Evaluation of STARgraft-2 for Hemodialysis Access

Healionics

Status: Completed

Conditions: End Stage Renal Disease

Treatments: Device: Implant of STARgraft-2 shunt in the upper arm and subsequent use for hemodialysis access

Study type: Interventional

Funder types: Industry

Identifiers

NCT04783779

CIP 00480 A

Details and patient eligibility

About

This study is a single site, prospective, single arm evaluation of the safety and effectiveness of the Healionics STARgraft-2 hemodialysis access graft. STARgraft devices have been demonstrated in preclinical and other studies to have improved resistance to the common failure modes of venous anastomosis stenosis and infection.

This study is an extension from a prior First in Human (FIH) study (NCT03916731) with the STARgraft AV investigational device. That study also included control implants of commercially available standard ePTFE grafts approved for the same use.

The study is enrolling patients with End Stage Renal Disease (ESRD) requiring hemodialysis via a prosthetic vascular graft. The study proposes to:

1. Evaluate the performance of the investigational STARgraft-2 compared to the ePTFE controls in the prior study and to published results, over a period of 6 months, with extended results to 1 year.
2. Verify safety of the STARgraft-2 multilayer construction in extended dialysis vascular access use.

It is intended to enroll 25 subjects in this study.

Enrollment: 24 patients

Sex: All

Ages: 18+ years old

Volunteers: No Healthy Volunteers

Inclusion criteria

1. Male or female, > 18 years or age.
2. Patient has given informed consent to participate in the trial.
3. Stated willingness to comply with all study procedures and availability for the duration of the study.
4. Able to effectively communicate with study personnel.
5. Candidate for a new arterio-venous graft placed in the upper arm.
6. Life expectancy judged to be at least 2 years.
7. Axillary vein of greater than or equal to 7 mm in diameter.
8. Brachial artery of greater than or equal to 4 mm in diameter.
9. Acceptable cardiac risk level (Cardiac Output ≥ 3.5 L/min, Pulmonary Artery Pressure ≤ 50 mmHg, Ejection Fraction ≥ 40%)
10. Systolic blood pressure equal to or greater than 120 mmHg.
11. Absence of central venous stenosis downstream from implant site confirmed with ultrasound and/or venogram.

Exclusion criteria

1. Unable or unlikely to comply with trial protocol and/or follow-up.
2. Pregnancy.
3. Clinically morbid obesity.
4. Anatomical limitations.
5. Immunodeficiency syndrome.
6. History of bacterial infection within 8 weeks prior to graft implantation.
7. History of hypercoagulation or bleeding disorders.
8. Elevated platelet count > 1 million per microliter of blood.
9. History of heparin-induced thrombocytopenia syndrome (HIT).
10. Medically confirmed stenosis of the veins downstream of the implant site.
11. Inadequate arterial flow or pressure proximal to the implant site.
12. Currently participating in another investigation drug or device study which may clinically interfere with any endpoints of this trial.
13. Fever greater than 38° C.
14. Prior allergic reaction to silicone.
15. Confirmed or suspected COVID-19 infection within 8 weeks prior to graft implant, or ongoing COVID-19 symptoms

Trial design

Primary purpose: Treatment

Allocation: N/A

Interventional model: Single Group Assignment

Masking: None (Open label)

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24 participants in 1 patient group

STARgraft-2

Experimental group

Description:

Participants will be implanted with 6mm diameter STARgraft-2 grafts as an upper arm Brachial Artery to Axillary Vein shunt for hemodialysis access.

Treatment:

Device: Implant of STARgraft-2 shunt in the upper arm and subsequent use for hemodialysis access