HepaSphere微球封装皮鲁比与新加载方法跨动脉化学栓塞的作用:体外和体外实验:体外实验和体外实验
Wen Zhang1,2,3, Nan Du1,2,3, Liangwen Wang1,2,3
1Department of Interventional Radiology, Zhongshan Hospital, Fudan University, No. 180 Fenglin Road, Xuhui District, Shanghai, 200032, China.
Discover oncology
|November 22, 2023
概括
一种新方法将epirubicin加载到酸 (HS) 微球上,显著增加了瘤中的药物度. 这种通过跨动脉化学栓塞 (TACE) 增强的药物输送导致了改善的抗瘤效果和更大的瘤缩.
科学领域:
- 干预性放射学 干预性放射学
- 在瘤学瘤学.
- 生物材料科学 生物材料科学
背景情况:
- 跨动脉化学栓塞 (TACE) 是肝癌的标准治疗方法.
- 药物释放珠 (DEBs) 在TACE中改善了药物输送,但优化其加载和有效性仍然至关重要.
- 酸 (HS) 微球具有作为DEB载体的潜力,但它们的特性需要优化,以便有效地进行药物加载和释放.
研究的目的:
- 开发和评估一种用于将epirubicin加载到HS微球上的新方法.
- 在子VX2肝瘤模型中,使用新方法 (ndTACE) 与推方法 (dTACE) 和常规TACE (cTACE) 对抗装载epirubicin的HS微球的疗效进行比较.
- 评估新加载方法对药物度,瘤亡和微球分布的影响.
主要方法:
- 使用一种新方法,将高压盐水和对比介质 (Ultravist) 装入HS微球,以2:8的比例.
- 评估了微球形态,尺寸分布 (平均直径102±14μm) 和药物载荷能力 (78.7%).
- 肝脏VX2瘤的子接受了cTACE,dTACE或ndTACE,随后评估了血和组织中的epirubicin度,瘤缩和微球分布.
主要成果:
- 与dTACE和cTACE相比,新的加载方法显著增加了瘤组织中的epirubicin度 (p <0.016).
- 在ndTACE组中瘤epirubicin度为11,989.8 ± 5776.6 ng/g. 在ndTACE组中,瘤epirubicin度为11,989.8 ± 5776.6 ng/g.
- 在ndTACE组中,瘤死亡率达到92.4%,表明抗瘤效果优越.
结论:
- 用高压盐水和非离子对比物质混合物加载HS微球有效地减少了它们的尺寸.
- 该ndTACE方法提高了瘤内的epirubicin度.
- 这种通过HS微球改善的药物输送导致显著更好的抗瘤效果和增加瘤缩.
相关概念视频
Drug Discovery: Overview
Drug discovery is a multifaceted process involving extensive screening, testing, and optimization of lead compounds to identify potential new drugs for therapeutic use. It combines several approaches, including screening large numbers of natural products, chemical modification of known active molecules, identification of new drug targets, and rational design based on biological mechanisms and drug-receptor structure. These approaches are carried out in both academic research laboratories and...
Structure-Activity Relationships and Drug Design
Drug design is a dynamic field that involves discovering and developing new medications based on specific biological targets. This process heavily relies on structure-activity relationships (SAR) and quantitative structure-activity relationships (QSAR) to guide the design and optimization of efficient drugs.
SAR studies the intricate relationship between a drug's chemical structure and biological activity. It focuses on understanding how modifications to a drug's structure can influence its...
SAR studies the intricate relationship between a drug's chemical structure and biological activity. It focuses on understanding how modifications to a drug's structure can influence its...


