一种释放达皮维林的皮下植入物的配方开发,用于预防艾滋病毒
Siqi Wang1, Rand Z Murtadha1, R Karl Malcolm1
1School of Pharmacy, Medical Biology Centre, Queen's University Belfast, Belfast BT9 7BL, UK.
International journal of pharmaceutics
|December 28, 2025
概括
研究人员使用达比维林 (DPV) 开发了一种长效的皮下植入物,用于预防艾滋病毒. 植入物显示DPV释放持续超过330天,显示多年HIV暴露前预防的潜力.
科学领域:
- 药理学 药理学是指药理学的学科.
- 生物材料科学 生物材料科学
- 预防传染病 预防传染病
背景情况:
- 长效抗逆转录病毒策略正在推进艾滋病毒暴露前预防 (PrEP).
- 现有的方法包括每月的阴道环和多个月的注射.
- 需要延长释放药物输送装置,用于持续 PrEP.
研究的目的:
- 设计和评估一种用于长期释放达皮维林 (DPV) 的新型皮下植入物.
- 评估12个月或更长时间释放抗逆转录病毒药物的可行性.
- 通过植入物设计参数探索DPV释放调制.
主要方法:
- 制造具有不同尺寸和达皮维林 (10-40% w/w) 载荷的储型杆植入物.
- 使用了弹性体核心和非药用膜来控制速率.
- 进行了体外释放研究,以测量DPV随时间推移的化率.
主要成果:
- 通过调整膜厚度成功调节DPV释放率.
- 持续的体外DPV释放量约为12μg/天,持续超过330天.
- 植入物保留了大量的药物残留含量,表明可能超过5年的释放时间.
结论:
- 皮下植入物显示出对HIV PrEP的延长释放达皮维林输送有希望.
- 植入物设计,特别是膜厚度,对于控制药物释放动力学至关重要.
- 需要进一步的研究,以应对在实现保护性全身/阴道达皮维林度的挑战,以有效预防艾滋病毒.
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