Conservative Aortic Valve Surgery for Aortic Insufficiency & Aneurysms of

Status Completed

Clinical Trial Summary

The primary objective of the CAVIAAR study is to prove that aortic valve sparing for patients with aortic root aneurysms and/or dystrophic aortic insufficiency is associated with a 45% increase of 3 years-survival rate without increased mortality or serious increased morbidity events when compared to mechanical valve replacement.

The main hypothesis of this study is that a standardized procedure of valve sparing based on external aortic annuloplasty in patients with dystrophic aortic insufficiency and/or aortic root aneurysm increases survival rate without increased mortality or serious increased morbidity events when compared with patients undergoing mechanical aortic valve replacement.

Clinical Trial Description

The CAVIAAR trial is a multicenter, prospective open trial. Target recruitment is 260 adults with aortic root aneurysms and/or dystrophic aortic insufficiency, enrolled in 19 french centers. Patients will undergo a standardized aortic valve sparing procedure based on aortic annuloplasty or a mechanical valve replacement (130 patients in each arm). In case of valve sparing, per-operative transoesophageal echocardiography will evaluate residual aortic insufficiency after valve repair. A conversion towards a valve replacement will be performed if residual aortic insufficiency is superior or equal to grade II.

Analysis will be on an intention-to-treat basis, completed with a per-protocol analysis. Primary endpoint will be 3-years survival free of morbidity or mortality, evaluated on a composite criterion, associating mortality; structural and non-structural valvular dysfunction, valve thrombosis, embolism, bleeding event, endocarditis, reoperations and permanent valve-related impairment. In the valve sparing group, we expect less than 5% rate of operative conversion and a significant improvement of primary endpoint. As secondary goals, quality of life and criteria of valvular coaptation will be compared between the 2 groups.

Standardization is the prerequisite for evaluation of valve sparing procedure. Aim of CAVIAAR trial is to provide evidence based medicine data for the best surgical management of patients with aortic root aneurysms and/or dystrophic aortic insufficiency. ;

Study Design

Allocation: Non-Randomized, Endpoint Classification: Safety/Efficacy Study, Intervention Model: Parallel Assignment, Masking: Open Label, Primary Purpose: Treatment

Related Conditions & MeSH terms

Clinical Trial Details

NCT number	NCT00478803
Study type	Interventional
Source	Assistance Publique - Hôpitaux de Paris
Contact
Status	Completed
Phase	Phase 3
Start date	May 2007
Completion date	November 2014

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Clinical trials are conducted in a series of steps, called phases - each phase is designed to answer a separate research question.

Phase 1: Researchers test a new drug or treatment in a small group of people for the first time to evaluate its safety, determine a safe dosage range, and identify side effects.
Phase 2: The drug or treatment is given to a larger group of people to see if it is effective and to further evaluate its safety.
Phase 3: The drug or treatment is given to large groups of people to confirm its effectiveness, monitor side effects, compare it to commonly used treatments, and collect information that will allow the drug or treatment to be used safely.
Phase 4: Studies are done after the drug or treatment has been marketed to gather information on the drug's effect in various populations and any side effects associated with long-term use.

Conservative Aortic Valve Surgery for Aortic Insufficiency and Aneurysms of the Aortic Root. CAVIAAR — CAVIAAR

Clinical Trial Summary

Clinical Trial Description

Study Design

Related Conditions & MeSH terms