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Spinal Stimulation With Gait Training to Improve Lower Limbs Motor Recovery in Spinal Cord Injury
Sponsor: Centre for Interdisciplinary Research in Rehabilitation of Greater Montreal
Summary
Spinal cord injury (SCI) often results in partial or complete loss of movement. In the subacute phase (\< 6 months), the central nervous system shows increased potential for neuroplasticity, making it more responsive to rehabilitation and external stimulation. Standard care in rehabilitation centers relies on activity-based therapy (ABT), which uses intensive, task-specific training to promote recovery. Although ABT can improve mobility, its effects are often limited due to the nature of SCI and the indirect activation of neural circuits. Recent findings suggest that adding transcutaneous spinal cord stimulation (tSCS) to ABT in chronic SCI (\> 12 months) can enhance lower-limb motor recovery. This study will evaluate whether combining tSCS with gait training is safe and feasible in individuals with subacute SCI and whether it improves lower-limb motor outcomes compared with gait training alone. The investigators hypothesize that pairing gait training with tSCS early after injury will be safe and feasible and that tSCS delivered during gait training will augment leg muscle activation and lead to greater functional improvements. The study will also assess the feasibility, safety and tolerability of implementing this combined intervention in a intensive functional rehabilitation setting.
Official title: Combined Gait Training and Transcutaneous Spinal Cord Stimulation to Enhance Lower Limbs Motor Recovery After Subacute SCI
Key Details
Gender
All
Age Range
16 Years - Any
Study Type
INTERVENTIONAL
Enrollment
40
Start Date
2026-07-01
Completion Date
2029-07
Last Updated
2026-03-06
Healthy Volunteers
No
Conditions
Interventions
Protocol 1: Gait training combined with a sham stimulation
The training will be conducted using either the G-EO System (ReHa Technology) or a treadmill/overground with participants secured by a bodyweight support system (Biodex) to reduce bodyweight and prevent falls. Participants will complete 20 training sessions over a periode of 5 to 6 weeks. Each session will last up to 40 minutes, with rest periods if needed in case of performance decline. Each session will begin with a warm-up phase (5 minutes) to evaluate the condition of the participant and to ensure safety. On the G-EO System, this consists of using Passive Mode, which fully compensates for the participant's motor deficits. On the treadmill, the warm-up involves full hand assistance to guide gait. In sham-group, participants will combined gait training with a sham stimulation sets at sensory threshold, providing the perception of stimulation without activating locomotor spinal circuits.
Protocol 2: Gait training combined with an effective tSCS
The training will be conducted using either the G-EO System (ReHa Technology) or a treadmill/overground with participants secured by a bodyweight support system (Biodex) to reduce bodyweight and prevent falls. Participants will complete 20 training sessions over a periode of 5 to 6 weeks. Each session will last up to 40 minutes, with rest periods if needed in case of performance decline. Each session will begin with a warm-up phase (5 minutes) to evaluate the condition of the participant and to ensure safety. On the G-EO System, this consists of using Passive Mode, which fully compensates for the participant's motor deficits. On the treadmill, the warm-up involves full hand assistance to guide gait. In experimental group, participants will combined gait training with tSCS at T11-L2, sets to individualized parameters determined to facilitate lower limbs movement generation.
Locations (1)
Institut de réadaptation Gingras-Lindsay-de-Montréal (IRGLM)
Montreal, Quebec, Canada