Aortic Dissection Clinical Trial
— EVOLVE AortaOfficial title:
Endovascular Treatment of Thoracic Aortic Disease
Verified date | February 2022 |
Source | Massachusetts General Hospital |
Contact | n/a |
Is FDA regulated | No |
Health authority | |
Study type | Interventional |
The purpose of this study is to assess the role endovascular therapy to treat aortic disease involving the ascending aorta, the aortic arch, and the visceral segment of the aorta (or thoracoabdominal aorta)
Status | Enrolling by invitation |
Enrollment | 170 |
Est. completion date | December 2027 |
Est. primary completion date | December 2027 |
Accepts healthy volunteers | No |
Gender | All |
Age group | 18 Years and older |
Eligibility | Ascending Arm Protocol: 1. General Inclusion Criteria (Must meet ALL of the following): - Life expectancy greater than 2 years - Suitable arterial anatomy - Absence of systemic disease or allergy that precludes an endovascular repair - Capable of giving informed consent and willingness to comply with follow up schedule - Patient is considered high or prohibitive risk for open surgical repair of the ascending aneurysm or dissection 2. Anatomic Inclusion Criteria - Have ONE of the following 1. Focal aneurysm in ascending aorta 2. Pseudoaneurysms and/or dissections that are distal to the sinotubular junction. 3. A thoracoabdominal aortic aneurysm = 5.0 cm in women and = 5.5 cm in men 4. Have morphology or growth suggestive of immanent rupture - Must meet ALL of the following: 1. Proximal Fixation: 1. >15 mm aortic length distal to a patent coronary artery or coronary artery bypass that are considered patent and necessary for proper cardiac perfusion. - Proximal fixation may occur in either native aorta or surgical graft - In the setting of the aortic dissection, the proximal fixation must be proximal to the entry tear. - In the setting of aortic dissection, true lumen size must be large enough to allow deployment of the device 2. Aortic diameter at the sinotubular junction >20 mm and = 38mm 2. Distal Fixation: a length of distal ascending aorta >5mm proximal to the innominate artery whereby seal and fixation can be achieved (the dissection flap may transcend the arch, but the seal must be achievable within the true lumen of the dissection) 1. Aortic diameter (true lumen diameter in the setting of a dissection) at the innominate artery is = 42mm. If the diameter at the innominate artery is = 38mm the Low Profile version must be used 2. Distance from the ascending aorta to the innominate artery must be >35mm - Iliac artery access 1. Iliac anatomy must allow for the delivery of the endograft device which is loaded within an 18F-24F sheath. 2. Conduits to the iliac vessels or aorta may be used if deemed necessary 3. In the setting of an aortic dissection, access into the true lumen throughout the length of the aorta must be obtainable Arch Arm Protocol 1. General Inclusion Criteria (Must meet ALL of the following): - Life expectancy greater than 2 years - Suitable arterial anatomy - Absence of systemic disease or allergy that precludes an endovascular repair - Capable of giving informed consent and willingness to comply with follow up schedule - Patient is considered high or prohibitive risk for open surgical repair of the ascending aneurysm or dissection 2. Anatomic Inclusion Criteria - Must meet ALL of the following: 1. Aneurysm of the ascending aorta or aortic arch/proximal descending thoracic aorta that is >5.5cm or is considered to be at high risk for rupture or dissection given the morphologic characteristics of the aneurysm (or diverticulum). 2. Proximal aortic fixation zone: 1. Native aorta or surgical graft (If surgical graft in ascending aorta, the angulation within the graft must be <90 degrees) 2. Diameter: 20-42mm 3. Proximal neck length =10mm 4. Ascending aortic length >50mm 5. Must occur distal to coronary arteries and any coronary artery bypass grafts that are considered patent and necessary for proper cardiac perfusion 3. Distal aortic fixation zone: 1. Native aorta or surgical graft 2. Diameter: 20-42mm 3. Distal neck length =10mm 4. Supra-aortic trunk (brachiocephalic) vessels 1. Although the prosthesis will typically have two branches, modifications to the design will allow for a single branch or three branches. Thus, it is generally planned that at least one extra-anatomic bypass graft will be done in conjunction (or in a staged fashion) with the procedure. The two vessels incorporated into the endograft repair would most commonly be the innominate artery and left carotid artery. However, the innominate artery may be coupled with the left subclavian artery in the setting of a bovine arch whereby the flow to the left carotid would come from a left subclavian to carotid bypass. Similarly, the left carotid and subclavian artery may be branched, or simply one vessel branched should specific anatomic limitations exist. In such a situation, multiple extra-anatomic bypasses may be necessary. Thus the inclusion criteria are defined for each artery, yet any combination of arteries may be used for a repair. 