Analysis of patients with GAD antibodies and cerebellar ataxia

Retrospective Analysis of the French National Cohort of Patients With GAD Antibodies and Cerebellar Ataxia

Hospices Civils de Lyon · NCT06334900

This study looks at patients with GAD antibodies and cerebellar ataxia to see how these antibodies might be causing symptoms like confusion and muscle stiffness.

Quick facts

Study typeObservational
Enrollment100 (estimated)
Ages18 Years and up
SexAll
SponsorHospices Civils de Lyon (other)
Locations1 site (Bron)
Trial IDNCT06334900 on ClinicalTrials.gov

What this trial studies

This observational study analyzes data from the French National Cohort of patients who have GAD-receptor antibodies associated with cerebellar ataxia. It focuses on understanding the neurological conditions linked to high levels of GAD65 antibodies, which can lead to symptoms such as confusion, memory loss, and muscle stiffness. The study aims to identify the autoimmune causes of these symptoms by examining serum and cerebrospinal fluid samples for specific antibody markers. By retrospectively analyzing patient data, the study seeks to enhance the understanding of GAD antibody-related neurological disorders.

Who should consider this trial

Good fit: Ideal candidates for this study are patients exhibiting neurological symptoms associated with GAD antibodies and diagnosed with cerebellar ataxia.

Not a fit: Patients who have tested positive for other antibodies or lack sufficient data may not benefit from this study.

Why it matters

Potential benefit: If successful, this study could improve diagnosis and treatment strategies for patients with GAD antibody-related neurological conditions.

How similar studies have performed: Other studies have shown success in understanding autoimmune neurological conditions related to GAD antibodies, indicating that this approach is supported by existing research.

Eligibility criteria

Show full inclusion / exclusion criteria
Inclusion Criteria:

* neurological symptoms with GAD antibody
* GAD antibody in sera and/or CSF
* patient with cerebellar ataxia

Exclusion Criteria:

* tested positive to another antibody.
* no data
* any test in paraneoplastic neurological syndrome and autoimmune encephalitis center

Where this trial is running

Bron

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.

View on ClinicalTrials.gov →

Conditions: GAD-receptor Antibodies-associated Encephalitis

Last reviewed 2026-05-15 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.