对一线和二线抗结核药物的蛋白质结合研究
D Fage1, F Aalhoul2, F Cotton1
1Department of Clinical Chemistry, Laboratoire Hospitalier Universitaire de Bruxelles - Universitair Laboratorium Brussel, Brussels, Belgium.
了解药物结合对于结核病治疗至关重要. 这项研究表明,自由药物度对利沃素和利芬素至关重要,特别是在低白蛋白水平的患者中,影响治疗疗效.
科学领域:
- 药理动力学和药物新陈代谢
- 结核病治疗药物 结核病治疗药物
- 临床化学 临床化学
背景情况:
- 第一线抗结核药物的蛋白质结合数据是不完整的.
- 对于广泛用于多药耐药结核病的二线药物 (levofloxacin,linezolid,moxifloxacin) 存在有限的数据.
- 准确评估药物度对于优化治疗结果至关重要.
研究的目的:
- 研究关键结核病药物的载体蛋白度和药物结合之间的关系.
- 评估使用体外和体外数据预测自由药物度的可行性.
- 确定在结核病患者中测量自由药物度的临床相关性.
主要方法:
- 在体外实验中使用尖的血样本模拟临床药物组合.
- 对一线和二线抗结核药物的体内蛋白质结合测量.
- 数学建模用于预测自由药物度.
主要成果:
- 在体内与蛋白质的结合有显著的变化:乙胺醇 (1.5%),异亚 (9.7%),皮拉津胺 (0.7%),里芬素 (88.2%),勒沃素 (26.2%),林氏体 (12.8%),莫西素 (46.3%).
- 低色素度 (<30 g/L) 显著影响了勒沃素,林氏素和利芬素的结合.
- 自由药物度测量对于低albuminemic 患者的里芬素和勒沃素至关重要,而对于乙胺醇,异亚,莫西素和皮拉津胺则不那么重要.
结论:
- 自由药物度对利芬素和勒沃素具有很大的价值,特别是在低albuminemic结核病患者中.
- 数学模型准确地预测了勒沃富洛克萨和莱因佐利德的自由度.
- 需要进一步的研究来证实监测活跃结核病,特别是低albuminemia的levofloxacin,linezolid和rifampicin的自由度的好处.
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