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Brain scans reveal hidden thinking types in Parkinson's

NCT ID NCT01792843

Knowledge-focused Sponsor: University Hospital, Lille 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
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 This study
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 Results may not be published yet.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This status has not been confirmed recently, so it may be out of date.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 looked at 158 people with Parkinson's disease to see if different thinking patterns are linked to differences in brain structure and activity. Researchers grouped participants based on their cognitive profiles and compared brain scans and EEG readings. The goal was to better understand why Parkinson's affects thinking in varied ways, which could help tailor future treatments.

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

158 people

The number who actually took part.

Start date

Jan 2013

Finished

Dec 2014

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

Patients with Parkinson's disease, according to international criteria, irrespective of their disease stage or their current antiparkinsonian medication

Ages

18 to 80 years

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: * Males or females; * 18 to 80 years; * Parkinson's disease, according to international criteria; * Without neurological co-morbidity; * Benefiting from health insurance; * Having read and understood the information form and having signed the consent form. Exclusion Criteria: * Pregnant or breastfeeding women; * Parkinsonian syndrome other than PD; * Currently participating in an other clinical trial or study; * Patient whose physical or mental condition is incompatible with the study assessments; * Person under tutorship or curatorship; * Subjects with claustrophobia * Subjects carrying incompatible metallic devices such as pacemakers and certain mechanical valves * PD patients treated by deep brain stimulation

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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

Contacts and locations

Locations

  • Maastricht University Medical Centre

    Maastricht, Netherlands

More trials for these conditions

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