Blood samples could unlock secrets of rare brain diseases

NCT ID NCT04698421

First seen Jun 25, 2026 · Last updated Jun 27, 2026 · Updated 1 time

Summary

This study collects blood samples from 1000 people with rare neurological diseases that may be autoimmune. Researchers will use the samples to find new biomarkers and autoantibodies, which could help diagnose and treat these conditions in the future. Participants give extra blood during routine visits, and no experimental treatment is given.

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 successful, this could help identify new biomarkers and autoantibodies, pointing toward better diagnostics and treatments for rare neurological diseases.
What could go wrong
This is an observational sample collection study, not a treatment trial. It may not directly lead to new therapies, and results depend on future research.

This is an AI summary of the original study and may miss details. Read our disclaimer.

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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.

Contacts and locations

Locations

  • Purpan University Hospital

    RECRUITING

    Toulouse, 31059, France

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Other studies related to the condition(s) this trial covers.