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Could your Pre-Illness personality shape your brain disease symptoms?

NCT ID NCT06059313

Knowledge-focused Sponsor: Nantes University Hospital Source: ClinicalTrials.gov ↗

What the study statuses mean

This study's is highlighted.

Recruitment status, easiest to join first

Recruiting now This study
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
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 Results may not be published yet.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This status has not been confirmed recently, so it may be out of date.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 30, 2026 · Updated 2 times

Summary

This study examines whether a person's personality traits before they got sick are linked to the thinking and behavior problems seen in certain brain disorders. Researchers will ask caregivers about the patient's personality from the 10 years before the illness started. The goal is to better understand why symptoms vary so much from person to person.

What this could mean

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

What this could lead to
If successful, this could help doctors understand why some people develop certain symptoms, potentially leading to earlier or more personalized care.
What could go wrong
This is an observational study, not a treatment trial. It may not find clear links, 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.

Participants

About 120 people

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

Started

Dec 2023

Expected to finish

Dec 2026

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

The study will be conducted among eligible patients with bvFTD, fvAD, phFTD, followed to Memory Resource and Research Centre at Nantes university Hospital CMRR or referred to the department for a neuropsychological assessment (bipolar disorder). It will prospectively enroll 120 participants.

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 : * Patients with behavioral variant of frontotemporal disorder (bvFTD) according to Rascovsky criteria (2011) or patients with phénocopy frontotemporal dementia (phFTD) who fulfill criteria for possible bvFTD and have no imaging abnormalities or patients with frontal variant of Alzheimer disease according to Ossenkopele criteria (2022), or patient with bipolar disorder according to CIM 10 criteria * Score for Mini-mental state examination ≥ 18 * Patient with caregiver who has who has known him/her in the 10 years preceding the disease onset. * Patient and caregiver consents (no opposition) Exclusion Criteria : * Patient with no caregiver * Pregnant or breast feeding women

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Conditions

The condition(s) this trial relates to.

Alzheimer disease behavioral variant of frontotemporal dementia bipolar disorder

As listed by the trial registrant

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

Behavioral variant of frontotemporal disorder (BVFTD) Bipolar disorder Frontal variant of Alzheimer disease Phenocopy frontotemporal dementia (PHFTD)

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

  • CHU de Nantes

    RECRUITING

    Nantes, France

More trials for these conditions

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