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Neck scan may predict blood pressure danger in preeclampsia C-Sections

NCT ID NCT07496788

Knowledge-focused Sponsor: Ankara City Hospital Bilkent Source: ClinicalTrials.gov ↗

What the study statuses mean

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Recruitment status, easiest to join first

Recruiting now
This trial is taking on new participants right now.
Not yet recruiting This study
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
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 Results may not be published yet.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This status has not been confirmed recently, so it may be out of date.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 24, 2026 · Last updated Jun 27, 2026 · Updated 2 times

Summary

This study will check if an ultrasound of the internal jugular vein in the neck can predict a sudden drop in blood pressure during spinal anesthesia for C-section in women with preeclampsia. Researchers will measure the vein's collapsibility before surgery and track blood pressure for 20 minutes after anesthesia. The goal is to see if this simple test can help doctors prevent complications in high-risk pregnancies.

What this could mean

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

What this could lead to
If successful, this could give doctors a simple, non-invasive way to predict and prevent blood pressure drops during C-sections in women with preeclampsia.
What could go wrong
This is a small, early observational study, not a treatment trial. The ultrasound measurement may not reliably predict hypotension in all patients, and results may not apply to other settings.

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

About 96 people

The number the study aims to enrol. It can still change while the study runs.

Expected to start

May 2026

An estimate. Start dates often move.

Expected to finish

Jul 2026

An estimate. End dates often move.

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

Pregnant women diagnosed with preeclampsia who are scheduled for cesarean delivery under spinal anesthesia at Ankara Bilkent City Hospital, with cesarean urgency classified as Lucas category 3-4. Eligible participants are aged 18-45 years, have ASA physical status II-III, and have a gestational age ≥28 weeks. Participants will be evaluated for the development of spinal anesthesia-associated hypotension within the first 20 minutes after spinal anesthesia..

Ages

18 to 45 years

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: * Age between 18 and 45 years * ASA physical status II-III * Diagnosed with preeclampsia * Scheduled for cesarean delivery under spinal anesthesia with cesarean urgency classified as Lucas category 3-4 * Gestational age ≥28 weeks * Provided written informed consent Exclusion Criteria: * Cesarean urgency classified as Lucas category 1-2 * Gestational age \<28 weeks * ASA physical status ≥ IV * Known renal disease * Cardiac instability or known arrhythmia * Requirement of general anesthesia or sedation * Inability to provide informed consent

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Conditions

The condition(s) this trial relates to.

hypotensive disorder preeclampsia

As listed by the trial registrant

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

Cesarean section Preeclampsia Spinal anesthesia-induced hypotension

How to take part

Only the study team decides who joins. These are the ways to reach them.

  1. The places running it

    1 site. The list below names each one and where it is.

  2. The official record

    ClinicalTrials.gov lists the study team's own contact details, including names and phone numbers. We don't republish those.

    Open the record ↗

  3. 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

  • Ankara Bilkent City Hospital

    Ankara, Ankara, 06800, Turkey (Türkiye)

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