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NCT Number: NCT04450953

The Effect of Eplerenone on the Evolution of Vasculopathy in Renal Transplant Patients.

Cardiovascular (CV) pathologies are the leading cause of death in kidney transplant patients.Arterial stiffness is a prognostic factor for CV mortality in kidney transplantation. Despite a reduced CV risk in transplant kidney patients in comparison to patients in dialysis, CV mortality among kidney transplant patients is much higher than the general population.

After renal transplantation, the cardiac and vascular anomalies observed in chronic end-stage renal disease are partially improved because of restored normal kidney function and withdrawal from dialysis.

However, patients are exposed to immunosuppressive drugs, in particular calcineurin inhibitors, which can be associated with vascular toxicity, either directly or by promoting the appearance of hypertension, diabetes, or dyslipidemia.The pathophysiology of arterial stiffness in kidney transplantation is complex and multifactorial.

Calcineurin inhibitors are likely to play an important role in the persistence of increased arterial stiffness in transplant patients in whom renal function has been restored. Indeed, the discontinuation of anti-calcineurins in favour of other molecules .is associated with a decrease of arterial stiffness.

Preclinical work has shown that the vascular toxicity of cyclosporine is mediated by activation of the mineralocorticoid receptor in smooth muscle cells. The involvement of the mineralocorticoid receptor in the onset of arterial stiffness is also well demonstrated in non-transplanted subjects.

Blocking the mineralocorticoid receptor in patients under cyclosporine may reduce their arterial stiffness and in and consequently improve their CV prognosis.

Studies have show a good safety in kidney transplant patients. This pilot study proposes to examine, for the first time, the impact of treatment with a mineralocorticoid receptor antagonist on the evolution of arterial stiffness in renal transplant patients on calcineurin inhibitors.

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Key information

Age range

50 year and older

Sex eligibility

All sexes

Study type

Interventional

Phase

Phase 3

Primary location

Who can participate

Healthy volunteers accepted: No

Only the study team can determine whether someone qualifies for participation.

Inclusion criteria

  • Men or women ≥ 50 years of age;
  • Patient who had a kidney transplant at least one year prior to inclusion;
  • Patient on cyclosporine;
  • Patient whose clinical-biological state has been stable for at least 3 months: no change in treatment with an impact on blood pressure (excluding immunosuppressive drug) for 3 months, no acute rejection diagnosed within 3 months;
  • Patient with a glomerular filtration rate estimated according to the formula CKD-EPI ≥30mL/min/1.73m2;
  • Patient with a peripheral PAS≥110mmHg, irrespective of the presence or not of an antihypertensive therapy (including ACE inhibitors or sartan) ;
  • Patient with signed informed consent;
  • Patient affiliated with or beneficiary of a social security system.

Exclusion criteria

  • Patient with documented kalemia ≥ 5mmol/L in the last 15 days;
  • Patient undergoing mineralocorticoid receptor antagonism or with a formal indication to receive this treatment;
  • Bicarbonate blood level <20mmol/L with or without documented supplementation in the last 15 days.
  • Indication for a combination of ACE inhibitor and sartan (each of which is authorized separately);
  • Patient under another potassium sparing diuretics;
  • Patient under digoxine;
  • Sodium polystyrene sulfonate contraindication;
  • Known hypersensitivity or allergy to eplerenone and its excipients;
  • Patient with severe hepatic impairment (Child-Pugh Class C);
  • Patient under CYP3A4 inhibitor;
  • know intolerance to Galactose, a Lapp lactase deficiency or galactose malabsorption syndrome;
  • Patient participating in other interventional research;
  • Woman with a desire of pregnancy within 15 months;
  • Woman of childbearing age without effective contraception;
  • Persons referred to in Articles L. 1121-5, L. 1121-7 and L1121-8 of the Public Health Code :
  • Pregnant women, parturient women or nursing mothers ;
  • Adult person subject to a legal protection measure (guardianship, curator, judicial safeguard);
  • Adults person who is unable to give consent and who is not subject to a legal protection measure;
  • Persons deprived of their liberty by a judicial or administrative decision;
  • Persons subject to psychiatric care pursuant to articles L. 3212-1 and L. 3213-1.

