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J Cardiovasc Pharmacol. 2019 Mar;73(3):149-154. doi: 10.1097/FJC.0000000000000643.

Titration and Tolerability of Sacubitril/Valsartan for Patients With Heart Failure in Clinical Practice.

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1
University of Alberta, Edmonton, Alberta, Canada.
2
Canadian VIGOUR Centre, Edmonton, Alberta, Canada.
3
Heart Function Clinic, Mazankowski Alberta Heart Institute, Edmonton, Alberta, Canada.

Abstract

Little is known about the dosing and tolerability of sacubitril/valsartan (LCZ696; Entresto, Quebec, Canada) in a nonclinical trial population. This study was conducted to evaluate the use and tolerability of sacubitril/valsartan in patients followed at a multidisciplinary heart failure (HF) clinic. We performed a retrospective chart review of 126 patients with HF, initiated on sacubitril/valsartan, and seen at a specialty HF clinic between August 1, 2015, and August 1, 2017. We defined the target dose of sacubitril/valsartan as 200 mg twice a day. At baseline, median age was 67 years, 77% were men, median ejection fraction was 29%, and 86.5% of patients had symptoms of New York Heart Association class ≥II. Within 6 months of being transitioned onto sacubitril/valsartan therapy, 27.2% achieved the target dose of 200 mg twice a day, 40.8% achieved the target dose of 100 mg twice a day, and 32.0% achieved the target dose of 50 mg twice a day. The main reasons for not achieving target dose within 6 months included slower uptitration of therapy than in the trial (n = 41, 54.7%), a decrease in systolic blood pressure (n = 19, 25.3%), not completing blood work (n = 3, 4%), and patient noncompliance (n = 3, 4%). Overall, achievement of sacubitril/valsartan target doses was modest in a tertiary HF clinic, limited by various factors such as side effects and patients' medication noncompliance. Implementation of patient and clinician support pathways may improve uptake, uptitration, and maintenance of evidence-based doses in clinical practice.

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