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A Study to Learn How Well the Treatment Combination of Finerenone and Empagliflozin Works and How Safe it is Compared to Each Treatment Alone in Adult Participants With Long-term Kidney Disease (Chronic Kidney Disease) and Type 2 Diabetes

A Parallel-group Treatment, Phase 2, Double-blind, Three-arm Study to Assess Efficacy and Safety of Finerenone Plus Empagliflozin Compared With Either Finerenone or Empagliflozin Alone in Participants With Chronic Kidney Disease and Type 2 Diabetes.

Status
Completed
Phases
Phase 2
Study type
Interventional
Source
ClinicalTrials.gov
Registry ID
NCT05254002
Acronym
CONFIDENCE
Enrollment
1664
Registered
2022-02-24
Start date
2022-06-23
Completion date
2025-03-17
Last updated
2026-07-13

For informational purposes only — not medical advice. Sourced from public registries and may not reflect the latest updates. Terms

Conditions

Chronic Kidney Disease, Type 2 Diabetes Mellitus

Brief summary

Finerenone works by blocking a group of proteins, called mineralocorticoid receptor. An increased stimulation of mineralocorticoid receptor is known to trigger injury and inflammation in the kidney and is therefore thought to play a role in CKD. Empagliflozin lowers blood sugar levels by increasing the excretion of glucose from the blood into the urine. In this study, the researchers want to learn how well the combination of finerenone and empagliflozin helps to slow down the worsening of the participants' kidney function compared to either treatment alone. For this, the level of protein in the urine will be measured. The investigators also want to know how safe the combination is compared to either treatment alone. Depending on the treatment group, the participants will either take the combination of finerenone and empagliflozin, or finerenone together with a placebo, or empagliflozin together with a placebo, once a day as tablets by mouth. A placebo looks like a treatment but does not have any medicine in it. Importantly, the participants will also continue to take their other current medicine for CKD and T2D. The participants will be in the study for up to 7.5 months and will take the study treatments for 6 months. During the study, participants will visit the study site 7 times. The study team will: * collect blood and urine samples * check the participants' vital signs * do a physical examination including height and weight * check the participants' heart health by using an electrocardiogram (ECG) * monitor the participants' blood pressure * ask the participants questions about how they are feeling and what adverse events they may be having An adverse event is any problem that happens during the trial. Doctors keep track of all events that happen in trials, even if they do not think the events might be related to the study treatments.

Interventions

DRUGFinerenone (BAY94-8862 ) 10 mg

oral administration, once daily if screening eGFR (Estimated glomerular filtration rate) results are: \<60 mL/min/1.73 m2

DRUGEmpagliflozin

oral administration, once daily

Matching placebo to empagliflozin oral administration, once daily

DRUGFinerenone (BAY94-8862 ) 20 mg

oral administration, once daily if screening eGFR (Estimated glomerular filtration rate) results are: ≥60 mL/min/1.73 m2

Matching Placebo to Finerenone oral administration once daily

Sponsors

Bayer
Lead SponsorINDUSTRY

Study design

Allocation
RANDOMIZED
Intervention model
PARALLEL
Primary purpose
TREATMENT
Masking
QUADRUPLE (Subject, Caregiver, Investigator, Outcomes Assessor)

Eligibility

Sex/Gender
ALL
Age
18 Years to No maximum
Healthy volunteers
No

Inclusion criteria

* Participant with a clinical diagnosis of chronic kidney disease (CKD) and the following: * In Part A: eGFR 40-90 ml/min/1.73m\^2 (with no more than 20% having an eGFR \>75 ml/min/1.73m\^2) using Chronic Kidney Disease Epidemiology Collaboration (CKD EPI) formula at screening visit and at least one historical value of eGFR \<60 mL/min/1.73 m\^2 within 3 months or have a registered diagnosis of CKD. * In Part B: eGFR 30-90 ml/min/1.73m\^2 (with no more than 20% having an eGFR \>75 ml/min/1.73m\^2) using CKD-EPI formula at screening visit and at least one historical value of eGFR \<60 mL/min/1.73 m\^2 within 3 months or have a registered diagnostic of CKD. * 100 ≤UACR \<5000 mg/g at screening visit (mean value from 3 morning void samples) and documentation of albuminuria/proteinuria (quantitative or semi-quantitative measurement) in the participant's medical records at least 3 months prior to screening * Participant with type 2 diabetes (T2D) as defined by the American Diabetes Association (ADA 2021), with glycated hemoglobin (HbA1c) at screening \<11%. * Participant treated with the clinically maximum tolerated dose, as per investigator judgment, of angiotensin-converting enzyme inhibitor (ACEi) or angiotensin receptor blocker (ARB), but not both, for more than 1 month at screening visit.

