Fournier Gangrene Associated With Sodium-Glucose Cotransporter-2 Inhibitors: A Review of Spontaneous Postmarketing Cases

Newer Outpatient Diabetes Therapies and Technologies

New diabetes drugs such as glucagon-like peptide-1 receptor agonists (GLP-1 RAs) and glucose-dependent insulinotropic peptide/GLP-1 RAs have emerged to show hemoglobin A1c (HbA1c) reduction, weight loss, and cardiovascular benefits. Similarly, sodium-glucose cotransporter 2 inhibitors' benefits span from HbA1c decrease to cardiovascular and renoprotective effects. Diabetes technology has expanded to include type 2 diabetes mellitus, with literature supporting its use in T2DM on any insulin regimen. Connected insulin pens and insulin delivery devices have opened new solutions to insulin users and automated insulin delivery systems have become the standard of care therapy for type 1 diabetes mellitus.

SGLT-2 inhibitors: new horizons for rheumatologists

PURPOSE OF REVIEW

Sodium glucose cotransporter 2 (SGLT2) inhibitors are a class of medications initially developed for the treatment of diabetes, although their cardiac and renal protective benefits are far reaching. There has been marked interest in the rheumatology community to adopt these medications into our clinical practice, particularly for chronic kidney disease with persistent proteinuria.

RECENT FINDINGS

SGLT2 inhibitors have been approved for patients with type 2 diabetes mellitus, heart failure with reduced or preserved ejection fraction, atherosclerotic cardiovascular disease in the setting of type 2 diabetes mellitus, as well as chronic kidney disease with proteinuria. Large studies on SGLT2 inhibitors have largely excluded patients with proteinuric chronic kidney disease due to autoimmune glomerulonephritis due to concerns for confounding from immunosuppression. The Dapagliflozin and Prevention of Adverse Outcomes in CKD Trial (DAPA-CKD) showed that SGLT2 inhibition decreased progression of renal disease in patients with IgA nephropathy. Expanding this to other autoimmune glomerulonephropathies, several small studies have shown improvements in proteinuria in patients with lupus nephritis treated with SGLT2 inhibitors. A study evaluating safety of SGLT2 inhibitors in patients with lupus identified no specific concerns even with concomitant use of immunosuppression.

SUMMARY

Small studies have shown that SGLT2 inhibitors can been utilized safely and efficaciously in patients with lupus nephritis. Additional research is needed to identify where these medications fit into the rheumatology treatment armamentarium.

Fournier's Gangrene Surgical Reconstruction: A Systematic Review

Fournier's gangrene (FG) is a rare form of necrotizing fasciitis of the perineal, genital, or perianal region. It is characterized by an aggressive course and high mortality rate, over 20%. FG demands immediate treatment including resuscitation maneuvers, intravenous antibiotic therapy and early surgical debridement. Background/Objectives: The gold-standard treatment for FG is surgical reconstruction. However, up to date, no precise guidelines exist. Thus, we decided to systematically review the literature, focusing on FG contemporary approaches to reconstructive surgery, aiming to analyze the various reconstructive strategies and their specific indications. Methods: A systematic review was carried out according to the PRISMA statement by searching various databases from April 2014 to April 2024, using the terms ''Fournier Gangrene OR Fournier Gangrene Reconstruction OR Fournier Gangrene Treatment OR Fournier Gangrene Plastic Surgery OR Necrotizing Fasciitis OR Necrotizing Fasciitis AND Reconstruction". The eligibility criteria included original studies aimed at discussing FG reconstruction with at least three clinical cases. Results: The final synthesis included 38 articles, and 576 reconstructions were described. Of these, 77.6% were minimally invasive strategies (direct closure, secondary healing, grafts, and local random flaps), while more invasive reconstructions (loco-regional flaps based on known vascular anatomy) were adopted in 22.4%. No free flaps were reported. Conclusions: FG requires immediate medical interventions including broad-spectrum antibiotic therapy, surgical debridement, adjuvant therapies, and reconstructive surgeries. Taking into account the anatomical characteristics of the inguinal-crural region, skin grafts and local random flaps could offer versatile and effective reconstructions for most FG cases, while the more invasive strategies should be reserved for very few cases. Future research is warranted to define an FG dedicated reconstruction protocol.

Application of triboelectric nanogenerator (TENG) in cancer prevention and adjuvant therapy

Cancer is a malignant tumor that kills about 940,000 people worldwide each year. In addition, about 30-77 % of cancer patients will experience cancer metastasis and recurrence, which can increase the cancer mortality rate without prompt treatment. According to the US Food and Drug Administration, wearable devices can detect several physiological indicators of patients to reflect their health status and adjuvant cancer treatment. Based on the triboelectric effect and electrostatic induction phenomenon, triboelectric nanopower generation (TENG) technology can convert mechanical energy into electricity and drive small electronic devices. This article reviewed the research status of TENG in the areas of cancer prevention and adjuvant therapy. TENG can be used for cancer prevention with advanced sensors. At the same time, electrical stimulation generated by TENG can also be used to help inhibit the growth of cancer cells to reduce the proliferation, recurrence, and metastasis of cancer cells. This review will promote the practical application of TENG in healthcare and provide clean and sustainable energy solutions for wearable bioelectronic systems.

Genito Urinary Infection and Urinary Tract Infection in Patients with Type 2 Diabetes Mellitus Receiving SGLT2 Inhibitors: Evidence from a Systematic Literature Review of Landmark Randomized Clinical Trial

BACKGROUND AND PURPOSE

SGLT2 inhibitors are class of drugs that are used in adults with type 2 diabetes through a novel mechanism of action by reducing renal tubular glucose reabsorption, leading to a reduction in blood glucose without stimulating insulin release. In this systematic review, we report the effects of treatment with SGLT2 inhibitors on urinary tract infection (UTI) and genitourinary infection (GUI).

