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Directing Neuroplasticity to Improve Rehabilitative Outcomes of the Upper Limb in Incomplete Quadriplegia
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Purpose
| Condition | Intervention |
|---|---|
| Spinal Cord Injury | Behavioral: Rehabilitation Procedure: Noninvasive brain stimulation: tDCS Procedure: Sham tDCS: placebo noninvasive brain stimulation |
| Study Type: | Interventional |
| Study Design: | Allocation: Randomized Intervention Model: Parallel Assignment Masking: Double Blind (Participant, Outcomes Assessor) Primary Purpose: Treatment |
| Official Title: | Directing Neuroplasticity to Improve Rehabilitative Outcomes of the Upper Limb in Incomplete Quadriplegia |
- Change in Upper Limb Function from Baseline [ Time Frame: Strength, activities and impairments will be measured at The patient will receive TMS during at baseline, post-2 weeks, post-4 weeks and 3-month followup ]Upper limb function will be measured by the Upper Extremity Motor Score (UEMS), capacity tasks in the form of the Grasp and Release Task (GRT) test, and pinch grip impariment that will be measured by a maximum voluntary isometric pinch force.
- Magnetic Resonance Imaging (MRI) of the brain [ Time Frame: The patient will receive MRI during at baseline, post-2 weeks, and post-4 weeks ]MRI will be used to measure changes in structure of the brain and its pathways as a result of training
- Physiology of Brain studied with Noninvasive Brain Stimulation using Transcranial Magnetic Stimulation (TMS) [ Time Frame: The patient will receive TMS during at baseline, post-2 weeks, and post-4 weeks ]TMS is a noninvasive technique of brain stimulation that examines the activity of regions of brain devoted to movement. Without implanting, or injecting or penetrating the brain, simply by using scalp-based recordings, TMS can assess functionality of the brain.
| Estimated Enrollment: | 10 |
| Study Start Date: | November 2011 |
| Estimated Study Completion Date: | October 2017 |
| Estimated Primary Completion Date: | October 2017 (Final data collection date for primary outcome measure) |
| Arms | Assigned Interventions |
|---|---|
|
Experimental: Rehab and tDCS
Patients in this group will receive Noninvasive brain stimulation: tDCS, during rehabilitation exercises of the weak upper limbs for 2 hours per day, 5 times a week, for 2 weeks. tDCS is Transcranial Direct Current Stimulation. Prior to this 2-week intervention phase, all patients will be monitored over a 2-week control phase.
|
Behavioral: Rehabilitation
Patients will receive training upon tasks of daily living. They will perform these exercises in our laboratory under the supervision of qualified personnel.
Procedure: Noninvasive brain stimulation: tDCS
TDCS is a method of noninvasive stimulation of the brain. Using electrodes placed in saline-soaked sponges, low level of direct current (2mA) is delivered over the scalp. This intervention is considered safe and noninvasive because it does not involve implantation or injection or any skin penetration. In the present study, tDCS will be delivered to patients in the experimental group for 2 hr each day for 5 days a week for 2 weeks in conjunction with therapy for the affected hand.
Other Names:
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Sham Comparator: Rehab and sham tDCS
Patients in this group will receive Sham tDCS: placebo noninvasive brain stimulation, during rehabilitation exercises of the weak upper limbs for 2 hours per day, 5 times a week, for 2 weeks. tDCS is Transcranial Direct Current Stimulation. Prior to this 2-week intervention phase, all patients will be monitored over a 2-week control phase
|
Behavioral: Rehabilitation
Patients will receive training upon tasks of daily living. They will perform these exercises in our laboratory under the supervision of qualified personnel.
Procedure: Sham tDCS: placebo noninvasive brain stimulation
Placebo set-up for noninvasive brain stimulation will be similar to that for the active tDCS; sponge electrodes would be placed on the scalp and connected to a batter-operated device. Patients will not receive the effective level of direct current as would delivered in active tDCS intervention. But patients will not be able to decipher whether they are receiving active or placebo tDCS.
