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Aims  The aim of this study is to evaluate the utilization and success in therapy intensification after initiation of sacubitril/valsartan using a specified protocol within an advanced heart failure and transplant programme in the Middle East Gulf Region.    Methods and results  We studied a single‐centre, retrospective cohort in a 364‐bedded multi‐speciality hospital located in the United Arab Emirates (February 2016 to July 2017). The advanced heart failure and transplant programme formulated an institutional protocol for initiation of sacubitril/valsartan with defined criteria for switching from angiotensin‐converting enzyme inhibitor (ACEI) and angiotensin II receptor blocker (ARB). Prescribing this drug is intended for patients with heart failure with reduced ejection fraction with left ventricular ejection fraction ≤40%. We excluded patients (i) with age below 18 years or (ii) initiated on sacubitril/valsartan from an outside hospital with or without follow‐up in our outpatient clinic. We included 102 patients with an average initial dose of 78.9 ± 44.2 mg twice daily. Only 17 patients were on target doses of ACEI or ARB prior to switching to sacubitril/valsartan. Up‐titration was successful in 55 patients during the follow‐up period. In addition, 6.9% patients were hospitalized with heart failure exacerbation. In patients with elevated baseline serum potassium prior to initiating this medication, the serum potassium levels decreased post‐initiation by 0.5 ± 0.3 mmol/L ( P  = 0.0008).    Conclusions  Initiating sacubitril/valsartan through a defined protocol selects for appropriate candidates and guides starting dose and titration. Overall, significant success can be achieved in replacing ACEI or ARB by sacubitril/valsartan in symptomatic heart failure with reduced ejection fraction patients.

A per‐protocol initiation of sacubitril/valsartan in an advanced heart failure disease management programme in the Middle East Gulf Region