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Eye ultrasound may reveal stroke side

NCT ID NCT06492681

Knowledge-focused Sponsor: Clinica Mexico Source: ClinicalTrials.gov ↗

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 Results may not be published yet.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This status has not been confirmed recently, so it may be out of date.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 26, 2026

Summary

This study looked at whether measuring the optic nerve sheath with ultrasound can help identify which side of the brain is affected in suspected stroke patients. Researchers measured the nerve sheath in 19 adults in the emergency department and compared it to their physical exam findings. The goal was to see if this quick, non-invasive test could help guide stroke diagnosis.

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 this method proves reliable, it could offer a quick, non-invasive way to help diagnose stroke in emergency rooms.
What could go wrong
This is a very small, completed study with only 19 participants. The results may not apply to all stroke patients, and the technique needs much more testing before it can be used 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

19 people

The number who actually took part.

Started

Sep 2024

Finished

Sep 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

The study aims to include a diverse adult population, encompassing various ages, genders, and ethnic backgrounds, reflective of the general demographic seen in emergency departments with suspected ischemic stroke. By doing so, the study seeks to enhance the generalizability of its findings across different subgroups within the adult population.

Ages

18 years and older

Sex

Anyone

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: * Patients with suspected acute ischemic stroke * CT scan negative to hemorrhagic stroke * Informed consent Exclusion Criteria: * Contraindications to perform ocular ultrasound * Patients with ocular surgery

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Conditions

The condition(s) this trial relates to.

Emergencies ischemic stroke stroke disorder

As listed by the trial registrant

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

Ischemic stroke

Contacts and locations

Locations

  • Clinica Mexico

    Piedras Negras, Coahuila, 26020, Mexico

More trials for these conditions

Other studies related to the condition(s) this trial covers.