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Brain ultrasound may help decide on shunt surgery for hydrocephalus

NCT ID NCT07285928

Knowledge-focused Sponsor: University Hospital, Tours 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 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 Results may not be published yet.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This status has not been confirmed recently, so it may be out of date.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 tests whether a non-invasive brain ultrasound can predict which patients with suspected normal pressure hydrocephalus will improve after shunt surgery. Researchers will measure brain pulsatility before a lumbar puncture and again one year later. The goal is to see if this ultrasound can help doctors make better decisions about who needs surgery.

What this could mean

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

Active substance
transcranial ultrasound measurement of cerebral pulsatility
What this could lead to
If successful, this could provide a simple, non-invasive test to help doctors decide which patients with suspected normal pressure hydrocephalus will benefit from shunt surgery.
What could go wrong
This is an early-stage observational study with only 110 participants. The ultrasound measurement may not reliably predict outcomes, and 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 110 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

May 2029

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

Adult with suspected iNPH, hospitalized at Tours University Hospital for "hydrocephalus assessment"

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: * Adult * Suspected iNPH (= at least 1/3 of the triad symptoms + ventriculomegaly on brain imaging) * Hospitalised at Tours University Hospital for 'hydrocephalus assessment' * Patient who has provided written and signed consent Non-inclusion criteria * Individuals who objected to data processing * Walking assessment by the physiotherapy team impossible AND cognitive assessment by the speech therapy team impossible Exclusion criteria * Patients already fitted with a CSF shunting system (VPS) * Suspicion of obstructive hydrocephalus (aqueduct stenosis, tumour, etc.) * Patients under legal protection (guardianship, curatorship, judicial protection).

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Conditions

The condition(s) this trial relates to.

normal pressure hydrocephalus

As listed by the trial registrant

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

Brain pulsatility Idiopathic normal pressure hydrocephalus (INPH)

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

  • university hospital, Tours

    Tours, 37044, France

More trials for these conditions

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