Key result
Sacubitril/valsartan linked to ~19% fewer all-cause hospitalizations vs ACEi/ARB in de novo HFrEF.
Why the study?
Large-scale, real-world data on early initiation of sacubitril/valsartan in patients newly diagnosed with HFrEF are limited.
Does sacubitril/valsartan reduce all-cause hospitalizations compared to ACEi/ARB in adult patients with de novo HFrEF?
Cohort (n=9,870)
Yes
Does sacubitril/valsartan reduce all-cause hospitalizations compared to ACEi/ARB in adult patients with de novo HFrEF?
Effect estimate: IRR 0.81 (95% CI 0.75-0.89)
p-value: p=<0.001
In a real-world setting, early initiation of sacubitril/valsartan in patients with de novo HFrEF is associated with significantly lower rates of all-cause, cardiovascular, and heart failure hospitalizations compared to ACEi/ARB therapy.
AIMS: Large-scale, real-world data on early initiation of sacubitril/valsartan in patients newly diagnosed (de novo) with HF with reduced ejection fraction (HFrEF) are limited. We examined the effectiveness of sacubitril/valsartan versus angiotensin-converting enzyme inhibitor (ACEi)/angiotensin receptor blocker (ARB) on all-cause and cause-specific hospitalizations among patients with de novo HFrEF from the Optum® dataset in the United States. METHODS: This retrospective cohort study included adult patients with de novo HFrEF (diagnosed ≤30 days) with left ventricular ejection fraction (LVEF) ≤40% who were first prescribed with sacubitril/valsartan or ACEi/ARB from 1 January 2016 to 31 March 2020. The primary endpoint (all-cause hospitalization) and secondary endpoints were analysed in propensity score-matched cohorts. RESULTS: A cohort of 3290 patients with de novo HFrEF who were prescribed with sacubitril/valsartan and a propensity-matched cohort of 6580 patients who were prescribed with ACEi/ARB were analysed. Overall, the mean (SD) age of patients was 63 (14) years, 34% were women, and baseline characteristics were balanced across treatment groups. Hypertension (67%), diabetes (33%) and chronic kidney disease (28%) were highly prevalent comorbidities. Patients in the sacubitril/valsartan cohort when compared with the ACEi/ARB cohort had lower annual rates of all-cause hospitalizations [incidence rate ratio (IRR): 0.81, 95% confidence interval (CI): 0.75-0.89, P < 0.001], cardiovascular (CV) hospitalizations (IRR: 0.80, 95% CI: 0.73-0.87, P < 0.001) and HF hospitalizations (IRR: 0.86, 95% CI: 0.78-0.95, P = 0.002). CONCLUSIONS: Among patients with de novo HFrEF, sacubitril/valsartan (compared with that of ACEi/ARB) was associated with fewer all-cause, CV and HF hospitalizations. These findings are consistent with clinical trial evidence suggesting potential benefits of early initiation of sacubitril/valsartan in patients with HFrEF, including those soon after diagnosis.
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Bhatt et al. (2025) conducted a cohort in de novo heart failure with reduced ejection fraction (HFrEF) (n=9,870). sacubitril/valsartan vs. ACEi/ARB was evaluated on all-cause hospitalization (IRR 0.81, 95% CI 0.75-0.89, p=<0.001). Sacubitril/valsartan was associated with lower annual rates of all-cause hospitalizations compared with ACEi/ARB in patients with de novo HFrEF (IRR 0.81; 95% CI 0.75-0.89; P<0.001).
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