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Clinical Trial Details — Status: Completed

Administrative data

NCT number NCT01599533
Other study ID # 2011-A00042-41
Secondary ID 2012-01
Status Completed
Phase N/A
First received
Last updated
Start date June 2012
Est. completion date July 2018

Study information

Verified date October 2019
Source Assistance Publique Hopitaux De Marseille
Contact n/a
Is FDA regulated No
Health authority
Study type Interventional

Clinical Trial Summary

Many publications deal with the natural history of aortic aneurysms in literature. Except for connective tissue disorders as Marfan or Loeys-Dietz syndrome, aortic aneurysms are a complex multifactorial disease with genetic and environmental risk factors. Susceptibility loci identified in thoracic aortic aneurysms (TAA) and abdominal aortic aneurysms (AAA) do not overlap, suggesting that different genetic risk factors contribute to these two forms of aneuryms. With a higher prevalence correlated to ageing (5%), AAA is usually presented as the degenerative form of the disease. However, a recent epidemiologic study by Olsson et al. has revealed an increasing incidence of thoracic aortic disease among older individuals (70+/-12 years) with 60% of aneurysmal rupture or dissection at diagnosis, and a 1.7 :1 male-to-female ratio compared to 6:1 in AAA. From this current knowledge arises the concept of diffuse or plurisegmental degenerative aneurysmal aortic disease, poorly explored so far. As regards to the prevention policy, there is a consensus statement in which ultrasonography screening for AAA is recommended for all individuals aged > 60 years (particularly in men who have ever smoked) and for those aged > 50 years with family history of AAA. Nevertheless, screening for a concomittant thoracic location of the disease (except thoracoabdominal aneurysm) is not yet required, whereas it could change the prognosis of the patients and influence their management.


Description:

Through the constitution of a multicentric prospective cohort of patients with infra-renal AAA (n=450), the investigators aimed to determine the prevalence of a concomitant TAA, and the epidemiologic, clinical, biological and genetic factors related to this aortic phenotype. Therefore, the investigators postulate for a prevalence of the AAA-TAA association inferior or equal to 15%. By the use of an innovating software (AMIRA) to analyse scans, the investigators will perform reproductive measurements of segmental diameters from a segmental aortic volumetric numerized imaging, and describe the different thoracic aortic phenotypes associated with AAA, including the form (TAA, penetrating ulcer, dolichoaorta …) and the location of the disease.


Recruitment information / eligibility

Status Completed
Enrollment 345
Est. completion date July 2018
Est. primary completion date July 2017
Accepts healthy volunteers No
Gender All
Age group 18 Years and older
Eligibility Inclusion Criteria:

- Major subject at the time of the inclusion

- Subject sent in hospitalization or in consultation of surgery vascular for coverage of the first one anévrysme of the sub-renal abdominal aorta degenerative, without anomaly associated by the coeliac aorta, and by the upper diameter in 40mm (according to the criteria of measure recommended for the analysis in echography doppler or in angioscanner).

- subject not presenting contraindication to the realization of the diagnostic examination by aortic angioscanner

- Subject having signed a consent.

Exclusion Criteria:

Subject under age 18

- pregnant Woman

- Subject received in the phase aigue of a break or a fissuring of an AAA under renal

- Subject already operated for a thoracic or abdominal aortic anévrysme

- Subject presenting at least one of the following pathologies:

- heart disorder valvulaire aortic: aortic incapacity of rank superior to 2, tight aortic stenosis, prosthesis valvulaire aortic

- context of bicuspidie station wagon diagnosed on at least 2 parents of the first degree

- of a not degenerative aortopathie anévrysmale bound(connected) in bicuspidie aortic, or: A dissection of type(chap) A or of type(chap) B

- Of a degenerative aortopathie of type anévrysme thoracoabdominal (in particular, affected by the coeliac aorta, defined by the segment enter the diaphragmatique crossing and the renal arteries)

Study Design


Intervention

Other:
blood samples


Locations

Country Name City State
France Assistance Publique Hopitaux de Marseille Marseille

Sponsors (1)

Lead Sponsor Collaborator
Assistance Publique Hopitaux De Marseille

Country where clinical trial is conducted

France, 

Outcome

Type Measure Description Time frame Safety issue
Primary BLOOD SAMPLES to determine the prevalence thoracic aortic aneurysms (TAA) and abdominal aortic aneurysms (AAA) 3 YEARS
Secondary ANGIOSCAN the validation of volumetric criteria to quantify the aortic remodeling in TAA or untreated AAA 3 YEARS
Secondary CARDIAC STATEMENT cardiac echography 3 YEARS
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