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Could 3D software make brain aneurysm surgery safer and cheaper?

NCT ID NCT07433075

Knowledge-focused Sponsor: Sim&Cure 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 Results may not be published yet.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This status has not been confirmed recently, so it may be out of date.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 tests whether a 3D simulation software called Sim&Size can help doctors plan treatments for unruptured brain aneurysms more accurately than current 2D methods. About 576 adults will be randomly assigned to use the software or standard planning. Researchers will compare hospital costs and complication rates between the two groups.

What this could mean

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

Active substance
Sim&Size software (3D simulation for device placement)
What this could lead to
If successful, this could make aneurysm treatments safer, cheaper, and more precise by helping doctors choose the right implant beforehand.
What could go wrong
This is an early-stage study focused on costs and complications, not a new treatment. The software may not significantly improve outcomes or reduce risks.

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 576 people

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

Started

Apr 2026

Expected to finish

Jun 2028

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: * Patients aged ≥18 years planned to be treated endovascularly for unruptured intracranial aneurysms. * Planned implantable device models is available in the Sim\&Size simulation database and used following their approved indications. * Affiliated with the French social security system. * Signed the information and consent form Exclusion Criteria: * Patients scheduled to undergo endovascular treatment with stents only * Patients presenting for treatment of a ruptured aneurysm * Patients who have already been treated in the planned deployment area and whose previous treatment presents a potential contact with the new implant. * Giant intracranial aneurysm resulting in poor-quality reconstruction in the potential deployment area of the implant during 3DRA acquisition * Presence of artifacts on the 3DRA in the potential deployment area of the implant * Patients with multiple aneurysms whose treatment is planned during a single procedure and who require separate individual therapeutic strategies. Examples of individual therapeutic strategies excluded from the study: placement of two separate flow diverters without telescopic technique, individual coiling of each aneurysm. * Patients for whom pre-planning was performed using Sim\&Cure software prior to patient randomization. * Pregnant or breastfeeding women. * Patients under guardianship or conservatorship. * Emergency situations.

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Conditions

The condition(s) this trial relates to.

brain aneurysm

As listed by the trial registrant

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

Unruptured intracranial aneurysm

How to take part

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

  1. The places running it

    6 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

  • CHU d'Angers

    RECRUITING

    Angers, 49100, France

  • CHU de Bordeaux

    RECRUITING

    Bordeaux, 33000, France

  • CHU de Reims

    NOT_YET_RECRUITING

    Reims, 51092, France

  • Fondation Rothschild

    NOT_YET_RECRUITING

    Paris, 75019, France

  • Hôpital Bicêtre AP-HP

    RECRUITING

    Le Kremlin-Bicêtre, 94270, France

  • Hôpital de La Timone

    NOT_YET_RECRUITING

    Marseille, 13005, France

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