NCT07732972|RecruitingFDA Device
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Sponsor study identifier
observational
30
1 country
1
Study Start
August 1, 2026
Estimated (date passed)This estimate has passed. The registry has not confirmed an actual date for this milestone.
Primary Completion
December 31, 2030
EstimatedPlanned date reported by the registry; this milestone is not confirmed as achieved.
Study Completion
December 31, 2030
EstimatedPlanned date reported by the registry; this milestone is not confirmed as achieved.
This study will examine how the brain, spinal cord, and muscles communicate in people with spinal cord injury. Researchers will use noninvasive brain and muscle recordings together with spinal electrical recordings to better understand how epidural spinal cord stimulation (EES) affects nerve function. The results may help develop more effective and personalized rehabilitation treatments for people with spinal cord injury.
Registry-reported information. Elapsed time and enrollment totals alone do not measure study progress or recruitment pace.
December 31, 2030
EstimatedPlanned date reported by the registry; this milestone is not confirmed as achieved.
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Some registry-reported names shown below are not yet linked in this graph.
Dates and qualifiers reported by the registry. Estimated dates do not confirm that a milestone has occurred.
July 20, 2026
Actual (reported)July 29, 2026
Actual (reported)August 1, 2026
Estimated (date passed)This estimate has passed. The registry has not confirmed an actual date for this milestone.
December 31, 2030
EstimatedPlanned date reported by the registry; this milestone is not confirmed as achieved.
December 31, 2030
EstimatedPlanned date reported by the registry; this milestone is not confirmed as achieved.
Peak-to-peak amplitude of spinal evoked responses
Peak-to-peak amplitude of spinal evoked responses will be measured in microvolts (µV) to quantify the magnitude of neural activation under different stimulation conditions.
baseline; at 7、20 days after the implantation
Latency of spinal evoked responses
Response latency of spinal evoked responses will be measured in milliseconds (ms) from stimulus onset to the onset or peak of the response to evaluate neural conduction characteristics.
baseline; at 7、20 days after the implantation
Area under the curve (AUC) of spinal evoked responses
The area under the evoked response waveform will be calculated in µV、RMT(%)) to quantify the overall neural response elicited by stimulation.
Baseline; at 7、20 days after the implantation
Recruitment curve of spinal evoked responses
Recruitment curves will be constructed by plotting peak-to-peak amplitude (µV) to characterize spinal neural excitability and recruitment properties.
baseline; at 7、20 days after the implantation
EEG spectral power
EEG spectral power will be calculated using Morlet wavelet transform and expressed in decibels (dB) for the theta (θ), alpha (α), beta (β), and gamma (γ) frequency bands to quantify changes in neural oscillatory activity.
baseline; 7、20 days after the implantation
SEG spectral power
SEG spectral power will be calculated using Morlet wavelet transform and expressed in decibels (dB) for the theta (θ), alpha (α), beta (β), and gamma (γ) frequency bands to quantify changes in spinal neural oscillatory activity.
baseline; 7、20 days after the implantation
Adults aged 20-70 years without spinal cord injury who have chronic neuropathic pain and have undergone temporary epidural spinal cord stimulation (EES). Neural activity will be evaluated using simultaneous spinal electrogram (SEG), electroencephalography (EEG), and electromyography (EMG) recordings during EES.
This cohort includes adults aged 20-70 years with chronic spinal cord injury who have undergone temporary epidural spinal cord stimulation (EES). Participants with AIS grades A-D and injury levels from C3 to L1 will be included. Neural activity will be evaluated using spinal electrogram (SEG), electroencephalography (EEG), and electromyography (EMG) recordings during EES.
This observational case-control study includes two groups: a spinal cord injury (SCI) group and a non-SCI group. The SCI group consists of patients diagnosed with SCI by physicians. Both groups have undergone temporary epidural spinal cord stimulation (EES), and spinal electrophysiological signals will be recorded during stimulation in the SCI group to evaluate neural activity.
Registry-reported names are shown in full. Names without a link have not yet been matched to a Syfrah profile.
Neurosurgery patient at Buddhist Tzu Chi General Hospital, Hualien
Buddhist Tzu Chi Medical Foundation Hualien Tzu Chi Hospital
Hualien City, Taiwan
Yu-Chen Chen, M.D., Ph.D
Hualien Tzu Chi General Hospital
First Submitted
July 20, 2026
First Posted
July 29, 2026
Study Start
August 1, 2026
Estimated (date passed)This estimate has passed. The registry has not confirmed an actual date for this milestone.
Primary Completion
December 31, 2030
EstimatedContact the study team to confirm eligibility.
Planned date reported by the registry; this milestone is not confirmed as achieved.
Study Completion
December 31, 2030
EstimatedPlanned date reported by the registry; this milestone is not confirmed as achieved.
Last Updated
July 29, 2026
Record last verified: 2026-06
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Source: ClinicalTrials.gov.
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