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    • 53. 发明授权
    • Coated pharmaceutical or nutraceutical preparation with enhanced pulsed active substance release
    • 具有增强脉冲活性物质释放的涂层药物或营养制剂
    • US09011907B2
    • 2015-04-21
    • US12742945
    • 2008-02-01
    • Hema RavishankarShradda BodingeHans-Ulrich Petereit
    • Hema RavishankarShradda BodingeHans-Ulrich Petereit
    • A61K9/64A61K9/20A61K9/50
    • A61K9/5078A61K9/2081
    • The present invention relates to a pharmaceutical or nutraceutical preparation comprising a) a core containing a pharmaceutically or nutraceutically active substance and a substance that acts in a modulatory manner with regard of the release of pharmaceutically or nutraceutically active substances; and b) a controlling layer surrounding the core comprising i) 55 to 92% by weight based on the total weight of (meth)acrylic copolymers present in the layer of one or a mixture of a plurality of (meth)acrylate copolymers composed of 80 to 98% by weight based on the weight of the (meth)acrylic copolymer of structural units derived from C1 to C4 alkyl esters of (meth)acrylic acid and 2 to 20% by weight based on the weight of the (meth)acrylic copolymer of structural units derived from (meth)acrylate monomers with a quaternary ammonium group in the alkyl radical; and ii) 8 to 45% by weight based on the total weight of (meth)acrylic copolymers present in the layer of one or a mixture of a plurality of (meth)acrylate copolymers composed of more than 5 to 59% by weight based on the weight of the copolymer of structural units derived from acrylic acid or methacrylic acid and to tablets or capsules comprising same.
    • 本发明涉及一种药物或营养制剂,其包含a)含有药学上或营养活性物质的核心和在释放药学或营养活性物质方面以调节方式起作用的物质; 和b)围绕芯的控制层,其包含i)55至92重量%,基于存在于由80重量份组成的多个(甲基)丙烯酸酯共聚物的一种或多种混合物的层中的(甲基)丙烯酸共聚物的总重量 至(甲基)丙烯酸共聚物的重量比为基于(甲基)丙烯酸的C1至C4烷基酯的结构单元的(甲基)丙烯酸共聚物的重量计为98重量%,以及(甲基)丙烯酸共聚物的重量为2至20重量% 衍生自烷基中具有季铵基团的(甲基)丙烯酸酯单体的结构单元; 和ii)8至45重量%,基于存在于由多于5至59重量%组成的多个(甲基)丙烯酸酯共聚物的一种或多种的(甲基)丙烯酸酯共聚物的层中的(甲基)丙烯酸共聚物的总重量) 衍生自丙烯酸或甲基丙烯酸的结构单元的共聚物与包含其的片剂或胶囊的重量。
    • 58. 发明申请
    • Multiparticulate Pharmaceutical form Comprising Pellets with a Substance Having a Modular Effect in Relation to Active Ingredient Release
    • 包含颗粒与具有与活性成分释放有关的模块效应的物质的多颗粒药物形式
    • US20080220080A1
    • 2008-09-11
    • US11816372
    • 2006-03-03
    • Hans-Ulrich PetereitRosario LizioHema RavishankarAshwini Samel
    • Hans-Ulrich PetereitRosario LizioHema RavishankarAshwini Samel
    • A61K9/14A61K31/135
    • A61K9/209A61K9/2886A61K9/5026A61K9/5078
    • The invention relates to a multiparticulate pharmaceutical form, comprising pellets with a multilayer structure for controlled active ingredient release, comprising a) a core layer comprising a substance having a modulating effect, b) an inner controlling layer which influences the delivery of the substance having a modulating effect, consisting of pharmaceutically usable polymers, waxes, resins and/or proteins, c) an active ingredient layer comprising an active pharmaceutical ingredient and, where appropriate, a substance having a modulating effect, d) an outer controlling layer comprising at least 60% by weight of one or a mixture of a plurality of (meth)acrylate copolymers where the layers may additionally and in a manner known per se comprise pharmaceutically usual excipients, where the outer controlling layer d) has a thickness from 20 to less than 55 μm and contains 0.1 to 10% by weight of glycerol monostearate, where the multiparticulate pharmaceutical form contains 20 to 60% by weight of the pellets, which are compressed in mixture with 80 to 40% by weight of an outer phase which consists from 50 to 100% by weight of a cellulose or a derivate of cellulose and optionally 0 to 50% by weight of further pharmaceutical excipients.
    • 本发明涉及一种多颗粒药物形式,其包含具有用于受控活性成分释放的多层结构的颗粒,其包含a)包含具有调节作用的物质的芯层,b)影响具有 调节作用,由药学上可用的聚合物,蜡,树脂和/或蛋白质组成,c)活性成分层,其包含活性药物成分和适当时具有调节作用的物质,d)外部控制层,其包含至少60 重量%的一种或多种(甲基)丙烯酸酯共聚物的混合物,其中层可以另外地以本身已知的方式包含药学上通常的赋形剂,其中外部控制层d)的厚度为20至小于55 并含有0.1至10重量%的单硬脂酸甘油酯,其中多颗粒药物形式含有20至60%的b 的颗粒重量,其与80至40重量%的外相以80至40重量%的混合物压缩,所述外相由50至100重量%的纤维素或纤维素衍生物和任选的0至50重量%的进一步的药物 赋形剂。
    • 59. 发明申请
    • Use of a Partially Neutralized, Anionic (Meth)Acrylate Copolymer as a Coating for the Production of a Medicament Releasing Active Substance at Reduced Ph Values
    • 使用部分中和的阴离子(甲基)丙烯酸酯共聚物作为用于生产降低Ph值的药物释放活性物质的涂层
    • US20080200482A1
    • 2008-08-21
    • US11994440
    • 2006-04-05
    • Hans-Ulrich PetereitManfred Assmus
    • Hans-Ulrich PetereitManfred Assmus
    • A61K31/522
    • A61K9/5026A61K9/2081A61K9/2846
    • (EN) The invention relates to the use of a partially neutralized, anionic (meth)acrylate copolymer comprising radically polymerized units of 25 to 95 percent by weight of C1 to C4 alkyl esters of acrylic or methacrylic acid and 5 to 75 percent by weight of (meth)acrylate monomers with an anionic group, at least 4 percent of which are neutralized by means of a base, for producing a medicament that is provided with an active substance-containing core and is coated with the partially neutralized, anionic (meth)acrylate copolymer. Said medicament releases at least 30 percent of the active substance contained therein in 30 minutes at a pH at which the active substance is sufficiently soluble and stable and at which the corresponding medicament that is coated with the non-neutralized anionic (meth)acrylate polymer releases less than 10 percent of the active substance contained therein.
    • (EN)本发明涉及部分中和的阴离子(甲基)丙烯酸酯共聚物的用途,其包括25至95重量%的C 1至C 4的自由基聚合单元 丙烯酸或甲基丙烯酸的烷基酯和5至75重量%的具有阴离子基团的(甲基)丙烯酸酯单体,其中至少4%通过碱中和,用于生产具有活性物质的药物 并含有部分中和的阴离子(甲基)丙烯酸酯共聚物。 所述药物在活性物质足够可溶和稳定的pH下在30分钟内释放其中所含活性物质的至少30%,其中涂覆有未中和的阴离子(甲基)丙烯酸酯聚合物的相应药物释放 少于其中含有的活性物质的10%。