The EFfect of FinErenone in Kidney TransplantiOn Recipients: The EFFEKTOR Study

Trial statusRecruiting
Trial phasePhase 2
Trial typeInterventional
Biological sexAll
Age18+
SponsorUniversity of North Carolina, Chapel Hill

About this trial

EFFEKTOR is a vanguard, multicenter, phase 2 randomized, double blinded, placebo controlled clinical trial to determine the feasibility, tolerability, safety, and efficacy of finerenone in kidney transplant recipients (KTRs). One hundred fifty (150) KTRs will be randomized in a 2:1 ratio of finerenone to placebo, with two embedded substudies: (i) a kidney biopsy substudy in 50 participants who undergo a research kidney biopsy prior to randomization and at the end of active treatment; and (ii) a functional MRI (fMRI) substudy in 50 participants who undergo fMRI prior to randomization and at the end of active treatment.

Eligibility criteria

This trial does not accept healthy volunteers

Qualifiers

Adult kidney transplant recipients ≥ 18 years

1 to 10 years post kidney transplantation from a deceased or living donor

Stable kidney allograft function (within 20% baseline eGFR) and based on the clinical judgement of the investigator

Preserved kidney allograft function defined as an eGFR ≥ 25 mL/min/1.73 m

Disqualifiers

Documented recurrent lupus nephritis, ANtineutrophilic Cytoplasmic Antibody (ANCA) vasculitis, membranoproliferative glomerulonephritis (including C3 glomerulopathy)

History of solid organ transplantation other than kidney

Acute kidney injury requiring dialysis within 6 months prior to screening

Uncontrolled hypertension with a sitting Systolic Blood Pressure (SBP) ≥180 mmHg or Diastolic Blood Pressure (DBP) ≥100 mmHg

Trial design

Design model

Parallel

Treatments tested in this trial

  • Finerenone Oral Tablet

    Drug

    Blinded study of finerenone vs. placebo in kidney transplant recipients. Participants will take finerenone or placebo once daily for 12 months. The drug will be up- or down-titrated according to potassium levels.

  • Placebo

    Drug

    Blinded study of finerenone vs. placebo in kidney transplant recipients. Participants will take finerenone or placebo once daily for 12 months. The drug will be up- or down-titrated according to potassium levels.

Treatment groups

100 Participants
are divided into 2 treatment groups
Group A: FinerenoneExperimental treatment 1 intervention
Group B: PlaceboPlacebo comparator 1 intervention

Trial outcomes

Primary outcomes

1

Feasibility of recruitment to the main clinical trial: Total number of participants who were eligible and enrolled in the main clinical trial

Signed consent by 30 participants for the main clinical trial within 3 months of launching the full study protocol (date of first person randomized).

Time frame
Up to 3 months after launching the full study protocol
2

Feasibility of recruitment to the kidney biopsy substudy: Total number of participants who were eligible and enrolled in the kidney biopsy substudy

Signed consent by 10 participants for the biopsy substudy within 3 months of launching the full study protocol (date of first person randomized).

Time frame
Up to 3 months after launching the full study protocol

Secondary outcomes

1

Relative tolerability of finerenone

Relative tolerability is defined as the percent time spent on the investigational product.

Time frame
From randomization to last on study drug visit, approximately 12 months
2

Risk for discontinuation of finerenone

The number of the participants who permanently discontinue the investigational product prior to the last on study drug visit, divided by the total number of study participants in the same treatment group.

Time frame
From randomization to last on study drug visit, approximately 12 months
3

Overall safety of finerenone

The percentage of participants suffering a serious adverse event or adverse event of interest (hyperkalemia, acute kidney injuries) while on study drug.

Time frame
From randomization to last on study drug visit, approximately 12 months
4

Adverse Event (AE) related to hyperkalemia

The percentage of participants requiring acute care (hospitalization or ER visit) for hyperkalemia, while on study drug.

Time frame
From randomization to last on study drug visit, approximately 12 months

Other outcomes

1

Efficacy for functional Magnetic Resonance Imaging (fMRI) kidney oxygenation

Difference between active versus placebo groups with respect to absolute change in fMRI measures of cortical oxygen availability, estimated by R2\* (s-1) using blood oxygenation level dependent (BOLD) MRI

Time frame
From within 2 weeks before randomization, within 2 weeks before last on study drug visit, up to 12.5 months
2

Efficacy for functional Magnetic Resonance Imaging (fMRI) kidney perfusion

Difference between active versus placebo groups with respect to absolute change in fMRI measures of cortical perfusion (ml/min/100g), estimated using arterial spin labeling (ASL) MRI

Time frame
From within 2 weeks before randomization, within 2 weeks before last on study drug visit, up to 12.5 months
3

Efficacy for functional Magnetic Resonance Imaging (fMRI) kidney fibrosis

Difference between active versus placebo groups with respect to absolute change in fMRI cortical fibrosis, estimated by apparent diffusion coefficient (ADC), (x10-3/s) using diffusion-weighted MRI.

Time frame
From within 2 weeks before randomization, within 2 weeks before last on study drug visit, up to 12.5 months
4

Efficacy for interstitial fibrosis and tubular atrophy (IFTA)

Difference between active versus placebo groups with respect to absolute change in percent of cortex with IFTA

Time frame
From within 2 weeks before randomization, within 2 weeks before last on study drug visit, up to 12.5 months

Sponsors and contacts

Click on the lead sponsor to view all of their trials.

University of North Carolina, Chapel Hill

Lead sponsor

Bayer

Collaborator

Weill Medical College of Cornell University

Collaborator

University of Cincinnati

Collaborator