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Infrarenal Abdominal Aortic AneurysmsNCT02087501

HORIZON CE Pivotal Study to Treat Abdominal Aortic Aneurysm

A study testing Horizon™ Abdominal Aortic Aneurysm Stent Graft System in people with Infrarenal Abdominal Aortic Aneurysms and Aortoiliac Aneurysms, run by Endospan Ltd. at 7 sites in 4 countries.

Completed

Finished. The study has ended and is not enrolling. Results may be posted on the official record.

Official record
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Trial summary

Clinical Investigation Design A prospective, open-label, non-randomized, interventional clinical study, sponsored by Endospan Ltd. Patients will be followed-up for five years. Investigational Device The Horizon™ Abdominal Aortic Aneurysm Stent Graft System and its designated Delivery System. Read more about this study

Who is it for?
Ages 18 years and older
What is being tested?
Horizon™ Abdominal Aortic Aneurysm Stent Graft System
Type of treatment
Medical device
Could I receive a placebo?
No, everyone receives an active treatment
How many people
30 participants
Where
7 sitesin 4 countries
Study dates
Apr 2014to May 2021
Phase
Interventional
Are there results?
Yes, posted in the registrySummary in the doctors' view

Key requirements

Who can take part, as listed by the sponsor. Only the study team can confirm whether you are eligible, so take this list to your doctor.

  • Ages 18 years and older
  • All sexes
  • No healthy volunteers
  • Adult, Older adult

Who may be able to join

  • Male and female age ≥ 18.
  • Presence of at least one of the following:
  • Abdominal aortic aneurysm ≥ 5.0cm in diameter (perpendicular to the line of flow).
  • Abdominal aortic aneurysm 4.5-5.5cm in diameter which increased in size - ≥ 0.5cm over 6 months or 1.0cm over one year.
  • Abdominal aortic aneurysm >50% larger than the normal aortic diameter.
  • Patient is considered an appropriate candidate for an elective surgery, as evaluated by Physical Status Classification System I, II or III (American Society of Anesthesiologists).
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  • Femoral artery diameter of ≥6mm, documented by CTA or MRA that allows endovascular access to the aneurismal site with a 14 Fr delivery catheter.
  • Access vessels morphology suitable for endovascular repair in terms of tortuosity, calcification and angulation, documented by CTA or MRA.
  • To be eligible to receive the Horizon having the following characteristics, as demonstrated on CTA or MRA imaging:
  • Infrarenal aortic diameter of 18-28 mm II. Aortic length (lower renal artery to lowest point of aortic bifurcation) of 115-150 mm III. Iliac artery diameter of 10-19 mm IV. Proximal aortic neck length ≥ 15 mm V. Proximal aortic neck angulation ≤ 60° VI. Diameter measured 20mm above aortic bifurcation floor should be ≥ 20mm VII. Aortic bifurcation angulation of ≥ 70°. 7. Patient understands and is voluntarily willing to participate as evidenced by personally signing the Informed Consent document.

Who cannot join

  • If female and of childbearing potential , patients who are:
  • pregnant (as determined by a positive pregnancy test performed between 10 to 5 days before implantation date), or
  • intend to become pregnant during the study period, or
  • do not accept to use adequate double barrier contraception methods for the entire study duration to avoid pregnancy
  • Life expectancy of less than 1 year.
  • Any medical condition that, according to the investigator's decision, might expose the patient to increased risk by the investigational device or procedure.
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  • Patient is in need for an emergent surgery for a ruptured aneurysm.
  • Patient with an increased risk for aneurysm rupture, such as, saccular aneurysm, aneurysm with isolated wall protrusion and penetrating ulcers of the aorta.
  • A dissecting, acutely ruptured, or leaking aneurysm, or an acute vascular injury due to trauma.
  • Presence of thrombus or atheroma in proximal aortic neck covering >50% of the endoluminal surface.
  • Presence of diffuse atherosclerotic disease in either common iliac artery that reduces the iliac artery diameter to <6mm.
  • Congenital vascular disease in which the placement of the stent graft will cause occlusion of major arterial flow.
  • Aneurysm with any of the following characteristics: suprarenal, isolated ilio-femoral, mycotic, inflammatory or para-anastomotic pseudoaneurysm.
  • Patient has an untreated thoracic aneurysm > 5.5 cm in diameter.
  • Patient has an aneurysm that involves the part of the aorta at the ostia of the renal arteries.
  • Patient has a reversed conical neck defined as a > 4mm distal increase over a 10 mm length.
  • Patient has ectatic iliac arteries requiring bilateral exclusion of hypogastric blood flow.
  • Patient whose arterial access site is not anticipated to accommodate the 14 Fr diameter of the Horizon™ Delivery System, due to size, tortuosity or hostile groins (scarring, obesity, or previous failed puncture).
  • Patient underwent major surgery or interventional procedure in the last three months.
  • Patient is suffering from unstable angina.
  • Patient has had a myocardial infarction (MI) or cerebral vascular accident (CVA) within 3 months prior to the planned implantation.
  • Patient has a known hypersensitivity or contraindication to anticoagulants, antiplatelets, or contrast media, which is not amenable to pre-treatment.
  • Contraindication to undergoing angiography.
  • Patients with known hypersensitivity or allergy to device materials - Nitinol and Polyester.
  • Morbid obesity or other clinical conditions that severely inhibit x-ray visualization of the aorta.
  • Connective tissue disease (e.g., Marfan's or Ehler's-Danlos syndromes).
  • Patient has a history of bleeding diathesis or coagulopathy.
  • Active systemic infection at the time of the index procedure documented by either one of the following: pain, fever, drainage, positive culture and/or leukocytosis (WBC > 11,000 mm3).
  • Acute renal failure documented by either one of the following: Creatinine > 2.00 mg/dl or > 182 pmol/L; patient on dialysis.
  • Any other medical, social, or psychological issues that in the opinion of the investigator preclude them from receiving this treatment, or the procedures and evaluations pre- and post- treatment.
  • Active participation in another research study involving an investigational device or new drug.
  • -

