Dapagliflozin on Hypotensive Heart Failure Patients After Sacubitril/Valsartan Therapy

Summary

Participation Requirements

Description

The DAPA-HF trial demonstrated that dapagliflozin was able to reduce the risk of worsening heart failure (HF) events and cardiovascular death comparing to placebo in patients with reduced ejection fraction further to standard of care. However, hypotensive patients who generally have higher risks com...

The DAPA-HF trial demonstrated that dapagliflozin was able to reduce the risk of worsening heart failure (HF) events and cardiovascular death comparing to placebo in patients with reduced ejection fraction further to standard of care. However, hypotensive patients who generally have higher risks comparing to normotensive patients, were under represented in the DAPA-HF. The investigators aimed to evaluate clinical effects of dapagliflozin on hypotensive HFrEF patients receiving chronic sacubitril/valsartan (Sal/Val) treatment. This is an investigator-initiated, interventional, prospective. open-label study. The inclusion criteria were (1) chronic symptomatic HF with New York Heart Association (NYHA) class II-IV and LVEF less than 40%, (2) treatment with stable and maximal tolerable dose of Sac/Val, beta-blocker with or without mineralocorticoid receptor antagonist (MRA), (3) 6-minute walking-distance (6MWD)? 100meters and ?425 meters at enrollment, (4) systolic blood pressure ?100 mmHg at enrollment. The exclusion criteria were (1) type 1 diabetes mellitus, (2) patients previously treated with any sodium glucose co-transporter 2 inhibitor (SGLT2i). After applying the inclusion and exclusion criteria, if the participants had type 2 diabetes mellitus, the participants will receive dapagliflozin 10mg daily directly. If the participants did not have history of diabetes mellitus, the participants will be allocated to either receiving dapagliflozin 10mg daily or receiving standard heart failure treatment without dapagliflozin. Vital signs and laboratory tests were examined at baseline, 2-week, 4-week and 12-week. Six-minute-walking-test, five-level EuroQol five dimensions (EQ-5D-5L) questionnaire and visual analogue scale (VAS) were collected at baseline and at 12-week.

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