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Eye vein test could replace risky brain pressure monitoring

NCT ID NCT07222826

Diagnosis Sponsor: Compremium AG Source: ClinicalTrials.gov ↗

What the study statuses mean

This study's is highlighted.

Recruitment status, easiest to join first

Recruiting now This study
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
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 Results may not be published yet.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This status has not been confirmed recently, so it may be out of date.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 tests a device called CPMX3 that measures pressure in a small vein near the eye to estimate pressure inside the skull. Currently, measuring brain pressure requires surgery to place a probe inside the head, which carries risks like infection and bleeding. The trial will enroll 15 people who already have an invasive monitor in place, comparing the new device's readings to the standard method to see if it is safe and accurate.

What this could mean

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

Active substance
CPMX3 device
What this could lead to
If successful, this could provide a safe, non-invasive way to measure pressure inside the skull, reducing the need for risky brain surgery.
What could go wrong
This is a very small, early safety and feasibility study with only 15 participants. The device may not prove accurate enough to replace current invasive methods.

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.

Phase

Not a phased trial

Phase numbers describe drug development. The registry uses this when they do not apply, as it does for trials of devices, procedures or behaviour changes, and for observational studies.

Participants

About 15 people

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

Started

Sep 2025

Expected to finish

Sep 2026

An estimate. End dates often move.

Lead sponsor

A company

The lead sponsor is a pharmaceutical, biotech, or medical-device company.

Who can take part

This study's own entry requirements. Only the study team can say for certain whether you qualify.

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: * Male or female * Age \> 18 * Equipped with an invasive ICP monitor as part of standard of care Exclusion Criteria: * Presence of facial and/or skull trauma that could hinder placement of the pneumatic mask or contraindicate ultrasound on the forehead * History of recent cranial surgery or hemicraniectomy * Active bleeding (proven or suspected) * History or known pathological condition or injury linked to the orbital socket influencingvenous outflow (e.g. Grave disease, tumor, inflammation, trauma, glaucoma, etc.) * History, or known vein stenosis in ophthalmic veins/cavernous sinus * Any other condition that would interfere with measurement technique and routine clinical care according to the judgment of the investigator.

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Conditions

The condition(s) this trial relates to.

intracranial hypertension

As listed by the trial registrant

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

Intracranial pressure Intracranial pressure changes

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

  • Baylor College of Medicine

    RECRUITING

    Houston, Texas, 77030, United States

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