Epidural failure during labor: study seeks answers
NCT ID NCT07473609
First seen Jun 27, 2026 · Last updated Sep 18, 2026 · Updated 1 time
Summary
This study is tracking 500 women in labor who request epidural pain relief to see how often it fails and why. Researchers will look for risk factors that make failure more likely, such as how the epidural is placed or the mother's health. The goal is to improve pain management for future mothers.
This is an AI summary of the original study and may miss details. Read our disclaimer.
Study facts
What this study's own registry entry says, in plain language.
- Participants
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About 500 people
The number the study aims to enrol. It can still change while the study runs.
- Started
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Jan 2026
- Expected to finish
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Feb 2027
An estimate. End dates often move.
- Lead sponsor
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Other sponsor
The registry's catch-all category, for sponsors it does not file as a company, a government agency, or a research network.
Who can take part
This study's own entry requirements. Only the study team can say for certain whether you qualify.
Who is studied
Cohort of consecutive consenting patients admitted in the labor ward for delivery of two tertiary university hospitals in Madrid-Spain for a period of 1 month, which each center chooses throughout 2026.
- Ages
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18 years and older
- Sex
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Female participants only
- Healthy volunteers
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Not accepted
This study is not open to healthy volunteers. The entry requirements below say who it is open to.
Show the full entry requirements Hide the full entry requirements
Copied word for word from the study's registry entry, so the wording is the study team's rather than ours.
Inclusion Criteria: * Parturient who requests epidural analgesia for labor Exclusion Criteria: * Age under 18 years * Stillbirth * Continuous spinal anesthesia * Refusal to participate
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Conditions
The condition(s) this trial relates to.
As listed by the trial registrant
The condition terms exactly as the trial's registrant entered them.
How to take part
Only the study team decides who joins. These are the ways to reach them.
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The places running it
2 sites. The list below names each one and where it is.
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The official record
ClinicalTrials.gov lists the study team's own contact details, including names and phone numbers. We don't republish those.
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A doctor treating you
A doctor who knows your case can contact a study site on your behalf, and can tell you whether this study is worth pursuing at all.
Contacts and locations
Locations
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Hospital General Universitario Gregorio Marañón
RECRUITINGMadrid, 28007, Spain
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Hospital Universitario La Paz
NOT_YET_RECRUITINGMadrid, Spain