• A J Ansara, D M Kolanczyk, and J M Koehler.
• Department of Pharmacy, Indiana University Health Methodist Hospital, Indianapolis, IN, USA.
• J Clin Pharm Ther. 2016 Apr 1; 41 (2): 119-27.

What Is Known And ObjectiveHeart failure remains a leading cause of morbidity and mortality worldwide. Advanced therapies have prolonged survival in patients with advanced heart failure, but pharmacotherapeutic optimization remains the mainstay of treatment. It has been over 10 years since the last mortality-reducing medication has been approved by the Food and Drug Administration. This article reviews the background, current knowledge and data supporting the use of sacubitril/valsartan (Entresto(®) ), the newly FDA-approved medication that dually inhibits angiotensin and neprilysin, in the treatment of heart failure.MethodsA literature search was performed (January 1980 to August 2015) using PubMed and the search terms were as follows: neprilysin inhibitor, heart failure, endopeptidase, natriuretic peptides, angiotensin, omapatrilat, LCZ696, valsartan and sacubitril. Peer-reviewed, published clinical trials, review articles, relevant treatment guidelines and prescribing information documents were identified and reviewed for relevance. Additionally, reference citations from publications identified were reviewed.Results And DiscussionThe inhibition of endopeptidases has been an area of extensive study for the treatment of heart failure. Previously published literature with the endopeptidase inhibitor omapatrilat failed to demonstrate a sufficient balance between clinical efficacy and safety to justify its approval. Omapatrilat blocked three pathways that break down bradykinin, leading to high rates of angioedema. Sacubitril, on the other hand, is metabolized to a form that is highly selective for neprilysin without possessing activity for the other two peptidases, ACE and APP. The combination of sacubitril with valsartan in a single formulation offers the benefit of concurrent blockade of the renin angiotensin aldosterone system and the inhibition of neprilysin while minimizing angioedema risk. When compared to ACE inhibitor therapy in systolic heart failure patients, sacubitril/valsartan demonstrated reductions in all-cause mortality and hospitalization due to heart failure while maintaining a similar safety profile.What Is New And ConclusionA formulation that contains both sacubitril and valsartan was manufactured and approved by the FDA in July 2015 for the reduction of mortality and hospitalization in systolic heart failure patients. The new medication offers a potentially superior alternative to ACE inhibitor therapy in the management of systolic heart failure. The effects of treatment with sacubitril/valsartan in the setting of diastolic heart failure are currently under investigation in clinical trials.© 2016 John Wiley & Sons Ltd.

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