Curtain, J. P. et al. (2023) Prevalent and incident anemia in PARADIGM-HF and the effect of sacubitril/valsartan. JACC: Heart Failure, 11(7), pp. 749-759. (doi: 10.1016/j.jchf.2022.12.012) (PMID:37407154)
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Abstract
Background: Anemia is common in patients with heart failure with reduced ejection fraction and is associated with poor clinical outcomes. Renin-angiotensin system blockers lower hemoglobin and may induce anemia. Objectives: The authors investigated whether concomitant neprilysin inhibition might ameliorate this effect of renin-angiotensin system blockers in PARADIGM-HF (Prospective comparison of ARNI with ACEI to Determine Impact on Global Mortality and morbidity in Heart Failure). Methods: Anemia was defined as hemoglobin <120 g/L in women and <130 g/L in men at screening. The authors investigated the effect of randomized treatment on clinical outcomes according to anemia status, change in hemoglobin from baseline, and the incidence of anemia. Results: Of 8,239 participants with a baseline hemoglobin measurement, 1,677 (20.4%) were anemic. Patients with anemia had a more severe heart failure profile, worse kidney function, greater neurohormonal derangement, and worse clinical outcomes. Sacubitril/valsartan, compared with enalapril, decreased the risk of cardiovascular death or heart failure hospitalization similarly in patients with (HR: 0.84; 95% CI: 0.71-1.00) and without anemia (HR: 0.78 [95% CI: 0.71-0.87]; P value for interaction = 0.478). Between baseline and 12 months, hemoglobin decreased by 1.5 g/L (95% CI: 1.2-1.7 g/L) with sacubitril/valsartan compared with 2.3 g/L (95% CI: 2.0-2.6 g/L) with enalapril: mean difference 0.8 g/L (95% CI: 0.5-1.2 g/L; P < 0.001). Patients assigned to sacubitril/valsartan were less likely to develop anemia at 12 months (321 of 2,806 [11.4%]) compared with patients randomized to enalapril (440 of 2,824 [15.6%]) (odds ratio [OR]: 0.70 [95% CI: 0.60-0.81]; P < 0.001). These findings were similar in PARAGON-HF (Prospective Comparison of ARNI with ARB Global Outcomes in HF with Preserved Ejection Fraction) (sacubitril/valsartan vs valsartan). There was biomarker evidence of increased iron utilization with sacubitril/valsartan. Conclusions: Irrespective of anemia status, sacubitril/valsartan compared with enalapril, decreased mortality and hospitalization. Hemoglobin decreased less with sacubitril/valsartan and the incidence of new anemia was lower with sacubitril/valsartan. (This study will evaluate the Prospective comparison of ARNI with ACEI to Determine Impact on Global Mortality and morbidity in Heart Failure [PARADIGM-HF] trial; NCT01035255).
| Item Type: | Articles |
|---|---|
| Status: | Published |
| Refereed: | Yes |
| Glasgow Author(s) Enlighten ID: | Adamson, Dr Carly and Docherty, Dr Kieran and Curtain, Dr James and Jhund, Professor Pardeep and McMurray, Professor John |
| Authors: | Curtain, J. P., Adamson, C., Docherty, K. F., Jhund, P. S., Desai, A. S., Lefkowitz, M. P., Rizkala, A. R., Rouleau, J. L., Swedberg, K., Zile, M. R., Solomon, S. D., Packer, M., and McMurray, J. J.V. |
| College/School: | College of Medical Veterinary and Life Sciences > School of Cardiovascular & Metabolic Health |
| Journal Name: | JACC: Heart Failure |
| Publisher: | Elsevier |
| ISSN: | 2213-1779 |
| ISSN (Online): | 2213-1787 |
| Published Online: | 12 April 2023 |
| Copyright Holders: | Copyright © 2023 The Authors |
| First Published: | First published in JACC: Heart Failure 11(7): 749-759 |
| Publisher Policy: | Reproduced under a Creative Commons License |
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