A Study to Learn More About How Well the Study Treatment Finerenone Works, How Safe it is, How it Moves Into, Through, and Out of the Body, and the Effects it Has on the Body When Taken With an ACE Inhibitor or Angiotensin Receptor Blocker in Children With Chronic Kidney Disease and Proteinuria (FIONA)

  • STATUS
    Recruiting
  • End date
    Sep 11, 2026
  • participants needed
    219
  • sponsor
    Bayer
Updated on 12 July 2022
hypertension
aldosterone
ace inhibitor
angiotensin
chronic kidney disease
renin
angiotensin ii receptor antagonists

Summary

Researchers are looking for a better way to treat children who have chronic kidney disease (CKD), which is long-term kidney disease, and proteinuria, a condition in which a person´s kidneys leak protein into the urine.

The kidneys filter waste and fluid from the blood to form urine. In children with CKD, the kidney´s filters do not work as well as they should. This can lead to accumulation of waste and fluid in the body and proteinuria. CKD can lead to other medical problems, such as high blood pressure, also known as hypertension. Vice versa, hypertension and proteinuria can also contribute to worsening of CKD. Therefore, the treatment of CKD aims to control blood pressure and proteinuria. There are treatments available for doctors to prescribe to children with CKD and hypertension and/or proteinuria. These include "angiotensin-converting enzyme inhibitors" (ACEI) and "angiotensin receptor blockers" (ARB). Both ACEI and ARB can improve kidney function by helping the renin-angiotensin-aldosterone system (RAAS) to work normally. The RAAS is a system that works with the kidneys to control blood pressure and the balance of fluid and electrolytes in the blood. In people with CKD, the RAAS is often too active, which can stop the kidneys from working properly and cause hypertension and proteinuria. However, ACEI or ARB treatment alone does not work for all patients with CKD as they only target the angiotensin part of the renin-angiotensin-aldosterone system.

The study treatment, finerenone, is expected to help control RAAS overactivation together with an ACEI or ARB.

So, the researchers in this study want to learn more about whether finerenone given in addition to either an ACEI or ARB can help their kidney function.

The main purpose of this study is to learn more about whether finerenone added to either ACEI or ARB can help reduce the amount of protein in the participants' urine more than a placebo. A placebo looks like a treatment but does not have any medicine in it. Participants will also continue to receive their other medications.

To see how the treatment work, the doctors will take samples of the participants' urine to measure their protein levels before and during taking treatment and after their last treatment. In addition, blood samples will be taken to monitor kidney function, electrolytes and the amount of finerenone in the blood as well as for other tests.

This study will include children with CKD and proteinuria aged from 6 months up to less than 18 years. The participants will take:

  • either finerenone or the placebo, in addition to
  • either ACEI or ARB, whichever they take as part of their normal treatment

Two visits are required up to 104 days, to check whether a child can take part in the treatment phase of the study. If participants qualify for the treatment phase, they will then undergo treatment for about 180 days. During this time, they will visit the study site at least 7 times. During these visits, the participants will:

  • have their blood pressure, heart rate, temperature, height and weight measured
  • have blood and urine samples taken
  • have physical examinations
  • have their heart examined by an electrocardiogram and echocardiography (a sonogram of the heart)
  • answer questions about their medication and whether they have any adverse events , or have their parents or guardians answer
  • answer questions about how they are feeling, or have their parents or guardians answer
  • answer question about how they like the study medication, or have their parents or guardians answer

The doctors will keep track of any adverse events. An adverse event is any medical problem that a participant has during a study. Doctors keep track of all adverse events that happen in studies, even if they do not think the adverse events might be related to the study treatments.

The doctors will check the participants' health about 30 days after the participants take their last treatment.

Details
Condition Chronic Kidney Disease, Proteinuria
Treatment Placebo, Finerenone (Kerendia, BAY94-8862)
Clinical Study IdentifierNCT05196035
SponsorBayer
Last Modified on12 July 2022

Eligibility

Yes No Not Sure

Inclusion Criteria

Participants must be 6 months to <18 years old at the time when the informed consent/assent is signed
Participants must have a clinical diagnosis of chronic kidney disease (CKD) at screening which is defined as
CKD stages 1-3 (eGFR ≥30 mL/min/1.73m^2) for children ≥1 year to <18 years of age or
a serum creatinine ≤ 0.40 mg/dL for infants 6 months to < 1 year of age and
severely increased proteinuria as defined by
Urinary protein-to-creatinine ratio (UPCR) of ≥ 0.50 g/g in participants ≥ 2 years with CKD stage 2 and 3 or
UPCR ≥ 1.0 g/g for patients < 2 years of age or ≥ 2 years of age and with CKD stage 1
Treated with an angiotensin-converting enzyme inhibitor (ACEI) or angiotensin receptor
Participants must have stable kidney function between screening and D0 defined as
blocker (ARB) at optimized doses defined as maximally tolerable doses within
no increase or decrease in eGFR ≥ 15% for children ≥1 year or
the recommended dose range according to guidelines on blood pressure
no increase or decrease in creatinine ≥ 0.10 mg/dL for children <1 year
management, unchanged for at least 30 days prior to screening
K+ ≤5.0 mmol/L for children ≥2 years of age at both screening and D0, and ≤5.3 mmol/L for children <2 years of age at both screening and D0

Exclusion Criteria

Planned urological surgery expected to influence renal function
Children with hemolytic uremic syndrome (HUS) diagnosed ≤6 months prior to screening
Patients with nephrotic syndrome receiving albumin infusions within the last 6 months prior to screening
Renal allograft in place
Bilateral renal artery stenosis
Acute kidney injury requiring dialysis within 6 months prior to screening
Patients who are candidates for renal transplantation, i.e., a kidney transplantation scheduled within the study time frame
Systolic blood pressure (SBP) above 110 mmHg in infants 6 months to <1 year of age at screening or randomization
Systemic hypotension defined as a systolic blood pressure below the 5th percentile for age, sex and height at either screening or randomization but no lower than 80 mmHg (although for some participants the 5th percentile of SBP is < 80 mmHg they must be excluded if their SBP is <80 mmHg)
Participants using rituximab, cyclophosphamide, abatacept, or intravenous glucocorticoids, within <6 months prior to screening for any reason
Systemic hypertension stage 2 in children ≥1 year of age defined according to guidelines on blood pressure management at screening or randomization
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