Incorporation of cyclosporin A in solid lipid nanoparticles (SLN)

被引：119
|
作者：
Ugazio, E [1 ]
Cavalli, R [1 ]
Gasco, MR [1 ]
机构：
[1] Univ Turin, Dipartimento Sci & Tecnol Farmaco, I-10125 Turin, Italy
来源：
INTERNATIONAL JOURNAL OF PHARMACEUTICS | 2002年 / 241卷 / 02期
关键词：
cyclosporin A; solid lipid nanoparticles; colloidal carriers;
D O I：
10.1016/S0378-5173(02)00268-5
中图分类号：
R9 [药学];
学科分类号：
1007 ;
摘要：
The cyclic undecapeptide cyclosporin A (CyA) a potent immunosuppressive drug used in many therapies, is extremely hydrophobic. Commercial products employ solubilising agents to improve gastrointestinal absorption. In the present study CyA solid lipid nanoparticles (SLN) are prepared from warm o/w microemulsion. dispersed in cold water. The matrix chiefly consists of stearic acid. phospliatidylcholine and taurocholate LIP to 13% of CyA can be incorporated. The average diameter of CyA-loaded SLNs is below 300 rim and transmission electron microscopy (TEM) analysis shows them to be spherical. In vitro release of CyA from SLNs is low. CyA-loaded SLNs can be proposed for most administration routes. in particular for the duodenal route. (C) 2002 Elsevier Science B.V. All rights reserved.
引用
收藏
页码：341 / 344
页数：4
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