Method for drug loading in liposomes
    1.
    发明申请
    Method for drug loading in liposomes 审中-公开
    脂质体中药物负载的方法

    公开(公告)号:US20050129753A1

    公开(公告)日:2005-06-16

    申请号:US10988275

    申请日:2004-11-12

    CPC分类号: A61K9/127 A61K31/704

    摘要: A liposome composition having a protonatable therapeutic agent entrapped in the form of a salt with an glucuronate anion is disclosed. Methods for preparing the composition using an ammonium ion transmembrane gradient having glucuronate as the counterion are also disclsoed. In one embodiment where the protonatable agent is doxorubicin, the method of the invention has comparable loading efficiency, faster release rate, without compromising the therapeutic efficacy compared to loading with an ammonium ion gradient having sulfate as the counterion.

    摘要翻译: 公开了一种具有以葡萄糖醛酸盐阴离子盐形式包埋的可质子治疗剂的脂质体组合物。 使用具有葡萄糖醛酸盐作为抗衡离子的铵离子跨膜梯度制备组合物的方法也被揭示。 在可质子化剂是多柔比星的一个实施方案中,与用硫酸盐作为抗衡离子的铵离子梯度负载相比,本发明的方法具有相当的加载效率,更快的释放速率,而不会降低治疗功效。

    Liposomal Compositions of Glucocorticoid and Glucocorticoid Derivatives
    2.
    发明申请
    Liposomal Compositions of Glucocorticoid and Glucocorticoid Derivatives 有权
    糖皮质激素和糖皮质激素衍生物的脂质体组成

    公开(公告)号:US20080058294A1

    公开(公告)日:2008-03-06

    申请号:US11662172

    申请日:2005-09-11

    IPC分类号: A61K31/56 A61P43/00

    摘要: The present invention provides pharmaceutical compositions comprising a glucocorticoid or glucocorticoid derivative stably encapsulated in a liposome. The glucocorticoid or glucocorticoid derivative is selected from an amphipathic weak base glucocorticoid or glucocorticoid derivative having a pKa equal or below 11 and a logD at pH 7 in the range between −2.5 and 1.5; or an amphipathic weak acid GC or GC derivative having a pKa above 3.5 and a logD at pH 7 in the range between −2.5 and 1.5. The therapeutic effect of the pharmaceutical composition of the invention was exhibited in vivo with appropriate models of multiple sclerosis and cancer.

    摘要翻译: 本发明提供包含稳定包封在脂质体中的糖皮质激素或糖皮质激素衍生物的药物组合物。 糖皮质激素或糖皮质激素衍生物选自pKa等于或低于11的两亲性弱碱性糖皮质激素或糖皮质激素衍生物,在pH7的logD在-2.5和1.5之间的范围内; 或pKa高于3.5的两亲性弱酸GC或GC衍生物,pH7的logD在-2.5和1.5之间的范围内。 用适当的多发性硬化症和癌症模型在体内展示本发明的药物组合物的治疗效果。

    Lipsome/anthraquinone drug composition and method
    3.
    发明授权
    Lipsome/anthraquinone drug composition and method 失效
    Lipsome /蒽醌药物组合物及方法

    公开(公告)号:US4797285A

    公开(公告)日:1989-01-10

    申请号:US806084

    申请日:1985-12-06

    摘要: A drug/liposome composition comprising an aqueous suspension of liposomes and, entrapped in the lipid bilayer region of the liposomes, an anthraquinone drug containing quinone and hydroquinone functionalities on adjacent anthracene rings. An iron-specific trihydroxamic chelating agent contained in the bulk aqueous phase of the suspension and a lipophilic free-radical scavenger contained in the bilayer region of the liposome cooperate to reduce chemical modification of both drug and lipid components of the composition. A preferred composition containing doxorubicin and alpha-tocopherol entrapped in the liposomes, and ferrioxamine in the aqueous suspension phase is effective in treating human neoplasms, with significantly reduced side effects over those produced by free-drug administration.

    Liposome/doxorubicin composition and method
    4.
    发明授权
    Liposome/doxorubicin composition and method 失效
    脂质体/多柔比星组成及方法

    公开(公告)号:US4898735A

    公开(公告)日:1990-02-06

    申请号:US256844

    申请日:1988-10-12

    IPC分类号: A61K9/127

    摘要: A drug/liposome composition comprising an aqueous suspension of liposomes and, entrapped in the lipid bilayer region of the liposomes, an anthraquinone drug containing quinone and hydroquinone functionalities on adjacent anthracene rings. An iron-specific trihydroxamic chelating agent contained in the bulk aqueous phase of the suspension and a lipophilic free-radical scavenger contained in the bilayer region of the liposome cooperate to reduce chemical modification of both drug and lipid components of the composition. A preferred composition containing doxorubicin and alpha-tocopherol entrapped in the liposomes, and ferrioxamine in the aqueous suspension phase is effective in treating human neoplasms, with significantly reduced side effects over those produced by free-drug administration.

