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Peripheral Artery DiseaseBOLSTERNCT02228564

BARD® Study of LIFESTREAM™ Balloon Expandable Covered Stent Treating Iliac Arterial Occlusive Disease

A study testing Percutaneous transluminal angioplasty (PTA) and LIFESTREAM™ covered stent in people with Peripheral Artery Disease and Peripheral Vascular Disease, run by C. R. Bard at 20 sites in 3 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

Collect confirmatory evidence of the safety and effectiveness of the Balloon LIFESTREAM™ Stent Graft for the treatment of stenoses and occlusion in the iliac arteries. Read more about this study

Who is it for?
Ages 21 years and older
What is being tested?
Percutaneous transluminal angioplasty (PTA) and LIFESTREAM™ covered stent
Could I receive a placebo?
No, everyone receives an active treatment
How many people
155 participants
Where
20 sitesin 3 countries
Study dates
Sep 2014to Dec 2018
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 21 years and older
  • All sexes
  • No healthy volunteers
  • Adult, Older adult

CLINICAL INCLUSION CRITERIA:

  • The subject provides written informed consent using an Informed Consent Form approved by the Ethics Committee/ Institutional Review Board for the site.
  • Subject agrees to comply with the protocol-mandated follow-up procedures and visits.
  • Subject is a male or non-pregnant female ≥ 21 years old with an expected lifespan sufficient to allow for completion of all study procedures.
  • Subject has intermittent claudication (Rutherford Category 2-3) or ischemic rest pain (Rutherford Category 4).
  • Subject is able and willing to comply with any required medication regimen.

ANGIOGRAPHIC INCLUSION CRITERIA:

  • Subject has evidence of single, bilateral, or multiple de novo and/or restenotic (non-stented) lesion in the native common and/or external iliac artery that is ≥ 50% stenosed (including total occlusions).
  • The target lesion can be successfully crossed with a guide wire and pre-dilated with an appropriately sized PTA balloon.
  • The reference vessel diameter is between 4.5 mm -12.0 mm in diameter.
  • The target lesion is ≤ 100 mm in combined length (per side).
  • The subject has angiographic evidence of a patent (< 50% stenosis) profunda and/or superficial femoral artery (SFA) in the target limb.

CLINICAL EXCLUSION CRITERIA:

  • The subject is unable or unwilling to provide written informed consent or to conform to the study protocol follow-up procedures and visits.
  • The subject is or plans to become pregnant during the study.
  • The subject is asymptomatic, has mild claudication or critical limb ischemia with tissue loss described as Rutherford Category 0, 1, 5 or 6.
  • The subject has a vascular graft previously implanted in the native iliac vessel.
  • The subject suffered a hemorrhagic stroke or transient ischemic attack (TIA) within 3 months prior to the index procedure.
  • The subject has a known uncorrectable bleeding diathesis or active coagulopathy.
  • The subject has a serum creatinine ≥ 2.5 mg/dl or is on dialysis.
  • The subject has a known allergy or sensitivity to stainless steel (i.e., Nickel), ePTFE, or has intolerance to the antiplatelet, anticoagulant or thrombolytic medications required per the protocol.
  • The subject has a known allergy or sensitivity to contrast media, which cannot be adequately pre-medicated.
  • The subject had a prior vascular intervention within 30 days before or planned for within 30 days after the index procedure.
  • The subject has another medical condition, which may cause him/her to be non-compliant with the protocol, confound the data interpretation, or is associated with a life expectancy insufficient to allow for the completion of study procedures and follow-up.
  • The subject is currently participating in an investigational drug, biologic, or another device study.

ANGIOGRAPHIC EXCLUSION CRITERIA:

  • The subject has extensive peripheral vascular disease, which in the opinion of the Investigator, would preclude safe insertion of an introducer sheath. The ipsilateral common femoral artery should be patent (< 50% stenosis).
  • The target lesion requires treatment other than angioplasty to facilitate subject device delivery.
  • The subject has severe calcification of the target lesion, preventing inflation of PTA balloon.
  • The target lesion has been previously treated with a stent (bare or covered).
  • The subject has angiographic evidence of acute thrombus at the target lesion.
  • The target lesion involves the origin of the internal iliac artery such that successful treatment of the lesion would require the subject device to cross/occlude the side branch.
  • The target lesion located in the distal external iliac artery such that successful treatment of the lesion would require the subject device to cross/occlude side branches or be exposed to compressive forces associated with the close proximity to the common femoral artery.
  • The subject has an abdominal aortic aneurysm (AAA) contiguous to the iliac artery target lesion.
  • The subject has a pre-existing target iliac artery aneurysm or perforation or dissection of the target iliac artery prior to the initiation of the treatment for this study.

Trial locations and contacts

20 sites in 3 countries.

