发明名称 Neramexane multiple unit dosage form
摘要 Unit comprising neramexane, a pharmaceutically acceptable salt, solvate, conjugate, prodrug, polymorphic form, isomer, or derivative thereof; and a release-controlling excipient; wherein said unit has a diameter of from 0.1 to less than 6 mm.
申请公布号 US8980318(B2) 申请公布日期 2015.03.17
申请号 US201113806255 申请日期 2011.06.22
申请人 Merz Pharma GmbH & Co. KGaA 发明人 Hauptmeier Bernhard;Purmann Brigitte
分类号 A61K9/24;A61K9/20;A61K9/28;A61K9/36;A61K31/13;A61K9/50 主分类号 A61K9/24
代理机构 Hueschen and Sage 代理人 Hueschen and Sage
主权项 1. A unit comprising neramexane, a pharmaceutically acceptable salt, solvate, conjugate, prodrug, polymorphic form, isomer, or derivative thereof; and at least one release-controlling excipient; wherein the unit has a diameter of from 0.1 to less than 6 mm, wherein the unit comprises a solid matrix comprising neramexane, a pharmaceutically acceptable salt, solvate, conjugate, prodrug, polymorphic form, isomer, or derivative thereof embedded or dispersed in the solid matrix; wherein the solid matrix is coated with the at least one release-controlling excipient; and wherein the at least one release-controlling excipient used for the coating comprises at least one first release-controlling excipient which is a non-ionic poly(meth)acrylate ester, and at least one second release-controlling excipient, which is hydroxypropylmethylcellulose, wherein the weight ratio of the at least one first release-controlling excipient to the at least one second release-controlling excipient is in the range of from 20:1 to 1:1:1 and the weight of the at least one first release-controlling excipient ranges from 2 to 25% based on the total weight of the unit.
地址 Frankfurt am Main DE