相关实验视频
Updated: Jan 10, 2026

08:28
Development of an In Vitro Ocular Platform to Test Contact Lenses
Published on: April 6, 2016
11.2K
使用数学建模对隐形眼镜液友治疗药物的体外释放进行了元分析
Lucia Carichino1, Kara L Maki1, Narshini D Gunputh1
1School of Mathematics and Statistics, Rochester Institute of Technology, 85 Lomb Memorial Drive, Rochester, NY 14623, USA.
Pharmaceutics
|November 27, 2025
概括
这一元分析显示,隐形眼镜中的药物释放取决于镜片材料和药物特性. 一个预测模型有助于开发新的隐形眼镜药物递送系统.
科学领域:
- 眼科药物输送 眼科药物输送
- 生物材料科学 生物材料科学
- 药理动力学 药理动力学
背景情况:
- 在实验室中使用浸泡方法从隐形眼镜中释放水友治疗药物的研究.
- 分析了53项测量商业隐形眼镜累积药物释放的实验.
研究的目的:
- 开发一个数学模型来估计药物扩散系数 (D) 和50%释放时间 (T50).
- 分析隐形眼镜材料,治疗性质和药物释放动力学之间的关系.
主要方法:
- 采用数学模型和参数拟合算法来估计D和T50.
- 利用统计分析将镜片特性 (例如含水量) 和治疗特征与释放参数相关联.
- 根据先前的研究验证了数学框架.
主要成果:
- 镜片中的水含量显著影响药物扩散系数.
- 与传统的水凝 (CH) 镜片相比,水凝 (SH) 镜片的传散度中位数不同.
- 开发了一个预测工具,根据透镜的水含量和治疗性质 (分子体积,密度) 来估计log{T50}.
结论:
- 隐形眼镜的药物释放动力学受到隐形眼镜和治疗性质的影响.
- 开发的统计模型解释了LOG的64%的变化 (T50).
- 该模型对于基于隐形眼镜的药物输送系统的早期开发非常有价值.
相关概念视频
In Vitro Drug Dissolution: Compendial Testing Models I
209
Compendial dissolution methods are standardized procedures defined by pharmacopeias to evaluate the rate at which a drug dissolves in a specific medium. These methods ensure batch-to-batch consistency, enable quality control, and support the prediction of drug bioavailability. They are critical for both immediate and modified-release drug products.The apparatuses used for dissolution testing differ in their design and mechanical function, but all aim to simulate the physiological environment of...
209
In Vitro Drug Dissolution: Compendial Testing Models II
224
Various dissolution methods are utilized to assess a drug’s dissolution rate, including the flow-through cell, paddle-over-disk, cylinder, and reciprocating disk methods.The flow-through cell apparatus (USP (United States Pharmacopeia) method 4) comprises a reservoir for the dissolution medium and a pump that propels the medium through the cell containing the test sample. This method is crucial for assessing modified-release dosage forms with minimally soluble active ingredients,...
224
In Vitro Drug Release Testing: Overview, Development and Validation
291
In vitro dissolution and drug release tests assess how quickly and how much of a drug is released from its dosage form into an aqueous medium under standardized laboratory conditions. These tests are essential tools in pharmaceutical development and quality assurance, offering insight into the drug's performance before clinical use.During formulation development, dissolution testing identifies incomplete or inconsistent drug release issues. It also supports decisions on selecting the optimal...
291