Other Names:
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Detailed Description:
The long-term objective of this study is to optimize the rehabilitative potential in spinal cord injury (SCI) by maximally harnessing the potential available for functional neural plasticity. SCI is an important cause of serious, long-term disability in young adults. This fact, further complicated by rising disability-related costs, makes SCI a significant economic and social burden. Upper limb dysfunction is one of the most prevalent and debilitating impairments. More than 75% of patients with quadriplegia (paralysis of all 4 limbs following spinal cord injury in neck and upper back) prioritize return of upper limb function over any other lost function. Alleviating deficits of the upper limb may represent a cost-effective stategy to reducing the burden of SCI.
Although various exercise programs and neuromuscular stimulation methods have been employed to mitigate functional impairments of the arm and hand, success of these modalities is still debated. Evidence for efficacy of rehabilitation is inconclusive as outcomes are variable, confounded by methodological issues, and have shown poor generalizability. It is now speculated that limited succcess of rehabilitation emerges from inability of current methods to adequately harness the potential for significant neuroplasticity available in SCI.
Even though the site of damage in SCI does not involve the brain, the neural networks in the brain that control movement of the arm and hand are markedly affected. These regions lose their territory that the investigators argue could hamper effects of upper limb therapy. Our objective is to directly modulate adaptive plasticity in these regions of the brain to enhance function of the upper limb in iSCI. Our central hypothesis is that noninvasive brain stimulation, called transcranial direct current stimulation (tDCS), when delivered concurrently with rehabilitation will generate synergistic functional advantage. Adaptive plasticty would be obeserved as changes in structure of pathways emerging from the brain and the individual's function.
Eligibility| Ages Eligible for Study: | 18 Years to 75 Years (Adult, Senior) |
| Sexes Eligible for Study: | All |
| Accepts Healthy Volunteers: | Yes |
Inclusion Criteria:
- Diagnosed with incomplete spinal cord injury (iSCI) that occurred at least 6 months ago
Exclusion Criteria:
- History of epilepsy in a first degree relative
- Use of anticonvulsants, antidepressants, or psychotropic medications (except anti-spasticity or pain medications)
- Pregnant
- Implanted pumps, shunts, or neurostimulators
- Neurologic condition affecting sensorimotor systems
- Brain tumor
- Dementia
- Substance abuse
- Stroke
- Damaged skin on the scalp
- Concurrent upper limb rehabilitation
Contacts and LocationsPlease refer to this study by its ClinicalTrials.gov identifier: NCT01539109
| Contact: Ela B Plow, PhD PT | 216-445-4589 | plowe2@ccf.org | |
| Contact: Thelma Asare, MPH | 216-445-6728 | asaret@ccf.org |
| United States, Ohio | |
| The Cleveland Clinic | Recruiting |
| Cleveland, Ohio, United States, 44195 | |
| Contact: Thelma Asare, MPH 216-445-6728 asaret@ccf.org | |
| Principal Investigator: | Ela B Plow, PhD PT | The Cleveland Clinic |
More Information
| Responsible Party: | Ela B Plow, PhD, PT, Project Scientist, The Cleveland Clinic |
| ClinicalTrials.gov Identifier: | NCT01539109 History of Changes |
| Other Study ID Numbers: |
11-823 W81XWH-11-1-0707 ( Other Grant/Funding Number: Department of Defense ) |
| Study First Received: | February 16, 2012 |
| Last Updated: | January 4, 2017 |
| Individual Participant Data (IPD) Sharing Statement: | |
| Plan to Share IPD: | No |
| Plan Description: | We will not be sharing or releasing any study data to third parties outside the Cleveland Clinic |
Keywords provided by Ela B Plow, PhD, PT, The Cleveland Clinic:
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Spinal Cord Disease Incomplete Spinal Cord Injury Quadriplegia Tetraplegia SCI Spinal Cord Injury |
iSCI Transcranial Direct Current Stimulation tDCS SCI recovery brain stimulation rehabilitation |
Additional relevant MeSH terms:
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Spinal Cord Injuries Quadriplegia Spinal Cord Diseases Central Nervous System Diseases Nervous System Diseases |
Trauma, Nervous System Wounds and Injuries Paralysis Neurologic Manifestations Signs and Symptoms |
ClinicalTrials.gov processed this record on August 16, 2017