Heart failure & cardiomyopathies

Effects of Sacubitril/Valsartan on All-Cause Hospitalizations in Heart Failure: Post Hoc Analysis of the PARADIGM-HF and PARAGON-HF Randomized Clinical Trials

JAMA CardiolPublished Post hoc pooled participant-level analysis of the PARADIGM-HF and PARAGON-HF randomised trials

Primary result · All-cause hospitalizationResult — go to the resultHazard ratio 0.92 95% CI 0.88–0.97

Authors' conclusion

In this post hoc pooled analysis of 13 194 patients with chronic HF in the PARADIGM-HF and PARAGON-HF randomized clinical trials, sacubitril/valsartan significantly reduced hospitalization for any reason, with benefits most apparent in patients with an LVEF below normal. This reduction appeared to be principally driven by lower rates of cardiac and pulmonary hospitalizations.

Study context

Population
Chronic heart failure (HF), NYHA class II–IV, elevated natriuretic peptides, across the left ventricular ejection fraction (LVEF) spectrum (PARADIGM-HF LVEF ≤40%; PARAGON-HF LVEF ≥45%)
Participants
13,194 participants
Comparison
Sacubitril/valsartan vs renin-angiotensin system inhibitor (RASi)
Primary endpoint
Time to first investigator-reported all-cause hospitalization
Follow-up
Median 2.5 (IQR 1.8-3.1) years
Methodological detailsAnalysis conducted February 5, 2024, to April 5, 2024; Cox models stratified by geographic region and trial
  • Analysis conducted February 5, 2024, to April 5, 2024; Cox models stratified by geographic region and trial

Primary result

All-cause hospitalization · median 2.5 years

Hazard ratio

0.92

95% CI 0.88–0.97

P = 0.002

By group

Sacubitril/valsartan vs RASi
HR 0.92 (95% CI 0.88–0.97); P = 0.002

As reported in the abstract

Absolute risk reduction (ARR)
2.1 per 100 patient-years
NNT (patient-years of treatment to prevent 1 all-cause hospitalization (ACH))
48

Further findings

ACH by LVEF (subgroup)

LVEF <60%: HR
0.91 (95% CI 0.86-0.96)
LVEF ≥60%: HR
0.97 (95% CI 0.86-1.09)
  • P for interaction = .03

Cardiac and pulmonary hospitalizations

Lower rates with sacubitril/valsartan; seemed primarily to drive ACH reduction

Composite noncardiac hospitalizations

Similar rates in the 2 treatment arms

Original publication

Effects of Sacubitril/Valsartan on All-Cause Hospitalizations in Heart Failure: Post Hoc Analysis of the PARADIGM-HF and PARAGON-HF Randomized Clinical Trials. JAMA Cardiol. Published 1 November 2024. doi:10.1001/jamacardio.2024.2566

Summarised from the published abstract; every number is checked against it

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