What is the role of mineralocorticoid receptor antagonists (MRAs) in the treatment of proteinuria?

Updated: Mar 25, 2020
  • Author: Beje Thomas, MD; Chief Editor: Vecihi Batuman, MD, FASN  more...
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Answer

When treatment with an ACE inhibitor or ARB does not adequately control proteinuria in a patient with chronic kidney disease (eg, diabetic nephropathy), a further reduction in proteinuria can be achieved by adding a mineralocorticoid receptor antagonist (MRA) such as eplerenone or spironolactone. However, MRA is associated with a three- to eightfold increased risk for hyperkalemia. In a phase 2 trial of finerenone, a nonsteroidal MRA, this new agent reduced proteinuria while producing lower rates of hyperkalemia than have been seen with other MRAs. [41]


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