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Closed-loop Sensorimotor Integrated (CSMI) Control in Exoneuromusculoskeleton (ENMS) for Precise Wrist-hand Rehabilitation After Stroke

2026年7月31日 更新者：Xiaoling Hu、The Hong Kong Polytechnic University

The goal of this randomized controlled trial is to determine whether using both brain and muscle signals to control a wrist-hand rehabilitation robot can improve recovery in people with chronic stroke.

A total of 48 participants will be randomly assigned to one of two groups. Both groups will receive 20 sessions of wrist-hand rehabilitation using an exoneuromusculoskeleton rehabilitation robot.

In the closed-loop sensorimotor integrated group, the system will use information from both brain-muscle coordination and muscle activity to recognize the participant's movement intention and provide electrical stimulation and robotic assistance. In the electromyography-driven group, the system will use muscle activity alone to control the electrical stimulation and robotic assistance.

The main questions this study aims to answer are:

Does control using both brain and muscle signals improve wrist and hand motor function more than control using muscle signals alone? Does this approach produce greater changes in coordination between the brain and muscles? Participants will complete motor-function and brain-muscle assessments before training, immediately after the 20 training sessions, and 3 months after training.

研究概览

地位

招聘中

条件

干预/治疗

研究类型

介入性

注册 (估计的)

48

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。

学习联系方式

学习地点

  • 香港
    • Kowloon
      • Hung Hom、Kowloon、香港
        • 招聘中
        • The Hong Kong Polytechnic University
        • 接触：

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

  • 成人
  • 年长者

接受健康志愿者

不

描述

Inclusion Criteria:

  1. at least 6 months after the onset of a unilateral lesion due to stroke;
  2. moderate to severe motor disability in the paretic wrist-hand joints (6<Fugl-Meyer Wrist-Hand Assessment (FMAWH)<14) and spasticity in wrist-hand (Modified Ashworth Score (MAS) ≤3);
  3. sensory impairment on their affected forearm with a score of 1 measured by the sensation part of light touch in the FMA;
  4. maximal voluntary contraction (MVC) with detectable EMG (3 times of the standard deviation above the resting EMG baseline) in the muscle union of the flexor digitorum and flexor carpi radialis (FD-FCR) and that of the extensor digitorum and extensor carpi ulnaris (ED-ECU);
  5. sufficient cognition to follow experimental instructions (Mini-Mental State Examination score >21);
  6. aged from 30 to 70 years.

Exclusion Criteria:

  1. currently pregnant;
  2. dysphasia (language deficiency);
  3. skull implantation;
  4. post-stroke neglect;
  5. pacemaker implantation;
  6. involved in drug studies, other clinical trials, or concurrent medication/occupational/physical treatments on the upper limb;
  7. the overall medical condition not suitable for the training (e.g., severe cardiac problem, unstable blood pressure, etc.).

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：治疗
  • 分配：随机化
  • 介入模型：并行分配
  • 屏蔽：单身的

武器和干预

参与者组/臂
干预/治疗
实验性的：Closed-Loop Sensorimotor Integrated Group
Participants will receive 20 sessions of wrist-hand rehabilitation using an exoneuromusculoskeleton (ENMS). In this group, corticomuscular coherence (CMC) and electromyographic (EMG) signals will be used together to identify voluntary movement intention and control neuromuscular electrical stimulation and robotic assistance during wrist and hand movements.
设备：CSMI-Controlled ENMS
The exoneuromusculoskeleton (ENMS) provides neuromuscular electrical stimulation and robotic assistance for wrist-hand rehabilitation. In the CSMI-controlled intervention, corticomuscular coherence and electromyographic signals are jointly used to identify voluntary movement intention and trigger assistance. Participants will receive 20 training sessions.
有源比较器：EMG-Driven Group
Participants will receive 20 sessions of wrist-hand rehabilitation using the same exoneuromusculoskeleton (ENMS). In this group, electromyographic (EMG) activity alone will be used to identify voluntary movement intention and control neuromuscular electrical stimulation and robotic assistance during wrist and hand movements.
设备：EMG-Driven ENMS
The exoneuromusculoskeleton (ENMS) provides neuromuscular electrical stimulation and robotic assistance for wrist-hand rehabilitation. In the EMG-driven intervention, electromyographic activity alone is used to identify voluntary movement intention and trigger assistance. Participants will receive 20 training sessions.

