New hope for preterm labor: simple vaginal tablet may buy extra time for babies
NCT ID NCT07344064
First seen Jun 27, 2026 · Last updated Jun 27, 2026
Summary
This study tests whether adding a vaginal tablet containing good bacteria and a low-dose hormone (Gynoflor®) to standard preterm labor treatment can help women stay pregnant longer. About 80 pregnant women between 24 and 33 weeks will receive either the tablet or a placebo for 6 days. The main goal is to see if more women remain pregnant beyond 7 days after starting treatment.
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Study facts
What this study's own registry entry says, in plain language.
- Phase
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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
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About 80 people
The number the study aims to enrol. It can still change while the study runs.
- Expected to start
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Feb 2026
An estimate. Start dates often move.
- Expected to finish
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Oct 2026
An estimate. End dates often move.
- Lead sponsor
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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
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18 to 35 years
- Sex
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Female participants only
- Healthy volunteers
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Accepted
You do not need to have the condition being studied to take part.
Show the full entry requirements Hide 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 \- Pregnant women diagnosed with preterm labor or threatened preterm labor, with a gestational age between 24 and 33 weeks, who are receiving tocolytic therapy. Exclusion Criteria * Age under 18 years or 35 years and older * Incomplete course of Gynoflor® (less than 6 days of use) * Presence of contraindications to tocolysis * Preterm premature rupture of membranes (PPROM) * Unable to be contacted for follow-up * History of allergy to probiotics or Gynoflor® * Multiple gestation * History of short cervix diagnosed between 16-24 weeks of gestation * History of previous preterm labor (PTL) * Pregnancy achieved via assisted reproductive technology (ART) * Presence of fetal anomaly * History of antepartum hemorrhage * Substance abuse, including cigarette smoking, alcohol, cocaine, or heroin use * Other causes of preterm labor such as uterine overdistension (e.g., polyhydramnios, multifetal gestation), uterine abnormalities (e.g., myoma uteri), or systemic infections, except vaginitis
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Conditions
The condition(s) this trial relates to.
As listed by the trial registrant
The condition terms exactly as the trial's registrant entered them.
How to take part
Only the study team decides who joins. These are the ways to reach them.
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The official record
The full official record for this study. This one lists no contact details, but it is the first place any would appear.
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A doctor treating you
A doctor who knows your case can contact a study site on your behalf, and can tell you whether this study is worth pursuing at all.
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Other studies related to the condition(s) this trial covers.