Surface-active derivative of inulin (Inutec® SP1) is a superior carrier for solid dispersions with a high drug load.
Journal of Pharmaceutical Sciences(2011)
摘要
The aim of this study was to compare the applicability of inulin, its surface-active derivative (Inutec® SP1), and polyvinylpyrrolidone (PVP) as carriers in high drug load solid dispersions (SDs) for improving the dissolution rate of a range of lipophilic drugs (diazepam, fenofibrate, ritonavir, and efavirenz). The SDs were prepared by spray freeze-drying. Scanning electron microscopy showed that the obtained samples were highly porous spherical particles. Modulated differential scanning calorimetry showed that the drugs incorporated in these carriers were fully or partially amorphous. The solubility of the drugs in solutions of the different carriers was increased in an order: inulin 2.3kDa更多
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关键词
inulin,inulin derivative,Inutec® SP1,polyvinylpyrrolidone,surfactants,dissolution,amorphous,preformulation,solid dispersion,spray freeze-drying
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