发明名称 |
METHOD FOR STABILIZING ANTI-DEMENTIA DRUG |
摘要 |
<p>The present invention provides a method for stabilizing an anti-dementia drug in a pharmaceutical composition containing the anti-dementia drug and a high molecular weight basic substance by adding a high molecular weight acidic substance to said pharmaceutical composition. Further, the present invention provides a pharmaceutical composition containing an anti-dementia drug and a high molecular basic substance in which a high molecular weight acidic substance is contained for stabilizing the anti-dementia drug. Furthermore, the present invention provides a method for manufacturing a pharmaceutical composition which comprises steps wherein a solution or suspension containing a high molecular weight acidic substance is added to a mixture of an anti-dementia drug and a high molecular weight basic substance for the sake of stabilizing the anti-dementia drug.</p> |
申请公布号 |
EP1830886(A1) |
申请公布日期 |
2007.09.12 |
申请号 |
EP20050824466 |
申请日期 |
2005.12.27 |
申请人 |
EISAI R&D MANAGEMENT CO., LTD. |
发明人 |
UEKI, YOSUKE;SUZUKI, YASUYUKI;FUJIOKA, SATOSHI |
分类号 |
A61K47/30;A61K9/14;A61K9/22;A61K9/54;A61K31/445;A61K47/10;A61K47/26;A61K47/32 |
主分类号 |
A61K47/30 |
代理机构 |
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代理人 |
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主权项 |
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地址 |
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