    摘要翻译: 一种药物/脂质体组合物,其包含脂质体的水性悬浮液,并且包埋在脂质体的脂质双层区域中,在相邻的蒽环上含有醌和氢醌官能团的蒽醌药物。 包含在悬浮液的本体水相中的铁特异性三羟肟酸螯合剂和包含在脂质体的双层区域中的亲脂性自由基清除剂配合以减少组合物的药物和脂质组分的化学修饰。 包含在脂质体中的多柔比星和α-生育酚的优选组合物和含水悬浮相中的铁草胺在治疗人类肿瘤方面是有效的,与通过游离药物给药产生的副作用相比显着降低。

    Liposome/anthraquinone drug composition and method
    5.
    发明授权
    Liposome/anthraquinone drug composition and method 失效
    脂质体/蒽醌药物组成及方法

    公开(公告)号:US5043166A

    公开(公告)日:1991-08-27

    申请号:US436469

    申请日:1989-11-14

    IPC分类号: A61K9/127

    CPC分类号: A61K31/70 A61K9/127

    摘要: A drug/liposome composition comprising an aqueous suspension of liposomes and, entrapped in the lipid bilayer region of the liposomes, an anthraquinone drug containing quinone and hydroquinone functionalities on adjacent anthracene rings. An iron-specific trihydroxamic chelating agent contained in the bulk aqueous phase of the suspension and a lipophilic free-radical scavenger contained in the bilayer region of the liposome cooperate to reduce chemical modification of both drug and lipid components of the composition. A preferred composition containing doxorubicin and alpha-tocopherol entrapped in the liposomes, and ferrioxamine in the aqueous suspension phase is effective in treating human neoplasms, with significantly reduced side effects over those produced by free-drug administration.

    摘要翻译: 一种药物/脂质体组合物,其包含脂质体的水性悬浮液,并且包埋在脂质体的脂质双层区域中,在相邻的蒽环上含有醌和氢醌官能团的蒽醌药物。 包含在悬浮液的本体水相中的铁特异性三羟肟酸螯合剂和包含在脂质体的双层区域中的亲脂性自由基清除剂配合以减少组合物的药物和脂质组分的化学修饰。 包含在脂质体中的多柔比星和α-生育酚的优选组合物和含水悬浮相中的铁草胺在治疗人类肿瘤方面是有效的,与通过游离药物给药产生的副作用相比显着降低。

    Method of lipid structure preparation
    7.
    发明授权
    Method of lipid structure preparation 有权
    脂质结构制备方法

    公开(公告)号:US07985417B2

    公开(公告)日:2011-07-26

    申请号:US11246340

    申请日:2005-10-07

    IPC分类号: A61K9/127

    摘要: A method of inserting a lipid-linked moiety into a lipid assembly, such as a planar lipid monolayer or bilayer, a spherical lipid vesicle, a micelle, or an emulsion envelope monolayer is described. In the method, the lipid assembly and the lipid-linked moiety are contacted in the presence of microwave irradiation to permit the lipid-linked moiety to become associated with the lipid assembly. In one embodiment, the lipid assembly is a liposome and the lipid-linked moiety is a lipid-polymer. Compositions comprised of a lipid layer and of a lipid-linked moiety, prepared in accord with the method, are also described.

    摘要翻译: 描述了将脂质连接的部分插入脂质组合物,例如平面脂质单层或双层,球形脂质囊泡,胶束或乳剂包膜单层中的方法。 在该方法中,脂质组装和脂质连接部分在微波照射的存在下接触以允许脂质连接部分与脂质组装相关联。 在一个实施方案中,脂质组合物是脂质体,脂质连接部分是脂质聚合物。 还描述了根据该方法制备的由脂质层和脂质连接部分组成的组合物。

    Liposomal vaccine
    10.
    发明申请
    Liposomal vaccine 审中-公开
    脂质体疫苗

    公开(公告)号:US20050169979A1

    公开(公告)日:2005-08-04

    申请号:US11036690

    申请日:2005-01-14

    摘要: The invention provides liposomal vehicles for encapsulating relatively high levels of immunogenic protein substances including immunogens directed against hormones and hormone receptors, such as gastrin and gonadotropin releasing hormone and their receptors. The liposome encapsulating large amounts of immunogens can be injected parenterally to induce effective immune responses without exhibiting significant adverse tissue reactogenicity. Methods for production of the liposomal vaccines and methods of their administration for treatment of diseases and conditions associated with the cognate hormones are also provided.

    摘要翻译: 本发明提供用于包封相对高水平的免疫原性蛋白质物质的脂质体载体,包括针对激素和激素受体的免疫原,例如胃泌素和促性腺激素释放激素及其受体。 包封大量免疫原的脂质体可以肠胃外注射以诱导有效的免疫应答,而不显示显着的不利组织反应原性。 还提供了用于生产脂质体疫苗的方法及其用于治疗与同类激素相关的疾病和病症的施用方法。