Isosorbide Mononitrate in Heart Failure with Preserved Ejection Fraction.

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Abstract

Nitrates are commonly prescribed to enhance activity tolerance in patients with heart failure and a preserved ejection fraction. We compared the effect of isosorbide mononitrate or placebo on daily activity in such patients.

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Most cited references 25

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Irbesartan in patients with heart failure and preserved ejection fraction.

Barry M. Massie, Peter E. Carson, John J McMurray … (2008)

Approximately 50% of patients with heart failure have a left ventricular ejection fraction of at least 45%, but no therapies have been shown to improve the outcome of these patients. Therefore, we studied the effects of irbesartan in patients with this syndrome. We enrolled 4128 patients who were at least 60 years of age and had New York Heart Association class II, III, or IV heart failure and an ejection fraction of at least 45% and randomly assigned them to receive 300 mg of irbesartan or placebo per day. The primary composite outcome was death from any cause or hospitalization for a cardiovascular cause (heart failure, myocardial infarction, unstable angina, arrhythmia, or stroke). Secondary outcomes included death from heart failure or hospitalization for heart failure, death from any cause and from cardiovascular causes, and quality of life. During a mean follow-up of 49.5 months, the primary outcome occurred in 742 patients in the irbesartan group and 763 in the placebo group. Primary event rates in the irbesartan and placebo groups were 100.4 and 105.4 per 1000 patient-years, respectively (hazard ratio, 0.95; 95% confidence interval [CI], 0.86 to 1.05; P=0.35). Overall rates of death were 52.6 and 52.3 per 1000 patient-years, respectively (hazard ratio, 1.00; 95% CI, 0.88 to 1.14; P=0.98). Rates of hospitalization for cardiovascular causes that contributed to the primary outcome were 70.6 and 74.3 per 1000 patient-years, respectively (hazard ratio, 0.95; 95% CI, 0.85 to 1.08; P=0.44). There were no significant differences in the other prespecified outcomes. Irbesartan did not improve the outcomes of patients with heart failure and a preserved left ventricular ejection fraction. (ClinicalTrials.gov number, NCT00095238.) 2008 Massachusetts Medical Society

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Effect of phosphodiesterase-5 inhibition on exercise capacity and clinical status in heart failure with preserved ejection fraction: a randomized clinical trial.

Margaret M. Redfield, Horng Chen, Barry Borlaug … (2013)

Studies in experimental and human heart failure suggest that phosphodiesterase-5 inhibitors may enhance cardiovascular function and thus exercise capacity in heart failure with preserved ejection fraction (HFPEF). To determine the effect of the phosphodiesterase-5 inhibitor sildenafil compared with placebo on exercise capacity and clinical status in HFPEF. Multicenter, double-blind, placebo-controlled, parallel-group, randomized clinical trial of 216 stable outpatients with HF, ejection fraction ≥50%, elevated N-terminal brain-type natriuretic peptide or elevated invasively measured filling pressures, and reduced exercise capacity. Participants were randomized from October 2008 through February 2012 at 26 centers in North America. Follow-up was through August 30, 2012. Sildenafil (n = 113) or placebo (n = 103) administered orally at 20 mg, 3 times daily for 12 weeks, followed by 60 mg, 3 times daily for 12 weeks. Primary end point was change in peak oxygen consumption after 24 weeks of therapy. Secondary end points included change in 6-minute walk distance and a hierarchical composite clinical status score (range, 1-n, a higher value indicates better status; expected value with no treatment effect, 95) based on time to death, time to cardiovascular or cardiorenal hospitalization, and change in quality of life for participants without cardiovascular or cardiorenal hospitalization at 24 weeks. Median age was 69 years, and 48% of patients were women. At baseline, median peak oxygen consumption (11.7 mL/kg/min) and 6-minute walk distance (308 m) were reduced. The median E/e' (16), left atrial volume index (44 mL/m2), and pulmonary artery systolic pressure (41 mm Hg) were consistent with chronically elevated left ventricular filling pressures. At 24 weeks, median (IQR) changes in peak oxygen consumption (mL/kg/min) in patients who received placebo (-0.20 [IQR, -0.70 to 1.00]) or sildenafil (-0.20 [IQR, -1.70 to 1.11]) were not significantly different (P = .90) in analyses in which patients with missing week-24 data were excluded, and in sensitivity analysis based on intention to treat with multiple imputation for missing values (mean between-group difference, 0.01 mL/kg/min, [95% CI, -0.60 to 0.61]). The mean clinical status rank score was not significantly different at 24 weeks between placebo (95.8) and sildenafil (94.2) (P = .85). Changes in 6-minute walk distance at 24 weeks in patients who received placebo (15.0 m [IQR, -26.0 to 45.0]) or sildenafil (5.0 m [IQR, -37.0 to 55.0]; P = .92) were also not significantly different. Adverse events occurred in 78 placebo patients (76%) and 90 sildenafil patients (80%). Serious adverse events occurred in 16 placebo patients (16%) and 25 sildenafil patients (22%). Among patients with HFPEF, phosphodiesterase-5 inhibition with administration of sildenafil for 24 weeks, compared with placebo, did not result in significant improvement in exercise capacity or clinical status. clinicaltrials.gov Identifier: NCT00763867.

