CClinicalTrials.gg
CompletedNCT07523295Updated Apr 13, 2026

Effect of Vaginal Progesterone Treatment on Pregnancy and Newborn Outcomes in Women With Preterm Labor

A Phase 4 interventional study of Nifedipine 20 Mg and Dexamethasone in Preterm Labor With Intact Membranes and Preterm Birth, sponsored by Medicare Hospital (Pvt) Limited. Completed at 1 site in Pakistan. Open to female participants aged 18 Years to 45 Years. Per ClinicalTrials.gov, last updated 2026-04-13.

Sponsored by Medicare Hospital (Pvt) Limited · Phase 4, Interventional, and Prevention

From the registry’s dates

  • Registered 10 months after the study started (first participant enrolled May 2025, registered Apr 2026).
Phase
Phase 4
Study type
Interventional
Enrollment
60
Allocation
Randomized
Ages
18 Years to 45 Years
Sex
Female
01

Study summary

Preterm labor, which occurs when labor starts before 37 weeks of pregnancy, is a major cause of illness and death in newborns. Babies born too early are at higher risk of breathing problems, low birth weight, infections, and other complications. Treatments that safely delay delivery can improve outcomes for both the mother and the baby.

The purpose of this clinical study is to determine whether vaginal progesterone treatment can improve pregnancy and newborn outcomes in women who present with preterm labor. The study will compare vaginal progesterone supplementation with conventional care after the initial treatment of preterm labor.

The main questions this study aims to answer are:

  • Does vaginal progesterone increase the latency period (the time from treatment to delivery) in women with preterm labor?
  • Does vaginal progesterone reduce the chances of preterm birth and low birth weight compared with conventional treatment?

This randomized controlled trial will be conducted in the Department of Obstetrics and Gynaecology at Medicare Hospital Multan. A total of 60 pregnant women with singleton pregnancies between 24 and 34 weeks of gestation who present with preterm labor will be enrolled in the study. All participants will first receive standard treatment for preterm labor, including medications to stop contractions (tocolysis with nifedipine for 48 hours) and steroid injections to help mature the baby's lungs.

Women whose contractions settle after the initial treatment will then be randomly assigned to one of two groups. One group will receive vaginal progesterone (400 mg daily), while the other group will receive conventional care, which includes counseling and routine pregnancy precautions without progesterone treatment.

Participants will continue their assigned management until 36 weeks and 6 days of pregnancy or until delivery occurs. After discharge from the hospital, all women will be followed every two weeks until delivery.

Researchers will record important pregnancy and newborn outcomes, including:

  • Latency period (time from treatment to delivery)
  • Preterm birth (delivery before 37 weeks of pregnancy)
  • Birth weight of the newborn

By comparing these outcomes between the two groups, the study aims to determine whether vaginal progesterone can safely prolong pregnancy and improve neonatal outcomes in women with preterm labor. The results of this study may help guide future treatment strategies to reduce complications associated with premature birth.

02

Conditions studied

  • Preterm Labor With Intact Membranes
  • Preterm Birth

Browse trials for

Keywords

  • low birth weight
  • Preterm birth
  • Vaginal progesterone
  • Dexamethasone
  • nifedipine
03

In context

Premature Birth

2,554 studies on the registry are indexed under Premature Birth; 498 are open to participants now.

This study's enrollment of 60 is below the median of 84 across 1,689 interventional studies indexed under Premature Birth.

Browse Premature Birth studies →

Lead sponsor

Medicare Hospital (Pvt) Limited is the lead sponsor of 3 studies on the registry; 1 is open to participants now.

Counted across the registry records on this site, refreshed daily.

