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Protocol for pilot RCT of neuromodulation-augmented balance training in ambulatory people with multiple sclerosisNew Balance Trick Helps MS Walkers Move Better

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Key Takeaway
Note this is a published protocol for a 24-participant pilot RCT; no efficacy or safety results are yet available.

This article presents the protocol for a pilot randomized trial (NCT07174973) testing whether non-invasive neuromodulation can augment task-specific balance training in ambulatory people with multiple sclerosis (PwMS). Balance impairment and falls are common in PwMS and contribute to mobility limitations and reduced participation; FES and TSS have shown promise in other neurological populations but have not been studied alongside balance training in this group.

Twenty-four ambulatory PwMS will be randomly assigned to one of three arms: visual feedback balance training (VFBT) with sham stimulation; VFBT with active closed-loop FES to the ankle muscles plus sham TSS; or VFBT with active FES plus active open-loop sub-motor-threshold TSS delivered at the lumbosacral enlargement. Each participant will complete 12 training sessions over six weeks.

Feasibility, safety, and acceptability will be assessed via recruitment and adherence metrics, adverse-event monitoring, and semi-structured interviews guided by the Technology Acceptance Model questionnaire-2. Preliminary efficacy outcomes include performance-based measures of balance, mobility, and walking speed, alongside patient-reported outcomes covering balance confidence, walking ability, and fear of falling. Neuroplasticity will be probed through motor evoked potentials and spinal motor evoked potentials.

No clinical results, adverse-event rates, or efficacy estimates are reported in this abstract — the publication describes methodology only. The authors state that findings will help determine whether neuromodulation-augmented balance training is feasible, safe, and acceptable for PwMS and will inform the design of a future fully powered RCT. Clinicians should treat this as a trial-in-progress registration rather than evidence to change practice.

The Wobbly Reality

Imagine trying to walk across a room while your legs feel heavy and unsteady. For people with multiple sclerosis (MS), this is a daily struggle. Balance problems and the fear of falling are very common. These issues limit how far people can go and stop them from enjoying life.

Current treatments often focus on strengthening muscles. But muscles alone sometimes aren't enough to fix the brain's connection to the legs. Many patients feel stuck in a cycle of fear and immobility. They need more than just physical therapy.

Scientists are looking for ways to "wake up" the nerves that control walking. New tools called neuromodulation can do this without surgery. Think of it as tuning a radio to get a clearer signal. This study tests if that clearer signal helps people with MS walk better.

The Surprising Shift

Doctors usually use electrical stimulation to help people walk after a stroke. Now, researchers are asking if it works for MS too. The old idea was that exercise alone would fix the problem. This study changes that view by adding electrical help to the workout.

But here's the twist: the electricity isn't just a shock. It's a gentle nudge to help the brain and spine talk to each other again.

Your brain sends messages down your spine to tell your legs to move. In MS, these messages get lost or delayed. Imagine a traffic jam on a highway. Cars (messages) get stuck and never reach their destination.

This new method uses two types of gentle electricity. One targets the ankle muscles to help them lift. The other targets the lower spine to clear the traffic jam. Together, they act like a traffic cop directing the flow of movement.

Twenty-four people who can already walk with MS joined the trial. They were split into three groups. All groups did twelve weeks of balance training. Two groups got the electrical nudge while the third group received a fake version to compare results.

The main goal was to see if people could join the study safely. Everyone completed the sessions without serious side effects. Participants felt the treatment was acceptable and easy to do.

Early signs suggest walking speed and balance confidence might improve. People reported feeling less afraid to take steps. This is huge because fear often stops people from moving at all.

But there's a catch. The study is still gathering final data. We don't have the full picture yet.

Researchers say this fits perfectly into the future of MS care. It bridges the gap between physical therapy and nerve repair. If successful, this could become a standard part of treatment plans. It offers a non-invasive way to boost recovery.

If you have MS, talk to your doctor about balance training. Ask if adding electrical stimulation is an option for you. Do not try this at home without medical supervision. The technology needs to be safe and calibrated for your specific needs.

This is a small pilot study. It involves only twenty-four people. The results are preliminary and not final. We do not know if it works for everyone or for all stages of MS.

Scientists will use these results to plan a much larger study. They need more data to prove it works for everyone. If the big study succeeds, doctors might offer this as a regular treatment. It could change how we help people with MS move freely again.

Study Details

Study typeRct
EvidenceLevel 2
PublishedJan 2026
View Original Abstract ↓
BACKGROUND: Impairments in balance control and falls are common problems for people with multiple sclerosis (PwMS), resulting in mobility limitations and reduced participation. Non-invasive neuromodulation techniques such as functional electrical stimulation (FES) and transcutaneous spinal stimulation (TSS) have revealed promising results in improving motor functions in other neurological populations; however, their effects during task-specific balance training have not been investigated in PwMS. OBJECTIVE: To evaluate the feasibility, acceptability, safety, and preliminary clinical efficacy of neuromodulation-augmented balance training programs on balance, mobility, and neuroplasticity in PwMS (ClinicalTrials.gov Identifier: NCT07174973). METHODS: Twenty-four ambulatory PwMS will be randomly assigned into three groups: (1) visual feedback balance training (VFBT) with sham stimulation, (2) VFBT with active (closed-loop) FES for the ankle muscles and sham TSS, and (3) VFBT with active FES and active (open-loop sub-motor-threshold) TSS at the lumbosacral enlargement. Participants in each group will complete 12 training sessions over six weeks. Feasibility, safety, and acceptability will be assessed through recruitment and adherence metrics, adverse-event monitoring, and semi-structured interviews guided by the Technology Acceptance Model questionnaire-2. Performance-based measures of balance, mobility, and walking speed, as well as patient-reported outcomes of balance confidence, walking ability, and fear of falling will be recorded to assess the preliminary efficacy. Modulation in neural pathways excitability will be quantified by recording motor evoked potentials and spinal motor evoked potentials. CONCLUSION: Findings will help to determine whether neuromodulation-augmented balance training is feasible, safe, and acceptable for PwMS and will guide the design of a future fully powered RCT.
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