METHOD

The study integrated data from landmark trials of SGLT2 inhibitors (CANVAS, CREDENCE, DECLARE-TIMI 58, and EMPA-REG) to interpret the association of SGLT2 inhibitors with genital infection (GI) and UTI. We reported the review following the Preferred Reporting Items for Systematic Reviews and Meta-Analyses (PRISMA) statement. The primary outcome was a composite of participants reporting UTI and GUI prescribed on SGLT2 inhibitors.

RESULTS

The analysis of four studies involving 38,723 participants revealed incidences of both UTIs and GUI. In the SGLT2 inhibitor group, comprising 21,266 participants, 222 (1.04%) experienced UTIs, and 477 (2.24%) reported GUI. In contrast, among the placebo group consisting of 17,457 participants, 201 (1.15%) reported UTIs, and 70 (0.40%) reported genital infections. These findings underscore the elevated risk associated with SGLT2 inhibitor use, particularly regarding GUI, necessitating careful consideration in clinical practice and patient management strategies.

CONCLUSION

The incidence of UTIs and particularly more pronounced GUI associated with SGLT2 inhibitors highlights the importance of careful risk assessment and monitoring in clinical decision-making, underscoring the need for patient management strategies.

A Case of Fournier's Gangrene Following the Initiation of Dapagliflozin

Since being approved by the United States Food and Drug Administration (FDA) in 2013, sodium-glucose cotransporter-2 inhibitors (SGLT2is) have emerged as an appealing therapeutic choice for patients with diabetes due to their favorable effects on renal and cardiac health. Recent trials have further expanded the application of these drugs by showing a decrease in mortality rates among patients with both reduced and preserved ejection fraction heart failure, even in those without diabetes. Common adverse effects of SGLT2is include increased urinary frequency and urinary tract infections stemming from elevated glycosuria. Here, we present a case report involving a 66-year-old man who developed Fournier's gangrene (FG) shortly after initiating dapagliflozin - a rare but dangerous adverse effect associated with this medication.

Fournier's Gangrene as an Adverse Event Following Treatment with Sodium Glucose Cotransporter 2 Inhibitors

We present the case of a 51-year-old male with known congestive heart failure and acute myocarditis who presented to the emergency department (ED) with swollen testicles and urinary symptoms two weeks after the initiation of sodium glucose cotransporter 2 (SGLT2) inhibitor treatment. Abdominal and pelvic computed tomography (CT) scan was consistent with the diagnosis of Fournier's gangrene (FG). Intravenous antibiotics were administered and surgical exploratory intervention and excision of necrotic tissue were performed, stopping the evolution of necrotizing fasciitis. FG, a reported adverse event, may rarely occur when SGLT2 inhibitors are administered in patients with diabetes. To our knowledge, there have been no reported cases of FG in Romania since SLGT2 inhibitors were approved. The distinguishing feature of this case is that the patient was not diabetic, which emphasizes that patients without diabetes who are treated for heart failure with SGLT2 inhibitors may also be at risk of developing genitourinary infections. The association of predisposing factors may have contributed to the development of FG in this case and even though the benefits of SGLT2 inhibitors outweigh the risks, serious adverse events need to be voluntarily reported in order to intervene promptly, verify the relationship, and minimize the risk of bias.

Sodium-Glucose Cotransporter 2 Inhibitors and Mycotic Genital or Urinary Tract Infections in Heart Failure

Sodium-glucose cotransporter 2 inhibitors (SGLT2is) improve clinical outcomes in persons with heart failure (HF). This class of agents has been consistently associated with an increased risk of mycotic genital infections (MGIs), and in some, but not all, trials, urinary tract infections (UTIs). Other medications widely used for cardiac conditions do not cause MGIs and UTIs, so cardiologists and their supporting teams will be encountering clinical questions that they previously did not have to address. This review provides clinicians with practical recommendations about SGLT2i use in individuals with HF as related to the associated MGI and possible UTI risks. Overall, given the benefit of SGLT2is in clinical outcomes, the threshold for not initiating or discontinuing SGLT2is due to concerns for MGIs or UTIs should be high for persons with HF. Likewise, when SGLT2is are discontinued for such concerns, the threshold for reinitiation should be low.

Effect of Sodium-Glucose Cotransporter 2 Inhibitors in Adults With Congenital Heart Disease

BACKGROUND

Heart failure (HF) is the principal cause of morbidity and mortality in adults with congenital heart disease (ACHD). Robust evidence-based treatment options are lacking.

OBJECTIVES

This study aims to evaluate the safety, tolerability, and short-term HF-related effects of sodium-glucose cotransporter 2 inhibitors (SGLT2i) in a real-world ACHD population.

METHODS

All patients with ACHD treated with SGLT2i in 4 European ACHD centers were included in this retrospective study. Data were collected from 1 year before starting SGLT2i to the most recent follow-up. Data on side effects, discontinuation, mortality, and hospitalizations were collected.

RESULTS

In total, 174 patients with ACHD were treated with SGLT2i from April 2016 to July 2023. The mean age was 48.7 ± 15.3 years, 72 (41.4%) were female, and 29 (16.7%) had type 2 diabetes mellitus. Ten (5.7%) patients had mild, 75 (43.1%) moderate, and 89 (51.1%) severe congenital heart disease. HF was the most frequent starting indication (n = 162, 93.1%), followed by type 2 diabetes (n = 11, 6.3%) and chronic kidney disease (n = 1, 0.6%). At median follow-up of 7.7 months (Q1-Q3: 3.9-13.2 months), 18 patients (10.3%) reported side effects, 12 (6.9%) permanently discontinued SGLT2i, and 4 (2.3%) died of SGLT2i-unrelated causes. A significant reduction in the HF hospitalization rate was observed from 6 months before to 6 months after starting SGLT2i (relative rate = 0.30; 95% CI: 0.14-0.62; P = 0.001).

CONCLUSIONS

SGLT2i generally seem safe, well-tolerated, and potentially beneficial in patients with ACHD. SGLT2i was associated with a 3-fold reduction in the 6-month HF hospitalization rate. These results warrant prospective randomized investigation of the potential benefits of SGLT2i for patients with ACHD.

