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Research and Development of Key Technologies for Synergistic Stimulation of Multiple Physical Factors Based on Neural Regulation Effects and Mechanisms: A Randomized Controlled Trial on the Intervention Effect and Mechanism of TIS-Targeted M1 on Motor and Cognitive Functions After Stroke

Key Technologies and System Development for Assessment, Early Warning, and Multi-Physical-Factor Synergistic Stimulation Intervention of Geriatric Cognitive Impairment — A Randomized Controlled Trial Protocol: Investigating the Therapeutic Effects and Mechanisms of TIS Targeting M1 on Motor and Cognitive Function Following Stroke

Status
Recruiting
Phases
Unknown
Study type
Interventional
Source
ChiCTR
Registry ID
ChiCTR2500110547
Enrollment
Unknown
Registered
2025-10-15
Start date
2025-10-15
Completion date
Unknown
Last updated
2026-06-15

For informational purposes only — not medical advice. Sourced from public registries and may not reflect the latest updates. Terms

Conditions

Stroke

Interventions

TIS Group:The TIS group received true stimulation. The stimulation site was selected as the lower limb motor control area within the ipsilesional M1 area (primary motor cortex) of the patients' brains
the current intensity was controlled within the range of <= 2 mA
and the duration of each stimulation session was 20 minutes. The stimulation treatment protocol was scheduled as once per day, 5 times per week, with a total intervention duration of 2 weeks, and a to
Sham Group:The sham group had electrode placement identical to that of the TIS group, with the same stimulation equipment and procedures utilized. However, a 2 mA current was only applied for 30 secon

Sponsors

The Third Affiliated Hospital of Sun Yat-sen University
Lead Sponsor

Eligibility

Sex/Gender
All
Age
18 Years to 80 Years

Inclusion criteria

Inclusion criteria: 1. Persistent lower limb motor dysfunction on the affected side caused by a first-ever ischemic/hemorrhagic stroke. 2.Disease duration of 1 -12 months. 3. Age range of 18 - 80 years. 4. Lesions located in the cerebral hemisphere cortex and/or subcortex. 5. Stable vital signs in patients with no progression of neurological symptoms (e.g., normal vital signs including blood pressure, heart rate, and respiratory rate), and no newly developed neurological impairment symptoms such as hemiplegia, aphasia, or altered consciousness, as confirmed by clinical assessment and medical records. 6. No severe aphasia (Boston Diagnostic Aphasia Examination (BDAE) score >= 2 points), no visual or auditory impairments, and ability to complete the study protocol.

Exclusion criteria

Exclusion criteria: 1.A history of brain tumors, traumatic brain injury, hydrocephalus, epilepsy, neurodegenerative diseases (e.g., Parkinson's disease, Alzheimer's disease, etc.) or central nervous system autoimmune diseases, as well as other severe diseases that may affect the study (including cardiopulmonary, liver, and kidney diseases, etc.). 2. Imaging examinations showing large-area structural damage to the affected side of M1 (e.g., complete infarction) or active abnormal signals in the lesion area (e.g., unabsorbed hematoma, edema, or gliosis). 3. Presence of metal/electronic implants in the cranium, skull, or orbit (e.g., deep brain stimulation electrodes, skull repair plates, subdural/epidural electrode grids, aneurysm clips, ventriculoperitoneal shunts, etc.) or implanted electronic devices in the body (e.g., cardiac pacemakers, cochlear implants). 4. Presence of severe somatosensory impairment/apraxia/cognitive impairment. 5. Post-craniotomy/skull defect. 6. Lesions in the cerebellum or brainstem. 7. Receipt of botulinum toxin injection within the past 3 months, with the injection site being the affected lower limb. 8. Other severe diseases that may affect the study.

Design outcomes

Primary

MeasureTime frame
Fugl-Meyer Assessment: Lower Extremity Component;Montreal Cognitive Assessment;

Secondary

MeasureTime frame
Motricity Index-Lower Extremity;Berg Balance Scale;Digit span;Stroop Color - Word Test;Electroencephalographic absolute power;Electroencephalographic relative power;Electroencephalographic Delta/Alpha Ratio;Electroencephalographic Delta-Theta/Alpha-Beta Ratio;Electroencephalogram Weighted Phase Lag Index;Electroencephalographic Partial Directed Coherence;Resting-state functional connectivity of functional near-infrared spectroscopy;Fractional amplitude of low-frequency fluctuations of functional near-infrared spectroscopy;

Countries

China

Contacts

Public ContactHu Xiquan

The Third Affiliated Hospital of Sun Yat-sen University

huxiquan@mail.sysu.edu.cn+86 189 2210 2910

Outcome results

None listed

Source: ChiCTR (via WHO ICTRP) · Data processed: Jun 21, 2026