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Eye scan may spot headache risk after C-Section spinal

NCT ID NCT07497945

Knowledge-focused Sponsor: Kocaeli University 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 Results may not be published yet.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This status has not been confirmed recently, so it may be out of date.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 25, 2026 · Last updated Jun 27, 2026 · Updated 1 time

Summary

This study looks at whether a simple, non-invasive eye ultrasound can predict which women will get a headache after spinal anesthesia during a C-section. Researchers will measure the optic nerve sheath diameter in 220 women at several times before and after surgery. They will then check if those measurements are linked to headaches. The goal is to find a way to identify at-risk patients early.

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 identify patients at risk for headache after spinal anesthesia, allowing earlier care.
What could go wrong
This is an observational study, not a treatment trial. It only tests if a measurement predicts headache; it does not test any new drug or therapy. Results may not apply to all patients.

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 220 people

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

Expected to start

Mar 2026

An estimate. Start dates often move.

Expected to finish

Mar 2027

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

The study population will consist of pregnant women aged 18-45 years undergoing cesarean section under spinal anesthesia at Kocaeli University Hospital. Participants who meet the eligibility criteria and provide informed consent will be enrolled.

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: * Women aged 18 to 45 years * Singleton pregnancy * Planned cesarean section (elective or emergency due to fetal indications) * Spinal anesthesia planned for the procedure * American Society of Anesthesiologists (ASA) physical status II-III * Normal coagulation parameters (INR less than 1.5, platelet count greater than 100,000/mm³) * Ability to provide written informed consent and cooperate with study procedures Exclusion Criteria: * Known ophthalmologic diseases affecting the optic nerve or retina (e.g., glaucoma, optic atrophy) * Active eye infection or recent ocular surgery * Known intracranial pathology affecting cerebrospinal fluid dynamics (e.g., intracranial mass, hydrocephalus, idiopathic intracranial hypertension) * History of stroke or subarachnoid hemorrhage * Hypertensive disorders of pregnancy such as preeclampsia or eclampsia * Contraindications to spinal anesthesia (e.g., coagulopathy, anticoagulant therapy, infection at puncture site) * Allergy to local anesthetics * Conversion to general anesthesia due to failed or inadequate spinal block * Presence of moderate or severe preoperative headache or active primary headache disorders such as migraine

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Conditions

The condition(s) this trial relates to.

intracranial hypotension Post-Dural Puncture Headache

As listed by the trial registrant

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

Post-dural puncture headache

How to take part

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  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

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Contacts and locations

Locations

  • Kocaeli University Faculty of Medicine Hospital

    Köseköy, Kocaeli, 41001, Turkey (Türkiye)

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