Clinical trial Recruiting at 1 site Phase 2 Interventional Ages 18 to 50 Women only

Investigating how oxytocin works during cesarean deliveries

Official title: Pharmacokinetics and Pharmacodynamics of Oxytocin in Cesarean Delivery

Run by Stanford University · NCT05488457 · Data updated 2026-11-12

This study is testing how oxytocin works during scheduled cesarean deliveries to see if it helps prevent complications like uterine atony in new mothers.

More Cesarean Section Complications trials

Quick facts

PhasePhase 2
Study typeInterventional
Ages18 Years to 50 Years
SexWomen only
Enrollment100 (estimated)
SponsorStanford University
Academic / other
Locations2 sites (Stanford, California and 1 other locations)
StatusRecruiting
StartedJanuary 1, 2025
Main results expectedDecember 30, 2026
Study endsDecember 31, 2027
Registry record updatedAugust 21, 2026
Trial IDNCT05488457 on ClinicalTrials.gov

Is this trial a fit for you?

Likely a good fit

Ideal candidates are women aged 18-50 with a term intrauterine pregnancy undergoing a scheduled or unscheduled cesarean delivery.

Probably not a fit

Patients with allergies or contraindications to oxytocin will not benefit from this study.

A plain-English reading of the study's rules. Only the study team can confirm whether you qualify.

What this trial studies

This clinical trial aims to understand the pharmacokinetics and pharmacodynamics of oxytocin in parturients undergoing non-emergent cesarean deliveries. Participants will receive a bolus of deuterated oxytocin followed by a standard oxytocin infusion after the delivery of the fetus. Blood samples will be collected at various time points to analyze the concentration of oxytocin and its effect on uterine contraction. The study will help clarify how oxytocin functions in preventing uterine atony, a condition affecting many postpartum women.

Why it matters

Potential benefit: If successful, this study could improve the management of postpartum hemorrhage by optimizing oxytocin use during cesarean deliveries.

How similar studies have gone: Other studies have explored oxytocin's role in postpartum care, but this specific pharmacokinetic and pharmacodynamic approach is relatively novel.

Who can join: the full rules

Show full inclusion / exclusion criteria
Inclusion Criteria

* 18-50 years old
* intrauterine pregnancy
* term (\>39 weeks gestation or 37-39 weeks gestation with fetal or maternal medical indication for delivery) pregnancy
* non-emergent (scheduled or unscheduled) cesarean delivery

Exclusion Criteria:

* allergy or contraindication to oxytocin
* inability to provide informed consent

Where it's running

  • University of Chicago
    Chicago, Illinois, United States
    Recruiting
  • Stanford University
    Stanford, California, United States
    Not yet recruiting

Study contacts

Similar studies

Other studies for the same condition or treatment. Recruiting studies are listed first.

How to take part

  1. Review the eligibility criteria above with your treating physician.
  2. Check the official listing on ClinicalTrials.gov for the latest contact details and recruitment status.
  3. Contact the study coordinator or principal investigator to ask for pre-screening. Pre-screening is free and never obligates you to enroll.
Last reviewed 2026-11-14 by the Find a Trial editorial team. Information on this page is for educational purposes and is not medical advice. Always consult qualified healthcare professionals about clinical trial participation.