Exclusion criteria

* Participants with type 1 diabetes (T1D). * Participant with hepatic insufficiency classified as Child-Pugh C. * Participant with blood pressure at Day 1 visit (Visit 2) higher than 160 systolic blood pressure (SBP) or 100 diastolic blood pressure (DBP) or SBP lower than 90 mmHg. * Participant currently treated with a sodium/glucose cotransporter-2 inhibitor (SGLT2i) or SGLT-1/2i or who received a SGLT2i or SGLT-1/2i which cannot be discontinued at least 8 weeks prior to the screening visit and during study intervention treatment. * Participant treated with another mineralocorticoid receptor antagonist (MRA) (e.g., eplerenone, esaxerenone, spironolactone, canrenone), a renin inhibitor, potassium supplements, a potassium sparing diuretic (e.g., amiloride, triamterene), a potassium binder agent, or angiotensin receptor-neprilysin inhibitor (ARNI) which cannot be discontinued at least 8 weeks prior to the screening visit and during study intervention treatment. * Participants currently treated or who were treated with Finerenone (Kerendia©) within 8 weeks prior to the screening visit. * Participant with serum/plasma potassium (K+) above 4.8 mmol/L at screening visit (central laboratory value).

Design outcomes

Primary

MeasureTime frameDescription
Least Squares Mean Ratio of Urinary Albumin-to-Creatinine Ratio (UACR) at Day 180 Relative to Baseline in the Combination Therapy Group Versus Empagliflozin AloneBaseline and Day 180Least squares mean ratio of urinary albumin-to-creatinine ratio (UACR) at Day 180 relative to baseline, estimated using a mixed model for repeated measures. The treatment effect is expressed as the ratio of LS means for the combination therapy group compared with empagliflozin alone. A ratio below 1 indicates a reduction in UACR relative to baseline. UACR is a marker of albuminuria and a predictor of long-term renal and cardiovascular outcomes in participants with chronic kidney disease and type 2 diabetes.
Least Squares Mean Ratio of Urinary Albumin-to-Creatinine Ratio (UACR) at Day 180 Relative to Baseline in the Combination Therapy Group Versus Finerenone AloneBaseline and Day 180Least squares mean ratio of urinary albumin-to-creatinine ratio (UACR) at Day 180 relative to baseline in the combination therapy group compared with finerenone alone, estimated using a mixed model for repeated measures. A ratio below 1 indicates a reduction in UACR relative to baseline. UACR is a measurement of albuminuria and a predictor of long-term renal and cardiovascular outcomes in participants with type 2 diabetes.