2. Diameter of vessel(s) to be incorporated into endograft - Innominate artery: 8-22 mm. - Left (or right) common carotid artery: 6-16mm - Left (or right) subclavian artery: 5-20mm - Length of sealing zone = 10mm - Acceptable tortuosity 5. In the setting of an aortic dissection the following criteria must exist: 1. Access into the true lumen from the groin and at least one supra-aortic trunk vessel 2. A sealing zone in the target aorta (or surgical graft) that is proximal to the primary dissection, such that a stent graft would be anticipated to seal off the dissection lumen 3. A sealing zone in the target supra-aortic trunk vessels that is distal to the dissection, anticipated to seal off the dissection lumen, or surgically created 4. A true lumen size large enough to deploy the device and still gain access into the target branches 6. In the setting of a more distal disease, the repair may be coupled with a thoracoabdominal branched device, infrarenal device, and/or internal iliac branch device - typically performed in a staged fashion 7. Iliac anatomy must allow for the delivery of the arch branch device which is loaded within an 18F-24F sheath. Conduits to the iliac vessels or aorta may be used if deemed necessary. Thoracoabdominal Arm Protocol 1. General Inclusion Criteria (Must meet ALL of the following): - Life expectancy greater than 2 years - Suitable arterial anatomy - Absence of systemic disease or allergy that precludes an endovascular repair - Capable of giving informed consent and willingness to comply with follow up schedule 2. Anatomic Inclusion Criteria - Presence of at least one of the following aneurysms is necessary to drive the need for a repair with a fenestrated/branched device: 1. A thoracoabdominal aortic aneurysm = 5 cm in women and = 5.5 cm in men or suggestive of a high risk of rupture as a result of morphology, growth history or symptoms 2. A renal artery aneurysm > 20 mm (or twice the diameter of native renal artery) 3. An SMA aneurysm >30 mm - Outside of the "Indications for Use" for commercially available fenestrated or branched endografts approved for use for the treatment of these aneurysms. - Proximal neck 1. Diameter = 40 mm, =20 mm 2. Proximal neck length = 10mm. 3. The proximal landing zone may be in a prior endograft or a prior surgical graft. - Iliac Artery 1. Diameter = 7 mm (anticipated diameter following balloon angioplasty, stenting, dottoring, or conduit) or = 6 mm for patients receiving an Low-Profile device. 2. Iliac angulation that will not preclude device delivery or surgical modification of the iliac system 3. For a bifurcated or aorto-monoiliac prosthesis, iliac implantation sites require = 20 mm in diameter and = 20 mm in length - For a straight aorto-aortic prosthesis, distal neck (normal aorta between the aneurysm and iliac bifurcation) = 10 mm in length and = 40 mm in diameter - If a hypogastric branch will be used to treat the common iliac aneurysm 1. The intended common iliac artery is > 20mm in diameter or the aneurysm has morphology concerning for rupture; and 2. The intended distal fixation site within the internal iliac is = 10mm in diameter. - Renal arteries or other visceral vessels arising from the aorta in an orientation that is evident and measurable from cross-sectional imaging (CT or MR) - Visceral branch diameters (for incorporated vessels) between 4 mm - 11 mm at the intended distal sealing site (thus distal to a visceral artery aneurysm in such circumstances). - Greater than 5 mm of proximal visceral branch length to allow for a seal with the mated device, or the ability to exclude an early branch. - In the setting of an aortic dissection the following criteria must exist: 1. Access into the true lumen from the groin and at least one supra-aortic trunk vessel 2. A sealing zone in the target aorta (or surgical graft) that is proximal to the primary dissection, such that a stentgraft would be anticipated to seal off the dissection lumen 3. A sealing zone in the target supra-aortic trunk vessels that is distal to the dissection, anticipated to seal off the dissection lumen, or surgically created 4. A true lumen size large enough to deploy the device and still gain access into the target branches - In the setting of a more proximal disease, the repair may be coupled with an arch-branched device, thoracic aortic endograft, or surgical aortic repair - typically performed in a staged fashion General Exclusion Criteria 1. Patient can be treated in accordance with the instructions for use with a commercially marketed endovascular prosthesis 2. Pregnancy 3. History of anaphylactic reaction to contrast material with an inability to properly prophylax the patient appropriately 4. Known sensitivity or allergy to materials of construction of the device (including the materials of the LP device). 5. Body habitus that would inhibit X-ray visualization of the aorta 6. Subject had a major surgical or interventional procedure unrelated to the treatment of the aneurysm planned <30 days from the endovascular repair 7. Unstable angina 8. Unwilling to comply with follow up schedule 9. Systemic or local infection that may increase the risk of endovascular graft infection 10. An uncorrectable coagulopathy |
Country | Name | City | State |
---|---|---|---|
United States | Massachusetts General Hospital | Boston | Massachusetts |
Lead Sponsor | Collaborator |
---|---|
Matthew Eagleton | Massachusetts General Hospital |
United States,
Type | Measure | Description | Time frame | Safety issue |
---|---|---|---|---|
Primary | All-cause mortality | Freedom from death in perioperative and follow up time period | 5 years | |
Primary | Stroke and TIA | Freedom from peri-operative neurologic event | 30 days | |
Primary | Aneurysm-related death | Freedom from aneurysm death related to reintervention or incomplete repair | 5 years |
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