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Massive registry tracks brain aneurysm and stroke device outcomes

NCT ID NCT06494436

Knowledge-focused Sponsor: Microvention-Terumo, Inc. 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 Results may not be published yet.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This status has not been confirmed recently, so it may be out of date.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 is collecting information from 1,000 people who have been treated for brain aneurysms or stroke using MicroVention devices. The goal is to see how well these treatments work in real life, not just in controlled trials. No new treatments are being tested—just data gathered from routine care.

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 1,000 people

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

Started

Dec 2024

Expected to finish

Jun 2030

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

* Cohort 1: Patients with ruptured or unruptured intracranial aneurysms who are treated endovascularly with commercially available MicroVention implant devices at the direction of the treating physician * Cohort 2: Patients with acute ischemic stroke in the cerebral circulation who are treated with mechanical thrombectomy using selected commercially available Microvention devices, at the direction of the treating physician.

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, or another authorized person as per country-specific regulations, is informed of the data collection and gives non-opposition or consent prior to the data collection in accordance with institutional and geographic requirements. * For Cohort 1, patient is treated for a ruptured or unruptured intracranial aneurysm using a commercially available MicroVention implant device as the primary treatment device and the decision to use this device has been made by the treating physician outside the context of the MAESTRO study. * For Cohort 2, patient is treated using a commercially available MicroVention mechanical thrombectomy device as the first-line treatment strategy and the decision to use this device has been made by the treating physician outside the context of the MAESTRO study. Note: For the purposes of this protocol, ancillary/accessory devices such as balloon catheters, carotid stent for extracranial stenosis and other access devices are not considered primary treatment devices. Further, devices used for rescue following attempt of a different primary treatment device are not considered initial primary treatment devices. Exclusion Criteria: * Patient is or is expected to be inaccessible for follow-up. * Patient is participating or intends to participate in another study that changes the site practice. * Patient is already participating in the MAESTRO study for the same pathology.

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Conditions

The condition(s) this trial relates to.

acquired aneurysmal subarachnoid hemorrhage brain aneurysm ischemic stroke subarachnoid hemorrhage

As listed by the trial registrant

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

Acute ischemic stroke Aneurysmal subarachnoid hemorrhage Intracranial aneurysm Intracranial aneurysm, wide neck aneurysm, large neck aneurysm lesion Ischemic stroke

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

  • Álvaro Cunqueiro Hospital - University Hospital Complex of Vigo, Department of Radiology

    RECRUITING

    Vigo, Pontevedra, 36312, Spain

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