使用呼出的呼吸颗粒来评估人类肺部的药理动力学
O Holz1,2,3, M W Sadiq4, C Gress1,2
1Fraunhofer Institute for Toxicology and Experimental Medicine ITEM, Hannover (Germany).
Journal of aerosol medicine and pulmonary drug delivery
|December 5, 2024
概括
量化肺药物药理动力学 (PK) 是一个挑战. 这项研究表明,呼出的呼吸颗粒 (PEx) 可以非侵入性地测量肺上皮层内膜液 (ELF) 中的药物度.
科学领域:
- 药理学 药理学是指药理学的学科.
- 肺部医学 肺部医学
- 分析化学 分析化学
背景情况:
- 对肺向治疗的肺药物药理动力学 (PK) 的量化仍然是一个重大挑战.
- 呼出的呼吸颗粒 (PEx) 提供了一种非侵入性的方法,以获得未稀释的上皮层内液 (ELF).
- 这项研究探讨了PEx在获得肺PK数据方面的潜力.
研究的目的:
- 调查从呼出的呼吸颗粒 (PEx) 获得药理动力学 (PK) 数据的可行性.
- 为了比较PEx中的药物度与不同给药途径的血和鼻腔样本.
主要方法:
- 一个随机的交叉研究,涉及健康的志愿者接受吸入或口服萨尔布塔摩尔.
- 在剂后多个时间点采集PEx,鼻腔和血样本.
- 使用液体染色学-质谱学量化丁醇的量化.
主要成果:
- 对于两种施用途径,成功地从血和鼻腔样本中获得了萨尔布他的PK概况.
- 在吸入后,大多数参与者可以从PEx中获得PK概况,但在口服后通常低于检测极限.
- 与鼻腔和血样本相比,吸入的萨尔布塔摩尔在PEx中的度更高.
结论:
- 呼出的呼吸颗粒 (PEx) 提供了一种可行的非侵入性方法,用于量化肺上皮层层液 (ELF) 中的药物水平.
- 这项原则证明研究支持PEx用于肺药物药理动力学评估.
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