Andrew P Ambrosy1, Eugene Braunwald2, David A Morrow2, Adam D DeVore3, Kevin McCague4, Xiangyi Meng4, Carol I Duffy4, Ricardo Rocha4, Eric J Velazquez5. 1. Department of Cardiology, Kaiser Permanente San Francisco Medical Center, San Francisco, California; Division of Research, Kaiser Permanente Northern California, Oakland, California. Electronic address: andrew.p.ambrosy@kp.org. 2. TIMI Study Group, Cardiovascular Division, Brigham and Women's Hospital, Department of Medicine, Harvard Medical School, Boston, Massachusetts. 3. Division of Cardiology, Duke University Medical Center, Durham, North Carolina; Duke Clinical Research Institute, Duke University School of Medicine, Durham, North Carolina. 4. Novartis Pharmaceuticals Corporation, East Hanover, New Jersey. 5. Section of Cardiovascular Medicine, Yale School of Medicine, New Haven, Connecticut.
Abstract
BACKGROUND: The PIONEER-HF (comParIson Of sacubitril/valsartaN versus Enalapril on Effect on nt-pRo-bnp in patients stabilized from an acute Heart Failure episode) trial demonstrated the efficacy and safety of sacubitril/valsartan (S/V) in stabilized patients with acute decompensated heart failure (HF) and reduced ejection fraction. OBJECTIVES: The study sought to determine whether and how prior HF history and treatment with an angiotensin-converting enzyme (ACE) inhibitor or angiotensin receptor blocker (ARB) affected the results. METHODS: The PIONEER-HF trial was a prospective, multicenter, double-blind, randomized clinical trial enrolling 881 patients with an ejection fraction ≤40%. Patients were randomly assigned 1:1 to in-hospital initiation of S/V (n = 440) versus enalapril (n = 441). Pre-specified subgroup analyses were performed based on prior HF history (i.e., de novo HF vs. worsening chronic HF) and treatment with an ACE inhibitor or ARB (i.e., ACE inhibitor or ARB-yes vs. ACE inhibitor or ARB-no) at admission. RESULTS: At enrollment, 303 (34%) patients presented with de novo HF and 576 (66%) patients with worsening chronic HF. A total of 421 (48%) patients had been treated with an ACE inhibitor or ARB, while 458 (52%) had not been treated with an ACE inhibitor or ARB. N-terminal pro-B-type natriuretic peptide declined significantly in all 4 subgroups (p < 0.001), with greater decreases in the S/V versus the enalapril arm (p < 0.001). There was no interaction between prior HF history (p = 0.350) or ACE inhibitor or ARB treatment (p = 0.880) and the effect of S/V versus enalapril on cardiovascular death or rehospitalization for HF. The incidences of adverse events were comparable between S/V and enalapril across all 4 subgroups. CONCLUSIONS: Among patients admitted for acute decompensated HF, S/V was safe and well tolerated, led to a significantly greater reduction in N-terminal pro-B-type natriuretic peptide, and improved clinical outcomes compared with enalapril irrespective of previous HF history or ACE inhibitor or ARB treatment. (Comparison of Sacubitril/Valsartan Versus Enalapril on Effect of NT-proBNP in Patients Stabilized From an Acute Heart Failure Episode [PIONEER-HF]; NCT02554890).
RCT Entities:
BACKGROUND: The PIONEER-HF (comParIson Of sacubitril/valsartaN versus Enalapril on Effect on nt-pRo-bnp in patients stabilized from an acute Heart Failure episode) trial demonstrated the efficacy and safety of sacubitril/valsartan (S/V) in stabilized patients with acute decompensated heart failure (HF) and reduced ejection fraction. OBJECTIVES: The study sought to determine whether and how prior HF history and treatment with an angiotensin-converting enzyme (ACE) inhibitor or angiotensin receptor blocker (ARB) affected the results. METHODS: The PIONEER-HF trial was a prospective, multicenter, double-blind, randomized clinical trial enrolling 881 patients with an ejection fraction ≤40%. Patients were randomly assigned 1:1 to in-hospital initiation of S/V (n = 440) versus enalapril (n = 441). Pre-specified subgroup analyses were performed based on prior HF history (i.e., de novo HF vs. worsening chronic HF) and treatment with an ACEinhibitor or ARB (i.e., ACEinhibitor or ARB-yes vs. ACEinhibitor or ARB-no) at admission. RESULTS: At enrollment, 303 (34%) patients presented with de novo HF and 576 (66%) patients with worsening chronic HF. A total of 421 (48%) patients had been treated with an ACEinhibitor or ARB, while 458 (52%) had not been treated with an ACEinhibitor or ARB. N-terminal pro-B-type natriuretic peptide declined significantly in all 4 subgroups (p < 0.001), with greater decreases in the S/V versus the enalapril arm (p < 0.001). There was no interaction between prior HF history (p = 0.350) or ACEinhibitor or ARB treatment (p = 0.880) and the effect of S/V versus enalapril on cardiovascular death or rehospitalization for HF. The incidences of adverse events were comparable between S/V and enalapril across all 4 subgroups. CONCLUSIONS: Among patients admitted for acute decompensated HF, S/V was safe and well tolerated, led to a significantly greater reduction in N-terminal pro-B-type natriuretic peptide, and improved clinical outcomes compared with enalapril irrespective of previous HF history or ACEinhibitor or ARB treatment. (Comparison of Sacubitril/Valsartan Versus Enalapril on Effect of NT-proBNP in Patients Stabilized From an Acute Heart Failure Episode [PIONEER-HF]; NCT02554890).
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