NCT Number: NCT06432686
Transcutaneous Electrical Nerve Stimulation (TENS) is a treatment that could potentially reduce walking problems and fatigue in persons with Multiple Sclerosis. However, extensive use of TENS in a clinical setting is hindered by a lack of neurophysiological understanding of the effects of TENS. The primary objective of this pilot study is therefore to investigate the effects of TENS on brain activity in pwMS measured with fMRI.
Trial opening soon.
Get Notified18 year–65 year
All sexes
Interventional
Not applicable
This study is an exploratory study to see if we can detect changes in fMRI activity during TENS in persons with MS. This is a randomized, single-blind crossover design. Subjects will undergo an MRI scan while they receive sham stimulation of the tibialis anterior, active stimulation of the tibialis anterior, stimulation of the quadriceps, perform continuous movements of the foot (plantar & dorsiflexion) and a combination of stimulation of the tibialis anterior and movement of the foot. This study will include 15 subjects with relapsing remitting or progressive MS and 15 healthy controls. Blood-oxygen-level-dependent (BOLD) activation changes and the interaction networks before, during and after active TENS and differences in activation due to stimulation on quadriceps vs. tibialis anterior, stimulation on tibialis anterior vs plantar/dorsiflexion and stimulation on tibialis anterior vs stimulation combined with plantar/dorsiflexion. This will be compared between pwMS and healthy controls. This study can add to the limited knowledge and possibly help to personalize and implement TENS in the clinic.
Healthy volunteers accepted: Yes
Only the study team can determine whether someone qualifies for participation.
Inclusion criteria
Exclusion criteria
Transcutaneous electrical nerve stimulation (TENS) is a safe, relatively cheap, and non-painful stimulation of the peripheral sensory and motor nerves. The stimulator is easy to operate and pwMS can apply the stimulation themselves at home. This makes TENS an interesting tool to augment sensory input. A high frequency and long pulse duration is used.
Participants are instructed to perform plantar- and dorsi-flexion contraction in a relatively slow tempo. The movement of the ankle is measured by an MRI-compatible potentiometer and participants receive feedback of this movement on the screen inside the scanner.
Time frame: 1 hour fMRI scan
Blood level detection activation (BOLD) changes and interaction networks before, during and after active TENS and differences in activation due to stimulation on quadriceps vs. tibialis anterior, stimulation on tibialis anterior vs plantar/dorsiflexion and stimulation on tibialis anterior vs stimulation combined with plantar/dorsiflexion. We focus on the thalamus (integration station of sensory input), sensory cortex (sensory awareness) and motor cortices (sensorimotor integration).
Contact information is provided by the study sponsor or research team.
University Medical Center Groningen
Other
Neurophysiological Effects of Transcutaneous Electrical Nerve Stimulation in Persons With MS - a Pilot Study
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