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Could Low-Dose radiation slow Alzheimer's? new trial aims to find out

NCT ID NCT07564700

Disease control Sponsor: Heinrich-Heine University, Duesseldorf 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 Results may not be published yet.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This status has not been confirmed recently, so it may be out of date.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 tests whether low-dose radiation to the whole brain can slow down Alzheimer's disease in people with early-onset symptoms. Fifty participants will be randomly assigned to receive either the radiation treatment or a sham procedure. Researchers will track changes in memory and thinking over six months to see if the treatment is safe and effective.

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

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

About 50 people

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

Expected to start

May 2026

An estimate. Start dates often move.

Expected to finish

May 2028

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.

Ages

50 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: Alzheimer's diagnosis according to ICD-10 Ability to understand the clinical study and provide informed consent Early-onset disease Age older than 50 years Stable treatment with anti-dementia medication for at least 3 months Exclusion Criteria: * Prodromal Alzheimer's disease Mild cognitive impairment (MCI) Severe psychiatric disorders that could interfere with participation in the study Unstable or recently changed medication therapy Other neurodegenerative diseases or severe neurological disorders Uncontrolled chronic diseases that could increase the risk of complications Previous therapeutic brain irradiation Evidence of vascular cognitive impairment on MRI (Fazekas score \>1 and Wahlund score ≥10/30) Oncological disease (except skin cancer), active or in remission for less than 5 years Evidence of substance abuse (alcohol and/or other drugs) with dependence within the last 12 months (DSM-IV criteria) Active or recent (within 3 months) cerebral infection or hemorrhage Immunocompromised status History of seizures Dermatological scalp disease Women who are pregnant, breastfeeding, or planning to become pregnant during the study period Patient has a history of cancer (except non-melanoma skin cancer) Patient is taking antiepileptic medication Patient and legally authorized representative are unable to provide informed consent Patient with a history of focal neurological deficits (except vibratory peripheral neuropathy)

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Conditions

The condition(s) this trial relates to.

Alzheimer disease early-onset autosomal dominant Alzheimer disease

As listed by the trial registrant

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

Alzheimer disease (AD) Early-onset Alzheimer disease

How to take part

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

  1. The places running it

    1 site. The list below names each one and where it is.

  2. 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 ↗

  3. 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

  • Klinik für Strahlentherapie und Radioonkologie

    Düsseldorf, North Rhine-Westphalia, 40225, Germany

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