The Merit WRAPSODY AV Access Efficacy Study (WAVE)

NCT ID: NCT04540302

Last Updated: 2025-04-13

Study Results

Results pending

The study team has not published outcome measurements, participant flow, or safety data for this trial yet. Check back later for updates.

Basic Information

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Recruitment Status

ACTIVE_NOT_RECRUITING

Clinical Phase

NA

Total Enrollment

357 participants

Study Classification

INTERVENTIONAL

Study Start Date

2021-03-09

Study Completion Date

2026-01-31

Brief Summary

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The purpose of the study is to demonstrate the safety and efficacy of the Merit WRAPSODY Endovascular Stent Graft for treatment of stenosis or occlusion within the dialysis access outflow circuit

Detailed Description

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Conditions

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Venous Stenosis Venous Occlusion

Study Design

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Allocation Method

RANDOMIZED

Intervention Model

PARALLEL

The study comprises 2 independent cohorts:

1. Up to 244 AVF Peripheral Subjects (1:1 randomization, with approximately 122 in the study treatment and control groups)
2. Up to 113 AVG Anastomosis Subjects (no randomization, comparison to Performance Goals)
Primary Study Purpose

TREATMENT

Blinding Strategy

NONE

Study Groups

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AVF Peripheral study treatment group

Subjects randomised to treatment with the WRAPSODY Endovascular Stent Graft

Group Type EXPERIMENTAL

Merit WRAPSODY Endovascular Stent Graft

Intervention Type DEVICE

Target lesion treated with stent graft placement

AVF Peripheral control group

Subjects randomised to treatment with standard percutaneous transluminal angioplasty (PTA)

Group Type OTHER

PTA

Intervention Type DEVICE

Target lesion treated with standard percutaneous transluminal angioplasty (PTA)

AVG Anastomosis

All subjects in this single arm cohort will receive treatment with the WRAPSODY Endovascular Stent Graft

Group Type EXPERIMENTAL

Merit WRAPSODY Endovascular Stent Graft

Intervention Type DEVICE

Target lesion treated with stent graft placement

Interventions

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Merit WRAPSODY Endovascular Stent Graft

Target lesion treated with stent graft placement

Intervention Type DEVICE

PTA

Target lesion treated with standard percutaneous transluminal angioplasty (PTA)

Intervention Type DEVICE

Eligibility Criteria

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Inclusion Criteria

* Subject provides written informed consent
* Subject is male or female, with an age ≥ 18 years at date of enrollment.
* Subject is willing to undergo all follow-up assessments.
* Subject has a life expectancy ≥ 12 months.
* Subject is undergoing chronic hemodialysis.
* Subject has either a mature AVF or AVG in the arm.
* Target lesion(s) involves a de novo stenotic or non-stented restenotic lesion.
* Target lesion has ≥50% stenosis.
* Target lesion(s) reference vessel diameter is between 5.0 mm and 14.0 mm

Exclusion Criteria

* Subject has a known or suspected infection of the hemodialysis access site, systemic infection and/or septicemia.
* Subject has a stroke diagnosis within 3 months prior to enrollment.
* Subject has a history of unstable angina or myocardial infarction within 60 days prior to enrollment.
* Subject is pregnant, breastfeeding, or intending to become pregnant within the next year.
* Target lesion is located within a stent / stent graft.
Minimum Eligible Age

18 Years

Eligible Sex

ALL

Accepts Healthy Volunteers

No

Sponsors

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Merit Medical Systems, Inc.

INDUSTRY

Sponsor Role lead

Responsible Party

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Responsibility Role SPONSOR

Principal Investigators

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Mahmood K Razavi, MD

Role: PRINCIPAL_INVESTIGATOR

St. Joseph's Hospital, Orange, CA

Robert Jones, MD

Role: PRINCIPAL_INVESTIGATOR

The Queen Elizabeth Hospital

Locations

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Southwest Kidney institute (SKI) Vascular Center

Tempe, Arizona, United States

Site Status

Pima Heart and Vascular

Tucson, Arizona, United States

Site Status

St. Joseph Hospital

Orange, California, United States

Site Status

Vascular Care Connecticut

Darien, Connecticut, United States

Site Status

Nephrology Associates

Newark, Delaware, United States

Site Status

First Coast Cardiovascular Institute

Jacksonville, Florida, United States

Site Status

Open Access Miami, LLC

Miami, Florida, United States

Site Status

Leesburg Vascular Access Center & Discovery Medical Research

Oscala, Florida, United States

Site Status

Coastal Vascular and Interventional

Pensacola, Florida, United States

Site Status

Chicago Access Center

Chicago, Illinois, United States

Site Status

Northwestern Medical Center

Chicago, Illinois, United States

Site Status

Indiana University Hospital and Methodist Hospital

Indianapolis, Indiana, United States

Site Status

King's Daughters Medical Center

Ashland, Kentucky, United States

Site Status

Brigham and Women's Faulkner Hospital

West Roxbury, Massachusetts, United States

Site Status

Michigan Vascular Access Center

Flint, Michigan, United States

Site Status

Vascular Institute of Atlantic Medical Imaging

Vineland, New Jersey, United States

Site Status

UNC Health

Chapel Hill, North Carolina, United States

Site Status

Charlotte Radiology

Charlotte, North Carolina, United States

Site Status

NC Heart and Vascular Research

Raleigh, North Carolina, United States

Site Status

North Carolina Nephrology Raleigh Access

Raleigh, North Carolina, United States

Site Status

Cleveland Clinic

Cleveland, Ohio, United States

Site Status

University Pittsburg Medical Center

Pittsburgh, Pennsylvania, United States

Site Status

Providence Access Center

Providence, Rhode Island, United States

Site Status

Prisma Health System Upstate

Greenville, South Carolina, United States

Site Status

Soltero Cardiovascular Research Center

Dallas, Texas, United States

Site Status

Renal Disease Research Institute

Dallas, Texas, United States

Site Status

PPG Health PA, DBA-Tarrant Vascular

Fort Worth, Texas, United States

Site Status

Global Kidney Associates

Houston, Texas, United States

Site Status

Houston Methodist Hospital

Houston, Texas, United States

Site Status

University of Texas Health - Memorial Hermann Katy Hospital

Katy, Texas, United States

Site Status

CDVA

Pasadena, Texas, United States

Site Status

Dallas Nephrology Associates

Plano, Texas, United States

Site Status

Sentara Vascular Specialists

Virginia Beach, Virginia, United States

Site Status

Instituto Santa Marta De Ensino E Pesquisa

Brasília, , Brazil

Site Status

Real Hospital Português de Beneficência em Pernambuco

Recife, , Brazil

Site Status

Hospital Universitário Pedro Ernesto

Rio de Janeiro, , Brazil

Site Status

Instituto Dante Pazzanese de Cardiologia

São Paulo, , Brazil

Site Status

Toronto General Hospital

Toronto, , Canada

Site Status

Queen Elizabeth Hospital

Birmingham, , United Kingdom

Site Status

Dorset County Hospital

Dorchester, , United Kingdom

Site Status

Royal London Hospital

London, , United Kingdom

Site Status

Churchill Hospital

Oxford, , United Kingdom

Site Status

Lister Hospital

Stevenage, , United Kingdom

Site Status

Countries

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United States Brazil Canada United Kingdom

Other Identifiers

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CVO-P3-20-01

Identifier Type: -

Identifier Source: org_study_id

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