认知控制电路的功能预测了抗抑郁药的结果:一个信号检测方法,可采取行动的临床决策
Leanne M Williams1,2, Jerome Yesavage1,2
1Department of Psychiatry and Behavioral Sciences, Stanford University School of Medicine, Stanford, CA 94305, USA.
Personalized medicine in psychiatry
|March 11, 2025
概括
大脑电路功能障碍预测抗抑郁药物缓解. 背侧前额皮层 (dLPFC) 和背前环状皮层 (dACC) 活动指标可以个性化抑郁症治疗,改善缓解率并减少治疗所需人数.
科学领域:
- 神经科学是一个神经科学.
- 精神病学是一个精神病学.
- 医疗成像医学成像
背景情况:
- 确定了与受损的认知控制回路 (背侧前额叶皮层[dLPFC]和背前带带皮层[dACC]) 相关的认知抑郁的生物型.
- 之前的工作利用功能磁共振成像 (fMRI) 来描述这些电路.
研究的目的:
- 评估认知电路指标作为抑郁症中抗抑郁药缓解的个性化预测指标.
- 确定dLPFC和dACC的活性和连接性是否可以预测治疗结果.
主要方法:
- 对国际研究预测抑郁症最佳治疗 (iSPOT-D) 数据集 (n=159) 的二次分析.
- 在GoNoGo任务期间收集的fMRI数据,并在抗抑郁药治疗8周后使用汉密尔顿抑郁评分表评估缓解.
- 利用接收器运行分析 (ROC) 来计算电路指标 (dLPFC/dACC活动和连接) 的灵敏度和特异性,作为缓解的预测指标.
- 治疗所需的计算数 (NNT) 为最佳切割点值.
主要成果:
- ROC模型显示,在dLPFC活动切点为-0.75标准偏差时,发送者 (62.5%) 和非发送者 (21.2%) 之间存在显著的分离.
- 平均电路指标也作为二次预测指标.
- 治疗所需人数 (NNT) 为3.72,表明基于这些指标的个性化治疗可能会使缓解率翻一番.
结论:
- 从fMRI获得的临床可操作的电路测量可以作为抗抑郁药物缓解的个性化预测指标.
- 这些发现支持将神经成像生物标志物纳入临床试验和抑郁症实践.
- 需要进一步的研究来验证这些发现,并探索长期的结果.
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