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Could hidden bacteria be behind early births?

NCT ID NCT00855543

Knowledge-focused Sponsor: CAMC Health System Source: ClinicalTrials.gov ↗

What the study statuses mean

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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 Results may not be published yet.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This status has not been confirmed recently, so it may be out of date.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 Aug 21, 2026 · Last updated Aug 21, 2026

Summary

This study looks at whether certain bacteria that produce an enzyme called phospholipase A2 are linked to preterm labor. It also compares pregnant teens and adults to see if teens are more likely to carry these bacteria and have different immune markers. The goal is to better understand what may trigger early labor and improve prediction of preterm birth.

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 certain bacteria are found to trigger preterm labor, this could point toward new ways to predict or prevent early birth.
What could go wrong
This is a small observational study, so it may not prove cause and effect. Results may not apply to all pregnant people.

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

50 people

The number who actually took part.

Start date

Aug 2009

Finished

Dec 2010

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

Obstetric patients in West Virginia

Ages

14 to 45 years

Sex

Female participants only

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: 1. Gestational age \<34 weeks 2. Singleton gestation 3. Urinalysis and urine culture collected via clean catch 4. Age range 14 - 45 5. Patient receiving prenatal care at CAMC Women's Medicine Center Exclusion Criteria: 1. In labor or with uterine contractions 2. Known fetal anomalies 3. Cerclage 4. Dark amniotic fluid suggestive of previous bleeding 5. Multiple gestation 6. Known unbalance chromosomal complement 7. Pregnant patient with prior history of excisional cervical biopsy (either cold knife, loop electrosurgical excision procedure, or laser conization) 8. Patient with mullerian anomaly 9. Patient with 2 or more D\&E secondary to spontaneous or induced abortion

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Conditions

The condition(s) this trial relates to.

Obstetric Labor, Premature

As listed by the trial registrant

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

Preterm labor

Contacts and locations

Locations

  • Charleston Area Medical Center/West Virginia University

    Charleston, West Virginia, 25304, United States

More trials for these conditions

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