20 sites in 3 countries

United States14 sites
  • Florida Research Network

    Gainesville, Florida, 32605

  • Univeristy of Texas Medical Branch

    Galveston, Texas, 77550

  • CaroMont Regional Medical Center

    Gastonia, North Carolina, 28054

  • Baptist Medical Center

    Jacksonville, Florida, 32207

  • Kansas City Vascular Foundation

    Kansas City, Missouri, 64116

  • Lakeland Regional Medical Center

    Lakeland, Florida, 33805

  • Arkansas Heart Hospital

    Little Rock, Arkansas, 72211

  • Mount Sinai Medical Center

    Miami, Florida, 33140

  • Vascular and Interventional Specialists of Orange County

    Orange, California, 91107

  • North Carolina Heart and Vascular

    Raleigh, North Carolina, 27607

  • UC Davis Cardiovascular Medicine

    Sacramento, California, 95817

  • Donald Guthrie Foundation

    Sayre, Pennsylvania, 18840

  • Swedish Health Services

    Seattle, Washington, 98122

  • University of Massachusetts Worcester

    Worcester, Massachusetts, 01655

Other trials in United States

Germany5 sites
  • Universitäts-Herzzentrum Freiburg-Bad Krozingen GmbH

    Bad Krozingen, 79189

  • Ev.Krankenhaus Königin Elisabeth

    Berlin, 10365

  • Praxis fur Interventionelle Angiologie

    Kaiserslautern, 67657

  • Universitaetsklinikum Leipzig

    Leipzig, 04289

  • Bonifatius Hospital

    Lingen, 49808

Other trials in Germany

New Zealand1 site
  • Auckland Hospital

    Auckland

Other trials in New Zealand

About this study

Official title: A Prospective, Multi-Center, Non-Randomized, Single-Arm Study of the BARD® LIFESTREAM™ Balloon Expandable Vascular Covered Stent in the Treatment of Iliac Artery Occlusive Disease (BOLSTER)

Collect confirmatory evidence of the safety and effectiveness of the Balloon LIFESTREAM™ Stent Graft for the treatment of stenoses and occlusion in the iliac arteries.

Being tested
Percutaneous transluminal angioplasty (PTA), LIFESTREAM™ covered stent
Keywords
Lack of perfusion in the extremities, Atherosclerosis, Intermittent claudication, BOLSTER
Medical subject headings
Peripheral Arterial Disease, Peripheral Vascular Diseases, Arterial Occlusive Diseases, Atherosclerosis, Intermittent Claudication

What participants receive

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

  • Percutaneous transluminal angioplasty (PTA)Procedure or surgery

    Percutaneous transluminal angioplasty (PTA) is a procedure that can open up a blocked blood vessel using a small, flexible plastic tube, or catheter, with a "balloon" at the end of it. When the tube is in place, it inflates to open the blood vessel, or artery, so that normal blood flow is restored.

  • LIFESTREAM™ covered stentDevice

    Implantation of the LIFESTREAM™ covered stent

Study groups in NCT02228564
Study groupRoleWhat they receive
LIFESTREAM™ExperimentalThis is a single arm study. All subjects receive percutaneous transluminal angioplasty (PTA) and implantation of the LIFESTREAM™ covered stent.
Receives: Procedure: Percutaneous transluminal angioplasty (PTA); Device: LIFESTREAM™ covered stent

What is being measured

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

  1. Number of Participants With Device and/or Procedure-Related Death or Myocardial Infarction (MI) Through 30 Days, or Any Target Lesion Revascularization (TLR), Target Limb(s) Major Amputation, or Restenosis Through 9-Months Post Index Procedure.

    The primary endpoint is a composite safety and effectiveness measure defined as device and/or procedure-related death or myocardial infarction (MI) through 30 days, or any Target Lesion Revascularization (TLR), target limb(s) major amputation, or restenosis through 9-months post-index procedure.

    Measured: 9 months post index procedure

Secondary outcomes (11)
  1. Number of Participants With Major Adverse Events (MAEs) Through 9-Months Post Index Procedure.

    Major Adverse Events (MAE) defined as device and/or procedure-related death or MI through 30 days, or any TLR or target limb(s) major amputation through 9-months post-index procedure. Major amputation is defined as an amputation at or above the ankle.

    Measured: 9 months post index procedure

  2. Number of Lesions With Acute Lesion Success

    Acute Lesion Success defined as attainment of < 30% residual stenosis of the target lesion after the index procedure using any percutaneous method and/or non-investigational device (i.e., post-dilatation), as determined by an Independent Angiographic Core Lab.

    Measured: At time of Index Procedure

  3. Number of Participants With Acute Procedure Success

    Acute Procedure Success defined as lesion success and no peri-procedural complications (death, stroke, myocardial infarction (MI), emergent surgical revascularization, significant distal embolization in target limb, and thrombosis of target vessel) prior to hospital discharge.

    Measured: At time of hospital discharge

  4. Number of Devices With Acute Technical Success at Index Procedure

    Acute Technical Success defined as successful deployment of the LIFESTREAM™ Covered Stent at the intended location, as determined by the Investigator.

