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C-Section anesthesia: does size matter?

NCT ID NCT07197398

What the study statuses mean

This study's is highlighted.

Recruitment status, easiest to join first

Recruiting now
This trial is taking on new participants right now.
Not yet recruiting
Registered, but not yet taking participants.
By invitation only
Not open to general applications. Only people the study team invites can take part.
Paused
Paused for now. It may or may not start again.
Ongoing
Running, but no longer taking on new participants.
Completed This study
The trial has finished. Results may not be published yet.
Stopped early
Stopped early, before it reached the end. That can be for many reasons, including safety.
Cancelled
Cancelled before anyone took part.

Expanded access (not trials)

Expanded access
Not a trial. This treatment can be requested outside a study, case by case, for people who qualify.
Expanded access (paused)
Not a trial. The treatment can normally be requested outside a study, but is unavailable right now.
Expanded access (ended)
Not a trial. The treatment could once be requested outside a study, but no longer can.
Approved
The treatment has been approved, so it is available normally rather than through this programme.

When the status isn't known

Details not published
The full record has not been published yet, so there is little to show here.
Status unknown
This status has not been confirmed recently, so it may be out of date.

First seen Jun 26, 2026 · Last updated Jun 27, 2026 · Updated 1 time

Summary

This completed study analyzed data from 183 women who had a C-section under spinal anesthesia with a standard dose of bupivacaine. Researchers wanted to see if the mother's height, weight, or baby's size affected how high the numbness spread. The goal is to help doctors predict anesthesia effects more accurately.

What this could mean

Our plain-language read of the trial. This is informational only, not medical advice or a prediction.

Active substance
hyperbaric bupivacaine
What this could lead to
If successful, this could help doctors tailor spinal anesthesia doses for C-sections based on patient size, improving safety and effectiveness.
What could go wrong
This is a small, retrospective analysis, not a controlled trial. Results may not apply to other doses or populations, and the findings are exploratory.

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

183 people

The number who actually took part.

Started

Sep 2025

Finished

Dec 2025

Lead sponsor

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

Study population will be chosen from the cases of elective cesarean sections that took place in years 2017-2022 in Orlowski Hospital, Department of Obstetrics and Gynecology, Centre of Postgraduate Medical Education, Warsaw, Poland. Intention is to include at least 140 cases for good quality analysis

Ages

18 years and older

Sex

Female participants only

Healthy volunteers

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

Copied word for word from the study's registry entry, so the wording is the study team's rather than ours.

Inclusion Criteria: * Cesarean delivery at term under spinal anesthesia * American Society of Anesthesiologists (ASA) physical status \<3 * BMI\<40 Exclusion Criteria: * Spinal anesthesia with the dose different than 12.5mg of hyperbaric bupivacaine * Local anesthetic other than hyperbaric bupivacaine used * Failed spinal anesthesia * Poor quality of anesthetic record - required data not available

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As listed by the trial registrant

The condition terms exactly as the trial's registrant entered them.

Contacts and locations

Locations

  • Centre of Postgraduate Medical Education,Department of Anesthesia and Intensive Care

    Warsaw, 01-813, Poland

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