Blood tests may reveal earliest signs of Alzheimer's
NCT ID NCT06880406
First seen Jun 27, 2026 · Last updated Jun 27, 2026
Summary
This study looks at early changes in mitochondria (the energy centers of cells) and metabolic markers in blood cells of people with Alzheimer's or related dementias. Researchers will compare these measures between those with and without Alzheimer's to find clues about how the disease starts. The goal is to better understand the disease process and identify potential early warning signs.
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 identify early biological markers for Alzheimer's, potentially leading to earlier diagnosis or new treatment targets.
- What could go wrong
- This is an observational study, not a treatment trial. It may not directly lead to therapies, and findings may not apply to all patients.
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 250 people
The number the study aims to enrol. It can still change while the study runs.
- Started
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Jul 2025
- Expected to finish
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Apr 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: * Neurocognitive disorder with spontaneous complaint or reported for at least 6 months * Diagnostic process according to current Haute Autorité de Santé (HAS) recommendations. * cerebrospinal fluid biomarker dosage done within the study center and agreement to bio-collection of residual cerebrospinal fluid * Patient having agreed to sign the informed consent * Patient affiliated or beneficiary of a social security scheme For alzheimer group : diagnosis of Alzheimer's disease according to NIA-AA 2024 criteria (presence of a pathogenic amyloid process in the cerebrospinal fluid) For non alzheimer group : diagnosis of mild or major neurocognitive disorder according to Manuel diagnostique et statistique des troubles mentaux edition 5 (DSM-V) criteria, not linked to Alzheimer's disease (absence of pathogenic amyloid process in the cerebrospinal fluid) For healthy volonteers: * Adult patients * No history of neurological or psychiatric disorders * No complaints of memory problems or cognitive impairment * Mini-Mental State Examination (MMSE) score ≥ 27/30 * Clinical Dementia Rating - Sum of Boxes (CDR-SOB) equal to 0 * Patient affiliated with or covered by a social security scheme Exclusion Criteria: \- Vulnerable people
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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
1 site. 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 Nice
RECRUITINGNice, PACA, 06000, France
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