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The perindopril in elderly people with chronic heart failure (PEP-CHF) study.

John Cleland, Michal Tendera, Jerzy Adamus … (2006)

Many patients who receive a diagnosis of heart failure have neither a low left ventricular (LV) ejection fraction nor valve disease. Few substantial randomized controlled trials have been conducted in this population, none has focussed on patients with evidence of diastolic dysfunction and none has shown clear benefit on symptoms, morbidity, or mortality. This was a randomized double-blind trial, comparing placebo with perindopril, 4 mg/day in patients aged > or =70 years with a diagnosis of heart failure, treated with diuretics and an echocardiogram suggesting diastolic dysfunction and excluding substantial LV systolic dysfunction or valve disease. The primary endpoint was a composite of all-cause mortality and unplanned heart failure related hospitalization with a minimum follow-up of 1 year. A total of 850 patients were randomized. Their mean age was 76 (SD 5) years and 55% were women. Median follow-up was 2.1 (IQR 1.5-2.8) years. Enrollment and event rates were lower than anticipated, reducing the power of the study to show a difference in the primary endpoint to 35%. Many patients withdrew from perindopril (28%) and placebo (26%) after 1 year and started taking open-label ACE-inhibitors. Overall, 107 patients assigned to placebo and 100 assigned to perindopril reached the primary endpoint (HR 0.919: 95% CI 0.700-1.208; P = 0.545). By 1 year, reductions in the primary outcome (HR 0.692: 95% CI 0.474-1.010; P = 0.055) and hospitalization for heart failure (HR 0.628: 95% CI 0.408-0.966; P = 0.033) were observed and functional class (P < 0.030) and 6-min corridor walk distance (P = 0.011) had improved in those assigned to perindopril. Uncertainty remains about the effects of perindopril on long-term morbidity and mortality in this clinical setting since this study had insufficient power for its primary endpoint. However, improved symptoms and exercise capacity and fewer hospitalizations for heart failure in the first year were observed on perindopril, during which most patients were on assigned therapy, suggesting that it may be of benefit in this patient population.

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Author and article information

Journal

Journal ID (iso-abbrev): N. Engl. J. Med.

Title: The New England journal of medicine

Publisher: New England Journal of Medicine (NEJM/MMS)

ISSN (Electronic): 1533-4406

ISSN (Print): 0028-4793

Publication date (Electronic): Dec 10 2015

Volume: 373

Issue: 24

Affiliations

[1 ] From the Mayo Clinic, Rochester, MN (M.M.R., B.A.B., H.H.C.); Duke Clinical Research Institute (K.J.A., S.E.M., E.J.V.) and Duke University Medical Center (G.M.F.) - both in Durham, NC; Mayo Clinic, Scottsdale, AZ (J.A.L., G.A.K.); University of Vermont Medical Center, Burlington (M.M.L.); Washington University School of Medicine, St. Louis (S.M.J.); Northwestern University, Chicago (S.J.S.); Massachusetts General Hospital (M.J.S.) and Harvard Medical School (E.B.) - both in Boston; Emory University, Atlanta (R.T.C.); Thomas Jefferson University, Philadelphia (G.R.R.); Johns Hopkins University School of Medicine, Baltimore (R.J.T.), and the National Heart, Lung, and Blood Institute, Bethesda (M.R.S.) - both in Maryland; and the Cleveland Clinic Foundation, Cleveland (W.H.W.T.).

Article

Mid ID: NIHMS748308

DOI: 10.1056/NEJMoa1510774

PMC ID: 4712067

PubMed ID: 26549714

SO-VID: cf910637-c8c8-41ff-a1e2-270956842a6e

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Isosorbide Mononitrate in Heart Failure with Preserved Ejection Fraction.

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University of Westminster Press

Most cited references 25

Irbesartan in patients with heart failure and preserved ejection fraction.

Effect of phosphodiesterase-5 inhibition on exercise capacity and clinical status in heart failure with preserved ejection fraction: a randomized clinical trial.

The perindopril in elderly people with chronic heart failure (PEP-CHF) study.

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