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Study identifier: NCT05873218 Synced from ClinicalTrials.gov · July 29, 2026
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Impact of Prophylactic Ephedrine on Fetal Heart Tracing and Uterine Tetanic Contraction After CSE

Condition: Labor  ·  Sponsor: Icahn School of Medicine at Mount Sinai

PhasePhase 4
Planned participants100
Who can joinFemale, 18 Years to 55 Years
Healthy volunteersYes

About this study

Labor analgesia is an important component of the care of laboring patients. A known side effect of combined spinal and epidural anesthesia (a type of labor analgesia) is an increased incidence of category II fetal heart rate tracing (defined below) and low blood pressure. The study team aims to study if a prophylactic dose of ephedrine will decrease the occurrence of this type of tracing after combined spinal epidural (CSE) anesthesia placement. Ephedrine is not currently routinely used as prevention for category II tracings or low blood pressure. The use of Ephedrine in this study is investigational (this is the first time that the drug has been studied for its effect on these conditions). Fetal heart rate (FHR) tracings are classified into three categories. In clinical practice, FHR tracing categories are used as a guide to obstetric management and suggest the following approach: * Category I tracing is "reactive" and reassuring → may continue labor * Category II tracing is neither category I nor category III. For obvious reasons, category II is the broadest and largest category, consisting of various FHR tracing patterns that do not fit into either category I or category III. * Category III tracing is non-reassuring → expedited vaginal or cesarean delivery recommended. A Category II tracing is not diagnostic. Most pregnancies have at least one Category II tracing. There is not always an identifiable reason for a Category II tracing. Ephedrine is a medication that cause…

This description comes directly from the study's public registry record.

Talk to the study team

Daniel Katz, MD  ·  212-241-7475  ·  daniel.katz@mountsinai.org

Always discuss trial participation with your own doctor first.

Locations (1)

Icahn School of Medicine at Mount SInaiNew York, New York, United StatesRecruiting

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Source record: clinicaltrials.gov/study/NCT05873218