The biological function of the type II toxin-antitoxin system ccdAB in recurrent urinary tract infections

Urinary tract infections (UTIs) represent a significant challenge in clinical practice, with recurrent forms (rUTIs) posing a continual threat to patient health. Escherichia coli (E. coli) is the primary culprit in a vast majority of UTIs, both community-acquired and hospital-acquired, underscoring its clinical importance. Among different mediators of pathogenesis, toxin-antitoxin (TA) systems are emerging as the most prominent. The type II TA system, prevalent in prokaryotes, emerges as a critical player in stress response, biofilm formation, and cell dormancy. ccdAB, the first identified type II TA module, is renowned for maintaining plasmid stability. This paper aims to unravel the physiological role of the ccdAB in rUTIs caused by E. coli, delving into bacterial characteristics crucial for understanding and managing this disease. We investigated UPEC-induced rUTIs, examining changes in type II TA distribution and number, phylogenetic distribution, and Multi-Locus Sequence Typing (MLST) using polymerase chain reaction (PCR). Furthermore, our findings revealed that the induction of ccdB expression in E. coli BL21 (DE3) inhibited bacterial growth, observed that the expression of both ccdAB and ccdB in E. coli BL21 (DE3) led to an increase in biofilm formation, and confirmed that ccdAB plays a role in the development of persistent bacteria in urinary tract infections. Our findings could pave the way for novel therapeutic approaches targeting these systems, potentially reducing the prevalence of rUTIs. Through this investigation, we hope to contribute significantly to the global effort to combat the persistent challenge of rUTIs.

Case literature analysis of Fournier's gangrene caused by sodium-glucose protein-2 inhibitors

Objective

To analyze the clinical characteristics and correlation of Fournier's gangrene induced by sodium-glucose cotransporter protein-2 (SGLT-2) inhibitors, providing references for safe clinical drug use.

Methods

The CNKI, WanFang, and PubMed databases were searched, and relevant documents were collected and statistically analyzed. The basic information of patients, drug use information, adverse reactions and outcomes were extracted and analyzed.

Results

A total of 12 patients (8 males and 4 females) were included, with an average age of 55.6 years (ranging from 34 to 72 years). SGLT-2 inhibitors associated with Fournier's gangrene include empagliflozin (5 cases), dapagliflozin (5 cases), and canagliflozin (2 cases). Among them, 10 cases reported the time of first medication, ranging from 1 month to 6 years for the occurrence of adverse reactions. The most common concomitant drug was metformin (7 cases). Adverse reactions mainly manifested as redness, swelling and pain in the buttocks, perineum, perianal, scrotum and other positions, accompanied by an increased white blood cell count. Following surgery and antibiotic treatment, all patients showed improved.

Conclusion

Fournier's gangrene induced by SGLT-2 inhibitors is rare. If patients using SGLT-2 inhibitors are suspected of having Fournier's gangrene, it is recommended to discontinue the drugs immediately and initiate active treatment to ensure clinical safety.

SGLT2 inhibitors: Beyond glycemic control

Multiple randomized controlled trials have extensively examined the therapeutic effectiveness of sodium-glucose cotransporter 2 (SGLT2) inhibitors, ushering in a transformative approach to treating individuals with type 2 diabetes mellitus (DM). Notably, emerging reports have drawn attention to the potential positive impacts of SGLT2 inhibitors in nondiabetic patients. In an effort to delve into this phenomenon, a comprehensive systematic literature review spanning PubMed (NLM), Medline (Ovid), and Cochrane Library, covering publications from 2000 to 2024 was undertaken. This systematic review encompassed twenty-six randomized control trials (RCTs) involving 35,317 participants. The findings unveiled a multifaceted role for SGLT2 inhibitors, showcasing their ability to enhance metabolic control and yield cardioprotective effects through a reduction in cardiovascular death (CVD) and hospitalization related to heart failure (HF). Additionally, a renalprotective effect was observed, evidenced by a slowdown in chronic kidney disease (CKD) progression and a decrease in albuminuria. Importantly, these benefits were coupled with an acceptable safety profile. The literature also points to various biological plausibility and underlying mechanistic pathways, offering insights into the association between SGLT2 inhibitors and these positive outcomes in nondiabetic individuals. Current research trends indicate a continual exploration of additional role for SGLT2 inhibitors in. Nevertheless, further research is imperative to fully elucidate the mechanisms and long-term outcomes associated with the nondiabetic use of SGLT2 inhibitors.

Empagliflozin-A Sodium Glucose Co-transporter-2 Inhibitor: Overview ofits Chemistry, Pharmacology, and Toxicology

BACKGROUND

Empagliflozin is a sodium glucose co-transporter-2 (SGLT2) inhibitor that has gained significant attention in the treatment of type 2 diabetes mellitus. Understanding its chemistry, pharmacology, and toxicology is crucial for the safe and effective use of this medication.

OBJECTIVE

This review aims to provide a comprehensive overview of the chemistry, pharmacology, and toxicology of empagliflozin, synthesizing the available literature to present a concise summary of its properties and implications for clinical practice.

METHODS

A systematic search of relevant databases was conducted to identify studies and articles related to the chemistry, pharmacology, and toxicology of empagliflozin. Data from preclinical and clinical studies, as well as post-marketing surveillance reports, were reviewed to provide a comprehensive understanding of the topic.

RESULTS

Empagliflozin is a selective SGLT2 inhibitor that works by constraining glucose reabsorption in the kidneys, causing increased urinary glucose elimination. Its unique mechanism of action provides glycemic control, weight reduction, and blood pressure reduction. The drug's chemistry is characterized by its chemical structure, solubility, and stability. Pharmacologically, empagliflozin exhibits favorable pharmacokinetic properties with rapid absorption, extensive protein binding, and renal elimination. Clinical studies have demonstrated its efficacy in improving glycemic control, reducing cardiovascular risks, and preserving renal function. However, adverse effects, for instance, urinary tract infections, genital infections, and diabetic ketoacidosis have been reported. Toxicological studies indicate low potential for organ toxicity, mutagenicity, or carcinogenicity.

