首页|对于一种治疗高脂血症的双载药控释系统的研究

对于一种治疗高脂血症的双载药控释系统的研究

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以乳化溶剂挥发法制备微球,以双药的包封率为评价指标,采用Box-behnken Design响应面法分别对SC-PP-MS的处方及工艺进行优化,并验证最优制备方案.SC-PP-MS的最优处方工艺为PEG-PLGA用量0.15 g、内水相体积170 μL、外水相PVA浓度5%;磁力搅拌时间 5h、超声功率33%、超声时间5min.制得微球的粒径为(4.32±2.42)μm,PDI值为(0.216±0.076),Zeta电位(-17.23±1.87)mV.释放周期为25 d,突释较小,经拟合后SIV和CAV释放曲线均符合Ritger-Peppas释放方程,拟合结果满足0.45<n<0.89,药物在微球中释放为PEG-PLGA骨架溶蚀和药物扩散共同作用.体外释放结果显示,SIV与CAV在第25d时,释放率分别为 88.48%和91.65%,突释小释药过程平稳.
Study of a Dual-loaded Drug Controlled Release System for the Treatment of Hyperlipidemia
Microspheres were prepared by emulsion solvent volatilization,and the encapsulation rate of two drugs,SC-PP-MS was optimized,and the optimal preparation scheme was verified.The microspheres were produced at(4.32±2.42)μm,PDI at(0.216±0.076),and Zeta potential(-17.23±1.87)mV.The release period was 25 d and the spike release was small.After fitting,the SIV and CAV release curves met the Ritger-Peppas release equation,which met 0.45<n<0.89,and the drug release in the microsphere was PEG-PLGA skeleton dissolution and drug diffusion.In vitro release results showed that at 25 d,SIV was 88.48%and 91.65%,respectively,and the process of sudden release was smooth.

simvastatincarvacrolPEG-PLGAmicrosphereypolipidemia

付新迪、张向宇、付琳、王纪宝、顾庆男、李东、高晴

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佳木斯大学,黑龙江 佳木斯 154000

辛伐他汀 香芹酚 PEG-PLGA 微球 降血脂

佳木斯大学大学生创新创业训练计划项目资助

202310222033

2024

广东化工
广东省石油化工研究院

广东化工

影响因子:0.288
ISSN:1007-1865
年,卷(期):2024.51(16)