Patients With Type 2 Diabetes Mellitus and Heart Failure Benefit More From Sodium-Glucose Cotransporter 2 Inhibitor: A Systematic Review and Meta-Analysis

Drug Safety Evaluation of Sodium-Glucose Cotransporter 2 Inhibitors in Diabetic Comorbid Patients by Review of Systemic Extraglycemic Effects

Purpose

The aim of this study is to evaluate the safety of this drug in diabetic patients with comorbidities of all systems.

Method

In this review, the beneficial effects of this drug and its mechanism on the disorders of every system of humans in relation to diabetes have been studied, and finally, its adverse effects have also been discussed. The search for relevant information is carried out in the PubMed and Google Scholar databases by using the following terms: diabetes mellitus type 2, SGLT, SGLT2 inhibitors, (SGLT2 inhibitors) AND (Pleiotropic effects). All English-published articles from 2016 to 2023 have been used in this study. It should be noted that a small number of articles published before 2016 have been used in the introduction and general informations.

Results

Its beneficial effects on improving cardiovascular disease risk factors and reducing adverse events caused by cardiovascular and renal diseases have proven in most large clinical studies that these effects are almost certain. It also has beneficial effects on other human systems such as the respiratory system, the gastrointestinal system, the circulatory system, and the nervous system; more of them are at the level of clinical and pre-clinical trials but have not been proven in large clinical trials or meta-analyses.

Conclusion

With the exception of a few adverse effects, this drug is considered a good choice and safe for all diabetic patients with comorbidities of all systems.

Sodium-Glucose Cotransporter-2 (SGLT-2) Inhibitors in Heart Failure: An Umbrella Review

Heart failure remains a leading cause of hospitalization and death, and presents a significant challenge for healthcare providers despite the advancements in its management. This umbrella review aimed to pool the results of meta-analyses on the use of sodium-glucose cotransporter-2 (SGLT-2) inhibitors in the treatment of heart failure patients. A literature search was done on five databases: PubMed, Cochrane Library, Scopus, Global Index Medicus, and Science Direct for articles with full texts available online. Meta-analyses of five or more randomized controlled trials (RCTs) were included; the assessment of multiple systematic reviews (AMSTAR) was used to assess the quality of included studies. A systematic search identified 10 relevant meta-analyses of RCTs, with primary analyses including outcome data from 171,556 heart failure patients. A pooled review showed that SGLT-2 inhibitors significantly reduced the risk of heart failure hospitalization, cardiovascular death, mortality, serious adverse events, and improved quality of life. SGLT-2 inhibitors are likely safe and effective in managing patients with heart failure especially considering the acute outcomes.

Effects of the Sodium-Glucose Cotransporter Inhibitors on Cardiovascular Death and All-Cause Mortality: A Systematic Review and Meta-analysis of Randomized Placebo-Controlled Clinical Trials

BACKGROUND

Patients with diabetes mellitus are at an increased risk of cardiovascular morbidity and all-cause mortality. Heart failure and type 2 diabetes often occur concomitantly, and each disease independently increases the risk for the other.

OBJECTIVE

Emerging data have revealed that some sodium-glucose cotransporter inhibitors (SGLTi) improve cardiovascular and renal outcomes, particularly in patients with type 2 diabetes. The magnitude of this effect in patients without any underlying condition remains unclear. As a result, we conducted a meta-analysis of the mortality outcomes of available SGLTi in patients with or without cardiovascular diseases, type 2 diabetes, cardiovascular risk factors, and heart failure.

METHODS

We performed a systematic review and meta-analysis of randomized, placebo-controlled major cardiovascular outcome trials of SGLTi in patients regardless of their cardiovascular disease or risk status. PubMed, Cochrane, Google Scholar, MEDLINE, and EMBASE were searched for the relevant studies. Three reviewers extracted study data and three reviewers summarized the strength of the evidence. Efficacy outcomes included all-cause mortality, major adverse cardiovascular events (myocardial infarction, stroke, or cardiovascular death), the composite of all-cause mortality, cardiovascular death, or hospitalization for heart failure. Odds ratios with 95% confidence intervals were pooled across trials to calculate the overall effect size.

RESULTS

A total of 5043 all-cause mortality events were observed in the study groups. In 42,050 patients who received SGLTi, 2581 events were reported, and 2462 events were reported in 35,491 patients who received placebo (odds ratio = 0.86, 95% confidence interval 0.80-0.93, p = 0.0003). The use of SGLTi significantly reduced cardiovascular mortality compared with control across the patients' population (odds ratio = 0.86, 95% confidence interval 0.79-0.93, p = 0.0001). There was a consistent pattern of mortality beneficial estimates for all patients with different co-morbid conditions in the SGLTi-treated arm compared with the placebo-treated group. The presence or absence of significant cardiovascular disease risk factors (including a family history of premature coronary artery disease, baseline estimated glomerular filtration rate, dyslipidemia, hypertension, smoking, history of cardiovascular disease, and older age) did not affect the estimated mortality benefits.

CONCLUSIONS

Sodium-glucose cotransporter inhibitors significantly reduced major adverse cardiovascular events, including hospitalization and all-cause mortality in patients with or without established atherosclerotic cardiovascular disease. We observed a beneficial trend in patients with heart failure with preserved ejection fraction, and no benefits in patients with stroke or myocardial infarction.

Empagliflozin Improves Cognitive Impairment in Frail Older Adults With Type 2 Diabetes and Heart Failure With Preserved Ejection Fraction

OBJECTIVE

To assess whether the sodium-glucose cotransporter 2 (SGLT2) inhibitor empagliflozin improves cognitive impairment in frail older adults with diabetes and heart failure with preserved ejection fraction (HFpEF).

RESEARCH DESIGN AND METHODS

We designed a prospective study to assess cognitive and physical function in consecutive frail older adults with diabetes and HFpEF, comparing the effects of empagliflozin, metformin, and insulin.

RESULTS

A total of 162 frail older adults with HFpEF and diabetes successfully completed the study. Montreal Cognitive Assessment scores at baseline and after 1 month were 19.80 ± 3.77 vs. 22.25 ± 3.27 (P < 0.001) in the empagliflozin group, 19.95 ± 3.81 vs. 20.71 ± 3.56 (P = 0.26) in the metformin group, and 19.00 ± 3.71 vs. 19.1 ± 3.56 (P = 0.81) in the insulin group. A multivariable regression analysis confirmed the beneficial effects of empagliflozin. Additionally, we observed a marked amelioration of physical impairment, assessed by the 5-m gait speed test, in the empagliflozin and metformin groups but not in the insulin group.

CONCLUSIONS

This study is the first to show significant beneficial effects of the SGLT2 inhibitor empagliflozin on cognitive and physical impairment in frail older adults with diabetes and HFpEF.