Comparison of the Human Acellular Vessel (HAV) With ePTFE Grafts as Conduits for Hemodialysis

NCT ID: NCT02644941

Last Updated: 2025-03-30

Study Results

Results available

Outcome measurements, participant flow, baseline characteristics, and adverse events have been published for this study.

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Basic Information

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Recruitment Status

COMPLETED

Clinical Phase

PHASE3

Total Enrollment

355 participants

Study Classification

INTERVENTIONAL

Study Start Date

2016-05-24

Study Completion Date

2023-09-30

Brief Summary

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The main purpose of this study is to compare the Human Acellular Vessel (HAV) with ePTFE grafts when used for hemodialysis access.

Detailed Description

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This is a Phase 3, prospective, multicenter, multinational, open-label, randomized, two-arm, comparative study. Subjects who sign informed consent would undergo study-specific screening assessments within 35 days from the day of informed consent.

Participants who consented were randomized to the HAV treatment arm of one of the two commercially available comparators.

Conditions

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Renal Failure End Stage Renal Disease Hemodialysis Vascular Access

Study Design

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Allocation Method

RANDOMIZED

Intervention Model

PARALLEL

Primary Study Purpose

TREATMENT

Blinding Strategy

NONE

Study Groups

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Human Acellular Vessel (HAV)

HAV-tissue-engineered vascular conduit (6mm diameter)

Group Type EXPERIMENTAL

Human Acellular Vessel (HAV)

Intervention Type BIOLOGICAL

HAV-tissue-engineered vascular conduit (6mm diameter)

ePTFE

One of two commercially available comparators (Bard Impra® and Gore PROPATEN®)

Group Type ACTIVE_COMPARATOR

ePTFE graft

Intervention Type DEVICE

One of two commercially available comparators (Bard Impra® and Gore PROPATEN®)

Interventions

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Human Acellular Vessel (HAV)

HAV-tissue-engineered vascular conduit (6mm diameter)

Intervention Type BIOLOGICAL

ePTFE graft

One of two commercially available comparators (Bard Impra® and Gore PROPATEN®)

Intervention Type DEVICE

Other Intervention Names

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(regulated as a biological product)

Eligibility Criteria

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Inclusion Criteria

* Subjects with ESRD who need placement of an AV graft in the arm.
* Either on hemodialysis or expected to start hemodialysis within 12 weeks of study conduit implantation.
* Suitable anatomy for implantation of straight or looped conduits in either the forearm or upper arm (not crossing the elbow).
* Hemoglobin ≥8 g/dL and platelet count ≥100,000 cells/mm3 prior to Day 0 (within 35 days).
* Other hematological and biochemical parameters within a range consistent with ESRD prior to Day 0 (within 35 days).
* Adequate liver function prior to Day 0 (within 35 days).
* Female subjects must be either:

* Of non-childbearing potential Or
* Must agree to use at least one form of birth control methods for the duration of the study.
* Subject, or legal representative, able to communicate effectively with investigative staff, competent and willing to give written informed consent, and able to comply with entire study procedures including all scheduled follow-up visits.
* Life expectancy of at least 1 year.

Exclusion Criteria

* History or evidence of severe peripheral vascular disease in the intended arm for implantation.
* Known or suspected central vein stenosis or conduit occlusion on the ipsilateral side of planned implantation, unless the stenosis is corrected prior to study conduit implantation.
* Treatment with any investigational drug or device within 60 days prior to study entry (Day 0).
* Cancer that is actively being treated with a cytotoxic agent.
* Documented hyper-coagulable state.
* Bleeding diathesis.
* Active clinically significant immune-mediated disease, not controlled by maintenance immunosuppression.
* High dose glucocorticoid therapy for treatment of autoimmune flare, or other inflammatory diseases is excluded.
* Patients using glucocorticoids for immunosuppression post-transplant to prevent against transplanted allograft rejection in the period post allograft failure are excluded.
* The following examples of immunosuppressive agents (or the like) are exclusionary for enrollment in this clinical trial:
* tacrolimus or FK506 \[Prograf\]
* mycophenolate mofetil \[Cellcept\],
* cyclosporine \[Sandimmune or Gengraf\] i-Sirolimus administered systemically (Sirolimus in drug eluting stents is NOT an exclusion)
* Anticipated renal transplant within 6 months.
* Venous outflow from study conduit cannot be placed more centrally than the venous outflow of any previous failed access in that extremity.
* Active local or systemic infection (white blood cells \[WBC\] \> 15,000 cells/mm3 at Screening). If the infection resolves, the subject must be at least one week post resolution of that infection before implantation.
* Known serious allergy to planned antiplatelet agent.
* Pregnant women, or women intending to become pregnant during the course of the trial.
* Any other condition which in the judgment of the investigator would preclude adequate evaluation of the safety and efficacy of the study conduit.
* Previous enrollment in this study or any other study with the HAV.
* Employees of Humacyte and employees or relatives of the investigator.
Minimum Eligible Age

18 Years

Eligible Sex

ALL

Accepts Healthy Volunteers

No

Sponsors

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CTI Clinical Trial and Consulting Services

OTHER

Sponsor Role collaborator

California Institute for Regenerative Medicine (CIRM)

OTHER

Sponsor Role collaborator

Humacyte, Inc.

