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Custom-modified stent grafts for aortic aneurysms near the kidney arteries

Tests doctor-modified stent grafts in adults with aneurysms of the abdominal aorta.

Key facts

Who runs it
Baystate Medical Center
Where
Springfield, United StatesSee the site
Trial code
Registry title
Physician Modified Endovascular Grafts for the Treatment of Elective, Symptomatic or Ruptured Juxtarenal Aortic Aneurysms
Status
Recruiting
People taking part
15 people, planned
Started
3 Jun 2025
Expected to end
3 Jun 2035
Type of study
Interventional
Treatments tested
  • Physician Modified Endografting
Record updated
30 September 2026

Who can take part

AI summary

From the trial's eligibility criteria. Machine-read from the registry text on this page, so it can be wrong. The registry text below and the trial team decide who can take part.

The trial is looking for adults with a juxtarenal abdominal aortic aneurysm, a bulge in the belly aorta close to the kidney arteries. It may be planned, causing symptoms or ruptured. They will be treated with a stent graft modified by the doctor.

Age
18 years or older
Sex
Men and women. Women cannot be pregnant. Women who could become pregnant need a negative pregnancy test before joining.
Disease stage
Juxtarenal abdominal aortic aneurysm with at least one of these: largest width ≥ 5.5 cm (2.2 in) in men (≥ 5.0 cm (2 in) in women) or 2 times the normal width; growth > 0.5 cm (0.2 in) in 6 months; a sac-shaped aneurysm at high risk of rupture; symptoms; or rupture. The aorta and leg arteries must have the size and shape the device needs, such as aortic neck width between 20 and 32 mm and angle ≤ 60°.

Main reasons for not taking part

  • Infected aneurysm or an active infection
  • Unstable angina (chest pain that is getting worse or happens at rest)
  • Connective tissue disease affecting the aorta, such as Marfan's or Ehler's-Danlos syndrome
  • Life expectancy of less than 1 year
  • Can be treated with an FDA approved EVAR or FEVAR device and can wait for it

The registry criteria, word for word

Show all 26 criteriaShow less

Who can take part

  • Patient is ≥ 18 years of age
  • 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)
  • Patient or Legally Authorized Representative has signed an Institutional Review Board (IRB) approved Informed Consent Form
  • Patient has a juxtarenal abdominal aortic aneurysm that meets at least one of the following:; An aneurysm with a maximum diameter of ≥ 5.5 cm for male (≥ 5.0 cm for female) or 2 times the normal 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; Ruptured aneurysm
  • Patient has patent iliac or femoral arteries, with or without the use of conduit, that will allow endovascular access with the physician modified endovascular graft
  • Patient has a suitable non-aneurysmal proximal aortic neck of ≥ 2 mm inferior to the most distal renal artery ostium
  • 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 a suitable non-aneurysmal proximal aortic neck diameter between 20 and 32 mm, averaged across the diameters at the Celiac, SMA, at the lowest patent renal artery and at the midpoint of the renal arteries
  • Patient has suitable non-aneurysmal distal common iliac diameters between 8 and 20 mm
  • Patient has juxtarenal aortic neck angulation ≤ 60°
  • Target branch vessel diameter ≥ 5 mm
  • Patient must be willing to comply with all required follow-up exams

Who cannot take part

  • Patient has a major surgical or interventional procedure, not related to the endovascular repair, planned within +/- 30 days of the AAA repair
  • Patient is currently participating in another investigational device or drug clinical trial
  • 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
  • Patient has a mycotic aneurysm or has an active systemic or local infection that may increase the risk of endovascular infection
  • 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)
  • Patient has history of an aortopathic connective tissue disease (e.g. Marfan's or Ehler's- Danlos syndrome)
  • Patient has a known hypersensitivity or contraindication to anticoagulation or contrast media that is not amenable to pre-treatment
  • Patient has known allergy or intolerance to stainless steel, nitiol, or gold (gold-plated tungsten)
  • Patient has a body habitus that would inhibit X-ray visualization of the aorta
  • Patient has a limited life expectancy of less than 1 year
  • Thrombus or excessive calcification within the neck of the aneurysm
  • Branch vessel stenosis ≥ 80 %
  • Patients treatable on label with FDA approved EVAR or FEVAR device and can wait for device availability
  • Subject is willing and eligible to enroll in a manufacturer-sponsored study at the investigational site, or the subject is willing and eligible to participate in a study with a manufacturer-made device at another institution

