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Clinical Trial Details — Status: Completed

Administrative data

NCT number NCT00442065
Other study ID # 2003-001P2
Secondary ID
Status Completed
Phase Phase 2/Phase 3
First received February 28, 2007
Last updated October 15, 2012
Start date October 2006
Est. completion date April 2009

Study information

Verified date October 2012
Source Lombard Medical
Contact n/a
Is FDA regulated No
Health authority United Kingdom: Medicines and Healthcare Products Regulatory AgencySpain: Comité Ético de Investigación Clínica
Study type Interventional

Clinical Trial Summary

To assess the safety and performance of Aorfix™ Stent Grafts in the treatment of Abdominal Aortic and Aorto-Iliac Aneurysm where a significant degree of vessel angulation exists at the neck of the aneurysm or in the common iliac arteries.


Description:

The Aorfix™ Stent Graft is currently a CE-marked product indicated for AAA where the angle of the aneurysm is <65o. The objective of this study is to evaluate the safety and performance of the bifurcated Aorfix™ Stent Graft in the treatment of infrarenal abdominal aortic aneurysms and aorto-iliac aneurysms, in infrarenal necks angulated > 60o (between 60 to 90 degrees) as measured by 3-dimensional reconstruction in order to widen the indication.

The investigation is a prospective open label, single arm, multi-centre clinical study. The study group will consist of 25 evaluable participants. In order to account for patients lost to follow up (estimated at approximately 20%) up to 30 patients will be enrolled in the study.


Recruitment information / eligibility

Status Completed
Enrollment 30
Est. completion date April 2009
Est. primary completion date April 2009
Accepts healthy volunteers No
Gender Both
Age group 19 Years and older
Eligibility Inclusion Criteria:

- Diagnosis of abdominal aortic aneurysm 50 mm or larger in diameter, 40 mm or larger in diameter if symptomatic (i.e. pain, embolisation), or documented AAA growth of more than 5 mm within the previous 6 months, and/or including extension into common iliac artery(ies), or any saccular aneurysm.

- Infrarenal neck with a minimum length of 15 mm and a neck angulation between 60° and 90°, as assessed in 3 dimensions.

- The iliac artery diameter must be of appropriate diameter (1 mm smaller than the device diameter), with an appropriate distal landing length. The tortuosity of the common or external iliac arteries or femoral arteries must be low to medium (refer to operations manual).

- Patient provides written informed consent.

- Patients >18 years who are suitable for endovascular repair.

- Patient fit for endovascular surgery, with a diameter at the access sites of 7mm or larger bilaterally.

- Patient has a life expectancy longer than the duration of the study.

Exclusion Criteria:

- Patient has a ruptured aneurysm.

- Patient has insufficient length of proximal aneurysm neck (<15mm from aneurysm to lowest renal artery and <20 mm from the aneurysm to the SMA).

- Aneurysm extends above renal arteries.

- Proximal neck of aneurysm has significant loose thrombus associated with it, or significant circumferential calcifications.

- Pregnant or nursing patients.

- Patient unfit for bail-out surgery and appropriate anaesthesia.

- Patient with an acute or chronic aortic dissection or mycotic aneurysm (defined by localised asymmetric aneurysm sac).

- Patient has current non-localised infection.

- Patient has known allergy to graft materials, Nitinol, or contrast media.

- Patient's where imaging is problematic; an example is an obese patient.

- Patient has co-morbidities that deny vascular access, including small / tortuous access vessels.

Study Design

Endpoint Classification: Safety/Efficacy Study, Intervention Model: Single Group Assignment, Masking: Open Label, Primary Purpose: Treatment


Intervention

Device:
Aorfix™ Stent Grafts (AAA endovascular procedure)
Endovascular treatment of AAA using the Aorfix™ Stent Graft and Delivery System

Locations

Country Name City State
Czech Republic 2 Interni Klinika; General University Hospital Prague
Germany Klinik für Gefäßchirurgie; St.-Franziskus Hospital Münster Munster
Poland Department of Interventional Radiology, University School of Medicine Lublin
Spain Vascular Surgery Division, Thoracic Institute, Hospital Clinic, University of Barcelona Barcelona
United Kingdom Belfast City Hospital Trust Belfast
United Kingdom Freeman Hospital; Main X-Ray Newcastle upon Tyne

Sponsors (1)

Lead Sponsor Collaborator
Lombard Medical

Countries where clinical trial is conducted

Czech Republic,  Germany,  Poland,  Spain,  United Kingdom, 

References & Publications (1)

Harris PL, Vallabhaneni SR, Desgranges P, Becquemin JP, van Marrewijk C, Laheij RJ. Incidence and risk factors of late rupture, conversion, and death after endovascular repair of infrarenal aortic aneurysms: the EUROSTAR experience. European Collaborators on Stent/graft techniques for aortic aneurysm repair. J Vasc Surg. 2000 Oct;32(4):739-49. — View Citation

Outcome

Type Measure Description Time frame Safety issue
Primary The primary endpoints are acute technical success, initial performance and safety at 1-month follow up. 1-month post-procedure Yes
Secondary Secondary endpoints will examine recovery factors: operative time, ICU duration, blood loss, days to normal diet, days to discharge, days to ambulation, freedom from non-clinical events, need for secondary procedure and conversion to uni-iliac. 6-months post-procedure Yes
Secondary As well as safety at 6-month follow-up as measured by serious adverse events that occur up to 6-months post-procedure. 6-months post-procedure Yes
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