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    • 54. 发明公开
    • LIPOSOME COMPOSITION AND PRODUCTION METHOD THEREFOR
    • LIPOSOMZUSAMMENSETZUNG UND HERSTELLUNGSVERFAHRENDAFÜR
    • EP3138555A4
    • 2017-03-08
    • EP15785362
    • 2015-04-30
    • FUJIFILM CORP
    • ONO MAKOTOONO KOHEIMATSUMOTO TAKESHIMORI MIKINAGA
    • A61K9/127A61K47/24A61K47/28B01J13/02B01J13/20
    • A61K9/127A61K9/1278A61K31/7068A61K47/24A61K47/28B01J13/02B01J13/20
    • Provided are a liposome composition which has a practically required long-term preservation stability, and which has a release rate of a drug on the order of several tens of hours due to releasability of a drug being able to be suitably controlled by rendering an inner water phase hyper-osmotic; and a method for producing the same. According to the present invention, it is possible to provide a liposome composition, including liposomes each of which has an inner water phase and an aqueous solution which constitutes an outer water phase and in which the liposomes are dispersed, in which the content of cholesterols is 10 mol% to 35 mol% with respect to the total amount of lipid components in the liposome composition, and each of the liposomes encapsulates a drug in a dissolved state, and an osmotic pressure of the inner water phase is 2-fold to 8-fold relative to the osmotic pressure of the outer water phase.
    • 本发明提供一种脂质体组合物,其具有实用上所要求的长期保存稳定性,并且由于药物的释放性能够通过使内水发生适当控制而具有数十小时量级的药物释放速率 相超渗透; 及其制造方法。 根据本发明,可以提供一种脂质体组合物,其包含各自具有内部水相和构成外部水相的水溶液并且其中分散有脂质体的脂质体,其中胆固醇的含量为 相对于脂质体组合物中的脂质成分总量为10摩尔%〜35摩尔%,并且各脂质体以溶解状态包封药物,内部水相的渗透压为2倍至8倍, 相对于外部水相的渗透压而言是折叠的。