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N Engl J Med. 2018 Nov 11. doi: 10.1056/NEJMoa1812851. [Epub ahead of print]

Angiotensin-Neprilysin Inhibition in Acute Decompensated Heart Failure.

Author information

1
From the Section of Cardiovascular Medicine, Department of Internal Medicine, Yale University School of Medicine, New Haven, CT (E.J.V.); the Thrombolysis in Myocardial Infarction Study Group, Cardiovascular Division, Department of Medicine, Brigham and Women's Hospital, Harvard Medical School, Boston (D.A.M., E.B.); Duke Clinical Research Institute, Duke University, Durham, NC (A.D.D.); Novartis Pharmaceuticals, East Hanover, NJ (C.I.D., K.M., R.R.); and the Division of Cardiology, Permanente Medical Group, San Francisco, and the Division of Research, Kaiser Permanente Northern California, Oakland - both in California (A.P.A.).

Abstract

BACKGROUND:

Acute decompensated heart failure accounts for more than 1 million hospitalizations in the United States annually. Whether the initiation of sacubitril-valsartan therapy is safe and effective among patients who are hospitalized for acute decompensated heart failure is unknown.

METHODS:

We enrolled patients with heart failure with reduced ejection fraction who were hospitalized for acute decompensated heart failure at 129 sites in the United States. After hemodynamic stabilization, patients were randomly assigned to receive sacubitril-valsartan (target dose, 97 mg of sacubitril with 103 mg of valsartan twice daily) or enalapril (target dose, 10 mg twice daily). The primary efficacy outcome was the time-averaged proportional change in the N-terminal pro-B-type natriuretic peptide (NT-proBNP) concentration from baseline through weeks 4 and 8. Key safety outcomes were the rates of worsening renal function, hyperkalemia, symptomatic hypotension, and angioedema.

RESULTS:

Of the 881 patients who underwent randomization, 440 were assigned to receive sacubitril-valsartan and 441 to receive enalapril. The time-averaged reduction in the NT-proBNP concentration was significantly greater in the sacubitril-valsartan group than in the enalapril group; the ratio of the geometric mean of values obtained at weeks 4 and 8 to the baseline value was 0.53 in the sacubitril-valsartan group as compared with 0.75 in the enalapril group (percent change, -46.7% vs. -25.3%; ratio of change with sacubitril-valsartan vs. enalapril, 0.71; 95% confidence interval [CI], 0.63 to 0.81; P<0.001). The greater reduction in the NT-proBNP concentration with sacubitril-valsartan than with enalapril was evident as early as week 1 (ratio of change, 0.76; 95% CI, 0.69 to 0.85). The rates of worsening renal function, hyperkalemia, symptomatic hypotension, and angioedema did not differ significantly between the two groups.

CONCLUSIONS:

Among patients with heart failure with reduced ejection fraction who were hospitalized for acute decompensated heart failure, the initiation of sacubitril-valsartan therapy led to a greater reduction in the NT-proBNP concentration than enalapril therapy. Rates of worsening renal function, hyperkalemia, symptomatic hypotension, and angioedema did not differ significantly between the two groups. (Funded by Novartis; PIONEER-HF ClinicalTrials.gov number, NCT02554890 .).

PMID:
30415601
DOI:
10.1056/NEJMoa1812851
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