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New imaging study probes brain inflammation in dementia

NCT ID NCT04786223

Knowledge-focused Sponsor: Val Lowe 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
Registered, but not yet taking participants.
By invitation only This study
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 Results may not be published yet.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This status has not been confirmed recently, so it may be out of date.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 uses special PET/CT scans to measure inflammation in the brains of people with Alzheimer's disease or Lewy body dementia. Researchers want to see if brain inflammation is linked to memory decline and other dementia symptoms. The study also tests a new radioactive tracer for safety. About 125 people aged 60 and older will take part.

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

Phase 2

Tests whether the treatment actually works, and watches for side effects, in a larger group.

Participants

About 125 people

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

Started

Mar 2021

Expected to finish

Mar 2030

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

60 years and older

Sex

Anyone

Healthy volunteers

Accepted

You do not need to have the condition being studied to take part.

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: * Males or females 60 years of age or older. * Meet the requirements for one of the five groups (CU A-, CU A+, MCI A+, AD A+, MCI-LB or DLB). * Neurologic evaluation procedures with testing in the MCSA, ADRC, Longitudinal Imaging Biomarkers of Prodromal and Overt DLB studies or Mayo Clinic Behavioral Neurology Practice. Must have had or plan to have at least 2 testing sessions. * All participants must have or plan to have an amyloid PiB PET scan and MRI brain scan within approximately 6 months of the first ER176 PET/CT scan. Participants undergoing an optional additional ER176 scan are preferred, but not required, to have or plan to have an amyloid PiB PET scan and MRI brain scan within approximately 6 months of the second ER176 PET/CT scan. * Capacity to sign consent or have a legally authorized representative to sign the consent. Exclusion Criteria: * Participants unable to lie down without moving for 20 minutes. * Women who are pregnant or cannot stop breast feeding for 24 hours. * Actively taking daily anti-inflammatory medications (NSAIDs, corticosteroids, etc.) except for a small control group. * Generalized inflammatory condition and treatment with immunosuppressive, corticoid/glucocorticoid, steroidal or non-steroidal anti-inflammatory medication within 2 weeks of scanning (only acute medication use as an exclusion so as to limit medication interaction but preserve possible chronic systemic inflammation interaction). * Standard safety exclusionary criteria for MRI such as metallic foreign bodies, pacemaker, etc., since the quantitative PET data analysis is based on anatomic criteria that are established uniquely for each subject by registration to his/her MRI.

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Conditions

The condition(s) this trial relates to.

Alzheimer disease Lewy body dementia Lewy Body Disease Neuroinflammatory Diseases

As listed by the trial registrant

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

Alzheimer dementia (AD) Alzheimer disease Lewy body dementia (LBD) Lewy body's dementia

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

    The full official record for this study. This one lists no contact details, but it is the first place any would appear.

    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

  • Mayo Clinic in Rochester

    Rochester, Minnesota, 55905, United States

More trials for these conditions

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