Empagliflozin reduces the risk of a broad spectrum of heart failure outcomes regardless of heart failure status at baseline

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Early benefits of empagliflozin in patients with or without heart failure: findings from EMPA-REG OUTCOME

Aims: The EMPA‐REG OUTCOME trial demonstrated reductions in cardiovascular (CV) death and heart failure (HF) outcomes with empagliflozin, a sodium–glucose co‐transporter 2 inhibitor, in patients with type 2 diabetes and established CV disease over a study period of 3 years. We aimed to investigate the early benefit–risk profile of empagliflozin in patients enrolled in the EMPA‐REG OUTCOME trial according to HF status at baseline. Methods and results: The effects of treatments on glycated haemoglobin, systolic blood pressure and body weight, and on the HF endpoints of hospitalization for HF (HHF), HHF or CV death, and HHF or all‐cause mortality were evaluated at 12 weeks, 6 months, and 1 year after randomization. Occurrence of adverse events (AEs) during these time points was also evaluated. Compared with placebo, empagliflozin lowered glycated haemoglobin, systolic blood pressure, and body weight and rates of all the HF endpoints, as early as at 12 weeks, regardless of HF status at baseline. Favourable clinical and metabolic effects were maintained over time. AEs were generally higher in those with HF than without HF; however, compared with placebo, empagliflozin did not increase risk of developing AEs over the first year of treatment. Conclusions: In the EMPA‐REG OUTCOME trial, the use of empagliflozin led to early and beneficial effects on clinical, metabolic, and HF outcomes in patients with type 2 diabetes with or without HF at baseline, which were already apparent within 12 weeks from initiation of treatment. Over the first year of treatment, no safety concern was detected with the use of empagliflozin

Liver tests, cardiovascular outcomes and effects of empagliflozin in patients with heart failure and preserved ejection fraction: The EMPEROR-Preserved trial

Aim The prognostic implication of elevated liver tests in heart failure with preserved ejection fraction (HFpEF) is uncertain. This analysis investigates the association of liver markers with hospitalization for heart failure (HHF) and cardiovascular death (CVD), and the treatment effect of empagliflozin across the range of liver marker levels. Methods and results The double-blind, placebo-controlled EMPEROR-Preserved (EMPagliflozin outcomE tRial in Patients With chrOnic heaRt Failure with Preserved Ejection Fraction) enrolled 5988 patients with HFpEF (ejection fraction >40%). Patients in New York Heart Association class II–IV and elevated N-terminal pro-B-type natriuretic peptide were randomized to receive empagliflozin 10 mg daily or placebo in addition to usual therapy. Patients with significant liver disease were excluded. The primary endpoint was time to first adjudicated HHF or CVD. We explored the association of liver function abnormalities with heart failure outcomes in patients on placebo, the effects of empagliflozin on liver tests and the treatment effects of empagliflozin on heart failure outcomes across categories of liver laboratory values. High alkaline phosphatase (p trend < 0.0001), low albumin (p trend < 0.0001) and high bilirubin (p = 0.02) were associated with poorer outcomes for HHF or CVD, while high aspartate aminotransferase was not, and high alanine aminotransferase was associated with better outcomes. Empagliflozin had no significant effects on liver tests compared to placebo except for albumin which was significantly increased. The treatment effect of empagliflozin on outcomes was not modified by liver tests. Conclusion Abnormalities of liver function tests are associated differently with heart failure outcomes. Salutary effects of empagliflozin on liver tests were not observed although albumin increased. The treatment benefits of empagliflozin were not affected by baseline values of liver parameters

Empagliflozin in heart failure with preserved ejection fraction with and without atrial fibrillation

AIMS: Atrial fibrillation/flutter (AF) is common in heart failure (HF) with preserved left ventricular ejection fraction (LVEF) and associated with worse outcomes. Empagliflozin reduces cardiovascular death or HF hospitalizations and slows estimated glomerular filtration rate (eGFR) decline in patients with HF and LVEF >40%. We aimed to assess the efficacy and safety of empagliflozin in improving outcomes in patients with HF and LVEF >40% with and without AF. METHODS AND RESULTS: In this pre-defined secondary analysis of EMPEROR-Preserved, we compared the effects of empagliflozin versus placebo on the primary and secondary endpoints and safety outcomes, stratified by baseline AF, defined as AF reported in any electrocardiogram before empagliflozin initiation or in medical history. Among 5988 patients randomized, 3135 (52%) had baseline AF; these patients were older, with worse functional class, more previous HF hospitalizations and higher natriuretic peptides compared to those without AF (all p 40%, empagliflozin reduced the risk of serious HF events and slowed the eGFR decline regardless of baseline AF

Empagliflozin Improves Cardiovascular and Renal Outcomes in Heart Failure Irrespective of Systolic Blood Pressure.

