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Upper Limb Rehabilitation Using Non-invasive Spinal Cord Stimulation
Sponsor: Centre for Interdisciplinary Research in Rehabilitation of Greater Montreal
Summary
The goal of this RCT study is to evaluate if combining activity-based therapy (ABT) with transcutaneous spinal cord stimulation (tSCS) can improve recovery of arm and hand movement in people with cervical spinal cord injury (SCI). As secondary aims, the study will also investigate at how this combination approach affects the cortical changes in the somatosensory and motor areas of the brain, as well as in the spinal cord and whether it helps participants use their arms more in daily life. The main questions relevant to this study are: 1. Can the combination of ABT + tSCS improve motor and sensory functions of the arms and hands more than ABT alone during the sub-acute stage after SCI? 2. Does ABT + tSCS induce neuroplasticity, that is, changes in the brain and spinal cord activity linked to motor and sensory functions? 3. Do participants who receive ABT + tSCS report greater use of their arms in daily activities compared to those who receive ABT only? In this study, participants will: * Receive either ABT + tSCS or ABT + sham stimulation (a low-intensity current that does not facilitate the movements) * Take part in 20 training sessions over 6-8 weeks (3 times per week, 45 min of active training each). During this, they will perform strengthening, task-based training, and mental imagery exercises with a therapist. * Complete clinical tests and neurophysiological assessments (transspinal electrical stimulation, electroencephalography and transcranial magnetic stimulation) at three time points-- at the start, after training, and one month later to measure recovery and brain activity changes. Researchers will compare the assessment outcomes across the three time points.
Official title: Improving Upper Limb Motor Control With Spinal Stimulation
Key Details
Gender
All
Age Range
16 Years - Any
Study Type
INTERVENTIONAL
Enrollment
40
Start Date
2026-04-01
Completion Date
2028-08-09
Last Updated
2026-03-02
Healthy Volunteers
No
Interventions
Protocol 1: Combination of activity-based therapy and sham spinal cord stimulation
The training session for the sham group comprises of activity-based therapy along with sham stimulation on the spinal cord of the participants. These training sessions will include repetitive, intensive strength training and functional exercises targeting arm and hand (upper limb) movements. Sessions will be delivered by trained physiotherapists and occupational therapists. Each participant will complete 20 sessions over six to eight weeks (three per week), with each session lasting 45 minutes. Breaks will be added, if needed. Training will begin with a mental imagery exercise in which participants imagine performing a daily activity (e.g., drinking coffee in a café), followed by therapist-selected activities. Participants will receive transcutaneous spinal cord stimulation set at sensory threshold intensity (i.e., below the threshold that facilitates voluntary movement of the limb; usually 2-3 mA intensity), delivered simultaneously with training.
Protocol 2: Combination of activity-based therapy and facilitatory transcutaneous spinal cord stimulation
The training session for the experimental group comprises of activity-based therapy along with facilitatory stimulation on the spinal cord of the participants. These training sessions will include repetitive, intensive strength training and functional exercises targeting arm and hand (upper limb) movements. Sessions will be delivered by trained physiotherapists and occupational therapists. Each participant will complete 20 sessions over six to eight weeks (three per week), with each session lasting 45 minutes. Breaks will be added, if needed. Training will begin with a mental imagery exercise in which participants imagine performing a daily activity (e.g., drinking coffee in a café), followed by therapist-selected activities. Participants will receive transcutaneous spinal cord stimulation set at a target intensity that facilitates voluntary upper limb movement (usually between 10 and 25 mA) in the participants.
Locations (1)
Institut de réadaptation Gingras-Lindsay-de-Montréal (IRGLM)
Montreal, Quebec, Canada