Life-Saving Drug or Potential Threat? The Role of Mineralocorticoid Receptor Antagonists in Myocardial Infarction: A Meta-Analysis

Endocr PractPublished Systematic review and meta-analysis of randomised trials

Pooled result · Death from any causeResult — go to the resultRelative risk 0.87 95% CI 0.79–0.95

Authors' conclusion

MRAs improve cardiovascular outcomes in MI patients, especially in those with heart failure.

Study context

Population
Post-MI patients; RCTs from Web of Science, PubMed, Embase and Cochrane Library
Participants
17,851 patients13 RCTs
Comparison
Mineralocorticoid receptor antagonists (MRAs) vs control
Outcome
Death from any cause
Methodological detailssubgroup analyses by heart failure and MRA type
  • Subgroup analyses by heart failure and MRA type

Pooled result

As reported in the abstract

Relative risk

0.87

95% CI 0.79–0.95

P = 0.004

MRAsvs Control
RR 0.87 (95% CI 0.79–0.95); P = 0.004

Further pooled results

OutcomeRR (95% CI)
Death from CV causes, HF subgroup0.87 (0.78–0.97)
Death from CV causes, no-HF subgroupNo significant effect0.69 (0.34–1.38)

Subgroups by MRA drug

Subgroup analysis by different MRA drugs showed varying effects on outcomes

Safety

Hyperkalemia

Hyperkalemia significantly more frequent (RR 1.95; 95% CI 1.55-2.46; P < .01)

Other safety events (hypokalemia, breast tenderness, gynecomastia)

Other safety events did not show significant differences

Original publication

Life-Saving Drug or Potential Threat? The Role of Mineralocorticoid Receptor Antagonists in Myocardial Infarction: A Meta-Analysis. Endocr Pract. Published 8 May 2025. doi:10.1016/j.eprac.2025.05.001

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