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Scientists hunt for genetic roots of rare childhood blood disorder

NCT ID NCT03912129

Knowledge-focused Sponsor: University Hospital, Bordeaux 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 Results may not be published yet.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This status has not been confirmed recently, so it may be out of date.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 Jul 06, 2026 · Last updated Jul 07, 2026 · Updated 1 time

Summary

This study investigates the genetic causes of pediatric Evans syndrome, a rare autoimmune condition where the immune system attacks blood cells. Researchers analyze blood samples from affected children and their families to find known or new mutations. The goal is to better understand the disease's biology and classify patients by their genetic and immune profiles.

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 identify specific genes responsible for pediatric Evans syndrome, potentially pointing toward targeted treatments or better management strategies.
What could go wrong
This is an observational study, not a treatment trial. It may not find clear genetic causes, and any discoveries would need further research before leading to therapies.

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

Not a phased trial

Phase numbers describe drug development. The registry uses this when they do not apply, as it does for trials of devices, procedures or behaviour changes, and for observational studies.

Participants

374 people

The number who actually took part.

Started

Jul 2019

Finished

Jul 2023

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

Children (under 18), adults (18 to 64) and older adults (65 and over)

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: * Patient registered in the French national prospective OBS'CEREVANCE cohort * Diagnosis of pediatric Evans syndrome (PTI+AHAI) * Age strictly under 18 years at the initial onset * Child residing in metropolitan France and affiliated to a french health insurance system * Free, informed, written and signed consent Exclusion Criteria: * Evans syndrome secondary to chemotherapy, bone marrow transplantation or organ transplantation. * Refusal to participate from parents/patients

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Conditions

The condition(s) this trial relates to.

Evans syndrome

As listed by the trial registrant

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

Evans syndrome

Contacts and locations

Locations

  • CHU de Bordeaux

    Bordeaux, 33076, France

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