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New brain scan may uncover Inflammation's role in Parkinson's

NCT ID NCT06084533

Knowledge-focused Sponsor: Washington University School of Medicine 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 Results may not be published yet.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This status has not been confirmed recently, so it may be out of date.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 looks at whether small amounts of brain inflammation contribute to movement and thinking problems in people with Parkinson disease. Researchers will use a new radioactive tracer called [11C]-CS1P1 in PET scans to measure inflammation in the brain. The study includes 80 volunteers aged 50 and older, both with and without Parkinson disease, to compare inflammation levels and see how they relate to symptoms.

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 80 people

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

Started

Jan 2024

Expected to finish

Feb 2029

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

A total of 50 participants with idiopathic PD and up to 30 healthy control participants are to be studied. Some of these participants will be recruited from existing research studies. Others will be recruited from the clinic, the community, and a registry of healthy volunteers.

Ages

50 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: * Parkinson Disease (PD) participants must be at least 50 years old and meet clinical diagnostic criteria of idiopathic PD. * Control participants must be at least 50 years old and not have PD, no first-degree family member with PD, and no evidence of PD or dementia on examination. Exclusion Criteria: * any history of other neurologic illness (e.g. stroke, seizure, multiple sclerosis) * history of brain surgery or major head trauma * major medical/systemic illness * severe psychiatric illness (e.g. bipolar disorder, schizophrenia) * major drug abuse * history of long term use of anti-dopaminergic medication * chronic treatment with immunomodulatory or anti-inflammatory medications * weight over 300 lbs * contraindication to or inability to tolerate MRI

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Conditions

The condition(s) this trial relates to.

Parkinson disease

As listed by the trial registrant

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

Parkinson 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

    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

  • Washington University School of Medicine

    St Louis, Missouri, 63105, United States

More trials for these conditions

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