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Scientists dig into why the immune system turns on the gut

NCT ID NCT04280510

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 Results may not be published yet.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This status has not been confirmed recently, so it may be out of date.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 24, 2026 · Last updated Jun 26, 2026 · Updated 2 times

Summary

This study is looking at why the immune system attacks the gut in people with celiac disease and other immune-related gut disorders. Researchers will collect blood and tissue samples from 200 adults to study immune cells and genes. The goal is to better understand what goes wrong, not to test a new treatment.

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 research could reveal new targets for treating immune-related gut diseases.
What could go wrong
This is an observational study, not a treatment trial. It may not lead directly to new 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.

Participants

About 200 people

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

Started

Feb 2020

Expected to finish

Feb 2033

An estimate. End dates often move.

Lead sponsor

A government agency

The lead sponsor is a government body.

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 planned to have blood specimens and possible upper and/or lower digestive endoscopy.

Ages

18 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: * 18 years or over * affiliated to social insurance * signed informed consent Exclusion Criteria: * pregnancy * under guardianship * not able to sign informed consent

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Conditions

The condition(s) this trial relates to.

As listed by the trial registrant

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

How to take part

Only the study team decides who joins. These are the ways to reach them.

  1. The places running it

    4 sites. 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

  • Hôpital Bicêtre

    NOT_YET_RECRUITING

    Le Kremlin-Bicêtre, 94270, France

  • Hôpital Cochin

    RECRUITING

    Paris, 75014, France

  • Hôpital Henri Mondor

    NOT_YET_RECRUITING

    Créteil, 94010, France

  • Hôpital Saint Louis

    NOT_YET_RECRUITING

    Paris, 75010, France

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