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    • 7. 发明申请
    • METHODS AND COMPOSITIONS FOR CELLULAR DRUG RELEASE
    • 细胞毒素释放的方法和组合物
    • US20130164335A1
    • 2013-06-27
    • US13338073
    • 2011-12-27
    • Cheng CHENFeng-Huei Lin
    • Cheng CHENFeng-Huei Lin
    • A61K9/14C12N5/071C12N5/0787C12N5/0786A61K47/02A61P25/24A61K47/40A61K47/44A61K47/24C12N5/0784B82Y5/00
    • A61K31/5513A61K9/0019A61K9/5115A61K9/5123A61K9/5138
    • Methods and compositions for producing a cellular drug release are disclosed. The method comprises: a) providing a composition comprising a therapeutically effective amount of a pharmacological agent adsorbed onto mesoporous hydroxyapatite (HAP) with hydrophobic surfaces; b) exposing the composition to a cell; c) causing entry of the mesoporous HAP into the cell and degradation of the HAP in the lysosomes of the cell and desorption of the agent from the mesoporous HAP; d) causing release of the desorbed agent from the lysosomes into the cytoplasm of the cell; and e) causing release of the desorbed agent to outside the cell. The composition comprises a) mesoporous HAP with hydrophobic surfaces; and b) a therapeutically effective amount of a pharmacological agent, adsorbed onto the hydrophobic surfaces of the mesoporous. HAP. The composition is characterized in that it constantly releases the agent in vivo for a period of at least 4 weeks.
    • 公开了用于产生细胞药物释放物的方法和组合物。 该方法包括:a)提供包含治疗有效量的吸附在具有疏水表面的介孔羟基磷灰石(HAP)上的药理学试剂的组合物; b)将组合物暴露于细胞; c)导致介孔HAP进入细胞并且细胞溶酶体中HAP的降解和药物从介孔HAP中的解吸; d)使解吸剂从溶酶体释放到细胞的细胞质中; 和e)引起解吸剂释放到细胞外。 该组合物包含a)具有疏水表面的中孔HAP; 和b)吸附在介孔的疏水表面上的治疗有效量的药理学试剂。 HAP。 该组合物的特征在于其在体内不断释放至少4周的时间。