CONCLUSION

Empagliflozin is a promising SGLT2 inhibitor that offers an innovative approach to the treatment of type 2 diabetes mellitus. Its unique action mechanism and favorable pharmacokinetic profile contribute to its efficacy in improving glycemic control and reducing cardiovascular risks. While the drug's safety profile is generally favorable, clinicians should be aware of potential adverse effects and monitor patients closely. More study is required to determine the longterm safety and explore potential benefits in other patient populations. Overall, empagliflozin represents a valuable addition to the armamentarium of antidiabetic medications, offering significant benefits to patients suffering from type 2 diabetes mellitus. This study covers all aspects of empagliflozin, including its history, chemistry, pharmacology, and various clinical studies, case reports, and case series.

SGLT inhibitors for improving Healthspan and lifespan

Sodium-glucose cotransporter inhibitor/inhibition (SGLTi), initially approved as a glucose-lowering therapy for type 2 diabetes, is associated with decreased risks for many of the most common conditions of aging, including heart failure, chronic kidney disease, all-cause hospitalization, atrial fibrillation, cancer, gout, emphysema, neurodegenerative disease/dementia, emphysema, non-alcoholic fatty liver disease, atherosclerotic disease, and infections. Studies also show that SGLTi improves overall life expectancy and reduces risks of cardiovascular death and cancer death. These wide-ranging health benefits are largely unexplained by the SGLTi's modest improvements in standard risk factors. SGLTi produces upregulation of nutrient deprivation signaling and downregulation of nutrient surplus signaling. This in turn promotes autophagy, which helps to optimize cellular integrity and prevent apoptotic cell death. SGLTi decreases oxidative stress and endoplasmic reticulum stress, restores of mitochondrial health, stimulates mitochondrial biogenesis, and diminishes proinflammatory and profibrotic pathways. These actions help to revitalize senescent cells, tissues, and organs. In summary, SGLTi appears to slow aging, prevent disease, and improve life expectancy, and its mechanisms of action lend strong biological plausibility to this hypothesis. Further randomized trials are warranted to test whether SGLTi, a safe and well-tolerated, once-daily pill, might improve healthspan and lifespan.

Practical Guidance for the Use of SGLT2 Inhibitors in Heart Failure

Despite continuous advances in both diagnosis and management, heart failure (HF) still represents a major worldwide health issue. Recently, sodium-glucose co-transporter 2 inhibitors (SGLT2i) have demonstrated to reduce cardiovascular death and hospitalization for HF across the entire spectrum of left ventricular ejection fraction. Therefore, dapagliflozin, empagliflozin and sotagliflozin are now recommended as part of the foundational therapy of HF. These agents are characterized by limited contraindications, low cost, non-relevant adverse effects and no need for titration. Although they have a prominent role in the latest recommendations for HF, drug prescriptions are definitely lower than the number of potentially eligible patients. In fact, awareness gaps, therapeutic inertia, concerns about safety and simultaneous initiation of comprehensive medical therapy may represent barriers to their use. This article aims to offer an overview of current knowledge on SGLT2i in HF and provide a comprehensive and updated practical guide on their use in de novo and chronic HF, including potential scenarios that a clinician, cardiologist or others, may face in everyday clinical practice.

Role of Sodium-Glucose Co-Transporter 2 Inhibitors in Chronic Kidney Disease, Congestive Heart Failure and Stroke-A Review and Clinical Guide for Healthcare Professionals

Diabetic kidney disease (DKD) causes a progressive decline in renal function, leading to end-stage kidney disease (ESKD), and increases the likelihood of cardiovascular events and mortality. The recent introduction of the sodium-glucose co-transporter 2 (SGLT-2) inhibitor has been a game changer in managing chronic kidney disease (CKD) and congestive heart failure (CHF). These agents not only slow down the progression of kidney disease but also have cardioprotective benefits, including for patients with congestive heart failure and atherosclerotic cardiovascular disease. Some evidence suggests that they can decrease the risk of stroke as well. This review aims to provide a comprehensive overview of the role of SGLT-2 inhibitors in CKD and CHF and their efficacy in stroke prevention. This review includes a comparison with glucagon-like peptide-1 (GLP-1) agonist and finerenone; focuses on safety data, the potential benefits beyond glycemic control, and a review of significant trials; and provides guidance in clinical practice.

Emphysematous Kidney Related to the Use of Empagliflozin in a Diabetic Woman

Background/Objective

Sodium-glucose cotransporter-2 (SGLT2) inhibitors are part of the treatment for hyperglycemia in patients with diabetes. These drugs have shown important benefits including cardiovascular and renal protection among people with diabetes.

Case Report

We report a case of a 60-year-old woman with diabetes who presented to the emergency department complaining of left flank pain radiating to the groin. The patient was on multiple antidiabetic medications, including a recently added empagliflozin, considering the difficulty in controlling hyperglycemia. She quickly developed severe sepsis with shock, and imaging studies of the abdomen revealed the presence of encapsulated gas in the left kidney compatible with emphysematous pyelonephritis (EPN). There was no presence of nephrolithiasis or other anatomical or structural abnormality that could have precipitated this focal renal infection.Besides antimicrobials, fluid resuscitation, and vasopressor agents, an emergent surgical nephrectomy, as well as intensive care, was required until the patient fully recovered. Escherichia coli was isolated from the initial blood cultures, and ceftriaxone was administered. The patient was subsequently discharged home in stable condition. Two months later, the patient was readmitted with near-syncope and abdominal pain, which was found to be related to small bowel obstruction. The patient decompensated rapidly and had a cardiac arrest even before surgical evaluation. She was resuscitated and admitted to the intensive care unit but showed no signs of neurologic recovery after the anoxic event. She did not survive this hospitalization.

