Impact of Simultaneous Initiation of Finerenone and Empagliflozin on Albuminuria Irrespective of Baseline HbA1c Levels: A Participant-Level Exploratory Analysis of the Randomised CONFIDENCE Trial
Abstract
Aims: This prespecified analysis evaluated whether the safety and efficacy of finerenone and a sodium-glucose cotransporter 2 inhibitor (SGLT2i) combination vary by baseline glycated haemoglobin (HbA1c).
Materials and methods: Adults with type 2 diabetes and a urinary albumin-to-creatinine ratio (UACR) of 100 - 2 and HbA1c < 11% (< 97 mmol/mol) were randomised (1:1:1) to once-daily finerenone, empagliflozin or combination. Primary outcome was UACR change from baseline at Day 180.
Results: Baseline HbA1c was available for 781/800 CONFIDENCE participants; baseline HbA1c and eGFR mean values (standard deviation) were 7.3% (1.2%) and 54.2 mL/min/1.73 m2 (17.1 mL/min/1.73 m2). At Day 180, HbA1c decreased with combination therapy and empagliflozin (both least-squares mean change -0.1% [95% confidence interval -0.2, -0.0]), with no change with finerenone. In total, 212, 190, 188 and 191 participants were included in HbA1c Quartiles 1 (HbA1c ≤ 6.4% [≤ 46 mmol/mol]), 2 (HbA1c > 6.4 and ≤ 7.1% [> 46 and ≤ 54 mmol/mol]), 3 (HbA1c > 7.1 and ≤ 7.9% [> 54 and ≤ 63 mmol/mol]) and 4 (HbA1c > 7.9% [> 63 mmol/mol]), respectively. Change from baseline in HbA1c at Day 180 was greatest in Quartile 4. At Day 180, combination therapy reduced UACR from baseline in all HbA1c quartiles to a greater extent than either monotherapy (mean [95% CI] -53% [-63, -42], -47% [-57, -34], -63% [-70, -54] and -55% [-65, -42], in Quartiles 1-4, respectively).
Conclusion: Simultaneous initiation with finerenone and…
How strong is the evidence?
Evidence Hub reads this as a secondary / pooled analysis, done in people. Its evidence level is 3 of 5 (Moderate · trial / cohort / secondary analysis). Trials without a large randomized design, cohorts and secondary analyses give moderate evidence. Reported size: 800 participants or records.
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