伊曲康唑自乳化释药系统的处方研究

Ying CHEN, Qing-ling ZHENG,Hong LIU,Hua-wen XIN

Chinese Pharmaceutical Journal(2008)

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Abstract
目的 研究伊曲康唑自乳化给药系统(ITZ-SEDDS)的处方工艺.方法 通过溶解度实验、处方配伍和伪三相图的绘制,以自乳化时间、色泽和粒径的大小为指标,筛选油相、表面活性刺、助表面活性剂的最佳搭配和处方配比.并对ITZ-SEDDS的理化性质和体外溶出度进行了测定.结果 伊曲康唑自乳化最终优化处方为:Maisine 35-1-Cremophor EL-Transcutol P=25:30:45.ITZ-SEDDS的粒径为162.5 nm,自乳化时间<1 min,ITZ-SEDDS在人工肠液中2 h累积溶出百分率为90.9%,是原药(0.52%)的174.8倍,市售胶囊(10.1%)的9.0倍.结论 所制备的ITZ-SEDDS达到了设计要求,为ITZ的新制剂开发提供了实验依据.
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Key words
Dissolution in vitro,Formulation design,Itraconazole,Self-emulsifying drug delivery system
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