Discussion

The exposure of SGLT2 inhibitors in this patient seemed to have been the precipitating factor for development of complicated pyelonephritis with gas gangrene. EPN is a consequence of a severe renal parenchymal infection, which carries high mortality even with prompt treatment.

Conclusion

Use of SGLT2 inhibitors has expanded worldwide as there are clear clinical benefits, but we need to recognize their uncommon yet potentially fatal complications, such as EPN.

SGLT2 Inhibitors as Potential Anticancer Agents

Sodium-glucose cotransporter 2 (SGLT2) serves as a critical glucose transporter that has been reported to be overexpressed in cancer models, followed by increased glucose uptake in both mice and humans. Inhibition of its expression can robustly thwart tumor development in vitro and in vivo. SGLT2 inhibitors are a comparatively new class of antidiabetic drugs that have demonstrated anticancer effects in several malignancies, including breast, liver, pancreatic, thyroid, prostate, and lung cancers. This review aims to assess the extent of SGLT involvement in different cancer cell lines and discuss the pharmacology, mechanisms of action, and potential applications of SGLT2 inhibitors to reduce tumorigenesis and its progression. Although these agents display a common mechanism of action, they exhibit distinct affinity towards the SGLT type 2 transporter compared to the SGLT type 1 transporter and varying extents of bioavailability and half-lives. While suppression of glucose uptake has been attributed to their primary mode of antidiabetic action, SGLT2 inhibitors have demonstrated several mechanistic ways to combat cancer, including mitochondrial membrane instability, suppression of β-catenin, and PI3K-Akt pathways, increase in cell cycle arrest and apoptosis, and downregulation of oxidative phosphorylation. Growing evidence and ongoing clinical trials suggest a potential benefit of combination therapy using an SGLT2 inhibitor with the standard chemotherapeutic regimen. Nevertheless, further experimental and clinical evidence is required to characterize the expression and role of SGLTs in different cancer types, the activity of different SGLT subtypes, and their role in tumor development and progression.

Evaluating the Safety of Sodium-Glucose Cotransporter-2 Inhibitors in a Nationwide Veterans Health Administration Observational Cohort Study

Sodium-glucose cotransporter-2 inhibitors (SGLT-2is) are indicated in patients with or without type 2 diabetes mellitus atherosclerotic cardiovascular disease, chronic kidney disease, or heart failure. Postmarket surveillance data have identified many safety signals which warrants further investigation. We aimed to compare the safety of SGLT-2i and glucagon-like peptide-1 receptor agonists (GLP-1RA). Using the Veterans Health Administration nationwide database, patients with type 2 diabetes mellitus who were newly initiated on a SGLT-2i or GLP-1RA between April 1, 2013 and September 1, 2020 were identified. The primary outcome was the incidence of any amputation, below-knee amputation (BKA), all clinical fractures, hip fracture, Fournier gangrene, acute pancreatitis, diabetic ketoacidosis (DKA), serious urinary tract infections (UTIs), and venous thromboembolism (VTE). All outcomes were compared between the treatment groups. Cox proportional hazard models were used to estimate adjusted hazard ratios (aHRs) for the comparative analysis. A total of 70,694 propensity-matched new users of SGLT-2i and GLP-1RA were identified. The use of SGLT-2 inhibitors, compared with GLP-1RA, was not associated with an increased rate of any amputation (aHR 1.02, 95% confidence interval [CI] 0.82 to 1.27), BKA (aHR 1.05, 95% CI 0.84 to 1.32), all clinical fractures (aHR 0.94, 95% CI 0.86 to 1.03), hip fractures (aHR 0.82, 95% CI 0.50 to 1.32), DKA (aHR 1.66, 95% CI 0.97 to 2.85), VTE (aHR 1.02, 95% CI 0.80 to 1.30), acute pancreatitis (aHR 1.02, 95% CI 0.80 to 1.30), and Fournier gangrene (aHR 0.92 95% CI 0.61 to 1.38). Lower rates of serious UTIs were observed in the SGLT-2i group than in the GLP-1RA group (aHR 0.74, 95% CI 0.64 to 0.84). This real-world study found that SGLT-2i use compared with GLP-1RA did not increase the rate of amputation, BKA, clinical fractures, hip fracture, Fournier gangrene, acute pancreatitis, DKA, serious UTIs, and VTE in veteran patients.

Sodium-Glucose Cotransporter-2 (SGLT2) Inhibitor Therapy for the Primary and Secondary Prevention of Heart Failure in Patients With and Without Type 2 Diabetes Mellitus: A Systematic Review

The global prevalence of heart failure (HF) is rising and carries a heavy social and economic burden. Type 2 diabetes mellitus (T2DM) patients are at an increased risk of incident HF even in the absence of cardiovascular risk factors. Patients with established HF are at an increased risk of death following a worsening HF event. Various trials on sodium-glucose cotransporter-2 (SGLT2) inhibitors have shown that these novel drugs prevent incident HF and reduce the risk of worsening HF in both patients with T2DM and those without diabetes. This literature review analyzed the data from 13 randomized controlled trials that met the pre-specified inclusion criteria. The aim was to compare the clinical outcomes of SGLT2 inhibitors for primary and secondary prevention of HF in patients with T2DM and those without diabetes. In addition, this study collated and summarized the patients' clinical characteristics with respect to the clinical outcome, and finally, it evaluated the safety considerations when using SGLT2 inhibitors. The data showed that SGLT2 inhibitors are effective and safe in the primary and secondary prevention of HF across a broad spectrum of patient populations and care settings. Therefore, wider eligibility for their use should be considered.

