Using FDG-PET to diagnose autoimmune encephalitis

FDG-PET in the Diagnosis of Autoimmune Encephalitis

Observational University of Milano Bicocca · NCT06019975

This study is testing if brain scans can help doctors tell the difference between autoimmune encephalitis and other conditions like Alzheimer's disease.

Quick facts

Study typeObservational
Enrollment90 (estimated)
SexAll
SponsorUniversity of Milano Bicocca Academic / other
Locations6 sites (Udine, Friuli Venezia Giulia and 5 other locations)
Trial IDNCT06019975 on ClinicalTrials.gov

What this trial studies

This observational study aims to compare brain FDG-PET imaging of patients diagnosed with autoimmune encephalitis against normal controls and patients with Alzheimer's disease. By retrospectively analyzing data and images from hospital records, the study seeks to identify specific patterns of brain metabolism associated with autoimmune encephalitis. Participants will have undergone brain imaging, cerebrospinal fluid analysis, and autoantibody testing as part of their clinical evaluation. The study will utilize statistical parametric mapping (SPM) for image analysis, with control data sourced from validated public databases.

Who should consider this trial

Good fit: Ideal candidates for this study are individuals diagnosed with autoimmune encephalitis who have undergone the necessary clinical evaluations.

Not a fit: Patients who refuse to give consent for the study will not benefit from this research.

Why it matters

Potential benefit: If successful, this study could lead to improved diagnostic accuracy for autoimmune encephalitis, facilitating timely and appropriate treatment for affected patients.

How similar studies have performed: While the use of FDG-PET in diagnosing various neurological conditions has been explored, this specific application in autoimmune encephalitis is relatively novel and has not been extensively tested.

Eligibility criteria

Show full inclusion / exclusion criteria
Inclusion Criteria:

* Diagnosis of autoimmune encephalitis according to clinical criteria
* Brain magnetic resonance imaging performed between clinical presentation and treatment
* Cerebrospinal fluid analysis performed between clinical presentation and treatment
* Brain FDG-PET performed between clinical presentation and treatment
* Autoantibodies testing performed between clinical presentation and treatment

Exclusion Criteria:

* Refusal to give consent for the study

Where this trial is running

Udine, Friuli Venezia Giulia and 5 other locations

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 Autoimmune EncephalitisFDG-PETSPM
Last reviewed 2026-06-09 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.