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    • 5. 发明申请
    • HOMOGENEOUS PREFORMULATIONS CONTAINING WIGH CONCENTRATIONS OF STEROIDS, FOR PRODUCING LOW-DOSE SOLID AND SEMI-SOLID PHARMACEUTICAL PREPARATIONS
    • 同质化,类固醇含高浓度预制剂用于制造低剂量固体和半固体药物制剂
    • WO1998026762A1
    • 1998-06-25
    • PCT/DE1997002915
    • 1997-12-15
    • JENAPHARM GMBH & CO. KGGRAWE, DetlefHÖSEL, PeterMÖLLMANN, PeterTIMPE, CarstenDITTGEN, MichaelMATTHEY, Klaus
    • JENAPHARM GMBH & CO. KG
    • A61K09/14
    • A61K31/569A61K9/1623A61K9/1676A61K31/567A61K31/575
    • The invention relates to homogeneous preformulations containing high concentrations of steroids, which are suitable for producing low-dose solid and semi-solid pharmaceutical preparations with a steroid concentration of between 0.001 and 1 weight percent. Said preformulations are obtained by evaporating the dispersing agent containing the steroidal active ingredient from a suspension containing the usual pharmaceutical additives. To this end, a spray mist is produced in which the average drop diameter is greater than the average diameter of the additive particles, and the maximum grain size of the dried particles of the steroidal preformulation is increased by less than 30 % in relation to the grain size of the additive. Said preformulations are characterised by their homogenity and resistance to demixing, whereby the steroidal active ingredient is finely dispersed and integrally bonded to the additive. Surprinsingly it was discovered that these types of steroidal preformulations, in comparison with conventional methods, can be processed without difficulty into low-dose pharmaceutical preparations with very good homogeneity and active ingredient stability. The method for producing homogeneous steroid preformulations for low-dose solid and semi-solid pharmaceutical preparations with a steroid concentration of between 0.001 and 1 weight percent stands out among other things by the fact that the active ingredient and additive particles from the atomized suspension are not dried one next to the other. The choice of processing conditions during atomization makes it possible for practically all the active ingredient to be bonded integrally to the additive.
    • 在高浓度的预制剂均匀的,含有类固醇的适于与按重量计为0.001的浓度含量到百分之1类固醇产生的低剂量固体和半固体的药物制剂。 它们是通过从一个交错的甾体包含活性物质的分散剂与药学上常用的赋形剂悬浮液的蒸发而获得,它产生的喷雾,其平均的液滴直径比赋形剂颗粒和含类固醇的预制剂的干燥颗粒的最大粒径的平均直径增加小于大 与的赋形剂增加粒度比较30%。 从,甾体活性成分存在于与辅助材料连接精细分散形式的含类固醇的预制剂的特征在于它们的均匀性和稳定性对分离。 已经令人惊讶地发现,这样的甾体预制剂可以很容易地加工成低剂量药物制剂具有非常好的,稳定的活性成分的均匀性与常规方法相比。 用于产生均匀的预制剂甾体与按重量计为0.001的浓度含量到百分之1类固醇的低剂量固体和半固体的药物制剂的方法,是可分辨尤其 其特征在于,将药物和赋形剂颗粒不会从悬浮液喷洒彼此相邻干燥。 通过将活性成分的喷雾过程中选择的工艺条件可以完全和物质被虚拟地结合到赋形剂。