用PDLLA/PCL混合物涂覆的甲醇硫酸盐微的封装效率和体外溶解试验
Lukmanul Hakim Samada1, Emil Budianto2
1School of Chemistry, University of Birmingham, Birmingham, UK.
Therapeutic delivery
|October 27, 2025
概括
这项研究开发了一种使用可生物降解的聚合物,为硫酸盐丁醇提供一种新的口服药物输送系统. 微封装技术显示出改善患者服药能力和减少副作用的潜力.
科学领域:
- 制药科学 制药科学
- 生物材料工程 生物材料工程
背景情况:
- 喘和COPD的管理往往需要频繁服用支气管扩展剂,如硫酸盐.
- 传统的口服配方可能会导致可变的吸收和潜在的副作用.
- 微封装为控制药物释放和改善治疗结果提供了一个有希望的策略.
研究的目的:
- 开发和表征微囊,用于口服硫酸盐布他.
- 评估封装效率和体外药物释放概况.
- 评估聚D,L-乳酸和聚E-烯酸) 混合物在持续药物输送方面的潜力.
主要方法:
- 沙布塔醇硫酸盐使用油在水乳化技术进行微封装.
- 聚D,L-乳酸) 和聚e-caprolactone (PDLLA 60:PCL 40% w/w) 作为封装聚合物被使用.
- 在酸性 (pH1.2) 和中性 (pH7.4) 介质中进行了体外溶解研究.
主要成果:
- 甲醇硫酸盐的最高平均封装效率达到了83.21%.
- 在体外释放显示,在pH 1.2 HCl下释放药物的32.21%,在pH 7.4酸盐缓冲剂下释放药物的17.18%.
- 药物释放遵循受控扩散机制,表明持续释放特性.
结论:
- 开发的PDLLA/PCL微囊显示了长时间口服硫酸盐胺的潜在潜力.
- 虽然总药物释放量低于最初的预期,但该系统可能会提高患者的服药性并减少不良影响.
- 进一步优化可以改善药物释放概况,以获得更好的治疗疗效.
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