开发一种协同作用的速度减缓聚合物植入物,用于控制在微创性玻璃眼外科手术中单克隆抗体的输送
Mengqi Qin1, Jinyuan Luo1, Brihitejas Patel1
1Faculty of Life Sciences & Medicine, King's College London, London SE1 1UL, UK.
International journal of biological macromolecules
|May 26, 2024
概括
一种新型的聚合物植入物提供单克隆抗体 (mAbs) 几周,以抑制眼外科手术后的痕形成. 这种持续的药物释放系统显示了改善外科手术结果的前景.
科学领域:
- 眼科医生 眼科 眼科
- 生物材料科学 生物材料科学
- 药物输送系统 药物输送系统
背景情况:
- 单克隆抗体 (mAbs) 显示出潜力抑制痕形成在最小侵入性玻璃眼手术后.
- 有效的长期mAbs输送对于持续的治疗效果至关重要.
研究的目的:
- 开发一种聚合物,速率控制的膜容器,用于持续输送mAbs.
- 优化微球配方和聚合物薄膜特性,以提高药物释放和生物相容性.
主要方法:
- 制造充满mAbs的聚乳-co-甘油酸 (PLGA) 微球,优化乳化剂和NaCl度.
- 使用聚乳酸 (PLA),聚烯 (PCL) 和聚乙烯 (PEG) 的十种微孔膜的开发和比较.
- 组装一个容器型的聚合物植入物与优化的微球和药物释放概况的评估.
主要成果:
- 最佳的mAb载荷微球实现了高稳定性,封装效率,使用1%W/V乳化剂和5%W/V NaCl.实现了最小的爆裂释放.
- 聚合物薄膜表现出明显的孔隙特征和降解模式;所有配方都显示出与眼细胞的良好生物相容性.
- 优化的植入物配方 (60PCL:40 PEG与0.1%的PLGA障碍物) 在4周内持续释放mAb (83.6%).
结论:
- 一种新的聚合物植入物有效地提供了4周的mAbs,证明了在绿眼瘤手术中痕抑制的潜力.
- 开发的系统为眼科应用中持续的药物输送提供了一个有希望的方法.
- 进一步的研究可以探索这种药物输送系统的长期疗效和临床转化.
更多相关视频
相关概念视频
Open Angle Glaucoma: Treatment
430
In open-angle glaucoma, the iridocorneal angle remains open, but the trabecular meshwork becomes stiff, slowing down the outflow of aqueous humor. This causes a buildup of aqueous humor in the anterior chamber, leading to a sudden increase in intraocular pressure. The treatment for open-angle glaucoma focuses on reducing the elevated intraocular pressure by either decreasing the secretion of aqueous humor or increasing its outflow.
Drugs such as carbonic anhydrase inhibitors, α2- and...
Drugs such as carbonic anhydrase inhibitors, α2- and...
430
Angle Closure Glaucoma: Treatment
479
Angle-closure glaucoma, or closed-angle glaucoma, is an eye condition where the iris bulges out and blocks the iridocorneal angle, resulting in a buildup of aqueous humor and increased intraocular pressure. Immediate medical attention is necessary due to the sudden onset of symptoms. The treatment for angle-closure glaucoma includes short-term and long-term approaches. Short-term treatment involves using eye drops like pilocarpine to lower intraocular pressure by increasing aqueous humor...
479