SGLT-2 Inhibitors in Heart Failure: A Review of Current Evidence

Sodium-glucose co-transporter 2 (SGLT-2) inhibitors are the latest addition to guideline-directed medical therapy in heart failure (HF) with reduced ejection fraction with recent trials suggesting a significant reduction in adverse cardiovascular outcomes in patients with HF with mildly reduced and preserved ejection fraction. SGLT-2 inhibitors have evolved as metabolic drugs due to their multi-system effects and are indicated for the management of HF across the ejection fraction spectrum, type 2 diabetes, and chronic kidney disease. There is ongoing research to explore the mechanistic effects of SGLT-2 inhibitors in HF and to evaluate their use in worsening HF and after myocardial infarction. This review focuses on the evidence for SGLT-2 inhibitors from type 2 diabetes cardiovascular outcome and primary HF trials and discusses ongoing research related to their use in cardiovascular disease.

Sodium-Glucose Cotransporter-2 (SGLT-2) Inhibitors Use among Heart Failure Patients and the Role of Pharmacists in Early Initiation of Therapy

Heart failure (HF) is a growing major public health and economic concern in the United States and worldwide. Heart failure mortality rates can be as high as 75% despite advances in therapies. HF is expected to be the fastest growing among all cardiovascular diseases, with HF-associated direct medical costs projected to nearly double over the next 10 years. Hospital admissions, re-admission, and medical cost are a huge burden to the healthcare system, and this is estimated to have increased gradually over the past decades despite the available advances in HF treatment and prevention. Many heart failure therapies have shown improvement in terms of mortality, morbidity, and symptomatic management. Guideline-directed medical therapy (GDMT) for heart failure has proven its ability to reduce morbidity and mortality by 66%. GDMT is recommended to be used among all HF patients when appropriate. In recent years, two new drug classes, angiotensin receptor-neprilysin inhibitor (ARNi) and sodium-glucose cotransporter-2 (SGLT-2) inhibitors, were approved by the United States Food and Drug Administration (US FDA) for the management of heart failure. The exact mechanism by which the SGLT-2 inhibitors attenuate the inflammatory process remains unclear. Several mechanisms have been suggested related to the cardiovascular benefit of SGLT-2 inhibitors, including a reduction in inflammation, improvement in natriuresis/diuresis, and promotion of the use of ketones as a secondary energy source. Clinical data showed that SGLT-2 inhibitors have morbidity and mortality benefits within 30 days of initiation. Studies have proven that clinical pharmacists practicing in HF inpatient and outpatient settings resulted in a reduction of HF hospitalization and an increase in the uptake of GDMT by initiating or up-titrating GDMT agents as well as providing patient education.

Sex differences in type 2 diabetes

The prevalence of type 2 diabetes mellitus is increasing in both sexes, but men are usually diagnosed at a younger age and lower body fat mass than women. Worldwide, an estimated 17.7 million more men than women have diabetes mellitus. Women appear to bear a greater risk factor burden at the time of their type 2 diabetes diagnosis, especially obesity. Moreover, psychosocial stress might play a more prominent role in diabetes risk in women. Across their lifespan, women experience greater hormone fluctuations and body changes due to reproductive factors than men. Pregnancies can unmask pre-existing metabolic abnormalities, resulting in the diagnosis of gestational diabetes, which appears to be the most prominent risk factor for progression to type 2 diabetes in women. Additionally, menopause increases women's cardiometabolic risk profile. Due to the progressive rise in obesity, there is a global increase in women with pregestational type 2 diabetes, often with inadequate preconceptual care. There are differences between men and women regarding type 2 diabetes and other cardiovascular risk factors with respect to comorbidities, the manifestation of complications and the initiation of and adherence to therapy. Women with type 2 diabetes show greater relative risk of CVD and mortality than men. Moreover, young women with type 2 diabetes are currently less likely than men to receive the treatment and CVD risk reduction recommended by guidelines. Current medical recommendations do not provide information on sex-specific or gender-sensitive prevention strategies and management. Thus, more research on sex differences, including the underlying mechanisms, is necessary to increase the evidence in the future. Nonetheless, intensified efforts to screen for glucose metabolism disorders and other cardiovascular risk factors, as well as the early establishment of prophylactic measures and aggressive risk management strategies, are still required for both men and women at increased risk of type 2 diabetes. In this narrative review we aim to summarise sex-specific clinical features and differences between women and men with type 2 diabetes into risk factors, screening, diagnosis, complications and treatment.

Fournier's gangrene and diabetic ketoacidosis with lower-than-anticipated glucose levels associated with SGLT-2 inhibitor: A double trouble

Empagliflozin has a demonstrated cardiovascular benefit. It is co-prescribed as a glucose-lowering medication in patients with type II diabetes mellitus. Herein, we discuss dual-emergency side-effects, Fournier's gangrene (FG) and diabetic ketoacidosis with lower-than-anticipated glucose levels in a patient on Empagliflozin, a sodium-glucose transport protein 2 inhibitor (SGLT-2i). The pathophysiologic mechanism of FG in correlation with SGLT-2i is not yet elucidated. SGLT-2i increase predisposition to genital mycotic and urinary infections, a mechanism favouring FG. A patient with type II diabetes mellitus on SGLT-2i presented with acute necrotic infection of the scrotum and simultaneous diabetic ketoacidosis with lower-than-anticipated glucose levels. This dual emergency was managed with debridement and medical treatment on lines of diabetes ketoacidosis, respectively. A re-look at this group of glucose-lowering medications from bedside towards benchtop research may help to prod into any other mechanistic basis of these life-threatening clinical occurrences.

The real-world safety profile of sodium-glucose co-transporter-2 inhibitors among older adults (≥ 75 years): a retrospective, pharmacovigilance study

BACKGROUND

As indications for sodium-glucose co-transporter-2 inhibitors (SGLT2i) are expanding, a growing number of older adults have become candidates for treatment. We studied the safety profile of SGLT2i among older adults.

METHODS

A retrospective, pharmacovigilance study of the FDA's global database of safety reports. To assess reporting of pre-specified adverse events following SGLT2i among adults (< 75 years) and older adults (≥ 75), we performed a disproportionality analysis using the sex-adjusted reporting odds ratio (adj.ROR).

