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Comparison of Surveillance Versus Aortic Endografting for Small Aneurysm Repair — CAESAR  

Aortic Aneurysm, Abdominal Clinical Trial

Official title:
Randomized Clinical Trial Comparing Surveillance and Selective Surgical Treatment for Abdominal Aortic Aneurysms Less Than 5.5 cm in Diameter Versus Early Endovascular Treatment

Clinical Trial Summary

Objective of the present study is to compare endovascular repair versus surveillance and, eventually delay treatment in patients with small abdominal aortic aneurysms (AAA), with respect to patient survival, AAA rupture and AAA related death risks.

Clinical Trial Description

The study will include patients with small AAA (diameter 4.1 to 5.4 cm defined by Computed Tomographic scan) suitable for endovascular repair (EVAR).

Randomization is designed with equal probability of assignment to each of the two groups (ie, immediate endovascular repair or surveillance group) by means of a computer-generated -random-number list . After eligibility is verified, assignment will be made using a computer database held at the Coordinating Centre.

In the immediate repair group, endovascular repair with introduction of an aortic endograft (Cook Zenith) will be performed within six weeks from randomization.

In the surveillance group, patients are followed without repair until the aneurysm reaches 5.5 cm in diameter, or enlarges at least 1.0 cm in one year, or until patient develops symptoms that are attributed to the aneurysm by the attending investigator. When one of these criteria is met, endovascular repair (if the patient remains a candidate for EVAR), or open repair will be carried out. ;

Study Design

Allocation: Randomized, Endpoint Classification: Efficacy Study, Intervention Model: Factorial Assignment, Masking: Open Label, Primary Purpose: Treatment

Related Conditions & MeSH terms

Clinical Trial Details
NCT number NCT00118573
Study type Interventional
Source University Of Perugia
Contact
Status Terminated
Phase Phase 4
Start date September 2004
Completion date September 2017
View Details
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