用nortriptyline量身定制的功能性消化不良的治疗:一个多中心,双盲,安慰剂对照的试验
Daan Hca Bosch1, Abraham B Beckers1, Johanna T W Snijkers1
1Department of Gastroenterology and Hepatology, Maastricht University Medical Center+, Maastricht, the Netherlands; NUTRIM school of Nutrition and Translational Research in Metabolism, Maastricht University, Maastricht, the Netherlands.
在基因型导向试验中,与安慰剂相比,诺特林没有显著改善功能性消化不良 (FD) 症状. 患者接受治疗的信念显示出比药物本身更强大的效果.
科学领域:
- 胃肠病学 胃肠病学
- 药物基因组学 药物基因组学
- 临床试验 临床试验
背景情况:
- 功能性消化不良 (FD) 治疗具有挑战性,低剂量三环抗抑郁药的高质量证据有限.
- 细胞染色体P450 2D6 (CYP2D6) 基因型指导诺特林代谢,影响药物的疗效.
- 基因型引导的选择可以优化FD患者的nortriptyline使用.
研究的目的:
- 为了评估在FD患者中升级低剂量诺特林与安慰剂的疗效.
- 评估CYP2D6基因型对FD中的诺特林反应的影响.
- 研究患者对治疗结果的信念的作用.
主要方法:
- 多中心,随机对照试验 (RCT) 涉及69名FD患者.
- 在12周的时间里,与安慰剂相比,nortriptyline剂量 (10mg,25mg,50mg) 的升级.
- 主要结局:临床反应定义为FD症状减少≥30%.
主要成果:
- 在nortriptyline和安慰剂之间临床反应没有显著差异 (45%对58%,p=0.276).
- 在响应者与非响应者 (p=0.003) 中观察到较高的nortriptyline血水平.
- 患者接受诺特林的信念与更高的响应率 (77%对36%,p=0.004) 有着强烈的相关性.
结论:
- 在CYP2D6引导患者的FD症状减轻方面,nortriptyline没有优于安慰剂.
- 不能排除诺特利普提林的生物效应,但参与者的信念有更明显的影响.
- 需要进一步的研究,以了解药物基因组学和心理因素在FD治疗中的相互作用.
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