INDUSTRY

Sponsor Role lead

Responsible Party

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Responsibility Role SPONSOR

Principal Investigators

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Shamik Parikh, MD

Role: STUDY_DIRECTOR

Humacyte, Inc.

Locations

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Arizona Kidney Disease and Hypertension Center (AKDHC)

Phoenix, Arizona, United States

Site Status

Carondelet St. Mary's Hospital

Tucson, Arizona, United States

Site Status

Ladenheim Dialysis Access Center

Fresno, California, United States

Site Status

General Surgery and Vascular Access

Fresno, California, United States

Site Status

University of California Irvine (UCI) Medical Center

Irvine, California, United States

Site Status

VA Long Beach Healthcare System

Long Beach, California, United States

Site Status

VA Sacramento Medical Center

Mather, California, United States

Site Status

Balboa Nephrology

San Diego, California, United States

Site Status

University of South Florida

Tampa, Florida, United States

Site Status

Southwest Vascular Access Center

Alsip, Illinois, United States

Site Status

University of Maryland Medical Center

Baltimore, Maryland, United States

Site Status

Brigham and Women's Hospital

Boston, Massachusetts, United States

Site Status

Michigan Cardiovascular Institute

Flint, Michigan, United States

Site Status

Greenwood Leflore Hospital

Greenwood, Mississippi, United States

Site Status

Washington University School of Medicine

St Louis, Missouri, United States

Site Status

Rutgers-New Jersey Medical School

Newark, New Jersey, United States

Site Status

The Cardiovascular Care Group

Westfield, New Jersey, United States

Site Status

Duke University Hospital

Durham, North Carolina, United States

Site Status

Kaiser Permanente

Portland, Oregon, United States

Site Status

Medical University of South Carolina (MUSC)

Orangeburg, South Carolina, United States

Site Status

Baylor Scott and White Research Institute

Dallas, Texas, United States

Site Status

University of Wisconsin

Madison, Wisconsin, United States

Site Status

Universitätsklinikmn Erlangen, Gefäßchirurgie - Chirurgisches Zentrum

Erlangen, Bavaria, Germany

Site Status

Universitätsklinikum Frankfurt Klinik für Gefäß- und Endovascular-Chirurgie

Frankfurt am Main, Hesse, Germany

Site Status

The Chaim Sheba Medical Center

Ramat Gan, Tel Aviv, Israel

Site Status

Hillel Jaffe Medical Center

Hadera, , Israel

Site Status

Rambam Health Care Campus

Haifa, , Israel

Site Status

Sharee Zedek Medical Center

Jerusalem, , Israel

Site Status

Yitzhak Shamir Medical Center - Assaf Harofeh

Tzrifin, , Israel

Site Status

Szpital Kliniczny Przemienienia Panskiego Uniwersytetu Medycznego im. Karola Marcinkowskiego

Poznan, , Poland

Site Status

Samodzielny Publiczyn Centralny Szpital Klinziczny w Warszawie - Uniwersyteckie Centrum Kliniczne Warszawskiego Uniwersytetu Medycznego

Warsaw, , Poland

Site Status

Wojewódzki Szpital Specjalistyczny we Wrocławiu

Wroclaw, , Poland

Site Status

Grupo de Estudos Vasculares

Porto, , Portugal

Site Status

Leicester General Hospital

Leicester, East Midlands/ Leicestershire, United Kingdom

Site Status

Guy´s Hospital, Kings´College London

London, Greater London, United Kingdom

Site Status

Queen Elizabeth Hospital Birmingham

Birmingham, West Midlands, United Kingdom

Site Status

Queen Elizabeth University Hospital Glasgow

Glasgow, , United Kingdom

Site Status

Leeds General Infirmary

Leeds, , United Kingdom

Site Status

Countries

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United States Germany Israel Poland Portugal United Kingdom

References

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Wang J, Blalock SKF, Levitan GS, Prichard HL, Niklason LE, Kirkton RD. Biological mechanisms of infection resistance in tissue engineered blood vessels compared to synthetic expanded polytetrafluoroethylene grafts. JVS Vasc Sci. 2023 Jul 14;4:100120. doi: 10.1016/j.jvssci.2023.100120. eCollection 2023.

Reference Type DERIVED
PMID: 37662589 (View on PubMed)

Provided Documents

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Document Type: Study Protocol

View Document

Document Type: Statistical Analysis Plan

View Document

Other Identifiers

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2015-003261-28

Identifier Type: EUDRACT_NUMBER

Identifier Source: secondary_id

CLN-PRO-V006

Identifier Type: -

Identifier Source: org_study_id

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