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
Fugl-Meyer Assessment Wrist/Hand Subscale (FMA-WH) Score
大体时间：At three pre-training assessments conducted over 2 weeks, immediately after completion of the 20 training sessions, and 3 months after completion of training
The Fugl-Meyer Assessment Wrist and Hand Subscore (FMA-WH) evaluates motor impairment of the paretic wrist and hand after stroke. The score ranges from 0 to 24, including a maximum of 10 points for wrist function and 14 points for hand function. Higher scores indicate better wrist-hand motor function.
At three pre-training assessments conducted over 2 weeks, immediately after completion of the 20 training sessions, and 3 months after completion of training

次要结果测量

结果测量
措施说明
大体时间
Finger Spasticity Assessed by the Modified Ashworth Scale (MAS)
大体时间：At three pre-training assessments conducted over 2 weeks, immediately after completion of the 20 training sessions, and 3 months after completion of training
The Modified Ashworth Scale (MAS) evaluates resistance to passive movement as an indicator of muscle tone and spasticity at the fingers. Possible grades are 0, 1, 1+, 2, 3, and 4, with a minimum grade of 0 and a maximum grade of 4. Higher grades indicate greater resistance to passive movement and more severe spasticity.
At three pre-training assessments conducted over 2 weeks, immediately after completion of the 20 training sessions, and 3 months after completion of training
Wrist Spasticity Assessed by the Modified Ashworth Scale (MAS)
大体时间：At three pre-training assessments conducted over 2 weeks, immediately after completion of the 20 training sessions, and 3 months after completion of training
The Modified Ashworth Scale (MAS) evaluates resistance to passive movement as an indicator of muscle tone and spasticity at the fingers. Possible grades are 0, 1, 1+, 2, 3, and 4, with a minimum grade of 0 and a maximum grade of 4. Higher grades indicate greater resistance to passive movement and more severe spasticity.
At three pre-training assessments conducted over 2 weeks, immediately after completion of the 20 training sessions, and 3 months after completion of training
Elbow Spasticity Assessed by the Modified Ashworth Scale (MAS)
大体时间：At three pre-training assessments conducted over 2 weeks, immediately after completion of the 20 training sessions, and 3 months after completion of training
The Modified Ashworth Scale (MAS) evaluates resistance to passive movement as an indicator of muscle tone and spasticity at the fingers. Possible grades are 0, 1, 1+, 2, 3, and 4, with a minimum grade of 0 and a maximum grade of 4. Higher grades indicate greater resistance to passive movement and more severe spasticity.
At three pre-training assessments conducted over 2 weeks, immediately after completion of the 20 training sessions, and 3 months after completion of training
Fugl-Meyer Assessment Shoulder/Elbow Subscale Score
大体时间：At three pre-training assessments conducted over 2 weeks, immediately after completion of the 20 training sessions, and 3 months after completion of training
The Fugl-Meyer Assessment Shoulder/Elbow Subscore evaluates proximal upper-extremity motor impairment, including movements of the shoulder, elbow, and forearm. The score ranges from 0 to 36. Higher scores indicate better proximal upper-extremity motor function.
At three pre-training assessments conducted over 2 weeks, immediately after completion of the 20 training sessions, and 3 months after completion of training
Action Research Arm Test (ARAT) Score
大体时间：At three pre-training assessments conducted over 2 weeks, immediately after completion of the 20 training sessions, and 3 months after completion of training
The Action Research Arm Test (ARAT) evaluates upper-extremity activity performance through 19 items covering grasp, grip, pinch, and gross movement. The total score ranges from 0 to 57. Higher scores indicate better upper-extremity activity performance.
At three pre-training assessments conducted over 2 weeks, immediately after completion of the 20 training sessions, and 3 months after completion of training

其他结果措施

结果测量
大体时间
EMG Co-contraction Index During Wrist-Hand Tasks
大体时间：At the pre-training assessment, immediately after completion of the 20 training sessions, and 3 months after completion of training
At the pre-training assessment, immediately after completion of the 20 training sessions, and 3 months after completion of training
Dynamic Neuromuscular Network Functional Connectivity
大体时间：At the pre-training assessment, immediately after completion of the 20 training sessions, and 3 months after completion of training
At the pre-training assessment, immediately after completion of the 20 training sessions, and 3 months after completion of training
Peak Beta-Band Corticomuscular Coherence Value
大体时间：At the pre-training assessment, immediately after completion of the 20 training sessions, and 3 months after completion of training
At the pre-training assessment, immediately after completion of the 20 training sessions, and 3 months after completion of training
Cortical Location of Peak Beta-Band Corticomuscular Coherence
大体时间：At the pre-training assessment, immediately after completion of the 20 training sessions, and 3 months after completion of training
At the pre-training assessment, immediately after completion of the 20 training sessions, and 3 months after completion of training

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。

赞助

The Hong Kong Polytechnic University

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 (实际的)

2025年1月1日

初级完成 (估计的)

2027年12月31日

研究完成 (估计的)

2027年12月31日

研究注册日期

首次提交

2026年7月27日

首先提交符合 QC 标准的

2026年7月27日

首次发布 (实际的)

2026年7月30日

研究记录更新

最后更新发布 (实际的)

2026年8月3日

上次提交的符合 QC 标准的更新

2026年7月31日

最后验证

2026年7月1日

更多信息

与本研究相关的术语

其他相关的 MeSH 术语

其他研究编号

  • GRF15218324

药物和器械信息、研究文件

研究美国 FDA 监管的药品

不

研究美国 FDA 监管的设备产品

不

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