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New study tracks how a common bacteria colonizes Babies' guts

NCT ID NCT01719510

Knowledge-focused Sponsor: Assistance Publique - Hôpitaux de Paris 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 Results may not be published yet.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This status has not been confirmed recently, so it may be out of date.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 looked at how group B streptococcus (GBS) bacteria colonize the digestive tract of newborns. Researchers followed nearly 950 mothers and their babies, taking samples from the mother and umbilical cord at birth. The goal was to see if a specific, more dangerous type of GBS (ST-17) persists longer in babies' guts than other types, which could help prevent serious infections like meningitis.

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 identify which newborns are at higher risk for serious GBS infections, leading to better prevention strategies.
What could go wrong
This is an observational study, not a treatment trial. It may not directly change care, and results may not apply to all populations.

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

949 people

The number who actually took part.

Started

Nov 2012

Finished

Jun 2015

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

Female participants only

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 having a positive vaginal swab for GBS at the end of pregnancy (PCR +). * Patient aged over 18 years * Patient who received information and agreeing to sign informed consent * Patient affiliated or beneficiary of an insurance Exclusion Criteria: \- Patient does not speak and does not understand French

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Conditions

The condition(s) this trial relates to.

group B streptococcal infection meningitis

As listed by the trial registrant

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

Neonatal infections colonize with group B streptococci

Contacts and locations

Locations

  • Cochin Hospital

    Paris, 75014, France

  • Louis Mourier Hospital

    Colombes, 92 700, France