Den här översättningen är inte klar ännu. Den här sidan är just nu på engelska.

Gå till den engelska sidan

Cure My Disease

Don't miss your cure!

 Log in / Sign up

Blood test could detect Alzheimer's years before symptoms worsen

NCT ID NCT07401849

Diagnosis Sponsor: Imperial College London Source: ClinicalTrials.gov ↗

What the study statuses mean

This study's is highlighted.

Recruitment status, easiest to join first

Recruiting now
This trial is taking on new participants right now.
Not yet recruiting This study
Registered, but not yet taking participants.
By invitation only
Not open to general applications. Only people the study team invites can take part.
Paused
Paused for now. It may or may not start again.
Ongoing
Running, but no longer taking on new participants.
Completed
The trial has finished. Results may not be published yet.
Stopped early
Stopped early, before it reached the end. That can be for many reasons, including safety.
Cancelled
Cancelled before anyone took part.

Expanded access (not trials)

Expanded access
Not a trial. This treatment can be requested outside a study, case by case, for people who qualify.
Expanded access (paused)
Not a trial. The treatment can normally be requested outside a study, but is unavailable right now.
Expanded access (ended)
Not a trial. The treatment could once be requested outside a study, but no longer can.
Approved
The treatment has been approved, so it is available normally rather than through this programme.

When the status isn't known

Details not published
The full record has not been published yet, so there is little to show here.
Status unknown
This status has not been confirmed recently, so it may be out of date.

First seen Jun 27, 2026 · Last updated Jun 27, 2026

Summary

This study will check if a blood test can find signs of Alzheimer's disease in people with early memory concerns. Researchers will test 1,000 adults aged 55 and older in primary care. The goal is to see if blood markers for amyloid and tau proteins match those found in spinal fluid, which is the current gold standard for diagnosis.

What this could mean

Our plain-language read of the trial. This is informational only, not medical advice or a prediction.

Active substance
blood test for amyloid and tau proteins
What this could lead to
If successful, this blood test could allow doctors to detect Alzheimer's disease earlier and more easily, potentially leading to earlier care and planning.
What could go wrong
This is an observational study, not a treatment trial. The test may not be accurate enough for routine use, and results may not change patient outcomes.

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.

Participants

About 1,000 people

The number the study aims to enrol. It can still change while the study runs.

Expected to start

Feb 2026

An estimate. Start dates often move.

Expected to finish

Nov 2026

An estimate. End dates often move.

Lead sponsor

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.

Who is studied

Eligible patients from 124 GP surgeries England.

Ages

55 years and older

Sex

Anyone

Healthy volunteers

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

Copied word for word from the study's registry entry, so the wording is the study team's rather than ours.

Inclusion Criteria: * Age 55 years and above * Presence of self-reported symptoms indicative of cognitive decline or concerns family members/partners indicative of cognitive decline * Capacity to consent * Be fluent in and able to read and write in English and have adequate hearing and visual acuity to complete the required psychometric tests. Exclusion Criteria: * Insufficient vision and hearing * Prior diagnosis of ADRD. Prior diagnosis of Alzheimer's disease or related dementia (with or without evidence of pathology), through clinical diagnosis and/or as documented in their medical record * Pre-existing diagnosis of dementia * Incidental findings of brain pathologies on brain MRI, such as cancerous space occupying lesions and clinically significant vascular malformations and recent (within 12 months) macro-infarcts, that are, also exclusionary * Contraindication for Lumbar Puncture * Involvement in interventional research study within 3 months prior to screening * For any other reason, in the opinion of the Investigator, participating in the study is not in the best interest of the patient.

Get updates

Get notified about this study

Sign up to get updates when this study changes or when new studies for Alzheimer disease are added.

Vår säkerhetsrekommendation!

Genom att skicka in godkänner du våra Användarvillkor

Conditions

The condition(s) this trial relates to.

Alzheimer disease Cognitive Dysfunction

As listed by the trial registrant

The condition terms exactly as the trial's registrant entered them.

Alzheimer disease Biomarker in early diagnosis Biomarkers / blood Mild cognitive impairment (MCI)

How to take part

Only the study team decides who joins. These are the ways to reach them.

  1. The official record

    ClinicalTrials.gov lists the study team's own contact details, including names and phone numbers. We don't republish those.

    Open the record ↗

  2. 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.

More trials for these conditions

Other studies related to the condition(s) this trial covers.