04

Who can participate

Ages eligible
18 Years to 45 Years
Sexes eligible
Female
Accepts healthy volunteers
No

Inclusion criteria

  • Women with singleton pregnancies (on antenatal scan)
  • Presenting with pr-term labor
  • Between 24 - 34 weeks of gestation
  • Treated successfully with acute tocolysis for 48 hours and received steroids

Exclusion criteria

Exclusion Criteria:

  • Women with multiple pregnancy
  • Preterm premature rupture of membranes
  • Cervical dilatation >3 cm (clinical examination)
  • Congenital fetal anomalies
  • Refuse to participate in the study
05

Study design

Phase
Phase 4
Primary purpose
Prevention
Allocation
Randomized
Intervention model
Parallel assignment
Masking
None (open label)
Enrollment
60 participants (actual)

Study arms

  • Experimental
    Vaginal Progesterone

    Participants after successful tocolysis will receive vaginal progesterone

    Drug: Nifedipine 20 Mg · Drug: Dexamethasone · Drug: Progesterone 200 mg vaginal capsules

  • Active comparator
    Conventional Care Group

    Participants after successful tocolysis will receive counseling and precautionary advice

    Drug: Nifedipine 20 Mg · Drug: Dexamethasone · Behavioral: Counseling

Interventions

  • DrugNifedipine 20 Mg

    Oral Nifedipine 20 mg every 30-minutes for two doses, then 20 mg every 6-hours for 48-hours

  • DrugDexamethasone

    6 mg intramuscular every 12 hours for a total of four doses

  • DrugProgesterone 200 mg vaginal capsules

    two capsules (200 mg each) applied to the vagina daily till 36-weeks + 6 days or delivery

  • BehavioralCounseling

    Standard counseling and precautionary advice provided after successful tocolysis

06

What researchers measure

Primary outcomes

  1. Latency Period

    Time from randomization to delivery, measured in days, among women presenting with preterm labor after successful tocolysis.

    Time frame: From randomization until delivery (up to approximately 13 weeks, depending on gestational age at enrollment).

Other outcomes

  1. Preterm Birth

    Delivery occurring before 37 completed weeks of gestation, determined using the last menstrual period (LMP) method.

    Time frame: At delivery (up to approximately 13 weeks after randomization).

  2. Low birth Weight

    Birth weight less than 2500 grams measured using a digital weighing scale at the time of delivery.

    Time frame: At birth (up to approximately 13 weeks after randomization).

07

Study locations

1 site
  • Medicare Hospital (Pvt) Limited
    Multan, Punjab Province 60000, Pakistan
08

References and documents

Individual participant data

Plan to share: No

No publications or documents are linked to this record.

09

Updates

Tracking since Sep 25, 2026
No changes since tracking began. The registry record was last updated on Apr 13, 2026, before this site started recording changes on Sep 25, 2026. Its history is on ClinicalTrials.gov ↗
10

Registry details

Key details

Study ID
NCT07523295
Lead sponsor
Medicare Hospital (Pvt) Limited
Responsible party
Dr. Bushra Mukhtiar (Principal Investigator, Medicare Hospital (Pvt) Limited) — Principal investigator
First posted
Apr 13, 2026
Start date
May 6, 2025
Primary completion
Nov 5, 2025
Completion
Nov 5, 2025
Last update
Apr 13, 2026

Study contacts

Muhammad S Akhtar, FRCOG
study chair · Medicare Hospital (Pvt) Limited

Oversight

Data monitoring committee
No
FDA-regulated drug
No
FDA-regulated device
No
View the source record on ClinicalTrials.gov ↗

Not currently enrolling

This study is completed, as verified in Apr 2026. You cannot join it, but the record below documents what was studied.

Follow this study

Get an email when the registry record changes — status, dates, results — or when someone posts here.

Sign in to follow

Discussion

Questions and observations about this study, from anyone following it. Not medical advice, and not a channel to the study team — their contact details are on the registry record.

Sign in to join the discussion. Reading takes no account; posting does. You choose a display name, and a pseudonym is the default.

Nothing here yet. If you are running this trial, taking part in it, or weighing whether to, this is the place to say so.

Start the discussion