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Background: ST-segment elevation myocardial infarction (STEMI) is responsible for high morbidity and mortality rates globally. Although the use of angiotensin-converting enzyme inhibitors (ACEIs) remains the cornerstone treatment for patients with STEMI, the use of angiotensin-receptor neprilysin inhibitors (ARNIs) may offer better outcomes than ACEIs. This meta-analysis compares the efficacy and safety of ARNIs versus ACEIs in patients with STEMI.
Methods: Randomized controlled trials (RCTs) were pooled from PubMed and Cochrane databases. A random-effects model calculated risk ratios (RRs) and weighted mean differences (WMDs) with 95% confidence intervals (CIs).
Results: Five trials ( = 4,915) were included. ARNIs significantly reduced major adverse cardiovascular events (MACE) (RR: 0.66, 95% CI [0.50, 0.86]; = 0.002) and hospitalizations for heart failure (HHF) (RR: 0.67, 95% CI [0.49, 0.92]; = 0.01). ARNIs also improved left ventricular ejection fraction (LVEF) (WMD: 2.60, 95% CI[1.53, 3.68]; < 0.00001) and lowered NT-proBNP levels (WMD: -268.89, 95% CI[-422.35, -115.42]; = 0.0006). No significant differences were observed in recurrent myocardial infarction, cardiovascular death, or safety outcomes - except for hypotension, which was significantly more common with ARNI use.
Conclusions: ARNI therapy reduces MACE, HHF, and NT-proBNP levels and improves LVEF in patients with STEMI without increasing safety risks, except for hypotension. Further RCTs are needed to confirm these findings.
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http://dx.doi.org/10.1080/14796678.2025.2506350 | DOI Listing |
Am Heart J
September 2025
Baylor Scott and White Research Institute and HealthCare, Dallas TX. Electronic address:
Background: Current recommendations for a prophylactic (primary prevention) implantable cardioverter defibrillator (ICD) in patients with both ischemic and non-ischemic heart failure with reduced ejection fraction (HFrEF) originate from clinical trials conducted in selected patients over 20 years ago that showed an overall statistically significant survival benefit associated with a primary prevention ICD in the range of 23%-34%. The recent introduction of angiotensin receptor-neprilysin inhibitors [ARNI] and sodium glucose co-transporter 2 inhibitors [SGLT2i]) was shown to further reduce the risk of sudden cardiac death (SCD) in patients with HFrEF. Thus, there is an unmet need appropriately designed comparative effectiveness clinical trials aimed to reassess the survival benefit of a primary prevention ICD in contemporary patients with HFrEF.
View Article and Find Full Text PDFCirc Heart Fail
September 2025
Canadian VIGOUR Centre, University of Alberta, Edmonton. (R.M., N.S., J.A.E.).
Background: Although the effects of various combinations of treatments on mortality and morbidity outcomes in heart failure with reduced ejection fraction (HFrEF) have been evaluated, the impact on quality of life is unknown. This study evaluated and compared the composite impact of pharmacological therapies on quality of life in HFrEF using a frequentist network meta-analysis and systematic review methodology.
Methods: We searched MEDLINE, EMBASE, and Cochrane Central Register of Controlled Trials for randomized controlled trials published between January 1, 2021 and August 10, 2024.
Drug Ther Bull
September 2025
King's College Hospital NHS Foundation Trust, London, UK.
Heart failure (HF) is a progressive clinical syndrome characterised by insufficient cardiac output due to structural and functional abnormalities of the heart, which can then lead to breathlessness, fatigue and fluid overload. HF has an associated high morbidity and mortality rate as well as a significant impact on healthcare resources; for example, in the UK, it accounts for 5% of National Health Service (NHS) emergency admissions. This review focuses on pharmacological treatment of chronic HF with reduced ejection fraction (HFrEF), which affects approximately 60% of patients with HF.
View Article and Find Full Text PDFAm J Cardiol
September 2025
Department of Epidemiology Research, Statens Serum Institut, Copenhagen, Denmark; Clinical Epidemiology Division, Department of Medicine Solna, Karolinska Institutet, Stockholm, Sweden.
Background: While trial evidence supports the benefit of angiotensin receptor-neprilysin inhibitor (ARNI) therapy in heart failure with reduced ejection fraction (HFrEF), its effectiveness in routine clinical practice is less explored. This study investigated the relative and absolute effectiveness of ARNI in patients with HFrEF.
Methods: This nationwide Danish database study included patients with left ventricular ejection fraction (LVEF) ≤40%, 2018-2023.
Biofactors
September 2025
Department of Pharmacognosy, Faculty of Pharmacy, Gazi University, Ankara, Türkiye.
Alzheimer's disease (AD), a progressive neurodegenerative disorder characterized by amyloid-β (Aβ) aggregation, oxidative stress, and neuroinflammation, remains a significant global health challenge. This study investigates the therapeutic potential of flavonols-quercetin, kaempferol, myricetin, and fisetin-in targeting Aβ aggregation and mitigating AD pathology through diverse molecular mechanisms. Our findings reveal that flavonols effectively inhibit Aβ oligomerization and fibril formation, reduce oxidative stress via Nrf2/HO-1 pathway activation, and suppress neuroinflammation by modulating microglial polarization.
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