Brain shrinkage as a crystal ball for MS progression?
NCT ID NCT07753928
First seen Aug 10, 2026 · Last updated Sep 01, 2026 · Updated 4 times
Summary
This observational study follows about 2,400 people with relapsing-remitting multiple sclerosis (MS) across Germany for up to six years. It asks whether loss of volume in the thalamus—a deep brain region—tracks with worsening disability, measured by the EDSS scale. Using standard MRI scans and deep-learning analysis, researchers will compare changes in brain volume to changes in disability over time. No extra procedures are required beyond routine care, and the goal is to see if thalamus shrinkage could serve as a reliable marker of disease progression.
What this could mean
Our plain-language read of the trial. This is informational only, not medical advice or a prediction.
- What this could lead to
- If confirmed, measuring thalamus volume on routine MRI could help predict disability progression in MS, guiding earlier or more personalized treatment decisions.
- What could go wrong
- This is an observational study, so it cannot prove cause and effect. The association may not hold across all patients, and MRI measures can vary between centers and over time.
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.
- Participants
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About 2,400 people
The number the study aims to enrol. It can still change while the study runs.
- Started
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Jul 2022
- Expected to finish
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Jun 2033
An estimate. End dates often move.
- Lead sponsor
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A company
The lead sponsor is a pharmaceutical, biotech, or medical-device company.
Who can take part
This study's own entry requirements. Only the study team can say for certain whether you qualify.
Who is studied
Adults with relapsing-remitting MS who are regularly seen by neurologists in an outpatient setting, sampled at approximately 40 clinical centers across Germany and other European countries.
- Ages
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18 to 55 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: General: Patients aged 15 to 55 with MS diagnosed by the revised 2017 McDonald criteria; ACTIVE MS group: a) Meet one disease-activity criterion: more than 10 T2 lesions at the first visit, OR at least one documented relapse in the 12 months before the first visit, OR ≥1 Gd-enhancing lesion on brain MRI in the prior 12 months, OR ≥1 new or enlarging T2 lesion in the prior 12 months. b) Receiving or about to receive first-line immune therapy (as first or second DMT), e.g., teriflunomide, ozanimod, dimethylfumarate, ponesimod, diroximelfumarate; or receiving or about to receive second-line therapy after prior first-line DMT (e.g., monoclonal antibodies); PROGRESSIVE MS group: a) no relapses in the last two years and progressive disease defined clinically (disability worsening) or by imaging (abnormal whole-brain volume loss); b) participants initially in the active group may switch to the progressive group if they later meet its criteria. Exclusion Criterion: Not eligible to receive MRI.
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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
2 sites. The list below names each one and where it is.
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The official record
The full official record for this study. This one lists no contact details, but it is the first place any would appear.
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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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Multiple Faculties
Multiple Locations, Germany
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Universitätsklinikum Carl Gustav Carus an der Technischen Universität Dresden
Dresden, 01307, Germany
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