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Custom stent grafts offer new hope for High-Risk aneurysm patients

NCT ID NCT07224230

What the study statuses mean

This study's is highlighted.

Recruitment status, easiest to join first

Recruiting now This study
This trial is taking on new participants right now.
Not yet recruiting
Registered, but not yet taking participants.
By invitation only
Not open to general applications. Only people the study team invites can take part.
Paused
Paused for now. It may or may not start again.
Ongoing
Running, but no longer taking on new participants.
Completed
The trial has finished. Results may not be published yet.
Stopped early
Stopped early, before it reached the end. That can be for many reasons, including safety.
Cancelled
Cancelled before anyone took part.

Expanded access (not trials)

Expanded access
Not a trial. This treatment can be requested outside a study, case by case, for people who qualify.
Expanded access (paused)
Not a trial. The treatment can normally be requested outside a study, but is unavailable right now.
Expanded access (ended)
Not a trial. The treatment could once be requested outside a study, but no longer can.
Approved
The treatment has been approved, so it is available normally rather than through this programme.

When the status isn't known

Details not published
The full record has not been published yet, so there is little to show here.
Status unknown
This status has not been confirmed recently, so it may be out of date.

First seen Jun 27, 2026 · Last updated Jun 27, 2026

Summary

This study is testing whether doctors can modify existing stent grafts to treat complex aortic aneurysms in patients who are too high-risk for open surgery and don't qualify for standard devices. The custom grafts are tailored to each patient's anatomy and placed using a minimally invasive procedure through leg arteries. The trial will follow 15 participants for up to 5 years to check safety and effectiveness.

What this could mean

Our plain-language read of the trial. This is informational only, not medical advice or a prediction.

Active substance
Physician-modified endograft (a custom-fitted stent graft device)
What this could lead to
If successful, this approach could offer a minimally invasive treatment option for patients with complex aortic aneurysms who currently have no good alternatives.
What could go wrong
This is a very small early study with only 15 participants, so results may not apply to everyone. There are risks of serious complications like device failure, aneurysm rupture, or organ damage.

This is an AI summary of the original study and may miss details. Read our disclaimer.

Study facts

What this study's own registry entry says, in plain language.

Phase

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

About 15 people

The number the study aims to enrol. It can still change while the study runs.

Started

Sep 2025

Expected to finish

Sep 2030

An estimate. End dates often move.

Lead sponsor

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

18 years and older

Sex

Anyone

Healthy volunteers

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

Copied word for word from the study's registry entry, so the wording is the study team's rather than ours.

Inclusion Criteria: * Patient is \> 18 years of age. * Patients who are male or non-pregnant female (females of childbearing potential must have a negative pregnancy test prior to enrollment into the study) * Patient is able and willing to sign an Institutional Review Board (IRB) approved Informed Consent Form * The subject has at least one of the following: 1. . An aortic or aortoiliac aneurysm with a maximum diameter of ≥ 5.5cm for males, ≥ 5.0cm for females 2. Aortic Aneurysm with a history of growth ≥ 0.5 cm in 6 mos. 3. Symptomatic aneurysm 4. Morphology such as saccular aneurysms 5. Aneurysms meeting any of the above criteria a-e above or below the previous endovascular and/or open aortic repairs. Previously placed aortic stent graft or open aortic grafts may serve as seal zones. * Cannot be treated with a currently available non-modified approved device. * Patient has patent iliac or femoral arteries that will allow endovascular access with the physician modified graft or is suitable for an iliac conduit. * Patient has a suitable non-aneurysmal proximal aortic neck length (seal zone) of ≥ 20mm. * Patient has a suitable non-aneurysmal distal iliac artery length (seal zone) of ≥15mm. * The resultant repair should preserve patency in at least one hypogastric artery. * Patient has suitable non-aneurysmal distal common iliac diameters between 7 and 20mm. * Chronic Dissection with aneurysmal degeneration that meets size criteria as described above for repair * Type 1A endoleak requiring extension above the previous repair into the pararenal or paravisceral portion of the aorta to achieve 2 cm of seal. Exclusion Criteria: * patient has a mycotic aneurysm * patient has a systemic or local infection that may increase the risk of graft infection. * Body habitus that would inhibit x-ray visualization of the aorta or exceeds the safe capacity of the equipment. * Subject has had a major surgical or interventional procedure unrelated to the treatment of the aneurysm planned \< 30 days of the endovascular repair. * Patient is currently participating in another investigational device or drug clinical trial. * Eligible for treatment with FDA-approved marketed device * Can enroll in a manufacturer-sponsored clinical study at our institution or is willing and eligible to participate in a study with a manufacturermade device at another institution. * Unwilling to comply with the follow-up schedule. * Inability or refusal to give informed consent by subject or legal representative. - The subject is pregnant or breastfeeding. * Known sensitivities or allergies to the materials of construction of the devices, including stainless steel, polyester, polypropylene, nickel, titanium, or gold. - Known hypersensitivity or contraindication to anticoagulation or contrast media that is not amenable to pretreatment * Uncorrectable coagulopathy * Unstable angina (defined as angina with a progressive increase in symptoms, new onset at rest or nocturnal angina) * Systemic or local infection that may increase the risk of endovascular graft infection. * History of connective tissue disorders (e.g., Marfan Syndrome, Ehlers's Danlos Syndrome) without landing zone created from graft via previous open repair. - Patient has active malignancy with life expectancy of less than 2 years. * Patient has a limited life expectancy of less than 2 years. * Patient has other medical, social, or psychological conditions that, in the opinion of the investigator, preclude them from receiving the pretreatment, required treatment, and post-treatment procedures and evaluations. * Anatomical exclusion criteria such as significant occlusive disease, tortuosity or calcification that would prevent endovascular access. * proximal seal site with a circumferential thrombus/atheroma * inability to maintain at least one hypogastric artery. * shaggy aorta * patient is not amenable to a temporary or permanent open surgical or endovascular conduit. * Thrombus or excessive calcification within the neck of the aneurysm

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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.

  1. The places running it

    1 site. The list below names each one and where it is.

  2. The official record

    ClinicalTrials.gov lists the study team's own contact details, including names and phone numbers. We don't republish those.

    Open the record ↗

  3. 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

  • Baylor College of Medicine

    RECRUITING

    Houston, Texas, 77030, United States

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