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    • 91. 发明授权
    • Method of preparing biologically active formulations
    • 制备生物活性制剂的方法
    • US09107804B2
    • 2015-08-18
    • US10728196
    • 2003-12-04
    • Orapin P. RubinoDavid M. JonesPeter FankhauserArmin PraschKarola Bretschneider
    • Orapin P. RubinoDavid M. JonesFrank BretschneiderPeter FankhauserArmin Prasch
    • A61K9/16A61J3/02
    • A61K9/1652A61J3/02A61K9/1605A61K9/1635A61K9/4825A61K31/192A61K31/4402
    • The invention provides pellet for use as a core for a pharmaceutical dosage form having an inner and an outer zone where the inner zone includes a biologically active agent and said outer zone includes a layer formed by applying a substantially dry, free flowing inert powder which forms a non-tacky surface when placed in contact with water. The invention also provides a process for making pharmaceutical pellets where the core or at least one a layer on the core is formed by (a) contacting powder particles, adhering them to each other and compacting the adhered pellets by a rolling movement, wherein the degree of densification is controlled by the rolling movement; and (b) feeding a sufficient amount of a substantially dry, free flowing inert powder which forms a non-tacky surface when placed in contact with water to provide on said particles an outer zone including a layer formed from said substantially dry, free flowing inert powder.
    • 本发明提供用作药物剂型的核心的丸剂,其具有内部区域和外部区域,其中内部区域包括生物活性剂,所述外部区域包括通过施加基本上干燥的自由流动的惰性粉末形成的层,其形成 当与水接触时是非粘性表面。 本发明还提供一种制备药丸的方法,其中通过(a)使粉末颗粒彼此粘合并通过滚动运动使粘附的颗粒彼此粘合,从而形成芯或芯上至少一个层,其中度 的致密化由滚动运动控制; 和(b)当放置与水接触时,供给足够量的基本干燥,自由流动的惰性粉末,其形成非粘性表面,以在所述颗粒上提供包含由所述基本上干燥,自由流动的惰性物质形成的层的外部区域 粉末。