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New brain valve aims to ease fluid buildup

NCT ID NCT04746625

Disease control Sponsor: Sophysa 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 Results may not be published yet.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This status has not been confirmed recently, so it may be out of date.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 27, 2026 · Last updated Jun 27, 2026

Summary

This study looks at how safe and well a new adjustable valve system works for people with hydrocephalus, a condition where fluid builds up in the brain. About 126 patients will receive the valve to help drain excess fluid. The main goals are to see if the valve causes serious side effects and how often it needs to be replaced.

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 126 people

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

Started

Jun 2021

Expected to finish

Jun 2033

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.

Who is studied

Adults, children and neonates, regardless of gender with hydrocephalus.

Ages

Children (under 18), adults (18 to 64) and older adults (65 and over)

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: * Patient implanted with the Polaris® 24 adjustable valve system for the following reasons: * Primo implant of a valve shunt-based derivation system, or as a * Replacement of another valve -based shunt system, or * Endoscopic ventriculostomy (EVT) failure * Patient having given his/her informed consent prior to inclusion in this study, as per local regulations Exclusion Criteria: * Confirmed or suspected infections along the length of the shunt (meningitis, ventriculitis, peritonitis, septicemia or bacteremia) or any infection present in any part of the body * Patient on anticoagulant therapy, or presenting with bleeding diathesis, or with haemorrhagic CSF, as the presence of blood in the system could lead to an obstruction in the system * Ventriculo-atrial shunts in patient suffering from congenital cardiopathies or other malformations of the cardio-pulmonary system

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Conditions

The condition(s) this trial relates to.

hydrocephalus

As listed by the trial registrant

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

Hydrocephalus

How to take part

Only the study team decides who joins. These are the ways to reach them.

  1. The places running it

    2 sites. 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

  • La Pitié Salpétrière Hospital

    RECRUITING

    Paris, 75013, France

  • La Timone Children's Hospital

    RECRUITING

    Marseille, 13385, France

More trials for these conditions

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