RESULTS

We identified safety reports of 129,795 patients who received non-insulin anti-diabetic drugs (NIAD), including 24,253 who were treated with SGLT2i (median age 60 [IQR: 51-68] years, 2,339 [9.6%] aged ≥ 75 years). Compared to other NIAD, SGLT2i were significantly associated with amputations (adj.ROR = 355.1 [95%CI: 258.8 - 487.3] vs adj.ROR = 250.2 [79.3 - 789.5]), Fournier gangrene (adj.ROR = 45.0 [34.5 - 58.8] vs adj.ROR = 88.0 [27.0 - 286.6]), diabetic ketoacidosis (adj.ROR = 32.3 [30.0 - 34.8] vs adj.ROR = 23.3 [19.2 - 28.3]), genitourinary infections (adj.ROR = 10.3 [9.4 - 11.2] vs adj.ROR = 8.6 [7.2 - 10.3]), nocturia (adj.ROR = 5.5 [3.7 - 8.2] vs adj.ROR = 6.7 [2.8 - 15.7]), dehydration (adj.ROR = 2.5 [2.3 - 2.8] vs adj.ROR = 2.6 [2.1 - 3.3]), and fractures (adj.ROR = 1.7 [1.4 - 2.1] vs adj.ROR = 1.5 [1.02 - 2.1]) in both adults and older adults, respectively. None of these safety signals was significantly greater in older adults (P_interaction threshold of 0.05). Acute kidney injury was associated with SGLT2i in adults (adj.ROR = 1.97 [1.85 - 2.09]) but not in older adults (adj.ROR = 0.71 [0.59 - 0.84]). Falls, hypotension, and syncope were not associated with SGLT2i among either adults or older adults.

CONCLUSION

In this global post-marketing study, none of the adverse events was reported more frequently among older adults. Our findings provide reassurance regarding SGLT2i treatment in older adults, although careful monitoring is warranted.

Bibliometric insights in fournier's gangrene: Research landscapes, turning points, and global trends

Study Design

Bibliometric and visualization analysis.

Objective

To analyze the research landscapes and hotspots of Fournier's gangrene, and reveal the dynamic changes and development trend of research hotspots for the purpose of providing ideas and a basis for clinical and basic research in this field.

Methods

Research datasets were acquired from the Web of Science. The publication years were limited from January 1, 1900 to August 5, 2022. The bibliometric tools CiteSpace (v5.8) and VOSviewer (v1.6) were used to analyze the data and generate visualization knowledge maps. Trends in annual publications, distribution, H-index status, coauthorships status and research hotspots were analyzed.

Results

According to the search strategy, we identified and enrolled 688 publications regarding to Fournier's gangrene. The number of published papers showed an overall upwards trend. The USA was the largest contributor, ranking first in total publications, citations and the H-index. The top 10 most productive institutions were all from the USA. De Simone B and Sartelli M were the most productive authors. There was close cooperation among countries, but the cooperation among institutions and authors had little contact and poor interactivity. The research hotspots included the pathogenesis factors and treatment. All the identified keywords were divided into 14 clusters, and the label of the latest cluster was "empagliflozin". Prognosis and risk factors, emerging treatment methods, and pathogenesis were at the forefront of the Fournier's gangrene field and were predicted to be the next hot topics.

Conclusion

The research of Fournier's gangrene has made some achievements, but the overall research level is still in the primary stage. The academic cooperation between different institutions and authors needs to be strengthened. At the early stage, the mainstream of research was the infected tissue and site, pathogenesis, and diagnosis of disease, while research on newly discovered sodium-glucose cotransporter 2 inhibitor, adjuvant therapy and prognostic factors may be the main directions in the future.

A Review of the Mechanism of Action of Drugs Used in Congestive Heart Failure in Pediatrics

Congestive heart failure (CHF) is a complex, heterogeneous medically ill condition that can occur due to diverse primary (cardiomyopathies, coronary artery diseases, and hypertension) and secondary causes (high salt intake and noncompliance toward treatment) and leads to significant morbidity and mortality. The approach toward managing the patient of CHF in the pediatric age group is more complex than in the adult population. Currently, in the adult group of the population of CHF, there are well-established guidelines for managing these patients, but in the case of children, there are no well-established guidelines; therefore, this systematic review gives more ideas for managing the pediatric population undergoing CHF. Treatment of the underlying cause, rectification of any advancing event, and management of pulmonary or systemic obstruction are the principles for management. The most widely used drugs are diuretics and angiotensin-converting enzyme (ACE) inhibitors, whereas beta-blockers are less commonly used in children than in adults. ACE inhibitors such as captopril, enalapril, and cilazapril are widely used in the pediatric age group. ACE inhibitors act on the renin-angiotensin-aldosterone system (RAAS) similar to those in the adult population. In children with heart failure (HF), ACE inhibitors reduce the pressure in the aorta, resistance in the systemic blood vessels, and upper left and right chamber pressures but do not appreciably influence pulmonary vascular resistance. We use a patient's initial perfusion and volume status assessment to decide further action for the supervision of acute HF. This paradigm was adopted from adult studies that showed higher rates of morbidity and mortality in patients with HF whose hemodynamic or volume status assessment results were stable with a pulmonary capillary wedge pressure >18 mmHg and a combined index (CI) of 2.2 L/minute/m². ACE inhibitors, beta-blockers, and spironolactone are the most widely prescribed drugs for the chronic condition of CHF. This study shows the current status of medical therapy for critical as well as persistent pediatric HF.

