口服吗啡对实验引起的和疼痛的影响:一个随机,双盲,安慰剂控制的随机试验
Hiroai Okutani1,2, Silvia Lo Vecchio1, Nadia Ammitzbøll3
1Centre for Neuroplasticity and Pain, SMI, Department of Health Science and Technology, School of Medicine, Aalborg University, Aalborg, Denmark.
Scandinavian journal of pain
|September 14, 2023
概括
像吗啡这样的阿片类药物可以缓解疼痛,但也会引起. 这项研究发现,吗啡可以减少疼痛,但不会影响的强度,尽管它会增加由组胺激素引起的炎症. 不同的阿片类药物作用可能会解释这些影响.
科学领域:
- 神经科学是一个神经科学.
- 药理学 药理学是指药理学的学科.
- 皮肤病学 皮肤病学
背景情况:
- 疼痛和共享神经元通路,但阿片类药物对它们产生不同的影响,这一现象尚未完全理解.
- 调查阿片类药物诱导的疼痛和的独特机制对于治疗的发展至关重要.
研究的目的:
- 探索阿片类药物对疼痛和的作用背后的基本机制.
- 为了比较人类志愿者对经过实验诱导的吗啡后疼痛和的反应.
主要方法:
- 这是一项随机,双盲,安慰剂控制的试验,涉及24名健康志愿者.
- 吗啡 (20毫克) 或安慰剂被口服,疼痛值 (热量,寒冷,压力) 和反应 (组胺,牛血) 的评估.
- 测量了血管运动反应和主观/疼痛强度.
主要成果:
- 吗啡显著调节了感冒和压力疼痛值,表明了镇痛 (p<0.05).
- 在吗啡和安慰剂组之间没有观察到或疼痛强度的显著差异.
- 吗啡在经过组胺刺激后增加了表面血 perfusion (p<0.05),表明增加了神经性炎症.
结论:
- 口服吗啡可以提供止痛,但不会改变的强度.
- 吗啡增强了组胺诱导的神经性炎症,表明不同类阿片类受体对不同神经元通路的不同作用.
- 这些发现表明,单独的阿片类药物机制影响疼痛,和神经性炎症.
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