通过3D打印进行微型平板电脑的几何驱动制造:将释放动力学与多面体形状相关联
Young-Jin Kim1, Yu-Rim Choi1, Ji-Hyun Kang2
1College of Pharmacy, Chungbuk National University, Cheongju 28160, Republic of Korea.
Pharmaceutics
|June 27, 2024
概括
通过3D打印,通过定制微型平板电脑的几何形状,可以精确控制药物释放. 这项研究将多面体形状与神菲林释放动力学相关联,发现表面积与体积比最好地使用希古奇模型预测药物输送.
科学领域:
- 制药技术 制药技术 制药技术
- 材料科学 材料科学 材料科学
- 药物输送系统 药物输送系统
背景情况:
- 融合沉积建模 (FDM) 3D打印为个性化医疗提供了潜力.
- 控制药物释放概况对于有效的治疗结果至关重要.
- 对剂型的几何操纵可以影响药物释放动力学.
研究的目的:
- 使用FDM3D打印制造充满神氨酸的迷你平板电脑.
- 为了研究多面体几何形状和药物释放动力学之间的关系.
- 为了建立释放模型和物理参数之间的相关性.
主要方法:
- 通过热挤出 (HME) 用神素,HPC和EUDRAGIT RS PO.进行丝片制备.
- 3D打印具有一致体积的多面体小平板 (四面体到二面体).
- 溶解测试和物理参数分析 (SA:表面积,SA/W:表面积/重量,SA/V:表面积/体积).
主要成果:
- 在HME之前通过预干燥实现一致的灯丝厚度.
- 在Higuchi释放模型和表面积与体积 (SA/V) 比率之间观察到高相关性 (R2 = 0.995).
- 通过3D打印,可以通过修改药片大小或形状来调整药物剂量,同时保持释放形状.
结论:
- FDM 3D打印是一种可行的技术,用于创建定制的药物输送系统.
- SA/V比是影响3D打印平板药物释放的关键几何参数.
- 这种方法促进了个性化和儿科药物产品的开发,并控制释放.
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