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    • 3. 发明授权
    • Extended release venlafaxine tablet formulation
    • 延长释放文拉法辛片剂
    • US08105627B2
    • 2012-01-31
    • US10555310
    • 2003-12-11
    • Sima VolpertAvi Avramoff
    • Sima VolpertAvi Avramoff
    • A61K9/28
    • A61K9/2866A61K9/2054A61K31/137
    • An extended release formulation for administration of venlafaxine in an oral tablet dosage form. The formulation preferably features a core, over which an outer coating is layered. The core preferably contains venlafaxine, a filler, and a water soluble cellulosic polymer, optionally and more preferably with a water insoluble cellulosic polymer. The core is preferably coated with a coating material. The coating preferably contains a mixture of water soluble cellulosic polymer and a water insoluble cellulosic polymer. According to a first embodiment of the present invention, the filler is preferably present in an amount of at least about 40% weight per weight of the total formulation. More preferably, the filler comprises microcrystalline cellulose. Most preferably, the filler solely comprises microcrystalline cellulose. Also most preferably, microcrystalline cellulose is present in the core in a range of from about 45% to about 65% weight per weight of the total formulation.
    • 用于口服片剂剂型中文拉法辛的延长释放制剂。 制剂优选具有芯,其上层叠有外涂层。 核心优选含有文拉法辛,填充剂和水溶性纤维素聚合物,任选且更优选含有水不溶性纤维素聚合物。 芯优选用涂料涂覆。 涂层优选含有水溶性纤维素聚合物和水不溶性纤维素聚合物的混合物。 根据本发明的第一个实施方案,填料优选以总制剂重量至少约40重量%的量存在。 更优选地,填料包括微晶纤维素。 最优选地,填料仅包含微晶纤维素。 最优选地,微晶纤维素以总配方重量的约45重量%至约65重量%存在于芯中。
    • 9. 发明申请
    • Extended release venlafaxine tablet formulation
    • 延长释放文拉法辛片剂
    • US20070082049A1
    • 2007-04-12
    • US10555310
    • 2003-12-11
    • Sima VolpertAvi Avramoff
    • Sima VolpertAvi Avramoff
    • A61K9/22
    • A61K9/2866A61K9/2054A61K31/137
    • An extended release formulation for administration of venlafaxine in an oral tablet dosage form. The formulation preferably features a core, over which an outer coating is layered. The core preferably contains venlafaxine, a filler, and a water soluble cellulosic polymer, optionally and more preferably with a water insoluble cellulosic polymer. The core is preferably coated with a coating material. The coating preferably contains a mixture of water soluble cellulosic polymer and a water insoluble cellulosic polymer. According to a first embodiment of the present invention, the filler is preferably present in an amount of at least about 40% weight per weight of the total formulation. More preferably, the filler comprises microcrystalline cellulose. Most preferably, the filler solely comprises microcrystalline cellulose. Also most preferably, microcrystalline cellulose is present in the core in a range of from about 45% to about 65% weight per weight of the total formulation.
    • 用于口服片剂剂型中文拉法辛的延长释放制剂。 制剂优选具有芯,其上层叠有外涂层。 核心优选含有文拉法辛,填充剂和水溶性纤维素聚合物,任选且更优选含有水不溶性纤维素聚合物。 芯优选用涂料涂覆。 涂层优选含有水溶性纤维素聚合物和水不溶性纤维素聚合物的混合物。 根据本发明的第一个实施方案,填料优选以总制剂重量至少约40重量%的量存在。 更优选地,填料包括微晶纤维素。 最优选地,填料仅包含微晶纤维素。 最优选地,微晶纤维素以总配方重量的约45重量%至约65重量%存在于芯中。