Using ephedrine to improve fetal heart monitoring during labor

Impact of Prophylactic Ephedrine on Fetal Heart Tracing and Uterine Tetanic Contraction After Combined Spinal Epidural on Laboring Parturients

Phase 4 Interventional Icahn School of Medicine at Mount Sinai · NCT05873218

This study tests if giving ephedrine to women in labor who are using spinal-epidural anesthesia can help improve fetal heart monitoring and reduce low blood pressure.

Quick facts

PhasePhase 4
Study typeInterventional
Enrollment100 (estimated)
Ages18 Years to 55 Years
SexFemale
SponsorIcahn School of Medicine at Mount Sinai Academic / other
Locations1 site (New York, New York)
Trial IDNCT05873218 on ClinicalTrials.gov

What this trial studies

This study investigates the effects of prophylactic ephedrine on fetal heart rate tracings and uterine contractions in women receiving combined spinal-epidural anesthesia for labor analgesia. The research aims to determine if administering ephedrine can reduce the incidence of category II fetal heart rate tracings and low blood pressure, which are known side effects of this anesthesia method. Participants will be randomly assigned to receive either ephedrine or a normal saline placebo. The study is significant as it explores an investigational use of ephedrine in this context, which has not been routinely practiced.

Who should consider this trial

Good fit: Ideal candidates are women aged 18-55 who are requesting labor analgesia and have a category I fetal tracing prior to anesthesia placement.

Not a fit: Patients who refuse neuraxial anesthesia or have a history of hypertension or category II or III fetal tracings prior to anesthesia placement may not benefit from this study.

Why it matters

Potential benefit: If successful, this approach could enhance fetal monitoring and improve outcomes during labor for patients receiving neuraxial anesthesia.

How similar studies have performed: While the use of ephedrine in this context is investigational, similar studies have explored its effects on blood pressure and fetal heart rate, indicating potential for success.

Eligibility criteria

Show full inclusion / exclusion criteria
Inclusion Criteria:

* Women aged 18-55 years
* Requesting labor analgesia
* Able to provide informed written consent
* Category 1 fetal tracing prior to placement of neuraxial anesthesia

Exclusion Criteria:

* Refusal of neuraxial anesthesia
* History of hypertension
* Suspected pre-eclampsia
* Category 2 or 3 fetal tracing prior to placement of neuraxial anesthesia

Where this trial is running

New York, New York

Study contacts

How to participate

  1. Review the eligibility criteria above with your treating physician.
  2. Visit the official trial page on ClinicalTrials.gov for the most current contact information and recruitment status.
  3. Contact the listed study coordinator or principal investigator to request pre-screening. Pre-screening is free and never obligates you to enroll.
Conditions LaborRandomized Control TrialProphylactic EphedrineFetal Heart Rate TracingCombined Spinal EpiduralLabor analgesia
Last reviewed 2026-06-13 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.