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



Status:Recruiting
Conditions:Renal Impairment / Chronic Kidney Disease, Renal Impairment / Chronic Kidney Disease, Renal Impairment / Chronic Kidney Disease, Hospital
Therapuetic Areas:Nephrology / Urology, Other
Healthy:No
Age Range:18 - Any
Updated:1/20/2019
Start Date:September 29, 2017
End Date:December 2023
Contact:Angela Rose, MBA
Email:rose@humacyte.com
Phone:919-313-9633

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A Phase 3 Study to Compare the Efficacy and Safety of Humacyte's Human Acellular Vessel With That of an Autologous Arteriovenous Fistula in Subjects With End Stage Renal Disease

The main purpose of this study is to compare the Human Acellular Vessel (HAV) with
arteriovenous fistula (AVF) when used for hemodialysis access

This is a Phase 3, prospective, multicenter, open-label, randomized, two-arm, comparative
study. Subjects who sign informed consent will undergo study-specific screening assessments
within 45 days from the day of informed consent.

Eligible study subjects will be randomized to receive either an HAV or AVF. The randomization
will be stratified by upper arm or forearm placement based on the investigator's
determination of where the study access (SA) should be located. Subjects will be followed to
24 months post SA creation at routine study visits regardless of patency status. After 24
months, AVF subjects with a patent SA will be followed (while the SA remains patent) for up
to 5 years (60 months) post SA creation at routine study visits. After 24 months, HAV
subjects will be followed (regardless of SA patency) for 5 years (60 months) post SA creation
at routine study visits.

Inclusion Criteria:

1. Subjects with end-stage renal disease (ESRD), receiving HD via DC and are suitable for
the creation of an AVF or implantation of AVG for HD access.

2. Subjects who plan to undergo HD at a dialysis unit of a participating dialysis
provider for at least the first 6 months after SA creation.

3. Subjects aged at least 18 years at Screening.

4. Suitable anatomy for creation of a forearm or upper arm AVF and for implantation of
straight or looped HAV in either the forearm or upper arm.

5. Hemoglobin ≥8 g/dL and platelet count ≥100,000 /mm3.

6. International Normalized Ratio (INR) ≤ 1.5.

7. Female subjects must be either:

1. Of non-childbearing potential, which is defined as post-menopausal (at least 1
year without menses prior to Screening) or documented surgically sterile or post
hysterectomy (at least 1 month prior to Screening).

2. Or, of childbearing potential, in which case:

i. Must have a negative urine or serum pregnancy test at Screening, and ii. Must agree
to use at least one form of the following birth control methods for the duration of
the study:

- Established use of oral, injectable or implanted hormonal methods of
contraception.

- Placement of an intrauterine device or intrauterine system.

- Barrier methods of contraception: condom or occlusive cap (diaphragm or
cervical/vault caps) with spermicidal foam/ gel/ film/ cream/ suppository.

8. 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.

9. Life expectancy of at least 2 years.

Exclusion Criteria:

1. Subjects who are optimal candidates for radiocephalic AVF as indicated by meeting ALL
of the following criteria:

1. No previous failed AVF.

2. Cephalic vein diameter on ultrasound of more than 3.5mm.

3. Radial artery diameter on ultrasound of more than 3mm.

4. Vein depth of less than 0.5cm from the skin.

5. Normal Allen's test indicating that ulnar artery flow to the hand is sufficient.

6. No calcification in the wall of the distal radial artery.

7. Sufficient length of the proposed fistula outflow vein to provide an adequate (at
least 6 cm) cannulation segment.

8. No evidence of iatrogenic injury to target artery or vein.

2. Uncontrolled diabetes;

a. HbA1c >10% (at Screening).

3. History or evidence of severe peripheral arterial disease in the extremity selected
for implant.

4. Known or suspected central vein stenosis or obstruction on the side of planned SA
creation, unless corrected prior to randomization.

5. Planned AVF creation that requires more than one stage to complete. (e.g. basilic vein
transposition AVF performed in 2 stages).

6. Planned AVF creation by means other than suture or vascular anastomotic clips (e.g.
endovascular surgery or other anastomotic creation devices).

7. Treatment with any investigational drug or device within 60 days prior to study entry
(Day 0) or ongoing participation in a clinical trial of an investigational product.

8. Cancer that is actively being treated with a cytotoxic agent.

9. Documented hyper-coagulable state.

10. Bleeding diathesis.

11. Active clinically significant immune-mediated disease, not controlled by maintenance
immunosuppression.

1. Low dose glucocorticoid therapy (e.g. 5-10mg prednisone [Deltason]) is
acceptable.

2. High dose glucocorticoid therapy for treatment of autoimmune flare, or other
inflammatory diseases is excluded.

3. Patients using glucocorticoids for immunosuppression post-transplant to prevent
against transplanted allograft rejection in the period post allograft failure are
excluded.

4. 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]

- sirolimus [Rapamune] (this only includes systemically administered, drug
eluting stents are acceptable)

12. Anticipated renal transplant within 6 months.

13. History of heparin-induced thrombocytopenia.

14. Venous outflow from SA cannot be located more centrally than the venous outflow of any
previous failed access in that extremity.

15. 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 SA creation.

16. Known serious allergy or intolerance to aspirin and alternative antiplatelet therapy.

17. Pregnant women, or women intending to become pregnant during the course of the trial.

18. Any other condition which in the judgment of the investigator would preclude adequate
evaluation of the safety and efficacy of the SA.

19. Previous enrollment in this study or any other study with HAV.

20. Employees of Humacyte and employees or relatives of an investigator.
We found this trial at
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Sacramento, California 95817
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75 Francis street
Boston, Massachusetts 02115
(617) 732-5500
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Los Angeles, California 90033
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1 Tampa General Cir
Tampa, Florida 33606
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80 Jesse Hill Jr Dr SE
Atlanta, Georgia 30303
(404) 616-1000
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1918 Randolph Road
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2300 N Edward St
Decatur, Illinois 62526
(217) 876-8121
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777 Bannock St
Denver, Colorado 80204
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Fresno, California 92123
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Irvine, California 92697
949-824-5011
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Knoxville, Tennessee 37996
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3350 La Jolla Village Drive
La Jolla, California 92161
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Laguna Hills, California 92653
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Miami, Florida 33140
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8701 W Watertown Plank Rd
Milwaukee, Wisconsin
(414) 955-8296
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185 University Avenue
Newark, New Jersey 07103
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Portland, Oregon 97015
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7910 Frost Street
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Sylmar, California 91342
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Tucson, Arizona 85721
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