Could a simple blood test unlock ALS weight loss mystery?
NCT ID NCT06147843
First seen Jun 27, 2026 · Last updated Aug 07, 2026 · Updated 2 times
Summary
This study is looking for biological clues in the blood that explain why many people with ALS lose weight. Researchers will follow 1,000 patients in France and Germany, collecting blood samples and questionnaires alongside standard care. The goal is to find markers that could lead to new treatments to prevent weight loss and improve survival.
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 study could identify the causes of weight loss in ALS, pointing toward new treatments to improve survival and quality of life.
- What could go wrong
- This is an observational study, not a treatment trial. It may not directly lead to a therapy, and results may take years to translate into clinical practice.
This is an AI summary of the original study and may miss details. Read our disclaimer.
Study facts
What this study's own registry entry says, in plain language.
- Phase
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Not a phased trial
Phase numbers describe drug development. The registry uses this when they do not apply, as it does for trials of devices, procedures or behaviour changes, and for observational studies.
- Participants
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About 1,000 people
The number the study aims to enrol. It can still change while the study runs.
- Started
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Sep 2024
- Expected to finish
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Sep 2029
An estimate. End dates often move.
- Lead sponsor
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Other sponsor
The registry's catch-all category, for sponsors it does not file as a company, a government agency, or a research network.
Who can take part
This study's own entry requirements. Only the study team can say for certain whether you qualify.
- Ages
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18 years and older
- Sex
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Anyone
- Healthy volunteers
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Not accepted
This study is not open to healthy volunteers. The entry requirements below say who it is open to.
Show the full entry requirements Hide the full entry requirements
Copied word for word from the study's registry entry, so the wording is the study team's rather than ours.
Inclusion Criteria: * Incident cases included at the time of diagnosis with a definite, probable, probable laboratory-supported, or possible ALS according to El Escorial revised criteria and Gold Coast criteria for early diagnosis. * Incident ALS cases identified and followed-up in the participant ALS \& Other Motor Neuron Diseases Referral Centres: seven in France and two in Germany. * Patients who signed the informed consent form. * Adults aged \>18 years old Exclusion Criteria: * Inability to understand the requirements of the protocol. * Cognitive inability to sign and comprehend the informed consent form. * Patients who will not accept Riluzole therapy during their follow-up.
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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.
How to take part
Only the study team decides who joins. These are the ways to reach them.
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The places running it
9 sites in 2 countries. The list below names each one and where it is.
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The official record
ClinicalTrials.gov lists the study team's own contact details, including names and phone numbers. We don't republish those.
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A doctor treating you
A doctor who knows your case can contact a study site on your behalf, and can tell you whether this study is worth pursuing at all.
Contacts and locations
Locations
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CHU de Lille
RECRUITINGLille, 59037, France
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CHU de Nice
RECRUITINGNice, 06001, France
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CHU de Tours
RECRUITINGTours, 37044, France
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Hôpital Gui Chauliac
RECRUITINGMontpellier, 34295, France
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Hôpital de la Pitié Salpêtrière
RECRUITINGParis, 75013, France
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Hôpital de la Timone
RECRUITINGMarseille, 13005, France
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Klinik für Medizinische Hochschule Hannover Carl-Neuberg-Str. 1
NOT_YET_RECRUITINGHanover, Allemagne, 30625, Germany
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Klinik für Neurologie, Universitäts- und Rehabilitationskliniken Ulm (RKU
NOT_YET_RECRUITINGUlm, Allemagne, 89081, Germany
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Limoges University Hospital
RECRUITINGLimoges, 87042, France
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