BACKGROUND: Empagliflozin reduces the risk of cardiovascular death or heart failure (HF) hospitalization in patients with reduced ejection fraction. Its interplay with systolic blood pressure (SBP) is not known. OBJECTIVES: The goal of this study was to evaluate the interplay of SBP and the effects of empagliflozin in EMPEROR-Reduced (Empagliflozin Outcome Trial in Patients With Chronic Heart Failure With Reduced Ejection Fraction). METHODS: Study patients (N = 3,730) were randomly assigned to groups according to SBP at baseline (130 mm Hg, n = 1,047). This study explored the influence of SBP on the effects of empagliflozin on cardiovascular death or HF hospitalization (primary outcome), as well as on total HF hospitalizations, rate of decline in estimated glomerular filtration rate, renal outcomes, and empagliflozin's effects and significance on SBP. RESULTS: Over a median of 16 months considering only patients receiving placebo, baseline SBP and the risk of cardiovascular death or hospitalization for HF (P trend = 0.0015) were inversely related. Corrected for placebo, a slight early increase was observed in SBP at 130 mm Hg. These between-group differences were of borderline significance (P for interaction trend = 0.05-0.10) after 4 and 12 weeks but were not significant later. SBP at baseline did not influence the effect of empagliflozin to reduce the risk of HF events or renal endpoints. When treated with empagliflozin, patients with SBP <110 mm Hg did not have an increased rate of symptomatic hypotension. CONCLUSIONS: Empagliflozin was effective and safe, with no meaningful interaction between SBP and the effects of empagliflozin in the EMPEROR-Reduced trial. (Empagliflozin Outcome Trial in Patients With Chronic Heart Failure With Reduced Ejection Fraction [EMPEROR-Reduced]; NCT03057977)

Effect of Empagliflozin on Cardiovascular and Renal Outcomes in Patients With Heart Failure by Baseline Diabetes Status: Results From the EMPEROR-Reduced Trial.

BACKGROUND: Sodium-glucose cotransporter 2 inhibitors improve outcomes in patients with heart failure with reduced ejection fraction, but additional information is needed about whether glycemic status influences the magnitude of their benefits on heart failure and renal events. METHODS: Patients with Class II-IV heart failure and a left ventricular ejection fraction ≤40% were randomized to receive empagliflozin (10 mg daily) or placebo in addition to recommended therapy. We prespecified a comparison of the effect of empagliflozin in patients with and without diabetes. RESULTS: Of the 3730 patients enrolled, 1856 (50%) had diabetes, 1268 (34%) had prediabetes (hemoglobin A1c [HbA1c] 5.7-6.4%), and 606 (16%) had normoglycemia (HbA1c <5.7%). The risks of the primary outcome (cardiovascular death or hospitalization for heart failure), total hospitalizations for heart failure, and adverse renal outcomes were higher in patients with diabetes, but were similar between patients with prediabetes and normoglycemia. Empagliflozin reduced the risk of the primary outcome in patients with and without diabetes (hazard ratio, 0.72 [95% CI, 0.60-0.87] and 0.78 [95% CI, 0.64-0.97], respectively, P-interaction=0.57). Patients with and without diabetes also did not differ with respect to the effect of empagliflozin on total hospitalizations for heart failure, on the decline in estimated glomerular filtration rate over time, and on the risk of serious adverse renal outcomes. Among these end points, the effects of the drug did not differ in patients with prediabetes or normoglycemia. When analyzed as a continuous variable, baseline HbA1c did not significantly modify the benefits of empagliflozin on the primary outcome (P-interaction=0.40). Empagliflozin did not lower HbA1c in patients with prediabetes or normoglycemia and was not associated with increased risk of hypoglycemia. CONCLUSIONS: In EMPEROR-Reduced (Empagliflozin Outcome Trial in Patients With Chronic Heart Failure With Reduced Ejection Fraction), empagliflozin significantly improved cardiovascular and renal outcomes in patients with heart failure and a reduced ejection fraction, independent of baseline diabetes status and across the continuum of HbA1c. Registration: URL: https://www.clinicaltrials.gov; Unique identifier: NCT03057977

The heart failure burden of type 2 diabetes mellitus - a review of pathophysiology and interventions

