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.
Quick facts
| Phase | Phase 2 |
|---|---|
| Study type | Interventional |
| Ages | 18 Years to 50 Years |
| Sex | Women only |
| Enrollment | 100 (estimated) |
| Sponsor | Stanford University Academic / other |
| Locations | 2 sites (Stanford, California and 1 other locations) |
| Status | Recruiting |
| Started | January 1, 2025 |
| Main results expected | December 30, 2026 |
| Study ends | December 31, 2027 |
| Registry record updated | August 21, 2026 |
| Trial ID | NCT05488457 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
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University of Chicago
Chicago, Illinois, United States Recruiting -
Stanford University
Stanford, California, United States Not yet recruiting
Study contacts
- Principal investigator: Naida M Cole, MD — University of Chicago
- Study coordinator: Naida M Cole, MD
- Email: nmcole@bsd.uchicago.edu
- Phone: 773-702-6700
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How to take part
- Review the eligibility criteria above with your treating physician.
- Check the official listing on ClinicalTrials.gov for the latest contact details and recruitment status.
- Contact the study coordinator or principal investigator to ask for pre-screening. Pre-screening is free and never obligates you to enroll.