Why the study?
Sacubitril/valsartan attenuates renal function decline in patients with diabetes and HFrEF, but whether this also occurs in HFpEF was unknown.
Does sacubitril/valsartan reduce eGFR decline and renal events compared to valsartan in patients with HFpEF with and without diabetes?
Does sacubitril/valsartan reduce eGFR decline and renal events compared to valsartan in patients with HFpEF with and without diabetes?
Sacubitril/valsartan attenuates eGFR decline and reduces clinically relevant kidney events compared to valsartan in patients with HFpEF, regardless of baseline diabetes status.
Answers are grounded in this paper and cite their sources.
Sacubitril/valsartan attenuates eGFR decline similarly in HFpEF with or without diabetes; extends HFrEF observations but leaves practice change open.
Aims Diabetes is associated with a faster rate of renal function decline in patients with heart failure (HF). Sacubitril/valsartan attenuates the deterioration of renal function to a greater extent in patients with diabetes and HF with reduced ejection fraction compared with renin–angiotensin system inhibitors alone. We assessed whether the same may be true in HF with preserved ejection fraction (HFpEF). Methods and results In the PARAGON‐HF trial in patients with HF and left ventricular ejection fraction of ≥45% ( n = 4796), we characterized the effects of sacubitril/valsartan on changes in estimated glomerular filtration rate (eGFR) over a period of 192 weeks, and on the pre‐specified renal composite outcome (eGFR reduction of ≥50%, end‐stage renal disease, or death attributable to renal causes) in patients with ( n = 2388) and without diabetes ( n = 2408). The decline in eGFR was greater in patients with diabetes than in those without (−2.6 vs. −1.7 ml/min/1.73 m 2 per year, p < 0.001), regardless of treatment assignment. Sacubitril/valsartan attenuated decline in eGFR similarly in patients with (−2.2 vs. −2.9 ml/min/1.73 m 2 per year, p = 0.001) and without diabetes (−1.5 vs. −2.0 ml/min/1.73 m 2 per year, p = 0.006) ( p interaction for difference in eGFR slopes = 0.40). Compared with valsartan, sacubitril/valsartan reduced the renal composite outcome similarly in patients without diabetes (hazard ratio [HR] 0.42, 95% confidence interval [CI] 0.19–0.91) and those with diabetes (HR 0.54, 95% CI 0.33–0.89; p interaction = 0.59), as well as across a range of baseline glycated haemoglobin ( p interaction = 0.71). Conclusion Sacubitril/valsartan, compared with valsartan, attenuates the decline of eGFR and reduces clinically relevant kidney events similarly among patients with HFpEF with and without diabetes.
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Peikert et al. (2022) studied this question.
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