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Gut bacteria differences found in IBD and Parkinson's patients

NCT ID NCT04159727

Knowledge-focused Sponsor: Hôpital Européen Marseille 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 Results may not be published yet.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This status has not been confirmed recently, so it may be out of date.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 24, 2026 · Last updated Jun 26, 2026 · Updated 1 time

Summary

This completed study examined gut bacteria in 15 people with inflammatory bowel disease (IBD) or Parkinson's disease, comparing them to healthy individuals. Researchers analyzed stool and blood samples to see if bacteria from the gut move into the bloodstream. The goal was to understand how gut bacteria might be linked to these conditions, but no treatment was tested.

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

15 people

The number who actually took part.

Started

Mar 2019

Finished

Feb 2020

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

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: * PD patients : age \< or = 60 years * asymptomatic subjects : no chronic disease * asymptomatic subjects : no treatment Exclusion Criteria: * severe anemia (Hb\<7g/L) * people who don't read french * pregnant women * people treated by antibiotic, probiotic or prebiotic during the 2 month before inclusion * people with any diagnosed or treated pathology

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Conditions

The condition(s) this trial relates to.

inflammatory bowel disease Parkinson disease

As listed by the trial registrant

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

Inflammatory bowel diseases Parkinson disease

Contacts and locations

Locations

  • European Hospital

    Marseille, Bouches-du Rhone, 13003, France

More trials for these conditions

Other studies related to the condition(s) this trial covers.