Massive biobank aims to predict which brain aneurysms will rupture
NCT ID NCT06689410
First seen Jun 27, 2026 · Last updated Sep 03, 2026 · Updated 2 times
Summary
This study is creating a large collection of medical data and biological samples from 1,100 people with brain aneurysms. The goal is to find better ways to predict which aneurysms are at risk of rupturing, which could lead to more personalized monitoring and treatment. Participants provide blood samples and imaging scans, and researchers analyze genetic and imaging features to improve risk assessment.
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
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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
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About 1,100 people
The number the study aims to enrol. It can still change while the study runs.
- Started
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Mar 2025
- Expected to finish
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Mar 2027
An estimate. End dates often move.
- Lead sponsor
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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.
- Ages
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18 years and older
- Sex
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Anyone
- Healthy volunteers
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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 Hide 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 for sporadic ICA cases: * Any adult patient consulting for a definite and typical bifurcation AIC authenticated on MRI and/or cerebral arteriography * Aneurysm discovered less than a year ago, with initial imaging (MRI and/or CTA and DSA) available * Written consent obtained for study participation * Patient covered by a social security plan Inclusion criteria for index and related cases (familial forms) of intracranial aneurysms (ICA): * Index case: Any adult patient consulting for a definite and typical bifurcation ICA presenting at least one other case with ICA related (child, parent, brother, sister) detected by MRI with at least one Time of Flight (TOF) sequence. * Family relatives: children, parents, brothers, sisters, of legal age, of patients with a family history of definite, typical bifurcation AIC (≥ 4 affected), Screening to be performed using MRI with at least a Time of Flight (TOF) sequence. * Written consent to participate in the study * Patient and relatives covered by a social security plan Exclusion Criteria: * Syndromic diagnosis known to cause ICA: Marfan syndrome, OSA with SMAD 3, Elhers Danlos syndrome type II and IV, Autosomal Dominant Cystic Fibrosis, Moya-Moya syndrome * AIC with : Dissecting or fusiform, Associated with arteriovenous malformation, Blister-like, Mycotic * Cerebral white matter pathology detected on MRI evoking : Col4a1 mutation * Patient under guardianship or conservatorship * Person under court protection * Contraindication to an MRI scan
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Conditions
The condition(s) this trial relates to.
As listed by the trial registrant
The condition terms exactly as the trial's registrant entered them.
How to take part
Only the study team decides who joins. These are the ways to reach them.
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The places running it
26 sites. The list below names each one and where it is.
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The official record
ClinicalTrials.gov lists the study team's own contact details, including names and phone numbers. We don't republish those.
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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
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APHM
NOT_YET_RECRUITINGMarseille, France
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CHRU Tours Hôpital Bretonneau
RECRUITINGTours, France
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CHRU de Nancy
RECRUITINGNancy, France
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CHU Amiens
NOT_YET_RECRUITINGAmiens, France
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CHU Angers
NOT_YET_RECRUITINGAngers, France
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CHU Besançon
NOT_YET_RECRUITINGBesançon, France
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CHU Bordeaux Hôpital Pellegrin
RECRUITINGBordeaux, France
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CHU Caen-Normandie
RECRUITINGCaen, France
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CHU Clermont-Ferrand
RECRUITINGClermont-Ferrand, 63000, France
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CHU Limoges
NOT_YET_RECRUITINGLimoges, France
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CHU Rennes
RECRUITINGRennes, France
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CHU St Etienne
NOT_YET_RECRUITINGSaint-Etienne, France
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CHU de Brest
RECRUITINGBrest, France
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CHU de Montpellier
NOT_YET_RECRUITINGMontpellier, France
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CHU de Poitiers
NOT_YET_RECRUITINGPoitiers, France
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CHU de Reims
NOT_YET_RECRUITINGReims, France
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CHU de Rouen
RECRUITINGRouen, France
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CHU de Toulouse
NOT_YET_RECRUITINGToulouse, France
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GHU Paris - Hôpital Ste Anne
RECRUITINGParis, France
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HIA Sainte-Anne
NOT_YET_RECRUITINGToulon, France
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Hôpital Foch
NOT_YET_RECRUITINGSuresnes, France
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Hôpital Fondation Rothschild
NOT_YET_RECRUITINGParis, France
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Hôpital La Pitié Salpêtrière
NOT_YET_RECRUITINGParis, France
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Hôpital Lariboisière
NOT_YET_RECRUITINGParis, France
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Hôpitaux Universitaires de Strasbourg
NOT_YET_RECRUITINGStrasbourg, France
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Nantes University Hospital
RECRUITINGNantes, Loire-Atlantique, 44093, France
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