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New chimney graft study aims to fix tricky aortic aneurysms without open surgery

NCT ID NCT03320252

Disease control Sponsor: Medtronic Cardiovascular Source: ClinicalTrials.gov ↗

What the study statuses mean

This study's is highlighted.

Recruitment status, easiest to join first

Recruiting now
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 This study
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 Results may not be published yet.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This status has not been confirmed recently, so it may be out of date.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 a special chimney graft technique for people with a type of aortic aneurysm that is hard to treat because it is close to the kidneys. The goal is to see if this method is safe and works well in everyday medical practice. About 150 adults will take part, and researchers will track major complications and how well the repair holds up over time.

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 150 people

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

Started

Oct 2017

Expected to finish

Jul 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

The study population will be comprised of subjects that meet the indications for the Endurant Chimney Graft Technique for the endovascular treatment of juxtarenal aortic aneurysms with a short infrarenal neck.

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: * Subject is ≥18 years old * Subject is scheduled for primary treatment of the juxtarenal aortic aneurysm with a short infrarenal neck (i.e. no revision subjects) * Subject is able and willing to comply with the protocol and to adhere to the follow-up requirements * Subject has provided written informed consent * Subject is an eligible candidate according to the currently available Endurant II/IIs instructions for use for ChEVAR * Subject has a juxtarenal aortic aneurysm with a short infrarenal neck (definition of juxtarenal aortic aneurysm with a short infrarenal neck will be in accordance with commercially available Endurant II/IIs instructions for use for ChEVAR). Exclusion Criteria: * Subject is participating in a concurrent study which may confound study results * Subject has a life expectancy ≤ 2 year * Subject has an aneurysm that is: * Suprarenal or pararenal * Isolated iliofemoral * Mycotic * Inflammatory * Pseudoaneurysm * Subject requires emergent aneurysm treatment, for example, trauma or rupture * Subject has previously undergone surgical treatment for abdominal aortic aneurysm * Subject is a female of childbearing potential in whom pregnancy cannot be excluded * Subject has a known hypersensitivity or contraindication to anticoagulants, anti-platelets, or contrast media, which is not amenable to pre-treatment * Subject has a creatinine level \>2.0 mg/dl (or \>176.8 μmol/L) and/or is on dialysis * Subject has an active COVID-19 infection or relevant history of COVID-19. Relevant history of COVID-19 is defined as availability of a positive COVID-19 test with sequela or hospitalization for treatment of COVID-19. Subjects with a positive COVID-19 test who were asymptomatic or had mild symptoms should be excluded only if the positive test was less than 6 months prior to enrollment

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Conditions

The condition(s) this trial relates to.

abdominal aortic aneurysm

As listed by the trial registrant

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

Aaa - abdominal aortic aneurysm

Contacts and locations

Locations

  • Azienda Ospedaliera San Camillo Forlanini - Ospedale San Camillo

    Roma, 00152, Italy

  • Azienda Ospedaliera di Cosenza

    Cosenza, 87100, Italy

  • CHU de Bordeaux - Centre Universitaire Pellegrin

    Bordeaux, 33000, France

  • CINRE s.r.o.

    Bratislava, 85105, Slovakia

  • Central Manchester University Hospitals NHS - Manchester Royal Infirmary

    Manchester, M13 9WL, United Kingdom

  • Centre Hospitalier Universitaire Vaudois (CHUV)

    Lausanne, 1011, Switzerland

  • Corporacío Parc Taulí - Hospital de Sabadell

    Sabadell, 08208, Spain

  • Elisabeth Krankenhaus Essen GmbH

    Essen, 45138, Germany

  • Evaggelismos General Hospital of Athens

    Athens, 106 76, Greece

  • Hospital Clinic de Barcelona

    Barcelona, 08036, Spain

  • Hospital de Santa Marta

    Lisbon, 1169-024, Portugal

  • Hôpitaux Universitaires Paris Ile-de-France Ouest - Hôpital Ambroise-Paré

    Boulogne-Billancourt, 92104, France

  • Ippokrateio General Hospital of Thessaloniki

    Thessaloniki, 546 42, Greece

  • Klinikum Chemnitz gGmbH

    Chemnitz, 09116, Germany

  • Medisch Spectrum Twente

    Enschede, 7512 KZ, Netherlands

  • Ordensklinikum Linz GmbH / Elisabethinen

    Linz, 4010, Austria

  • Ospedale Civile Sant'Andrea

    La Spezia, 19124, Italy

  • Russian Cardiologic Research and Production Complex, Russian Ministry of Health

    Moscow, 121552, Russia

  • Skånes Universitetssjukhus Malmö

    Malmö, 205 02, Sweden

  • St George's University Hospitals - NHS Trust

    London, SW17 0QT, United Kingdom

  • St. Franziskus-Hospital Münster GmbH

    Münster, 48145, Germany

  • Stichting Rijnstate Ziekenhuis

    Arnhem, 6815, Netherlands

  • University Hospital of Larissa

    Larissa, 413 34, Greece

  • Universitäts Klinikum Frankfurt - Goethe-Universität

    Frankfurt am Main, 60590, Germany

  • Universitätsklinikum Heidelberg

    Heidelberg, 69120, Germany

  • Zuyderland Medisch Centrum

    Heerlen, 6419PC, Netherlands

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