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Prediction of Labor Induction Outcome in Nulliparous Women
Sponsor: Assistance Publique - Hôpitaux de Paris
Summary
Labor induction rates are increasing worldwide, yet nulliparous patients remain at high risk of failed induction and intrapartum cesarean delivery as well as prolonged labor which are associated with increased maternal morbidity, adverse outcomes in future pregnancies, increased neonatal morbidity and negative childbirth experience. This study aims to evaluate whether macrophage activation biomarkers in cervicovaginal secretions can predict successful labor induction in low-risk nulliparous women at term with an unfavorable cervix (Bishop score \<6). The study focuses on three patented biomarkers of "imminence of delivery" (MCP1, CD14, and CD163), previously shown to be markedly elevated during spontaneous labor. We hypothesize that higher biomarker concentrations reflect biological readiness for labor and are associated with successful induction, defined as entry into the active phase of labor (cervical dilation ≥6 cm). Secondary objectives include evaluating the association between biomarker concentrations and labor progression. Identifying reliable predictive biomarkers could improve patient selection for induction and optimize obstetrical management in nulliparous women.
Official title: Evaluation of Biomarkers in Term Labor Induction in Low-Risk Nulliparous Patients: Toward Better Prediction of Induction Outcomes
Key Details
Gender
FEMALE
Age Range
18 Years - Any
Study Type
OBSERVATIONAL
Enrollment
190
Start Date
2026-06
Completion Date
2028-01
Last Updated
2026-06-09
Healthy Volunteers
No
Interventions
Vaginal sample
A vaginal sample will be collected from 39 weeks of gestation onward, prior to labor induction. The vaginal swab for biomarker testing will be collected at the same time as the vaginal swab for Group B streptococcus screening (which is routinely performed as part of standard care, in accordance with clinical practice guidelines). Therefore, no additional procedure is required for this research.
Locations (1)
AP-HP - Hôpital Cochin - Maternité Port-Royal
Paris, Île-de-France Region, France