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Which progesterone works best to stop preterm birth? 820 women studied

NCT ID NCT07307092

Prevention Sponsor: Hina Mukhtar 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 Results may not be published yet.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This status has not been confirmed recently, so it may be out of date.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 27, 2026 · Last updated Jun 27, 2026

Summary

This study looked at 820 pregnant women at high risk for early labor who had a cervical stitch (cerclage). Researchers compared two ways of giving progesterone—shots into muscle versus rectal suppositories—to see which better prevents preterm birth before 37 weeks. The goal was to find the most effective method to prolong pregnancy and improve newborn health.

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

820 people

The number who actually took part.

Started

Oct 2021

Finished

Apr 2022

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 to 45 years

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: Pregnant women aged 18-45 years Singleton pregnancy Gestational age between 16 and 24 weeks at enrollment Diagnosed with cervical insufficiency and scheduled for or recently undergone cervical cerclage Willing to receive progesterone therapy and provide written informed consent Exclusion Criteria: Multiple pregnancy Known fetal anomalies Severe maternal comorbidities (e.g., hypertension, diabetes, cardiac disease) History of allergy or hypersensitivity to progesterone or related compounds Contraindications to progesterone use Women who declined to participate or were non-compliant with follow-upInclusion Criteria: \- Exclusion Criteria: \-

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Conditions

The condition(s) this trial relates to.

cervical incompetence Obstetric Labor, Premature

As listed by the trial registrant

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

Cervical insufficiency Pregnancy, high risk Preterm labour

Contacts and locations

Locations

  • CIMS Bahawalpur

    Bahawalpur, Punjab Province, 63100, Pakistan

More trials for these conditions

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