Secondary

MeasureTime frameDescription
Least Squares Mean Ratio of Urinary Albumin-to-Creatinine Ratio (UACR) at Day 210 Relative to Day 180Up to 210 daysLeast squares mean ratio of urinary albumin-to-creatinine ratio (UACR) at Day 210 (30 days after stopping the treatment) relative to Day 180, estimated using a mixed model for repeated measures. A ratio above 1 indicates an increase in UACR at Day 210 compared with Day 180. UACR is a measurement of albuminuria, a predictor of long-term renal and cardiovascular outcomes in participants with type 2 diabetes.
Least Squares Mean Ratio of Urinary Albumin-to-Creatinine Ratio (UACR) at 30 Days After End of Treatment Relative to BaselineBaseline to Day 210 (30 days after End of Treatment)Least squares mean ratio of urinary albumin-to-creatinine ratio (UACR) relative to baseline, estimated using a mixed model for repeated measures. A ratio below 1 indicates a reduction in UACR relative to baseline. UACR is a marker of albuminuria and a predictor of long-term renal and cardiovascular outcomes in participants with type 2 diabetes.
Number of Participants by Relative Change in UACR Category at Day 180 (>30%, >40%, >50%)At Day 180This outcome summarizes the number of participants whose relative change from baseline in urine albumin-to-creatinine ratio (UACR) at Day 180 met prespecified category thresholds (\>30%, \>40%, or \>50%). Relative change was assessed based on baseline and post-baseline UACR measurements. Percentages were calculated using as denominator the number of participants with both a baseline and at least one post-baseline UACR assessment within the specified timeframe. Participants were classified independently within each category.
Change From Baseline in eGFR at 30 DaysAt Day 30Change from baseline to Day 30 in estimated glomerular filtration rate (eGFR) was evaluated for each treatment group. Change was calculated as the value at Day 30 minus the baseline value. Negative values indicate a decrease from baseline and positive values indicate an increase from baseline.
Number of Participants With an eGFR Decline Greater Than 30% at 30 Days From BaselineUp to 30 days
Change in eGFR at 180 Days and 210 Days From Day 30At Day 180 and Day 210Change in estimated glomerular filtration rate (eGFR) from Day 30 to Day 180 and Day 210 was evaluated for each treatment group. Change was calculated as the value at Day 180 or Day 210 minus the value at Day 30. Positive values indicate an increase from Day 30 and negative values indicate a decrease from Day 30.
Number of Participants With AKI EventsUp to 180 daysAKI is defined as any of the following: * An increase in serum creatinine by greater than or equal to 0.3 mg/dL within 48 hours; or * An increase in serum creatinine by greater than or equal to 1.5 times baseline, which is known or presumed to have occurred within the prior 7 days; or * A urine volume less than 0.5 ml/kg/h for 6 hours Total number of AKI events Up to 180 days
Total Number of AKI EventsUp to 180 daysAKI is defined as any of the following: * An increase in serum creatinine by greater than or equal to 0.3 mg/dL within 48 hours; or * An increase in serum creatinine by greater than or equal to 1.5 times baseline, which is known or presumed to have occurred within the prior 7 days; or * A urine volume less than 0.5 ml/kg/h for 6 hours Total number of AKI events Up to 180 days
Number of Participants With Hyperkalemia Events (Moderate Hyperkalemia [5.5 <K+ ≤6.0 mmol/L], Severe Hyperkalemia [K+ >6.0 mmol/L])Up to 180 daysModerate hyperkalemia was defined as K+ \>5.5 to ≤6.0 mmol/L and severe hyperkalemia was defined as K+ \>6.0 mmol/L).
Change From Baseline in K+At baseline, day 14 and day 180Serum potassium values (mmol/L) were assessed at baseline and scheduled post-baseline visits. Results are presented as observed mean potassium concentrations at each time point.
Number of Participants With Symptomatic Hypotension EventsUp to 180 daysNumber of participants who experienced at least one symptomatic hypotension event during the study period
Total Number of Symptomatic Hypotension EventsUp to 180 daysSymptomatic hypotension events were assessed at all study visits and were documented as adverse events. The outcome represents the total number of symptomatic hypotension events reported during the study period.
Number of Participants With Genital Mycotic EventsUp to 180 daysThe outcome represents the number of participants who experienced at least one genital mycotic event during the study period.
Total Number of Genital Mycotic EventsUp to 180 daysOccurrence of urinary tract infection events were assessed at all study visits and documented as AEs.
Number of Participants With Urosepsis and Pyelonephritis EventsUp to 180 days
Total Number of Urosepsis and Pyelonephritis EventsUp to 180 daysOccurrence of urosepsis and pyelonephritis events were assessed at all study visits and documented as AEs.
Number of Participants With Ketoacidosis EventsUp to 180 days
Total Number of Ketoacidosis EventsUp to 180 daysOccurrence of ketoacidosis events were assessed at all study visits and documented as AEs.
Number of Participants With Necrotizing Fasciitis of the Perineum EventsUp to 180 days
Number of Participants With Severe Hypoglycemia EventsUp to 180 daysSevere hypoglycemia was defined as glucose level of \<3.0 mmol/L (\<54 mg/dL) is sufficiently low to indicate serious, clinically important hypoglycemia. In addition, severe hypoglycemia, as defined by the ADA denotes severe cognitive impairment requiring external assistance for recovery.

Countries

Belgium, Canada, Denmark, France, Germany, India, Israel, Italy, Japan, Netherlands, South Korea, Spain, Taiwan, United States

Participant flow

Recruitment details

A total of 1664 participants were screened and signed the informed consent form for the study. 846 participants were screen failures and did not complete screening. The study was conducted at 163 centers in 14 countries/regions across Asia, Europe and North America from 23 Jun 2022 (First Patient First Visit) to 17 Mar 2025 (Last Patient Last Visit).

Pre-assignment details

Overall, 818 participants were randomized. Of these, 14 participants were prospectively excluded from the analyses because of Good Clinical Practice (GCP) violations, 4 participants were excluded from the FAS (Full Analysis Set) because they were mis-randomized and did not take at least one dose of treatment. FAS and SAF (Safety Analysis Set) differed by only 2 participants who never received any study intervention.

Baseline characteristics

Characteristic
Age, Continuous66.5 years
STANDARD_DEVIATION 10.3
Ethnicity (NIH/OMB)
Hispanic or Latino
28 Participants
Ethnicity (NIH/OMB)
Not Hispanic or Latino
235 Participants
Ethnicity (NIH/OMB)
Unknown or Not Reported
5 Participants
Race (NIH/OMB)
American Indian or Alaska Native
4 Participants
Race (NIH/OMB)
Asian
125 Participants
Race (NIH/OMB)
Black or African American
21 Participants
Race (NIH/OMB)
More than one race
0 Participants
Race (NIH/OMB)
Native Hawaiian or Other Pacific Islander
1 Participants
Race (NIH/OMB)
Unknown or Not Reported
1 Participants
Race (NIH/OMB)
White
351 Participants
Sex: Female, Male
Female
198 Participants
Sex: Female, Male
Male
202 Participants

Adverse events

Event typeEG000
affected / at risk
EG001
affected / at risk
EG002
affected / at risk
EG003
affected / at risk
deaths
Total, all-cause mortality
3 / 2680 / 2643 / 2660 / 2
other
Total, other adverse events
141 / 268136 / 264129 / 2660 / 2
serious
Total, serious adverse events
19 / 26816 / 26417 / 2660 / 2

Outcome results

None listed

Source: ClinicalTrials.gov · Data processed: Jul 14, 2026