New device aims to seal brain aneurysms without surgery

NCT ID NCT04380350

Completed Disease control Sponsor: Stryker Neurovascular Source: ClinicalTrials.gov ↗

First seen Jun 26, 2026 · Last updated Jun 27, 2026 · Updated 1 time

Summary

This study tested a device called Trenza for treating brain aneurysms. It involved 150 people aged 18 to 80 with a single saccular aneurysm between 6 and 12 mm. The goal was to see if the device could safely block the aneurysm from blood flow and prevent strokes.

What this could mean

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

Active substance: Trenza embolization device
What this could lead to: If it works, this device could offer a safe and effective way to treat brain aneurysms without open surgery.
What could go wrong: This is a post-market study, so the device is already approved. However, risks include stroke or incomplete aneurysm sealing.

This is an AI summary of the original study and may miss details. Read our disclaimer.

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Conditions

The condition(s) this trial relates to.

Aneurysm brain aneurysm

As listed by the trial registrant

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

ANEURYSM INTRACRANIAL ANEURYSM

Contacts and locations

Locations

APHP Bicêtre

Paris, France
Asklepios Hospital Hamburg St. Georg

Hamburg, Germany
Besta hopsital

Milan, Italy
Bordeaux Hopsital

Bordeaux, France
Brest Hospital

Brest, France
HCL Lyon

Lyon, France
Helsinski University Hospital

Helsinki, Finland
Hospital Clinic i Provincial de Barcelona

Barcelona, Spain
Hospital Universitario 12 de octubre

Madrid, Spain
Montpellier Hospital

Montpellier, France
NHS Lothian

Edinburgh, United Kingdom
Purpan Hospital

Toulouse, France
Queen Elizabeth Hospital Birmingham

Birmingham, United Kingdom
Queen Elizabeth University Hospital

Glasgow, United Kingdom
Salzburg University Hopsital

Salzburg, Austria
Turun yliopistollinen keskussairaala

Turku, Finland
Universitätsklinikum Knappschaftskrankenhaus Bochum GmbH

Bochum, Germany
Universitätsklinikum Schleswig-Holstein Campus Lübeck

Lübeck, Germany

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