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Gut bacteria clues in new arthritis patients

NCT ID NCT01961310

Knowledge-focused Sponsor: Centre Hospitalier Universitaire de Nīmes 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 Results may not be published yet.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This status has not been confirmed recently, so it may be out of date.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 the gut bacteria of 55 people—some newly diagnosed with rheumatoid arthritis and some without the disease. Researchers wanted to see if certain bacteria are more common in arthritis patients. The goal is to better understand how gut health might be linked to arthritis.

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

55 people

The number who actually took part.

Started

Mar 2016

Finished

Mar 2018

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

A total of 50 adult subjects will be included: 25 with newly diagnosed RA (\<12 months) based on the American College of Rheumatology criteria, and 25 healthy volunteers without RA.

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 for RA patients: * The patient was correctly informed * The patient must have given his/her informed and signed consent * The patient must be insured or beneficiary of a health insurance plan * No antibiotic treatments within the 30 days preceding inclusion * Absence of digestive pathology * RA diagnosis made within the past 12 months Exclusion Criteria for RA patients: * The patient has participated in another study within the past 3 months * The patient is under judicial protection, or any kind of guardianship * The patient refuses to sign the consent * It is impossible to correctly inform the patient * The patient is pregnant, parturient, or breastfeeding * The patient has taken antibiotics in the 30 days preceding inclusion * RA was diagnosed more than 12 months ago * Digestive pathology Inclusion Criteria for healthy volunteers (HV): * The HV was correctly informed * The HV must have given his/her informed and signed consent * The HV must be insured or beneficiary of a health insurance plan * Absence of digestive pathology * No antibiotic treatments within the 30 days preceding inclusion * Does not have RA Exclusion Criteria for HVs: * The HV has participated in another study within the past 3 months * The HV is under judicial protection, or any kind of guardianship * The HV refuses to sign the consent * It is impossible to correctly inform the HV * The HV is pregnant, parturient, or breastfeeding * The HV has taken antibiotics in the 30 days preceding inclusion * Digestive pathology * Joint pathology of any kind (including inflammatory pathologies)

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Conditions

The condition(s) this trial relates to.

rheumatoid arthritis

As listed by the trial registrant

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

Arthritis rheumatoid

Contacts and locations

Locations

  • CHRU de Montpellier - Hôpital Lapeyronie

    Montpellier, 34295, France

  • CHRU de Nîmes - Hôpital Universitaire Carémeau

    Nîmes, 30029, France

  • Unité U1047 "Bacterial virulence and infectious diseases", UFR de Médecine

    Nîmes, 30908, France

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