Diabetes and heart failure (HF) are both global epidemics with tremendous costs on society with increased rates of HF hospitalizations and worsened prognosis when co-existing, making it a significant “deadly duo.” The evidence for pharmacological treatment of HF in patients with type 2 diabetes mellitus (T2DM) stems typically from either subgroup analyses of patients that were recruited to randomized controlled trials of HF interventions, usually in patients with reduced ejection fraction (EF), or from subgroup analyses of HF patients recruited to cardiovascular (CV) outcome trials (CVOT) of glucose lowering agents involving patients with T2DM. Studies in patients with HF with preserved EF are sparse. This review summarizes the literature on pathophysiology and interventions aiming to reduce the HF burden in T2DM and includes HF trials of ACEi, digoxin, β-blocker, ARB, If-blocker, MRA, and ARNI involving 38,600 patients, with or without prevalent diabetes, and CV outcome trials in T2DM involving 74,351 patients, with or without prevalent HF. In all HF trials, HF outcomes by prevalent diabetes were reported with an incremental risk of HF and death confessed by prevalent diabetes and a treatment effect similar to those without diabetes. All T2DM CVOTs reported on HF outcomes with heterogeneity between trials with two reporting benefits (empagliflozin and canagliflozin) and two reporting increased risk (saxagliptin, pioglitazone). In vulnerable T2DM patients with concomitant HF, guideline-recommended HF drugs are effective. When choosing glucose-lowering therapy, outcomes from available CVOTs should be considered

Empagliflozin and decreased risk of nephrolithiasis: A potential new role for SGLT2 inhibition?

International audienceAims Diabetes mellitus is a risk factor for nephrolithiasis. A recent observational study found that SGLT2 inhibitor use by type 2 diabetes (T2D) patients was associated with a 49% lower risk of nephrolithiasis, compared to GLP-1 receptor agonists. We examined the association between nephrolithiasis and the SGLT2 inhibitor empagliflozin, using existing data from randomized clinical trials. Methods We pooled data from 15,081 T2D patients randomized to empagliflozin (n=10,177) or placebo (n=4,904) from 20 phase I-IV trials including the large CV outcome trial, EMPA-REG OUTCOME. Incident urinary tract stone events were captured using a pre-defined collection of MedRA terms. A sensitivity analysis using a narrower definition was also performed. Incidence rate ratios (IRR) and 95% confidence intervals (CI) were calculated using the relative risk estimate, stratified by study. Results The median exposures to study drug was 543 days (placebo) and 549 days (empagliflozin).183 patients experienced an incident urolithiasis during follow-up (placebo, 79; empagliflozin,104), yielding annual incidence rates of 1.01 versus 0.63 events/100 patient-years in the two respective groups. The IRR was 0.64 (95% CI 0.48, 0.86), in favor of empagliflozin. In the sensitivity analysis, the results were similar (IRR, 0.62 [95% CI 0.45, 0.85]). Conclusion Compared to placebo, empagliflozin therapy was associated with an approximate 40% reduced risk of urinary tract stone events in T2D patients. The underlying mechanisms are unknown but may involve altered lithogenic profile of the urine. Dedicated randomized prospective clinical trials are warranted to confirm these initial observations in both patients with and without T2D

Long-term follow-up of a hospital-based, multi-intervention programme in type 2 diabetes mellitus: impact on cardiovascular events and death

Objective To report the long-term impact on cardiovascular (CV) outcomes and mortality of a 2-year hospital-based multi-interventional care programme as compared with general practitioner (GP)-provided standard care. Methods Patients with type 2 diabetes with ≥ 1 additional CV risk factor were randomized to 2 years of specialist-based, multi-intervention comprising lifestyle modification and specific pharmacological treatment, or GP-based standard care. After the 2-year intervention period, all participants returned to pre-study care, but were followed up for CV outcomes and mortality. The primary outcome was time to any first severe CV event or death. Results A total of 120 patients (31 women) were enrolled in the study. During the mean ± SD observational period of 8.7 ± 2.0 years, 27 patients (16 and 11 in the multi-intervention and standard care groups, respectively) experienced at least one primary outcome event, with a hazard ratio (HR) if allocated to the multi-intervention group of 1.73 (95% confidence interval (CI) 0.80, 3.75). The HR for total mortality was 1.82 (95% CI 0.66, 5.01). Conclusions Hospital-based multi-intervention in patients with type 2 diabetes mellitus improved long-term glycaemic control, but failed to reduce CV outcomes and deaths