NR3C2 and hydrops fetalis: Finerenone, a novel non-steroidal mineralocorticoid receptor antagonist (MRA), has demonstrated cardiovascular and renal benefits in patients with diabetes mellitus (DM) and chronic kidney disease (CKD), as well as reduced HF events, in patients with HF with preserved or mildly reduced ejection fraction (HFpEF/HFmrEF).