发明名称 |
MESALAZINE-BASE PHARMACEUTICAL COMPOSITION FOR ORAL ADMINISTRATION WITH SUSTAINED-RELEASE ACTIVE COMPONENT |
摘要 |
FIELD: medicine, pharmacy. ^ SUBSTANCE: invention relates to a pharmaceutical composition that comprises internal lipophilic matrix and external hydrophilic matrix in the mass ratio of lipophilic and hydrophilic matrices from 100:0.5 to 100:20. The internal lipophilic matrix consists of substances with melting point below 90oC and comprises at least partially an active component as globules. As an active component the composition comprises mesalazine - 5-aminosalicylic acid in the concentration up to 95 wt.-%. Lipophilic matrix is dispersed in external hydrophilic matrix. The composition can comprise optionally other excipients. Also, invention describes a method for preparing the composition. Invention provides sustained-release of mesalazine from first phases after administration and more homogenous pattern of release as compared with conventional systems. ^ EFFECT: improved properties of composition. ^ 11 cl, 5 ex |
申请公布号 |
RU2245148(C2) |
申请公布日期 |
2005.01.27 |
申请号 |
RU20020100365 |
申请日期 |
2000.06.08 |
申请人 |
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发明人 |
VILLA ROBERTO;PEDRANI MASSIMO;AJANI MAURO;FOSSATI LORENTSO |
分类号 |
A61K9/16;A61K9/20;A61K9/22;A61K9/26;A61K9/28;A61K9/32;A61K9/48;A61K9/52;A61K9/58;A61K31/606;A61K47/12;A61K47/14;A61K47/16;A61K47/28;A61K47/30;A61K47/32;A61K47/36;A61K47/38;A61K47/44;A61P1/00;A61P1/04 |
主分类号 |
A61K9/16 |
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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