Could a gentle brain zap ease MS fatigue?
NCT ID NCT07438964
First seen Jun 24, 2026 · Last updated Jun 27, 2026 · Updated 1 time
Summary
This study tests whether a mild electrical current applied to the front of the brain for 20 minutes a day over five days can reduce central fatigue in people with relapsing-remitting multiple sclerosis. Researchers will use brain scans and blood tests to see if the stimulation changes inflammation and reward-related brain activity. The trial includes 84 participants and will follow up for four weeks after treatment.
What this could mean
Our plain-language read of the trial. This is informational only, not medical advice or a prediction.
- Active substance
- transcranial direct current stimulation (tDCS)
- What this could lead to
- If it works, this could point toward a non-drug treatment for central fatigue in multiple sclerosis.
- What could go wrong
- This is an early, small study (84 people) testing a short-term intervention. The effect may be small or not last, and fatigue is complex with many causes.
This is an AI summary of the original study and may miss details. Read our disclaimer.
Study facts
What this study's own registry entry says, in plain language.
- Phase
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Not a phased trial
Phase numbers describe drug development. The registry uses this when they do not apply, as it does for trials of devices, procedures or behaviour changes, and for observational studies.
- Participants
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About 84 people
The number the study aims to enrol. It can still change while the study runs.
- Expected to start
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Mar 2026
An estimate. Start dates often move.
- Expected to finish
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Jun 2028
An estimate. End dates often move.
- Lead sponsor
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Other sponsor
The registry's catch-all category, for sponsors it does not file as a company, a government agency, or a research network.
Who can take part
This study's own entry requirements. Only the study team can say for certain whether you qualify.
- Ages
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18 to 70 years
- Sex
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Anyone
- Healthy volunteers
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Not accepted
This study is not open to healthy volunteers. The entry requirements below say who it is open to.
Show the full entry requirements Hide the full entry requirements
Copied word for word from the study's registry entry, so the wording is the study team's rather than ours.
Inclusion Criteria: * Men and women * 18 - 70 years * Established MS diagnosis (relapsing-remitting MS; RRMS) prior to study inclusion * Maximal EDSS of 4 * Maximal disease duration 10 years * Existing health insurance * Stable or no treatment with disease modifying treatment (DMT) in last six months prior to study onset * Persons with RRMS and FSMC score ≥ 22 will be included in group "RRMS with fatigue" * Persons with RRMS and FSMC score \< 22 will be included in group "RRMS without fatigue" Exclusion Criteria: * • MRI contraindications * Known endocrine, immunologic, psychiatric, and neurologic disease (other than RRMS and Major Depressive Diosorder) * Current treatment with pharmaceuticals affecting monoaminergic functioning such as Levodopa, Amantadin, Fluoxetin, Paroxetin or antipsychotics * Relapse or treatment with steroids in last four weeks window prior to study onset * DMT other than B-cell depleting monoclonal antibodies or fumarates * Sleep disorder as assessed with Pittsburgh Sleep Quality Index
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Conditions
The condition(s) this trial relates to.
As listed by the trial registrant
The condition terms exactly as the trial's registrant entered them.
How to take part
Only the study team decides who joins. These are the ways to reach them.
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The places running it
1 site. The list below names each one and where it is.
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The official record
ClinicalTrials.gov lists the study team's own contact details, including names and phone numbers. We don't republish those.
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A doctor treating you
A doctor who knows your case can contact a study site on your behalf, and can tell you whether this study is worth pursuing at all.
Contacts and locations
Locations
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Charité Campus Mitte
RECRUITINGBerlin, State of Berlin, 10117, Germany
More trials for these conditions
Other studies related to the condition(s) this trial covers.
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- Can a common antihistamine boost multiple sclerosis treatment?
- Can exercise rebuild muscle and balance in MS?
- Can diet ease the crushing fatigue of multiple sclerosis?
- One-Time CAR-T infusion tested against progressive MS
- Can PET scans reveal hidden brain inflammation in MS?