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Brain scans may reveal how lewy body dementia progresses

NCT ID NCT03582488

Knowledge-focused Sponsor: Kejal Kantarci 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 Results may not be published yet.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This status has not been confirmed recently, so it may be out of date.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 26, 2026 · Last updated Jun 27, 2026 · Updated 1 time

Summary

This study follows 135 people with Lewy body dementia over up to 5 years, using special PET scans to measure brain changes linked to memory and thinking decline. Researchers hope to find imaging markers that show how the disease progresses. Participants will have regular tests and scans, but no new treatment is being tested.

What this could mean

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

Active substance
18F-Flortaucipir and Pittsburgh Compound-B (PET imaging radioligands)
What this could lead to
If successful, this could help doctors predict how Lewy body dementia will progress and guide future treatment trials.
What could go wrong
This is an observational imaging study, not a treatment trial. It may not directly benefit participants, and results 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

Phase 4

Runs after approval, following long-term safety and how well the treatment works in everyday use.

Participants

About 135 people

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

Started

Jun 2018

Expected to finish

Sep 2027

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

18 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: * Diagnosis of probable DLB, at least 18 years of age, reliable informant who personally speaks with or sees the participant at least weekly, sufficiently fluent in English, must be willing and able to consent to the protocol and undergo up to 6 visits over 5 years, willing and able to undergo neuropsychological testing and no contraindication to MRI imaging. Exclusion Criteria: * Presence of another neurologic disorder which could impact findings, such as multiple sclerosis, brain tumors, etc., unwilling to return for follow-up yearly and undergo neuropsychological testing and MR imaging, if undergoing Tau imaging cannot have QT Prolongation, do not have a reliable informant.

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Conditions

The condition(s) this trial relates to.

Lewy body dementia Lewy Body Disease

As listed by the trial registrant

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

Lewy body disease

How to take part

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

  1. The places running it

    2 sites. 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

    Jacksonville, Florida, 32224, United States

  • Mayo Clinic

    Rochester, Minnesota, 55905, United States

More trials for these conditions

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