About this trial
The purpose of this research is to assess safety and preliminary effectiveness of the Physician-Modified Terumo Treo Abdominal Stent-Graft System.
Eligibility criteria
This trial does not accept healthy volunteersQualifiers
An aneurysm with a maximum diameter of >5.5cm in males and >5.0cm in females in diameter just proximal to the aneurysm using orthogonal (i.e., perpendicular to the centerline) measurements
Aneurysm with a history of growth > 0.5 cm in 6 months
Saccular aneurysm deemed at significant risk for rupture
Symptomatic aneurysm
Disqualifiers
Can be treated in accordance with the instructions for use with a legally marketed endovascular prosthesis
Is eligible for enrollment in a manufacturer-sponsored IDE at the investigational site
Unwilling to comply with the follow-up schedule
Inability or refusal to give informed consent by subject or legal representative
Trial design
Single group
Treatments tested in this trial
Physician-Modified Terumo Treo Abdominal Stent-Graft System
DeviceA physician modified Terumo Treo abdominal stent-graft system will be used during repair surgery for type II, III and IV thoracoabdominal aortic aneurysms.
Treatment groups
Trial outcomes
Primary outcomes
Proportion of study subjects with treatment success at 1 year
Treatment success is defined as freedom from the following: * Aneurysm enlargement: \>5mm as compared to any previous CT measure using orthogonal (i.e., perpendicular to the centerline) measurements. * Aneurysm rupture * Aneurysm-related mortality * Conversion to open repair * Secondary intervention for migration, Type I and III endoleaks, device integrity failure (e.g., fracture), and patency-related events (i.e., device component stenosis or occlusion and embolic events) * Graft infection * Disabling Stroke * Permanent dialysis Results are reported as a percentage
Secondary outcomes
Proportion of procedures that achieve technical success
Technical success is defined as: * Successful access to the arterial system using remote arterial exposure, percutaneous technique, or open surgical conduits * Successful delivery and Deployment at the intended implantation site * Successful side branch catheterization and placement of bridging stents with restoration and maintenance of flow in all intended target vessels. * Successful withdrawal of the delivery system * Patency of all endovascular graft and stent components * Absence of device deformations requiring unplanned placement of an additional device * Absence of Type I and III endoleaks at completion angiography that extends beyond 30 days by confirmatory imaging (CTA, MRA or duplex ultrasound) Results are reported as a percentage
Sponsors and contacts
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