Where in United States

  • Baystate Medical CenterSpringfield, United StatesContact: Erin Daley, MPH, BSTaking people

About the trial

What the trial wants to find out

Patients who are found to have an aneurysm (bulge) in the abdominal aorta, which is the blood vessel in your abdomen (belly) that supplies blood to most of your lower body, including major organs and your legs. As an aneurysm expands, the walls of the aorta become weak and may rupture (break open), causing a major loss of blood with a high risk of serious problems and death. To avoid this risk, doctors repair aneurysms by either open surgery (incision) or endovascular surgery (covered stents to channel the blood flow). Juxtarenal aneurysms (those that come close to the kidney arteries) present a unique challenge as they are more dangerous to repair by open therapy and do not fit the standard approved endovascular devices. The purpose of this study is to assess the effects of the physician-modified endovascular graft (PMEG) by collecting information about the performance of this investigational medical device.

Read full original descriptionShow less

The main graft looks like a pair of pants with very short legs. The top of the pants is placed in the aorta. Then, two smaller grafts go from the main graft and to your iliac arteries (the main arteries supplying blood to your abdomen and legs) to form the legs of the pair of pants. Each graft is packed into a small catheter (a long, flexible plastic tube) that is placed into your aorta through the femoral artery in your groin (top of your leg). The grafts are then placed in the correct position in your aorta by releasing them from the catheters. These grafts are investigational because the research physician has changed them to match patient anatomy (body make up) while protecting blood flow to important vessels. Once the grafts are attached inside the aorta, they will support the area of the aorta that is weakened and bulging.

Modifications of the graft will include between one and four holes (fenestrations) near the top of the graft. The holes allow the graft to be located above the renal arteries (the blood vessels that supply blood to your kidneys) without blocking the blood flow to them. One or more of the arteries will also be treated with a stent (metal wire tube) to help keep the arteries open and to keep the arteries connected to the holes that are made for the graft.

The device is custom modified for patient specific anatomy. The information collected from this study will be used to show how well patients do when treated with the modified graft, both immediately after surgery and over a long period of time. After the procedure, labs, CT imaging with contrast, XRays and ultrasounds will be done to check the graft at intervals 1 month, 6 months, 12 months and yearly for 5 years. These are standard surveillance studies performed on any endovascular aneurysm repair.

The group in the trial

  • Physician Modified Endograft GroupTreatment being tested

    Patients in this arm will undergo physician modified endovascular grafting of their juxtarenal aortic aneurysm

    Treatment: Physician Modified Endografting

Questions to ask the study team

  1. How often do I need to come in, and for how long each time?
  2. Are travel costs paid?
  3. Can I keep my own doctor?
  4. What happens if I want to stop?

Contact the study team: see the registry record → Contacts and Locations

Print a page for my doctor

Data and sources

Registry record
Listed on ClinicalTrials.gov.
Official title
Baystate Health Physician Sponsored - Investigational Device Exception: Physician Modified Endovascular Grafts for the Treatment of Elective, Symptomatic or Ruptured Juxtarenal Aortic Aneurysms
Plain-language title
Custom-modified stent grafts for aortic aneurysms near the kidney arteriesGenerated from the registry record. The registry title is the official one.
AI summary
From the trial's eligibility criteria. Read by machine on 14 November 2026.
Record updated
30 September 2026