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Ex Vivo Normothermic Perfusion in Kidney Transplantation.

Recruiting
18 years of age
Both
Phase N/A

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Overview

A multicenter, prospective and open-label clinical investigation to evaluate the viability, performance and safety of ex vivo normothermic perfusion in kidney transplantation from DCD and DBD donors.

Description

The Ark Kidney System is a medical device for ex vivo normothermic perfusion intended to create the conditions that allow kidneys to be resuscitated and / or preserved prior to transplantation. It consists of a permanent unit, which is retained after each perfusion, and a disposable circuit called the Kidney Disposable Set (KDS), which must be replaced after perfusion to ensure sterile conditions.

It is a portable organ perfusion system designed to preserve a kidney by continuous perfusion of the donated organ with warm oxygenated perfusate supplemented with erythrocytes from the blood bank. The perfusion solution circulates continuously through the vascular network of the organ in a closed circuit. During perfusion, the system can monitor organ perfusion parameters, as well as the conditions of the perfusion solutions and the volume of urine generated during the perfusion.

The primary objective of the clinical study is to assess the viability, performance and safety of ex vivo normothermic perfusion with the Ark Kidney System in kidney transplantation from DCD and DBD donors.

Eligibility

Inclusion Criteria:

  1. Patients aged 18 years and older
  2. Patients undergoing renal replacement therapy by means of dialysis and included in the waiting list for renal transplantation in their respective site.
  3. Candidates to receive a first or second renal transplant from (i) a Maastricht type III (Maastricht classification) controlled DCD donor or (ii) a DBD donor aged 70 years or older.
  4. Patients that have given informed consent in written form before their inclusion in the study. In case of compromised mental capacity, the approval and signature of a legal guardian will be required.
  5. Patients compliant with the requirements of the study and without impediments to follow the instructions throughout the 1-year duration of the study.
  6. Patients that meet the acceptance criteria for kidney transplant recipients established in the clinical site in agreement with usual clinical practice.

Exclusion Criteria:

  1. Two or more previous kidney transplantations
  2. Dual kidney transplantation or multivisceral transplantation (e.g. a pancreas-kidney transplantation)
  3. Recipients of an organ with any of the following characteristics:
    1. Expected cold ischemia time before EVNP > 20 hours
    2. Organ from hepatitis B surface antigen-positive or hepatitis C viremic donor
    3. Organ with multiple arteries
  4. Recipients with body mass index (BMI) > 40 kg/m2
  5. Diagnosis of focal segmental glomerulosclerosis (FSGS) or membranoproliferative glomerulonephritis with high recurrence risk after transplantation in the eyes of the investigator.
  6. Diagnosis of atypical hemolytic-uremic syndrome or thrombotic microangiopathy at the moment of inclusion
  7. Diagnosis of antiphospholipid syndrome at the moment of inclusion
  8. Panel-reactive antibodies (PRA) score > 50%
  9. Known allergies to any of the components of the perfusate
  10. Preexisting vascular disease that represents an extraordinary technical difficulty for the transplantation in the opinion of the investigator
  11. Presence of clinically relevant donor-specific anti-HLA antibodies
  12. ABO incompatibility
  13. History of alcohol or drug abuse in the last two years
  14. Use of normothermic regional perfusion during the organ harvesting process
  15. Participation of the patient in another study or clinical trial.

Study details

Kidney Transplantation

NCT05175885

Ebers Medical Technology, S.L.

14 February 2024

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