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Mineralocorticoid Receptor Antagonists and Empagliflozin in Patients With Heart Failure and Preserved Ejection Fraction

Abstract : Background: Mineralocorticoid receptor antagonists (MRAs) may be beneficial in reducing heart failure (HF) hospitalizations in patients with HF with preserved ejection fraction. The effect of sodium-glucose cotransporter 2 inhibitors in patients with HF with preserved ejection fraction according to MRA background therapy has not been reported. Objectives: The aim of this study was to examine the effect of empagliflozin in MRA users and nonusers in the EMPEROR-Preserved (Empagliflozin Outcome Trial in Patients With Chronic Heart Failure With Preserved Ejection Fraction) trial. Methods: Survival analyses were conducted comparing the effects of empagliflozin vs placebo in MRA users and nonusers at baseline with treatment-by-MRA use interaction terms. Results: A total of 5,988 patients were included, of whom 2,244 (37.5%) were using MRAs at baseline. MRA users had higher event rates than MRA nonusers (placebo group primary outcome 9.4 vs 8.2 events per 100 person-years). The benefit of empagliflozin to reduce the primary outcome was not significantly different between MRA nonusers and MRA users (HR: 0.73 [95% CI: 0.62-0.87] and HR: 0.87 [95% CI: 0.71-1.06]; interaction P = 0.22). The effect of empagliflozin to reduce first and recurrent HF hospitalizations was more pronounced in MRA nonusers than in MRA users (HR: 0.60 [95% CI: 0.47-0.77] and HR: 0.90 [95% CI: 0.68-1.19]; interaction P = 0.038). MRA users experienced almost twice as many hyperkalemia events as MRA nonusers, and empagliflozin reduced the risk for hyperkalemia or initiation of potassium binders regardless of MRA use (MRA nonusers: HR: 0.90 [95% CI: 0.69-1.19]; MRA users: HR: 0.74 [95% CI: 0.56-0.96]; interaction P = 0.29). Conclusions: The benefit of empagliflozin to reduce the primary outcome was not significantly different between MRA nonusers and MRA users. The effect of empagliflozin to reduce first and recurrent HF hospitalizations was more pronounced in MRA nonusers. Empagliflozin reduced hyperkalemia, with no significant treatment-by-MRA subgroup interaction
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https://hal.univ-lorraine.fr/hal-03620257
Contributor : Erwan Bozec Connect in order to contact the contributor
Submitted on : Friday, March 25, 2022 - 4:34:26 PM
Last modification on : Friday, April 22, 2022 - 11:42:06 AM

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João Pedro Ferreira, Javed Butler, Faiez Zannad, Gerasimos Filippatos, Elke Schueler, et al.. Mineralocorticoid Receptor Antagonists and Empagliflozin in Patients With Heart Failure and Preserved Ejection Fraction. Journal of the American College of Cardiology, Elsevier, 2022, 79 (12), pp.1129-1137. ⟨10.1016/j.jacc.2022.01.029⟩. ⟨hal-03620257⟩

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