Validating staging systems for amyotrophic lateral sclerosis

Staging System in Amyotrophic Lateral Sclerosis

Observational University Hospital, Limoges · NCT04858555

This study is trying to see if two new ways to track the progression of ALS can help doctors understand how the disease affects patients over time.

Quick facts

Study typeObservational
Enrollment50 (estimated)
SexAll
SponsorUniversity Hospital, Limoges Academic / other
Locations2 sites (Limoges and 1 other locations)
Trial IDNCT04858555 on ClinicalTrials.gov

What this trial studies

This study aims to validate two proposed staging systems for amyotrophic lateral sclerosis (ALS) based on clinical milestones and to assess the role of neurofilament biomarkers in predicting neurological decline. It will involve an independent cohort of ALS patients followed at the ALS expert center in Limoges, France. The research seeks to improve understanding of ALS progression and disease activity through accurate staging and biomarker analysis.

Who should consider this trial

Good fit: Ideal candidates for this study are individuals diagnosed with amyotrophic lateral sclerosis who were recruited between 2007 and 2016 or those prospectively recruited by the ALS expert center in Limoges.

Not a fit: Patients with a history of neurosurgical operations, recent neurotrauma, peripheral neuropathies, or ALS/frontotemporal dementia may not benefit from this study.

Why it matters

Potential benefit: If successful, this study could lead to improved staging and management of ALS, enhancing patient care and treatment outcomes.

How similar studies have performed: Previous studies have tested these staging systems in independent cohorts, but results were inconsistent, indicating the need for further validation.

Eligibility criteria

Show full inclusion / exclusion criteria
Inclusion Criteria:

* ALS cases recruited for retrospectively (between) 2007 to 2016 for the retrospective cohort
* ALS cases recruited for prospectively by the ALS expert center of Limoges for one year.

Exclusion Criteria:

* Previous neurosurgical operations
* A recent history of neurotrauma
* Peripheral neuropathies
* ALS/frontotemporal dementia (ALS/FTD)

Where this trial is running

Limoges and 1 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 Amyotrophic Lateral SclerosisALSStagingBiomarker
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.