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The effects of sacubitril/valsartan on heart failure with preserved ejection fraction: a meta-analysis
Jiao Yuheng1, Li Yanyan1, Zhang Song1
1Department of Cardiovascular Diseases, Xinhua Hospital, School of Medicine, Shanghai Jiaotong University, Shanghai, P.R. China.
Insights
Sacubitril/Valsartan reduced heart failure hospitalizations in patients with preserved ejection fraction heart failure (HFpEF). However, it did not significantly improve mortality or NYHA class, and increased hypotension risk.
Area of Science:
- Cardiology
- Pharmacology
Background:
- Heart failure with preserved ejection fraction (HFpEF) remains a therapeutic challenge.
- Sacubitril/Valsartan has shown promise in heart failure, but its efficacy in HFpEF is debated.
Approach:
- A systematic review and meta-analysis of randomized controlled trials was conducted.
- Searches included PubMed, Embase, Web of Science, Cochrane Library, and Clinicaltrials.gov up to December 7, 2020.
- Four studies with 7739 participants were included.
Key Points:
- Sacubitril/Valsartan significantly reduced HF hospitalization rates in HFpEF patients (RR: 0.85, 95% CI: 0.79-0.93).
- No significant benefits were observed for all-cause mortality, cardiovascular mortality, or NYHA class improvement.
- Increased risk of symptomatic hypotension was noted (RR: 1.44, 95% CI: 1.25-1.66), but no increased risk of renal dysfunction or hyperkalemia.
Conclusions:
- Sacubitril/Valsartan is effective in reducing HF hospitalizations for HFpEF patients compared to valsartan or individualized medical therapy.
- While not improving mortality or functional class, its hospitalization benefit warrants consideration in HFpEF management.
Background:
Compared with angiotensin-converting enzyme inhibitors and angiotensin receptor blockers, Sacubitril/Valsartan has been reported to have superior results. However, the effects of sacubitril/valsartan on heart failure with preserved ejection fraction (HFpEF) are still in dispute.
Objectives:
This study aims to evaluate the effects of sacubitril/valsartan on the treatment of HFpEF patients.
Methods:
PubMed, Embase, Web of Science, Cochrane Library, and Clinicaltrials.gov were used to search for randomised controlled trials of sacubitril/valsartan in HFpEF patients from inception to 7 December 2020.
Results:
Four studies, with a total of 7739 participants, met the inclusion criteria. The present meta-analysis results showed that compared with the control group, sacubitril/valsartan reduced the hospitalisation rate of HF in HFpEF patients [Risk Ratio(RR): 0.85; 95% confidence interval (CI): 0.79-0.93; p = 0.0002). Regarding all-cause mortality, cardiovascular mortality, and the improvement in NYHA class, sacubitril/valsartan did not show apparent advantages. Although sacubitril/valsartan was linked to increasing the risk of symptomatic hypotension (RR: 1.44; 95% CI: 1.25-1.66; p﹤0.00001), there was no evidence supporting the incidence of renal function worsening and hyperkalemia.
Conclusion:
Our study shows that compared with valsartan or individualised medical therapy (IMT), there were not different between the two groups except for the hospitalisation rate which was favoured by Sacubitril/Valsartan treatment group for HFpEF patients.
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