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Eye scan may predict spinal headache risk in new moms

NCT ID NCT07360756

Knowledge-focused Sponsor: Al-Azhar 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 Results may not be published yet.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This status has not been confirmed recently, so it may be out of date.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 2 times

Summary

This study looks at whether a quick, painless eye ultrasound can predict which women will get a headache after spinal anesthesia for C-section. Researchers will measure the optic nerve sheath diameter before and after the spinal block in 150 women. The goal is to find a cutoff value that signals high headache risk, potentially allowing early treatment.

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 provide a simple bedside ultrasound test to identify women at high risk of headache after spinal anesthesia, allowing earlier preventive care.
What could go wrong
This is an early observational study with only 150 participants, so results may not apply to all patients. The ultrasound measurement technique may not be accurate enough in practice.

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 150 people

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

Expected to start

Jan 2026

An estimate. Start dates often move.

Expected to finish

Dec 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

Target Population: The target population consists of adult female parturients who are medically eligible for spinal anesthesia and are undergoing elective cesarean delivery in a hospital setting. Source Population: The source population is defined as all consecutive adult female patients (aged 18-45 years, ASA II-III) who are admitted to Benha University Hospitals for an elective cesarean section during the study enrollment period (December 2025 - June 2026) and who meet the eligibility criteria. Study Sample (Final Cohort): The study sample will comprise 150 consenting patients drawn consecutively from the source population, forming a single observational cohort. These participants will undergo standardized spinal anesthesia and serial Optic Nerve Sheath Diameter (ONSD) measurements, with follow-up for Post-Dural Puncture Headache development over 72 hours.

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: * Adult female patients, aged 18-45 years * ASA(American Society of Anesthesiologists) physical status II or III * Scheduled for elective cesarean section * Undergoing surgery under standardized spinal anesthesia Exclusion Criteria: * Pre-existing headache disorders (e.g., migraine, chronic tension-type headache) * Known ophthalmic conditions (e.g., optic neuropathy, glaucoma) * Inability to cooperate with ONSD(Optic Nerve Sheath Diameter) ultrasound measurements or follow-up * Allergy to local anesthetics * Emergency cesarean section * Contraindications to spinal anesthesia: * Coagulopathy * Infection at the puncture site * Preexisting hypertension on medication * Pre-eclampsia with severe features (suggested for separate study) * Known cardiac disease with hemodynamic instability * Allergy to study drugs * Fetal distress or non-reassuring cardiotocography (CTG) * Body Mass Index (BMI) \>40 kg/m² * Refusal to sign informed consent

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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.

Cesarean section complications

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

  • Al-Azhar University

    Cairo, Egypt, 11865, Egypt

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