    Measured: At time of index procedure

  5. Number of Participants With Target Lesion Revascularization (TLR) at 6, 9, 12, 24, and 36 Months Post Index Procedure

    Target Lesion Revascularization (TLR) is defined as the first revascularization procedure (e.g., PTA, atherectomy, etc.) of the target lesion(s) following the index procedure, as determined by an Independent Angiographic Core Lab. All Target Lesion Revascularizations (TLR) were Target Vessel Revascularizations (TVR) and therefore, the results presented in Outcome #6 and Outcome #7 are the same.

    Measured: 6, 9, 12, 24, and 36 months post index procedure

  6. Number of Participants With Target Vessel Revascularization (TVR) Event at 6, 9, 12, 24, and 36 Months Post Index Procedure.

    Target Vessel Revascularization (TVR) is defined as the first revascularization procedure (e.g. PTA, stenting, surgical bypass, etc.) in the target vessel(s) following the index procedure, as determined by an Independent Angiographic Core Lab. All Target Vessel Revascularizations (TVR) were Target Lesion Revascularizations (TLR) and therefore, the results presented in Outcome #6 and Outcome #7 are the same.

    Measured: 6, 9, 12, 24, and 36 months post index procedure

  7. Number of Participants With Sustained Clinical Success at 30-Days and 9, 12, 24, and 36 Months Post Index Procedure

    Sustained Clinical Success defined as sustained cumulative improvement from baseline value of ≥ 1 Rutherford Category23 at 30-days and 9, 12, 24, and 36-months post-index procedure, as determined by the Investigator.

    Measured: 30 days, and 9, 12, 24, and 36 months post index procedure

  8. Number of Participants With Primary Patency at 9, 12, 24, and 36 Months Post Index Procedure

    Primary Patency at 9, 12, 24 and 36-months post-index procedure corresponding to PSVR ≤ 2.4.

    Measured: 9, 12, 24 and 36 months post index procedure

  9. Number of Participants With Assisted Primary Patency at 9, 12, 24, and 36 Months Post Index Procedure

    Primary Assisted Patency at 9-, 12-, 24-, and 36-months post-index procedure corresponding to PSVR ≤ 2.4, as determined by an Independent DUS Core Lab. Primary Assisted Patency is independent of whether or not patency is re-established via an endovascular procedure following restenosis.

    Measured: 9, 12, 24, and 36 months post index procedure

  10. Number of Participants With Secondary Patency at 9, 12, 24, and 36 Months Post Index Procedure.

    Secondary Patency is a measure of success at re-establishing patency following failure of the initial stent placement due to stenosis or re-occlusion. In this study, Secondary Patency was independent of whether or not patency was re-established via an endovascular procedure following restenosis or occlusion, and was analyzed for the Intent to Treat (ITT) population. Secondary patency is defined as a peak systolic velocity ratio (PSVR) ≤ 2.4, as determined by an independent Duplex Ultrasonography (DUS) Core Lab.

    Measured: 9,12, 24, and 36 months post index procedure

  11. Change in Walking Impairment Questionnaire (WIQ) Scores at 30 Days, 9, 12, 24, and 36-Months Post Index Procedure Compared to Baseline.

    The WIQ assesses 3 categories of activities that include 1) walking distance, 2) stair-climbing, and 3) walking speed. Each question requires participants to rate their degree of difficulty with the activity on a scale of 0 (unable) to 4 (no problem). Final scores range from 0% to 100%, with lower percentages indicating higher levels of difficulties with activities.The results below represent the mean differences in total Walking Impairment Questionnaire (WIQ) scores at 30 days,9, 12, 24, and 36 months compared to baseline assessment scores.

    Measured: 30 Days, 9, 12, 24, and 36 months post index procedure compared to baseline.

Timeline

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

  1. First posted29 Aug 2014 (estimated)
  2. Study startSep 2014
  3. Primary completionDec 2016
  4. Study completionDec 2018

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
155 participants (actual)
IDs, dates and publications
ClinicalTrials.gov ID
NCT02228564
Sponsor's protocol ID
BPV-12-001
Acronym
BOLSTER
Status last verified
Sep 2020
First submitted
15 Aug 2014
Last updated
8 Oct 2020
Data monitoring committee
No
FDA-regulated device
Yes

Questions about this trial

What is this clinical trial studying?

A study testing Percutaneous transluminal angioplasty (PTA) and LIFESTREAM™ covered stent in people with Peripheral Artery Disease and Peripheral Vascular Disease, run by C. R. Bard at 20 sites in 3 countries.

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

Who may be eligible to take part?

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 8 Oct 2020. Status can change between updates, so confirm with the study contact before making plans.

Where is the study taking place?

The record lists 20 sites in United States, Germany, New Zealand. 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 8 Oct 2020). 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?

Number of Participants With Device and/or Procedure-Related Death or Myocardial Infarction (MI) Through 30 Days, or Any Target Lesion Revascularization (TLR), Target Limb(s) Major Amputation, or Restenosis Through 9-Months Post Index Procedure. (time frame: 9 months post index procedure). It is what the study was designed to measure, not a finding.

Where can I read the original study information?
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 8 Oct 2020.

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