JAMA Psychiatry:抗精神病药物对人类脑结构的影响

2020-03-04 MedSci MedSci原创

抗精神病药物可改变人类大脑结构

动物研究发现,抗精神病药物与大脑结构改变有关,近日研究人员评估了抗精神病药物对人类大脑结构的影响。

STOP-PDII研究中,招募18至85岁重度抑郁障碍(精神病性抑郁)患者,研究为期20周,患者在服用奥氮平和舍曲林后精神病缓解和抑郁症缓解/接近缓解至少8周,随后患者在36周内改为服用安慰剂和舍曲林。在基线、36周或疾病复发后进行MRI扫描。研究的主要终点为灰质皮质厚度,次要指标为白质微结构完整性。

88名参与者(年龄范围为18-85岁)完成了基线扫描;75人完成了后续扫描,其中72人(32名男性和40名女性)纳入最终分析。治疗组皮质厚度随着时间的推移有显著的交互作用,而与表面积的交互作用不显著。各向异性分数没有发现明显的相互作用,但白质骨架的平均扩散率存在一个相互作用(t=-2.6)。当分析仅限于那些病情缓解的患者时,与安慰剂相比,奥氮平暴露与左半球(β=0.04 )和右半球(β=0.03)皮质厚度的显著减少有关。事后分析显示,接受安慰剂治疗的复发患者与持续缓解的患者相比,皮质厚度减少。

研究发现,抗精神病药物可改变人类大脑结构。

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    2020-03-06 wmr116
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    2020-03-04 旺医

    顶刊就是顶刊,谢谢梅斯带来这么高水平的研究报道,我们科里同事经常看梅斯,分享梅斯上的信息

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