剂组合物。 该组合物特别适用于血液池的诊断研究。 本发明还涉及混合胶束的制备,以及含有混合胶束作为MRI目的的造影剂的可注射组合物。 一旦注射,组合物的混合胶束表现为成像对比增强剂,例如, 它们将提高在循环和/或循环目标器官的MRI检查期间获得的电子处理图像的质量和分辨率。 配制组合物以保护造影剂的颗粒免于肝脏和脾脏的网状内皮(RES)系统的早期去除,使得它们将停留在循环中足以适当地使血管成像的时间, 被运送到选定的器官。 循环和目标器官的MRI成像可以有力地帮助诊断人类和动物患者的可能的疾病。