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    • 2. 发明申请
    • Parenterally administrable microparticles
    • 肠胃外给药的微粒
    • US20070122484A1
    • 2007-05-31
    • US11644514
    • 2006-12-22
    • Monica JonssonTimo LaaksoMats Reslow
    • Monica JonssonTimo LaaksoMats Reslow
    • A61K31/718A61K9/14
    • A61K9/5031A61K9/5089
    • A process for producing microparticles containing biologically active substance, in which process an aqueous solution of the said substance is prepared, this solution is mixed with an aqueous solution of PEG such that the substance is concentrated and/or solidified, the substance is optionally washed, the substance is mixed with an aqueous starch solution, the composition obtained is mixed, after the admixture of the starch solution, with a polymer solution, thereby forming an emulsion of starch droplets in the polymer solution, the starch droplets are solidified into microparticles, the microparticles are dried and a release-controlling shell is optionally applied to these. Novel microparticles which are obtainable by means of this process.
    • 一种制备含有生物活性物质的微粒的方法,其中制备所述物质的水溶液,将该溶液与PEG的水溶液混合,使得物质被浓缩和/或固化,物质任选地被洗涤, 将该物质与淀粉水溶液混合,将得到的组合物在淀粉溶液混合后与聚合物溶液混合,由此在聚合物溶液中形成淀粉液滴的乳液,淀粉液滴固化成微粒, 将微粒干燥,并且任选地将这些释放控制壳施加于其上。 通过该方法可获得的新型微粒。