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Improving Hand Movement and Coordination in People With Multiple Sclerosis Using Transcranial Magnetic Stimulation (TMS) and Muscle Electrostimulation (FES) To Support Manual Dexterity and Daily Function
Sponsor: Fondazione Don Carlo Gnocchi Onlus
Summary
The goal of this interventional study is to test whether combining transcranial magnetic stimulation (TMS) with functional electrical stimulation (FES) can improve hand and upper limb function in adults with Multiple Sclerosis (MS). The clinical trial aims to determine the following points: 1. Whether TMS combined with FES produces greater effects compared to FES alone. 2. Changes in brain and muscle activity related to hand function after treatment. 3. Specific clinical or neurophysiological factors that predict who will benefit most from the intervention. Researchers will compare the TMS-FES group (receiving brain magnetic stimulation and muscle electrostimulation) with the FES group (receiving only muscle electrostimulation) to assess whether TMS provides additional benefits in improving upper limb function Participants will: * Be assigned to a group (TMS-FES group or FES group) * Attend 15 sessions (45 minutes each, 3 times per week for 5 weeks) of task-based hand and arm exercises, during which FES, or TMS and FES, will be administered to the participant. * Undergo assessments before, after, and 3 months after training to measure hand function, brain and muscle responses, fatigue, and daily activity performance.
Official title: Restoring Manual Dexterity in Multiple Sclerosis: A Feasibility Study Combining Muscle Electrostimulation and Transcranial Magnetic Stimulation To Enhance Neuroplasticity
Key Details
Gender
All
Age Range
18 Years - Any
Study Type
INTERVENTIONAL
Enrollment
50
Start Date
2025-10
Completion Date
2027-05
Last Updated
2025-08-12
Healthy Volunteers
Yes
Conditions
Interventions
TMS and FES- based rehabilitation
Each subject will receive 15 individual sessions (45 minutes each, 3 times per week for 5 weeks) of task-based hand and arm exercises. Before movement execution, the hand area of the primary motor cortex will be stimulated using active rTMS. The rTMS protocol will use intermittent theta burst stimulation (iTBS), which delivers bursts of 3 pulses at 50 Hz every 200 ms (5 Hz) for 2 seconds, followed by 8 seconds of rest, totaling 600 pulses in \~3 minutes. The hand area will be identified as the optimal site for eliciting a motor evoked potential (MEP) in the abductor digiti minimi (ADM) muscle, contralateral to the dominant limb, with the lowest possible stimulation intensity. Subsequently, FES will be applied to assist the subject's voluntary movements during the task-oriented activities. The stimulation will be triggered based on the achievement of the electromyographic (EMG) threshold of the selected muscles.
FES-based rehabilitation
Each subject will receive 15 individual sessions (45 minutes each, 3 times per week for 5 weeks) of task-based hand and arm exercises. Before movement execution, the TMS coil will be positioned over the hand areas of the primary motor cortex, but tilted away from the scalp so as to produce a sound similar to the real intervention, but at a low intensity, without inducing current in the cortex. FES will then be applied to assist the patient's voluntary movements during the task-oriented activities. The stimulation will be triggered based on the achievement of the electromyographic (EMG) threshold of the selected muscles.
Locations (2)
Fondazione Italiana Sclerosi Multipla
Genova, Italy, Italy
IRCCS "Santa Maria Nascente" - Fondazione Don Gnocchi
Milan, Italy, Italy