- ICH GCP
- US Clinical Trials Registry
- Clinical Trial NCT02451683
Corticospinal Function After Spinal Cord Injury
Study Overview
Status
Conditions
Detailed Description
This study will determine the temporal organization of corticospinal volleys during reach and grasp movements. Multiple descending volleys in the corticospinal tract generate multiple peaks in muscle responses (indirect (I)-waves). I-waves are a mechanism by which corticospinal neurons are transynaptically activated at periodic intervals of ~1.5 ms. This periodic activation contributes to the recruitment of spinal motoneurons and generation of movement. we will use paired-TMS to examine I-waves in surface EMG recordings from upper-limb muscles during reach and grasp movements.
We will also identify motor cortical maps of upper-limb muscles involved in reach and grasp movements. We will use TMS guided by a frameless neuronavigation system to define the size and location of motor cortical maps of upper-limb muscles during reach and grasp movements. We will be able to determine overlaps and functional interactions between distal and proximal arm motor cortical representations. Our preliminary data shows that finger and biceps cortical maps largely overlap during reach and grasp movements in controls but considerable less in patients
Study Type
Enrollment (Estimated)
Phase
- Not Applicable
Contacts and Locations
Study Contact
- Name: Monica A Perez, PhD, PT
- Phone Number: 312-238-2886
- Email: mperez04@sralab.org
Study Locations
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Illinois
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Chicago, Illinois, United States, 60611
- Recruiting
- Shirley Ryan AbilityLab
-
Contact:
- PhD
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Contact:
- Monica A Perez, PhD, PT
- Phone Number: 312-238-2886
- Email: mperez04@sralab.org
-
Principal Investigator:
- Monica A Perez, PhD
-
-
Participation Criteria
Eligibility Criteria
Ages Eligible for Study
Accepts Healthy Volunteers
Description
Inclusion Criteria:
Inclusion criteria for individuals with SCI:
- Male and females between 18-85 years,
- Chronic SCI (≥ 6 months post injury),
- Cervical injury at C8 or above,
- Intact or impaired but not absent innervations in dermatomes C6, C7, and C8 using the American Spinal Injury Association sensory scores, and
- Ability to reach and grasp a small object located at least 8 cm forward, above, and laterally without leaning forward with the trunk
Inclusion criteria for healthy controls:
- Male and females between 18-85 years,
- Right handed,
- Ability to reach and grasp a small object located at least 8 cm forward, above, and laterally without leaning forward with the trunk
Exclusion Criteria:
Exclusion criteria for individuals with SCI and Healthy Controls:
- Uncontrolled medical problems including pulmonary, cardiovascular or orthopedic disease
- Any debilitating disease prior to the SCI that caused exercise intolerance
- Premorbid, ongoing major depression or psychosis, altered cognitive status
- History of head injury or stroke
- Pacemaker
- Metal plate in skull
- History of seizures
- Receiving drugs acting primarily on the central nervous system, which lower the seizure threshold such as antipsychotic drugs (chlorpromazine, clozapine) or tricyclic antidepressants
- Pregnant females
- Ongoing cord compression or a syrinx in the spinal cord or who suffer from a spinal cord disease such as spinal stenosis, spina bifida or herniated cervical disk.
- History of brain tumor and or brain infection
Study Plan
How is the study designed?
Design Details
- Primary Purpose: Diagnostic
- Allocation: Randomized
- Interventional Model: Crossover Assignment
- Masking: None (Open Label)
Arms and Interventions
Participant Group / Arm |
Intervention / Treatment |
---|---|
Other: Electrophysiology Assessment of Time Domain
Assessment of electrophysiology in the time domain to examin temporal organization of corticospinal function
|
Kinematics, Spinal Cord Excitability and Cortical Spinal Motor Excitability.
motor task combined with real or sham stimulation
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Experimental: Electrophysiology Assessment of Location
Assessment of electrophysiology to examine spatial organization of corticospinal function
|
motor task combined with real or sham stimulation
Kinematics, Spinal Cord Excitability and Cortical Spinal Motor Excitability
|
Active Comparator: Training with some stimulation
Training with non-invasive stimulation and training with sham stimulation
|
motor task combined with real or sham stimulation
|
What is the study measuring?
Primary Outcome Measures
Outcome Measure |
Measure Description |
Time Frame |
---|---|---|
Upper-limb motor function
Time Frame: 5 months
|
measured by functional tests of hand/arm motor function
|
5 months
|
Secondary Outcome Measures
Outcome Measure |
Measure Description |
Time Frame |
---|---|---|
Cortical Neurophysiological Outcome
Time Frame: 5 months
|
measured by the maps area and overlap in millimeters
|
5 months
|
Change in Sensorimotor Function
Time Frame: 5 months
|
measured by upper-limb movements scale from 1(dependent) to 7 (independent).
|
5 months
|
Collaborators and Investigators
Sponsor
Investigators
- Principal Investigator: Monica Perez, PT PhD, Shirley Ryan AbilityLab
Study record dates
Study Major Dates
Study Start (Actual)
Primary Completion (Estimated)
Study Completion (Estimated)
Study Registration Dates
First Submitted
First Submitted That Met QC Criteria
First Posted (Estimated)
Study Record Updates
Last Update Posted (Actual)
Last Update Submitted That Met QC Criteria
Last Verified
More Information
Terms related to this study
Keywords
Additional Relevant MeSH Terms
Other Study ID Numbers
- STU00210458
- R01NS090622-01 (U.S. NIH Grant/Contract)
Plan for Individual participant data (IPD)
Plan to Share Individual Participant Data (IPD)?
Drug and device information, study documents
Studies a U.S. FDA-regulated drug product
Studies a U.S. FDA-regulated device product
This information was retrieved directly from the website clinicaltrials.gov without any changes. If you have any requests to change, remove or update your study details, please contact register@clinicaltrials.gov. As soon as a change is implemented on clinicaltrials.gov, this will be updated automatically on our website as well.
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