Abstract
Mineralocorticoid receptor antagonists (MRAs) are a cornerstone drug class for heart failure therapy. Several clinical studies have demonstrated its role in heart failure therapy. However, due to the recommendation of sodium-glucose cotransporter-2 (SGLT-2) inhibitors for the treatment of heart failure, there is a lack of sufficient evidence regarding whether MRAs can continue to play a cornerstone role in heart failure treatment. A meta-analysis was performed on subgroups of the DAPA-HF and EMPEROR-Reduced trials. Using trial-level data, we performed a meta-analysis to assess the effects of SGLT-2 inhibitors and MRAs on various clinical endpoints of heart failure. The incidence of cardiovascular-related death or heart failure hospitalization was the primary outcome. In addition, we assessed cardiovascular death, all-cause death, heart failure hospitalization, renal outcomes, and hyperkalemia. This study has already been registered with PROSPERO, CRD42022385023. Compared with SGLT-2 inhibitor monotherapy, combined treatment did not demonstrate more significant advantages in terms of heart failure or cardiovascular death (RR = 1.00; 95% CI: 0.78–1.28), cardiovascular death (RR = 0.96; 95% CI: 0.61–1.52), heart failure hospitalization (RR = 0.92; 95% CI: 0.79–1.07), all-cause death (RR = 1.00; 95% CI: 0.63–1.59) and composite kidney endpoint (RR = 0.85; 95% CI: 0.49–1.46). Moreover, in comparison to SGLT-2 inhibitors, combined therapy increased the risk of moderate-severe hyperkalemia (blood potassium > 6.0 mmol/l) (RR = 4.13; 95% CI: 2.23–7.65). In patients with HFrEF who have started MRAs treatment, the addition of an SGLT-2 inhibitor provides significant clinical benefit. However, the addition of MRAs to SGLT-2 inhibitors to treat heart failure is not essential.
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Abbreviations
- eGFR:
-
Estimated glomerular filtration rate
- RR:
-
Rate ratio
- CI:
-
Confidence interval
- SGLT-2:
-
Sodium-glucose co-transporter-2
- MRA:
-
Mineralocorticoid Receptor Antagonists
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This study was supported by the Natural Science Foundation of China (no. 81700321).
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XG and JZ has participated in study design, literature search, data collection, data analysis/interpretation, and drafting of the manuscript. GC, GZ and SC participated in content guidance and critical revision of the paper for important intellectual content. ZN, WL and TG participated in literature search and revision. YZ and BL supervised the work and revised the article critically. All authors have read and approved the submission of the manuscript, which has not been published and is not being considered for publication elsewhere in whole or part in any language.
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Guan, X., Zhang, J., Chen, G. et al. MRAs may have lost their cornerstone position for heart failure treatment in the age of SGLT-2 inhibitors: A meta-analysis of randomized controlled trials. Heart Fail Rev 28, 1427–1436 (2023). https://doi.org/10.1007/s10741-023-10330-5
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DOI: https://doi.org/10.1007/s10741-023-10330-5