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在月经前失调性障碍中,GABAergic神经活性类固醇对塞特拉林的反应
Kristen N Miller1, Lindsay Standeven1, A Leslie Morrow2
1Department of Psychiatry & Behavioral Sciences, The Johns Hopkins University School of Medicine, 550 N. Broadway Street, Baltimore, MD, USA.
选择性血清素再吸收抑制剂 (SSRI),如塞特拉林,在月经前失调障碍 (PMDD) 中可能会改变神经活性类固醇水平. 在患有PMDD的个体中,塞特拉林治疗增加了孕醇水平.
科学领域:
- 神经内分泌学神经内分泌学
- 精神病学是一个精神病学.
- 药理学 药理学是指药理学的学科.
背景情况:
- 月经前失调障碍 (PMDD) 影响5%的个体,在黄体期引起严重的情绪症状.
- PMDD的病理生理学尚不清楚,但可能涉及神经活性类固醇功能障碍.
- 选择性血清素再吸收抑制剂 (SSRI) 是PMDD的第一线治疗方法,可能会影响胺黄油酸 (GABA) 性神经活性类固醇.
研究的目的:
- 调查SSRI塞特拉林是否会改变PMDD患者的血清神经活性类固醇水平.
- 为了确定神经活性类固醇的变化是否与PMDD症状的改善相关.
主要方法:
- 九种神经活性类固醇的血清水平在对照组和在毛囊和质阶段患有PMDD的个体中被测量.
- 在PMDD组中,神经活性类固醇水平在用塞特拉林 (50毫克) 治疗黄质期期间被重新评估.
- 混合模型分析了诊断组,月经周期阶段和塞特拉林治疗之间的关联.
主要成果:
- 在对照组和黄质阶段的PMDD参与者之间没有发现神经活性类固醇水平的显著差异.
- 在PMDD组中,塞特拉林治疗显著增加了血清孕激素水平和孕激素:孕激素比率.
- 在PMDD组中,塞特拉林治疗导致3α,5α-氨水平显著下降.
结论:
- 这项研究是首次检查PMDD中SSRI对外围GABAergic神经活性类固醇的影响.
- 在PMDD患者中,塞特拉林治疗显著增加了乳腺期血清孕和孕:孕的比率.
- 建议进行进一步的安慰剂控制研究,以探索PMDD中神经活性类固醇代谢途径.
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