Treatment and study plan

Eplerenone 50mg/day (cross over design)

Drug

Eplerenone 50mg/day for 6 months followed

Period without eplerenone (cross over design)

Other

6-month period without eplerenone

Primary outcomes

  1. Evolution of pulse wave velocity (PWV in m/s) adjusted to the blood pressure

    Time frame: After 6 months of treatment with eplerenone

Secondary outcomes

  1. Evolution of Central Systolic Blood Pressure (CSPc)

    Time frame: After 6 months of treatment with eplerenone

  2. Evolution of central Diastolic Blood Pressure (CDAb)

    Time frame: After 6 months of treatment with eplerenone

  3. Evolution of Central Pulsed Pressure (CPp)

    Time frame: After 6 months of treatment with eplerenone

  4. Evolution of Augmentation index (Aix in %)

    Time frame: After 6 months of treatment with eplerenone

  5. Evolution peripheral systolic blood pressure (PASp in mmHg)

    Time frame: After 6 months of treatment with eplerenone

  6. Evolution of peripheral diastolic blood pressure (PADp in mmHg)

    Time frame: After 6 months of treatment with eplerenone

  7. Evolution of peripheral pulse pressure (PPp in mmHg)

    Time frame: After 6 months of treatment with eplerenone

  8. Evolution of Intima-media thickness (in mm)

    Time frame: After 6 months of treatment with eplerenone

  9. Evolution of left ventricular mass (LVM in g/m2)

    Time frame: After 6 months of treatment with eplerenone

  10. Evolution of biological markers of oxidative stress (plasma Isoprostane)

    Time frame: After 6 months of treatment with eplerenone

  11. Evolution of biological markers of oxidative stress (Malondialdehyde)

    Time frame: After 6 months of treatment with eplerenone

  12. Evolution of Biological markers of endothelial dysfunction (endothelin)

    Time frame: After 6 months of treatment with eplerenone

  13. Evolution of biological markers of endothelial dysfunction (soluble endothelium selectin (sE-selectin))

    Time frame: After 6 months of treatment with eplerenone

  14. Evolution of biological markers of endothelial dysfunction (von Willebrand factor)

    Time frame: After 6 months of treatment with eplerenone

  15. Evolution of graft function

    Time frame: After 6 months of treatment with eplerenone

    measured by creatinine (in micromol/L) with estimation of glomerular filtration rate (eGFR in mL/min/1.73m2 ) according to the CKD-EPI formula.

  16. Evolution of proteinuria

    Time frame: After 6 months of treatment with eplerenone

    measured by the ratio proteinuria/creatinuria (in mg/g)

  17. Percentage of patients with DFG ≥ 90, 60-89, 45-59, 30-44, 15-29 <15ml/min/1,73m2

    Time frame: After 6 months of treatment with eplerenone

  18. Percentage of patient with ratio proteinuria/creatinuria (en mg/g) <500 ; 500-1000, 1000-2000, 2000-3000, >3000

    Time frame: After 6 months of treatment with eplerenone

  19. hyperkalemia occurence ≥ 5.5 mmol/L

    Time frame: during 6 month of treatment with eplerenone

  20. Number of hyperkalemia

    Time frame: during 6 month of treatment with eplerenone

    number of hyperkalemias during hyperkalemia follow-up between 5 - 5.49; 5.5 - 6; >6mmol/L

  21. increase of creatinine of more than 50%

    Time frame: during 6 month of treatment with eplerenone

    Evaluation of risk of acute renal failure defined as an increase in creatinine of more than 50%

Study contacts

Contact information is provided by the study sponsor or research team.

Nicolas GIRERD, MD-PhD

CONTACT

[email protected]

(0) 3 83 15 73 22 ext. +33

Sophie GIRERD, MD-phD

CONTACT

[email protected]

(0) 3 83 15 73 22 ext. +33

Sponsors and collaborators

Lead sponsor

Central Hospital, Nancy, France

Other

Registry information

Official study title

A Randomized Crossover Clinical Trial Regarding the Blockage of the Mineralocorticoid Receptor Using Eplerenone on the Evolution of Arterial Stiffness in Kidney Patients One Year After Transplant

Acronym: EVATRAN

Important dates

Study start
2021
Primary completion
2025
Study completion
2025
First posted
Jun 30, 2020
Registry last updated
Feb 12, 2025

OpenTrials presents study information sourced from ClinicalTrials.gov. The official registry record should be consulted for the latest information.

View the official ClinicalTrials.gov record (opens in a new tab)

This listing is for discovery and informational purposes only. It is not medical advice, does not guarantee that a study is recruiting, and does not determine eligibility. Contact the study team and a qualified healthcare professional when considering participation.