Comparing Labor Induction Methods Using Dinoprostone Followed by Oxytocin Versus Oxytocin Alone for Women With Term Premature Rupture of Membranes and an Unfavorable Cervix
Led by National Hospital of Obstetrics and Gynecology · Updated on 2026-02-20
450
Participants Needed
1
Research Sites
4 weeks
Total Duration
AI-Summary
What this Trial Is About
Researchers are investigating the best way to induce labor for pregnant women whose water breaks at term before labor begins, a condition called term prelabor rupture of membranes term PROM. This study focuses on women with term PROM and an unfavorable cervix, comparing two common induction methods to find which one may be safer and more effective for both mother and baby. The trial aims to provide clearer guidance on labor induction when the cervix is not yet ready and is being conducted as a randomized clinical trial at a hospital in Vietnam.
The study compares two induction strategies one group receives a vaginal dinoprostone insert Propess for 6 hours to soften the cervix, followed by intravenous oxytocin if labor does not start the other group receives immediate intravenous oxytocin without prior cervical ripening. Both treatments are part of routine care and include continuous fetal monitoring and standard management of any complications during labor. Participants are randomly assigned to one of these two groups and remain in their assigned group throughout the trial.
Participants will be monitored from induction until delivery, with detailed assessments including mode of delivery, time from induction to birth, maternal and neonatal complications, and womens experiences of labor. Safety measures such as fetal heart rate monitoring and handling of uterine contractions are part of the protocol. The primary outcome is the rate of vaginal delivery, with secondary outcomes including maternal infections, neonatal health measures, and patient satisfaction. The study duration includes monitoring up to 28 days after delivery for some outcomes.
CONDITIONS
Brief Title
PGE2 Followed by Oxytocin vs Oxytocin in Term PROM (POXY-PROM)
Research Team
K
Khuyen T.H Truong, MD
A
Anh T Ngo, MD, PhD
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Prelabor rupture of membranes confirmed by fluid draining or pool of fluid seen during examination
Baby in head-down position
Cervix with Bishop score of 6 or less
No spontaneous uterine contractions
No contraindications for vaginal delivery
You will not qualify if you...
Active labor at time of enrollment
Previous uterine surgery such as cesarean section
Infection of the membranes or non-reassuring fetal status
Major fetal anomalies
Contraindications to prostaglandin or vaginal delivery
Refusal to participate
Your Study Journey
Screening
Duration - 2 to 4 weeks
Participants are screened for eligibility to participate in the trial.
Run-in Period
Duration - 6 hours
Participants assigned to the dinoprostone arm receive a 6-hour vaginal dinoprostone insert for cervical ripening.
1 in-person visit for dinoprostone insertion
Treatment
Duration - Up to 36 hours or until delivery
Participants receive induction of labor with intravenous oxytocin following dinoprostone if labor has not started, or with oxytocin alone for immediate induction. Continuous fetal monitoring and management of uterine contractions are performed according to standard protocols.
1 in-person visit for induction and continuous monitoring until delivery
Follow-up
Duration - Up to 28 days after delivery
Participants are monitored for maternal and neonatal outcomes including delivery mode, maternal and neonatal health, and patient-reported satisfaction up to 28 days after delivery.
Approximately 1 to 2 post-delivery visits depending on hospital stay and outcome assessments
How is the study designed?
Study Type
INTERVENTIONAL
Masking
NONE
Allocation
RANDOMIZED
Model
PARALLEL
Primary Purpose
TREATMENT
Number of Arms
2
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