Trial locations and contacts

7 sites in 4 countries.

7 sites in 4 countries

Italy3 sites
  • Nuovo Ospedale Civile S. Agostino Estense - Chirurgia vascolare

    Modena, 41126

  • Azienda Ospedaliera Arcispedale S. Maria Nuova

    Reggio Emilia, 42123

  • Azienda Ospedaliera Ordine Mauriziano di Torino

    Torino, 10128

Other trials in Italy

Serbia2 sites
  • Clinical Center of Serbia, Clinic for Vascular Surgery

    Belgrade, 11000

  • Institute for Cardiovascular Diseases Dedinje

    Belgrade, 11040

Other trials in Serbia

Netherlands1 site
  • Catharina Ziekenhuis Eindhoven - department of vascula surgery

    Eindhoven, 5623

Other trials in Netherlands

Switzerland1 site
  • Zurich University Hospital- Klinik für Herz- und Gefässchirurgie

    Zurich, 8091

Other trials in Switzerland

About this study

Official title: A Prospective Open-label Non-randomized Pivotal Study to Evaluate the Safety and Performance of the Horizon™ Abdominal Aortic Aneurysm (AAA) Stent Graft System

Clinical Investigation Design A prospective, open-label, non-randomized, interventional clinical study, sponsored by Endospan Ltd. Patients will be followed-up for five years.

Investigational Device The Horizon™ Abdominal Aortic Aneurysm Stent Graft System and its designated Delivery System.

Read more

Purpose The purpose of the study is to evaluate the safety and performance of the Horizon™ AAA Stent Graft System for the treatment of infrarenal abdominal aortic and/or aortoiliac aneurysms. The results of this study will be used as supportive data for CE Marking submission in the European Union (EU).

Objectives The primary objectives of the study are to evaluate the safety and performance of the Horizon™ AAA Stent graft System.

Primary End Points Safety endpoints include proportion of patients free from device related Major Adverse Events (MAEs) within 1 month of the endovascular procedure. Performance endpoints include successful delivery and deployment of the device; and absence of the following at 1 month follow-up: aneurysm growth ≥5mm, type I or III endoleaks, stent graft occlusion, conversion to open surgery, rupture and stent graft migration.

Subject population Thirty (30) patients having infrarenal abdominal aortic and/or aortoiliac aneurysms, having Iliac/femoral access vessel morphology that is compatible with vascular access techniques and devices.

Treatment All patients will be treated by implantation of the Horizon™ Abdominal Aortic Aneurysm Stent graft System.

Read the detailed description

Possible benefits:

It is believed that the Horizon™ AAA Stent Graft System implantation may offer a number of benefits over conventional and recently developed treatment options for patients suffering from AAA. These other treatment modalities include open surgery and the more recently evolved EVAR.

The Horizon™ AAA Stent graft System has a low profile of 14Fr and is implanted through a percutaneous approach. The modular bottom-up construction requires a single-sided femoral access and there is no need for cannulation of the contralateral limb, a requirement present in the majority of commercially available devices. These features are anticipated to result in a simplified procedure with less surgical trauma, shorter procedure time, lower levels of radiation exposure and shorter hospitalization periods. Moreover, the device is flexible enough to reach also tortuous anatomies and its fixation elements reduce the concern of migration and type I endoleaks.

As such, it is believed that the Horizon™ AAA Stent graft System may have potential clinical advantages and may exhibit benefits over commercially available stent-grafts.

Hypothesis:

In this clinical study safety and performance primary endpoints are compared between HORIZON™ and those reported for the Lifeline Registry of Endovascular Aneurysm Repair (Control).

Being tested
Horizon™ Abdominal Aortic Aneurysm Stent Graft System
Keywords
Abdominal Aortic Aneurysm, AAA, Abdominal Aortoiliac Aneurysm, Endovascular Aortic Repair, EVAR
Medical subject headings
Aortic Aneurysm, Abdominal

What participants receive

What participants receive. In a randomised study each person is assigned to one group by chance.

