Impact of Transcranial Direct Current Stimulation on Language Functions in Mild Cognitive Impairment (STIMCI)
2013年8月20日 更新者：Marcus Meinzer、Charite University, Berlin, Germany
Impact of Transcranial Direct Current Stimulation on Language Functions in Mild Cognitive Impairment: A Proof-of-principle Study and Neural Correlates
The purpose of this study is to determine if non-invasive electrical brain stimulation can improve word-retrieval in Mild Cognitive Impairment (MCI).
研究概览
详细说明
Previous studies showed that anodal transcranial direct current stimulation (atDCS) can have beneficial effects on word-retrieval in healthy younger and older subjects.
The present study aims to extend these findings by assessing whether atDCS can also improve known impairments of word-retrieval in Mild Cognitive Impairment.
atDCS will be applied to the left inferior frontal gyrus in a sham controlled cross-over within subjects design.
Simultaneous functional magnetic resonance imaging (fMRI) will assess underlying neural effects of the stimulation.
研究类型
介入性
注册 (实际的)
18
阶段
- 不适用
联系人和位置
本节提供了进行研究的人员的详细联系信息，以及有关进行该研究的地点的信息。
学习地点
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Berlin、德国、10117
- Charite University Medicine, Department of Neurology
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参与标准
研究人员寻找符合特定描述的人，称为资格标准。这些标准的一些例子是一个人的一般健康状况或先前的治疗。
资格标准
适合学习的年龄
45年 至 86年 (成人、年长者)
接受健康志愿者
不
有资格学习的性别
全部
描述
Inclusion Criteria:
- right handed
- German native speakers
- clinical diagnosis of Mild Cognitive Impairment
Exclusion Criteria:
- dementia
- other current or previous neurological or current psychiatric diseases
- alcohol or drug abuse
- MRI contraindication (e.g., magnetic metal, pacemaker, claustrophobia
学习计划
本节提供研究计划的详细信息，包括研究的设计方式和研究的衡量标准。
研究是如何设计的？
设计细节
- 主要用途：基础科学
- 分配：随机化
- 介入模型：交叉作业
- 屏蔽：三倍
武器和干预
参与者组/臂 |
干预/治疗 |
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实验性的：anodal tDCS
anodal tDCS will be administered for 20 minutes with 1 milliampere (1 mA) to the left inferior frontal gyrus
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anodal tDCS will be delivered with a constant current of 1 mA during resting-state and task-related fMRI and will continue until the end of the word-generation task.
For both stimulation conditions (atDCS, sham) the current will be initially increased in a ramp-like fashion over 10 s, eliciting a tingling sensation on the scalp that fades over seconds.
During sham stimulation the current will be turned off after 30 s.
其他名称：
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假比较器：sham tDCS
sham tDCS will be administered to the left inferior frontal gyrus
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anodal tDCS will be delivered with a constant current of 1 mA during resting-state and task-related fMRI and will continue until the end of the word-generation task.
For both stimulation conditions (atDCS, sham) the current will be initially increased in a ramp-like fashion over 10 s, eliciting a tingling sensation on the scalp that fades over seconds.
During sham stimulation the current will be turned off after 30 s.
其他名称：
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研究衡量的是什么？
主要结果指标
结果测量 |
措施说明 |
大体时间 |
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Number of correct responses during word-generation tasks (max. 60)
大体时间：Change in number of correct responses between Assessment 1 (week 1) and Assessment 2 (week 2), assessments 1 and 2 are seperated by one week
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Subjects are assessed in a cross-over design.
The primary outcome measure will be assessed twice in each subject, either during sham stimulation or active stimulation with transcranial direct current stimulation.
Order of stimulation (sham, atDCS or atDCS, sham) will be counterbalanced across the group.
The study design has been described in detail before (Meinzer et al., 2012, Journal of Neuroscience, 32:1859 -1866).
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Change in number of correct responses between Assessment 1 (week 1) and Assessment 2 (week 2), assessments 1 and 2 are seperated by one week
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次要结果测量
结果测量 |
大体时间 |
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Neural activity during word-generation task assessed by functional magnetic resonance imaging (fMRI)
大体时间：Change in fMRI activity between Assessment 1 (week 1) and Assessment 2 (week 2), assessments 1 and 2 are seperated by one week
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Change in fMRI activity between Assessment 1 (week 1) and Assessment 2 (week 2), assessments 1 and 2 are seperated by one week
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合作者和调查者
在这里您可以找到参与这项研究的人员和组织。
调查人员
- 首席研究员：Agnes Flöel, MD、Charite University Medicine, Department of Neurology
研究记录日期
这些日期跟踪向 ClinicalTrials.gov 提交研究记录和摘要结果的进度。研究记录和报告的结果由国家医学图书馆 (NLM) 审查，以确保它们在发布到公共网站之前符合特定的质量控制标准。
研究主要日期
学习开始
2012年12月1日
初级完成 (实际的)
2013年7月1日
研究完成 (实际的)
2013年7月1日
研究注册日期
首次提交
2013年1月14日
首先提交符合 QC 标准的
2013年1月16日
首次发布 (估计)
2013年1月18日
研究记录更新
最后更新发布 (估计)
2013年8月22日
上次提交的符合 QC 标准的更新
2013年8月20日
最后验证
2013年8月1日
更多信息
此信息直接从 clinicaltrials.gov 网站检索，没有任何更改。如果您有任何更改、删除或更新研究详细信息的请求，请联系 register@clinicaltrials.gov. clinicaltrials.gov 上实施更改，我们的网站上也会自动更新.
tDCS的临床试验
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Universidad de AlmeriaSecretaría General de Universidades, Investigación y Tecnología, Junta de Andalucía, Spain邀请报名
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University of North Carolina, Chapel HillNational Institute of Mental Health (NIMH)完全的
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Northeastern UniversityMassachusetts General Hospital; National Institute on Aging (NIA)未知
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University of California, Los AngelesNational Institute of Mental Health (NIMH)完全的
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Charite University, Berlin, GermanyPhysikalisch-Technische Bundesanstalt Institut Berlin (PTB)完全的
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Charite University, Berlin, GermanyPhysikalisch-Technische Bundesanstalt Institut Berlin (PTB)完全的