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基于HSPiP和QbD程序的分析方法开发和验证,用于在皮肤动力学研究中量化基托可纳.

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  • 1Department of Pharmaceutics, College of Pharmacy, King Saud University, 11451, Riyadh, Saudi Arabia. amohammed2@ksu.edu.sa.

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概括

一种新的分析方法准确地量化了大鼠皮肤中的可纳 (KTZ). 该方法使用汉森溶解度参数和高性能液体色谱来进行可靠的抗真菌药物分析.

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科学领域:

  • 分析化学 分析化学
  • 药理动力学 药理动力学
  • 皮肤病学 皮肤病学

背景情况:

  • 凯托可纳 (KTZ) 是一种关键的酸性抗真菌剂.
  • 在局部应用后,在皮肤层中精确量化KTZ对于有效性评估至关重要.
  • 目前的方法可能缺乏敏感性,特异性或对于复杂的矩阵 (如皮肤同质体) 的效率.

研究的目的:

  • 开发和验证一种敏感,特异,快速,可复制和经济的生物分析方法,用于在经过处理的老鼠皮肤同质物中量化KTZ.
  • 利用汉森溶解度参数 (HSP) 和实验设计来优化分析方法,特别是高性能液态色谱 (HPLC) 移动阶段.
  • 评估从老鼠皮肤中提取的各种配方的KTZ量化,包括纳米载体.

主要方法:

  • 使用HSPiP软件进行汉森溶解度参数 (HSP) 建模,以预测KTZ的最佳溶剂.
  • 塔古奇实验设计,以确定优化方法的重要因素 (乙酸度,移动相pH).
  • 根据美国FDA指南,高性能液态染色学 (HPLC) 方法验证.
  • 表面响应方法 (SRM) 分析ACN度和pH对峰值面积和保留时间的影响.

主要成果:

  • HSP值指导了移动相溶剂的选择,在乙酸 (ACN) 和乙烯酸中观察到的最大实验溶解度.
  • 鉴定出ACN度和移动相pH值是显著影响HPLC峰值面积和保留时间的关键因素.
  • 确立了验证的分析极限 (从皮肤中提取的KTZ-SLN的0.17和0.50μg/mL).
  • 开发的方法证明了在经过处理的老鼠皮肤中量化KTZ的高可重现性,准确性和选择性.

结论:

  • 一种强大而高效的HPLC方法,使用HSP和实验设计进行了优化,可以在老鼠皮肤中准确量化KTZ.
  • 该方法适用于从皮肤中提取的各种局部配方的KTZ分析,包括基于纳米载体的系统.
  • 这种经过验证的生物分析方法支持药物动力学研究和局部抗真菌治疗的配方开发.