Safety and Efficacy of High-Channel Implanted BCI for Motor Function Improvement in Tetraplegia Patients
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Could this be for you?
Answer for yourself. This is not a decision: only the study team can say whether you can take part.
- Are you between 18 and 65 years old?
Source: NCT07457645, who can take part
Questions to ask the study team
- How often do I need to come in, and for how long each time?
- Are travel costs paid?
- Can I keep my own doctor?
- What happens if I want to stop?
Contact the study team: see the registry record → Contacts and Locations
Print a page for my doctorTrial details
- Who runs it
- Shanghai Zhongshan Hospital
- Trial code
- NCT07457645
- Record updated
- 28 April 2026
- Original description
This is an open-label single-arm clinical study conducted at designated clinical trial institutions, with three overall phases: a 3-month main study, a 3-month extension, and a 3-month follow-up. The main study includes screening/baseline, preoperative preparation, surgery, upper limb rehabilitation adjustment, and pneumatic hand function training-specifically, preoperative brain and spinal cord imaging for electrode placement in eligible subjects, implantation of high-channel electrodes, and postoperative combined rehabilitation to build a motor intention decoding model that drives the pneumatic hand to grasp. The extension phase focuses on precise assessment of upper limb grasping function, signal stability monitoring, implantation of epidural spinal cord test electrodes, and closed-loop regulated epidural electrical stimulation for limb rehabilitation using implanted intracranial electrode signals. The follow-up phase involves intracranial electrode removal, implantation of long-term epidural spinal cord electrodes, and limb rehabilitation training and observation based on scalp EEG signals.Read full original descriptionShow less
Safety and Efficacy of High-Channel Implanted Brain-Computer Interface in Promoting Motor Function Improvement in Patients With Tetraplegia
This is an open-label single-arm clinical study conducted at designated clinical trial institutions, with three overall phases: a 3-month main study, a 3-month extension, and a 3-month follow-up. The main study includes screening/baseline, preoperative preparation, surgery, upper limb rehabilitation adjustment, and pneumatic hand function training-specifically, preoperative brain and spinal cord imaging for electrode placement in eligible subjects, implantation of high-channel electrodes, and postoperative combined rehabilitation to build a motor intention decoding model that drives the pneumatic hand to grasp. The extension phase focuses on precise assessment of upper limb grasping function, signal stability monitoring, implantation of epidural spinal cord test electrodes, and closed-loop regulated epidural electrical stimulation for limb rehabilitation using implanted intracranial electrode signals. The follow-up phase involves intracranial electrode removal, implantation of long-term epidural spinal cord electrodes, and limb rehabilitation training and observation based on scalp EEG signals.
Inclusion: 18-65 years old (no gender restriction); Clinically diagnosed with tetraplegic motor dysfunction following brainstem or spinal cord injury; ≥ 6 months after brainstem or spinal cord injury, with stable condition (spinal shock phase has passed, and no significant improvement or deterioration in sensory and motor function); Bilateral upper limb muscle strength ≤ Grade 2 and bilateral lower limb muscle strength ≤ Grade 3 by Manual Muscle Testing (MMT); Cognitive function: Mini-Mental State Examination (MMSE) score ≥ 20.
Exclusion: History of drug abuse or alcoholism; Diseases that limit limb mobility: fractures (progressive/deformity-causing fractures), hip dysplasia and other diseases causing limited hip mobility, diabetic foot, severe osteoporosis, limb joint contracture deformity, spasticity, and hospitalization due to autonomic dysreflexia in the past 3 months; Neurological diseases/injuries: traumatic brain injury, epilepsy, neurodegenerative diseases or neuropathies, severe anxiety or depression, and suicidal ideation; Surgical contraindications: infectious diseases; unstable angina pectoris, severe arrhythmia, and other heart diseases; immune system diseases and major organ diseases; coagulation disorders and bleeding tendencies; ankylosing spondylitis; malignant tumors; spinal instability and spinal stenosis; Patients with depressive disorder (17-item Hamilton Depression Rating Scale [HAMD] score > 17); Females who are pregnant; BMI ≥ 30.0 kg/m²; Patients unable to comply with the study protocol.