Gut bacteria may hold key to why arthritis drugs stop working in kids

NCT ID NCT04540432

First seen Jun 27, 2026 · Last updated Jun 27, 2026

Summary

This study is looking at how the gut bacteria (microbiome) change in children with juvenile spondyloarthritis as they receive different treatments. Researchers will collect stool and blood samples from 25 children over several months to see if certain bacteria affect how well the drugs work. The goal is to understand why some children stop responding to treatment, which could help doctors choose better therapies in the future.

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 study could help doctors understand why some children stop responding to arthritis treatments, potentially leading to better personalized care.

What could go wrong

This is a very small, early pilot study with only 25 participants. It is designed to observe and describe, not to test a new treatment, so it may not lead to any direct changes in care.

Disclaimer Read more

This is a summary of the original study . Summaries may miss details or leave out important information. Before applying or accepting participation, make sure you have read and understood the full study. Curemydisease.com takes no responsibility whatsoever for anything missed, misunderstood, or acted upon as a result of our summary — we know it does not capture everything.

Get updates

Get notified about this study

Sign up to get updates when this study changes or when new studies for SPONDYLARTHROPATHIES are added.

Our safety recommendation!

By submitting, you agree to our Terms of use

Conditions

The condition(s) this trial relates to.

enthesitis-related juvenile idiopathic arthritis Spondylarthropathies spondyloarthropathy

As listed by the trial registrant

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

Contacts and locations

Study contacts

  • Contact

    Phone: •••-•••-•••• Email: •••••@•••••

  • Contact

    Phone: •••-•••-•••• Email: •••••@•••••

Locations

  • APHM, Hopital Nord

    RECRUITING

    Marseille, France

    Contact

  • Hopital des enfants, CHU de Toulouse

    NOT_YET_RECRUITING

    Toulouse, France

    Contact Phone: •••-•••-•••• Email: •••••@•••••

  • Montpellier University Hospital, Arnaud de Villeneuve Hospital

    RECRUITING

    Montpellier, Hérault, 34295, France

    Contact

    Contact Phone: •••-•••-•••• Email: •••••@•••••

    Contact

  • Nîmes University Hospital

    RECRUITING

    Nîmes, Gard, 30029, France

    Contact Phone: •••-•••-•••• Email: •••••@•••••

    Contact

    Contact

    Contact

    Contact

    Contact