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Blood inflammation may hold clues to psychiatric diagnosis

NCT ID NCT05934474

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

What the study statuses mean

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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 Results may not be published yet.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This status has not been confirmed recently, so it may be out of date.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 Jul 29, 2026 · Last updated Jul 30, 2026 · Updated 1 time

Summary

This study investigates whether markers of inflammation in the blood could serve as diagnostic or severity biomarkers across several psychiatric conditions, including bipolar disorder, schizophrenia, and depressive episodes with psychotic features. Researchers will collect blood samples and symptom assessments from 50 adults under psychiatric care at a French hospital. The goal is to identify common inflammatory patterns that might improve diagnosis and treatment monitoring.

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 point toward blood-based biomarkers to help diagnose and assess severity of certain psychiatric disorders.
What could go wrong
This is an early-stage observational study with a small sample size, so findings may not be generalizable or lead to clinical tools.

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 50 people

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

Started

Mar 2024

Expected to finish

Mar 2028

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

Participants will be recruited through the doctors who care for them on a regular medical basis, during a consultation or hospitalization in a psychiatric unit. After inclusion, an additional blood sample (4 tubes with a peripheral venous sample) will be taken by nurses from the psychiatric wards caring for the patient, during a blood sample taken as part of the patient's care. The sample will be transported to the Biological Resource Center (CRB) at Nantes University Hospital, where it will be stored along with all other study samples.

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: * Major patient * Patient with one of the following diagnoses confirmed by a psychiatrist: * Characterized depressive episode with psychotic features, * Bipolar disorder type I * Bipolar disorder type II * Schizoaffective disorder * Schizophrenia * Schizophreniform disorder * Patient under psychiatric care at Nantes University Hospital * Patients weighing at least 45kg * Patient affiliated to a social security scheme or beneficiary of such a scheme * Patient who has given informed consent to participate in the study Exclusion Criteria: * Pregnant, * History of cancer in the last 5 years, * Vaccination within the last 4 weeks, * Acute or chronic infection, * Medical history of organ transplant, * Medical history of autoimmune disease, * Hearing impairment making it impossible to complete study questionnaires, * Patient under court protection

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Conditions

The condition(s) this trial relates to.

bipolar disorder bipolar I disorder bipolar II disorder major depressive disorder Psychotic Disorders schizoaffective depressive disorder schizoaffective disorder schizophrenia schizophreniform disorder

As listed by the trial registrant

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

Bipolar disorder I Bipolar disorder ii Schizoaffective disorder, depressive type

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

  • Nantes University Hospital

    RECRUITING

    Nantes, 44100, France

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