Observational study on Radiologically Isolated Syndrome and Multiple Sclerosis

The Radiologically Isolated Syndrome International Cohort

Observational Centre Hospitalier Universitaire de Nice · NCT05388331

This study looks at people with Radiologically Isolated Syndrome to see how their brain changes over time and if these changes might lead to Multiple Sclerosis.

Quick facts

Study typeObservational
Enrollment1000 (estimated)
SexAll
SponsorCentre Hospitalier Universitaire de Nice Academic / other
Locations1 site (Nice)
Trial IDNCT05388331 on ClinicalTrials.gov

What this trial studies

This observational study focuses on individuals with Radiologically Isolated Syndrome (RIS), characterized by white matter abnormalities detected through MRI without prior neurological symptoms. The study aims to track the progression of these abnormalities and identify factors that may predict the development of clinical demyelinating events. Participants will undergo regular monitoring to assess any changes in their neurological status over time. The study is part of a larger effort to understand the natural history of RIS and its potential progression to Multiple Sclerosis.

Who should consider this trial

Good fit: Ideal candidates are asymptomatic individuals with white matter T2 lesions suggestive of demyelination and a normal neurological exam.

Not a fit: Patients with abnormal neurological exams or those with other diseases explaining their MRI lesions may not benefit from this study.

Why it matters

Potential benefit: If successful, this study could enhance early detection and management strategies for patients at risk of developing Multiple Sclerosis.

How similar studies have performed: Previous studies have shown that a significant percentage of individuals with RIS may progress to clinical demyelinating events, indicating that this area of research is both relevant and potentially impactful.

Eligibility criteria

Show full inclusion / exclusion criteria
Inclusion Criteria:

* white matter T2 lesions suggestive of demyelination
* asymptomatic
* normal neurological exam

Exclusion Criteria:

* abnormal neurological exam,
* suspicion of another disease explaining MRI lesions.

Where this trial is running

Nice

Study contacts

How to participate

  1. Review the eligibility criteria above with your treating physician.
  2. Visit the official trial page on ClinicalTrials.gov for the most current contact information and recruitment status.
  3. Contact the listed study coordinator or principal investigator to request pre-screening. Pre-screening is free and never obligates you to enroll.
Conditions Multiple SclerosisRadiologically Isolated Syndrome
Last reviewed 2026-06-15 by the Find a Trial editorial team. Information on this page is for educational purposes and is not medical advice. Always consult qualified healthcare professionals about clinical trial participation.