Doctor-Made stent graft offers new hope for High-Risk aneurysm patients
NCT ID NCT05339061
First seen Jun 27, 2026 · Last updated Jun 27, 2026
Summary
This study tests a stent graft that doctors modify by hand to treat complex aortic aneurysms in patients who cannot use standard FDA-approved devices. About 40 high-risk adults will receive the custom graft and be followed for five years to check safety and effectiveness. The goal is to prevent aneurysm rupture and avoid major complications like stroke or kidney failure.
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Study facts
What this study's own registry entry says, in plain language.
- Phase
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Not a phased trial
Phase numbers describe drug development. The registry uses this when they do not apply, as it does for trials of devices, procedures or behaviour changes, and for observational studies.
- Participants
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About 40 people
The number the study aims to enrol. It can still change while the study runs.
- Started
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Mar 2023
- Expected to finish
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Dec 2029
An estimate. End dates often move.
- Lead sponsor
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Other sponsor
The registry's catch-all category, for sponsors it does not file as a company, a government agency, or a research network.
Who can take part
This study's own entry requirements. Only the study team can say for certain whether you qualify.
- Ages
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18 years and older
- Sex
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Anyone
- Healthy volunteers
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Not accepted
This study is not open to healthy volunteers. The entry requirements below say who it is open to.
Show the full entry requirements Hide the full entry requirements
Copied word for word from the study's registry entry, so the wording is the study team's rather than ours.
---Inclusion criteria--- 1. Patient is \> 18 years of age 2. Patients who are male or non-pregnant female (females of child bearing potential must have a negative pregnancy test prior to enrollment into the study) 3. Patient is able and willing to sign an Institutional Review Board (IRB) approved Informed Consent Form 4. Patient has a complex, juxtarenal, pararenal or thoracoabdominal abdominal aortic aneurysm (Extent I-V) that meets at least one of the following: * Aortic aneurysm with diameter ≥ 5.5cm * Aortic aneurysm with a history of growth ≥0.5cm in the last 6 months * Symptomatic aortic aneurysm 5. Cannot be treated with a currently available non-modified approved device 6. High risk for open surgical repair based on any of the factors below: 1. Anatomic i. Previous abdominal surgery ii. Previous left-sided thoracotomy (if the proposed open repair would require dissection of the thoracic aorta) iii. Previous aortic surgery 2. Physiologic i. ASA Category III or higher ii. Age \>70 years iii. Previous myocardial infarction, coronary artery disease, or coronary artery stent iv. Coronary stress test with a reversible perfusion defect v. Congestive heart failure vi. COPD 7. Patient has patent iliac or femoral arteries that will allow endovascular access with the physician modified endovascular graft or is suitable for an iliac conduit 8. Patient has a suitable non-aneurysmal proximal aortic neck length (seal zone) of ≥ 20 mm 9. Patient has a suitable non-aneurysmal distal iliac artery length (seal zone) of ≥ 15 mm. 10. The resultant repair should preserve patency in at least one hypogastric artery. 11. Patient has a suitable non-aneurysmal proximal aortic neck diameter between 15 and 42mm 12. Patient has suitable non-aneurysmal distal common iliac diameters between 7 and 20 mm. ---Exclusion Criteria--- -General Exclusion Criteria- 1. Patient has a mycotic aneurysm 2. Patient has a ruptured aneurysm requiring urgent or emergent repair 3. Patient has a systemic or local infection that may increase the risk of graft infection 4. Patient has a body habitus that would inhibit X-ray visualization of the aorta. 5. Patient is willing and eligible to participate in a manufacturer-sponsored clinical study at another institution 6. Patient has a major surgical or interventional procedure planned within +/- 30 days of the (T)AAA repair. 7. Patient is currently participating in another investigational device or drug clinical trial. -Medical Exclusion Criteria- 1. Patient has a known hypersensitivity or contraindication to anticoagulation or contrast media that is not amenable to pre-treatment. 2. Patient has a known allergy or intolerance to stainless steel, polyester, polypropylene, nickel, titanium or gold. 3. Patient has uncorrectable coagulopathy 4. Patient has unstable angina (defined as angina with a progressive increase in symptoms, new onset at rest or nocturnal angina, or onset of prolonged angina) 5. Patient has history of connective tissue disease (e.g., Marfan's or Ehler's-Danlos syndrome). 6. Patient has active malignancy with life expectancy of less than 2 years 7. Patient has a limited life expectancy of less than 2 years. 8. Patient has other medical, social or psychological conditions that, in the opinion of the investigator, preclude them from receiving the pre-treatment, required treatment, and post-treatment procedures and evaluations. -Anatomic Exclusion Criteria- 1. Significant occlusive disease, tortuosity or calcification that would prevent endovascular access 2. Proximal seal site with a circumferential thrombus/atheroma 3. Inability to maintain at least one patent hypogastric artery 4. Shaggy aorta 5. Patient is not amenable to a temporary or permanent open surgical or endovascular conduit
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Conditions
The condition(s) this trial relates to.
As listed by the trial registrant
The condition terms exactly as the trial's registrant entered them.
How to take part
Only the study team decides who joins. These are the ways to reach them.
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The places running it
1 site. The list below names each one and where it is.
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The official record
ClinicalTrials.gov lists the study team's own contact details, including names and phone numbers. We don't republish those.
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A doctor treating you
A doctor who knows your case can contact a study site on your behalf, and can tell you whether this study is worth pursuing at all.
Contacts and locations
Locations
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University of California San Diego
RECRUITINGSan Diego, California, 92037, United States
More trials for these conditions
Other studies related to the condition(s) this trial covers.
- Can a tailored stent graft tame complex aortic aneurysms?
- A simple gas flush before aortic repair might prevent strokes
- Customized grafts could repair dangerous aortic aneurysms without open surgery
- New stent grafts aim to fix aortic aneurysms without major surgery
- Aortic Stent-Graft safety under the microscope: 600-Patient european registry launches
- New stent device aims to fix dangerous aortic bulge without major surgery