  • Horizon™ Abdominal Aortic Aneurysm Stent Graft SystemDevice

    All patient eligible to undergo stent implantation will receive the Horizon™ Abdominal Aortic Aneurysm Stent Graft System and its designated Delivery System.

Study groups in NCT02087501
Study groupRoleWhat they receive
HORIZON AAA Stent GraftOtherAll patients will received the HORIZON AAA Stent Graft
Receives: Device: Horizon™ Abdominal Aortic Aneurysm Stent Graft System

What is being measured

The primary outcome is the main question the study is designed to answer.

  1. Safety Endpoint: Major Adverse Events (MAEs)

    Safety endpoint includes proportion of patients free from MAEs within 1 month post implantation, as adjudicated by an independent clinical events committee (CEC).

    Measured: 1 month post implantation

  2. Performance Endpoint

    Performance endpoints will assess the rate of successful aneurysm treatment at 1 month, defined as:

    • Successful delivery and deployment of the device.
    • Absence of the following, as determined by an independent core-lab: aneurysm growth ≥5mm, type I or III endoleaks, stent graft occlusion, conversion to open surgery, rupture and clinically significant stent graft migration.

    Measured: 1 month post implant

Secondary outcomes (3)
  1. MAEs

    Proportion of patients free from MAEs at 1 month through 5 years post implantation.

    Measured: 1 month - 5 years post implantation

  2. Mortality

    All-cause mortality and aneurysm-related mortality at 12 months, Kaplan-Meier survival analysis.

    Measured: 12 months

  3. Secondary Performance Endpoint

    Absence of all of the following at 1 year: aneurysm growth ≥5mm, type I or III endoleaks, stent graft occlusion, conversion to open surgery, rupture and stent graft migration.

    Measured: 12 months post implantation

Timeline

From the start of the study to its completion; the mark is today. Estimated dates are the sponsor’s plan.

  1. First posted14 Mar 2014 (estimated)
  2. Study startApr 2014
  3. Primary completionApr 2015
  4. Study completionMay 2021

Resources

More details

For doctors and researchers: how the study is designed, who runs it, and its registry IDs.

Study design
Study type
Interventional
Phase
Phase N/A
Primary purpose
Treatment
Allocation
Not applicable
Intervention model
Single group
Masking
None (open label)
Enrolment
30 participants (actual)
IDs, dates and publications
ClinicalTrials.gov ID
NCT02087501
Sponsor's protocol ID
CIP003.00
Status last verified
Feb 2022
First submitted
10 Mar 2014
Last updated
5 Dec 2023
Data monitoring committee
No

Publications

  • Hofmann M, Pecoraro F, Planer D, Pfammatter T, Puippe G, Bettex D, Veith FJ, Lachat M, Chaykovska L; FIM and PIVOTAL trialists. Early outcomes with a single-sided access endovascular stent. J Vasc Surg. 2018 Jul;68(1):83-90.e2. doi: 10.1016/j.jvs.2017.11.069. Epub 2018 Mar 27.

    PubMed 29602473

Questions about this trial

What is this clinical trial studying?

A study testing Horizon™ Abdominal Aortic Aneurysm Stent Graft System in people with Infrarenal Abdominal Aortic Aneurysms and Aortoiliac Aneurysms, run by Endospan Ltd. at 7 sites in 4 countries.

The full registered description is in the About this study section and the official record.

Who may be eligible to take part?

The sponsor lists 10 inclusion and 32 exclusion criteria. Eligibility is decided by the study team after screening, so read the full criteria and contact a listed site.

Is this clinical trial currently recruiting?

The record says: finished, as of the sponsor's last update on 5 Dec 2023. Status can change between updates, so confirm with the study contact before making plans.

Where is the study taking place?

The record lists 7 sites in Italy, Serbia, Netherlands, Switzerland. Whether a site is taking part right now should be confirmed with that site. See every site.

What are the possible benefits and risks?

They depend on the study and the treatment, and no study can promise a benefit. The study team explains the known risks during informed consent, before anyone joins; the record itself does not list them.

Are results available for this study?

Yes. Results are posted in the registry (first posted 5 Dec 2023). A summary is in the For doctors view, and the full results are on ClinicalTrials.gov.

How can a doctor refer a patient or contact the research team?

The record lists no contact. The official record names the sponsor, who can be asked directly. AzTrials does not enrol participants or take referrals.

What does the primary outcome measure?

Safety Endpoint: Major Adverse Events (MAEs) (time frame: 1 month post implantation). The study lists 2 primary outcomes in all. It is what the study was designed to measure, not a finding.

Where can I read the original study information?

On the ClinicalTrials.gov record for NCT02087501, which also lists 1 linked publication.

Does a listing mean the treatment is approved or proven to work?

No. A listing means the study is registered. It does not show that the treatment is safe, works, or is approved by a regulator.

How often is this information updated?

AzTrials copies changed records from ClinicalTrials.gov every night and reloads the whole registry every week. The sponsor last updated this record on 5 Dec 2023.

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