Progress in Multidisciplinary Treatment of Fournier's Gangrene

Fournier's gangrene (FG) is a life-threatening and special form of necrotizing fasciitis, characterized by occult onset, rapid progress and high mortality, occurring mainly in men over 50 years of age. Risk factors of FG include diabetes, HIV infection, chronic alcoholism and other immunosuppressive state. FG was previously considered as an idiopathic disease, but in fact, three quarters of the infections originated from the skin, urethra and gastrointestinal tract. Initial symptoms of FG are often inconsistent with severity and can progress promptly to fatal infection. Although the treatment measures of FG have been improved in recent years, the mortality does not seem to have decreased significantly and remains at 20% - 30%. The time to identify FG and the waiting period before surgical debridement are directly related to the prognosis. Therefore, in addition to the combination of intensive fluid resuscitation and broad-spectrum antibiotics, treatment of FG should particularly emphasize the importance of early surgical debridement assisted with fecal diversion and skin reconstruction when necessary. This paper is to briefly summarize the progress in the definition, epidemiology, clinical manifestations, diagnosis, treatment and prognosis of Fournier's gangrene in recent years, more importantly, illustrates the importance of multidisciplinary cooperation in the management of FG.

Sodium-Glucose Cotransporter-2 (SGLT-2) Inhibitors and Genital Infections in Patients With Diabetic Mellitus and Concomitant Coronary Artery Disease: A Single-Center Experience

Objective To investigate the incidence of genital infection due to the use of sodium-glucose cotransporter-2 (SGLT-2) inhibitors in patients with type 2 diabetes mellitus (T2DM) concomitant coronary artery diseases (CAD). Methods A single-center, physician-initiated study was conducted at a tertiary-care center in India. The study enrolled patients with T2DM who were taking SGLT-2 inhibitors for at least two months and divided them into two groups: patients with concomitant CAD as the case group and without CAD as the control group. Demographic data and medical history of patients were documented using a standard questionnaire. Itching and swelling were the signs used for the diagnosis of genital infection. Results A total of 270 consecutive patients with T2DM were enrolled and divided into two groups: 48 patients with CAD as the case group and 222 patients without CAD as the control group. The mean age of patients with CAD was 63.27±7.53 years and without CAD was 58.32±14.89 years. The mean HbA1C levels were 8.40±1.71% in the case group and 8.60±7.20% in the control group. A total of 14.6% of patients with CAD and 12.6% of patients without CAD were found to have genital infections (p=0.712). SGLT-2 inhibitors were stopped in only six patients who had genital infections and all the patients were managed using anti-fungal cream and via maintenance of proper hygiene. The overall incidence of genital infection was about 12.96%, of which only 2.7% required discontinuation of this crucial therapy. Conclusion In conclusion, the incidence of genital infection with the use of SGLT-2 inhibitors is similar among patients with T2DM with concomitant CAD and without CAD. The measures to prevent genital infection should be strongly emphasized. However, larger, well-designed studies are required to validate the current findings.

Clinical Evaluation of Dapagliflozin in the Management of CKD: Focus on Patient Selection and Clinical Perspectives

Dapagliflozin is a selective sodium-glucose cotransporter 2 (SGLT2) inhibitor that was recently approved in the USA and the EU for the treatment of adults with chronic kidney disease (CKD) with or without diabetes mellitus (DM). The DAPA-CKD trial showed a 39% decline in the risk of worsening kidney function, onset of end-stage kidney disease, or kidney failure-related death. Patients with lower levels of eGFR and higher levels of albuminuria are among those who stand to gain the greatest absolute benefits. These benefits were similar in both patients with or without diabetes, thus undermining the hypothesis that these drugs mitigate glycemia-related nephrotoxicity. Suggested mechanisms for renal protection include hemodynamic effects; BP reduction and improving salt sensitivities and metabolic effects; and glucose, uric acid and triglycerides (TG)-lowering effects. There have been already many excellent reviews on dapagliflozin and CKD management. Most of them cover both efficacy and safety. This review will focus on clinical perspectives and patient selection for the practicing clinician.

Safety of sodium-glucose cotransporter 2 inhibitors in Asian type 2 diabetes populations

The prevalence of type 2 diabetes mellitus continues to increase in many Asian countries, with possible contributing factors, such as younger-onset disease, diabetes development at lower body mass index, higher visceral fat accumulation and poorer β-cell function, among Asian populations. Sodium-glucose cotransporter 2 inhibitors have been shown to confer favorable effects in type 2 diabetes mellitus patients, such as improved glycemic control, weight and blood pressure reduction, and importantly, cardiorenal benefits. Sodium-glucose cotransporter 2 inhibitors are generally well-tolerated, and have a well-defined safety profile based on evidence from numerous clinical trials and post-marketing pharmacovigilance reporting. To our knowledge, this review is the first to provide a comprehensive coverage of the adverse events of sodium-glucose cotransporter 2 inhibitors, as well as their management and counseling aspects for Asian type 2 diabetes mellitus populations.

Considerations and possibilities for sodium-glucose cotransporter 2 inhibitors in pediatric CKD

Sodium-glucose cotransporter 2 inhibitors (SGLT2is) were originally developed as glucose-lowering agents. These medications function by inhibiting glucose and sodium reabsorption in the S1 segment of the proximal tubule. Early clinical trials in adults with type 2 diabetes mellitus (T2DM) suggested a significant improvement in kidney and cardiovascular outcomes with SGLT2i therapy. Since then, SGLT2is have become a mainstay treatment for adult patients with CKD. A growing body of research has explored deploying these medications in new clinical contexts and investigated the mechanisms underlying their physiologic effects. However, patients under the age of 18 years have been largely excluded from all major trials of SGLT2i. This review aims to summarize the available clinical evidence, physiology, and mechanisms relating to SGLT2is to inform discussions about their implementation in pediatrics.

Safety profile of sodium glucose co-transporter 2 (SGLT2) inhibitors: A brief summary

A new therapeutic class of oral agents firstly used for the treatment of type 2 diabetes mellitus is represented by gliflozines or sodium-glucose co-transporter 2 (SGLT2) inhibitors. SGLT2 inhibitors might be effective alone or in combination with any other drugs. This therapeutic class currently includes five agents: canagliflozin, dapagliflozin, empagliflozin, ertugliflozin, and sotagliflozin. SGLT2 inhibitors prevent the renal reabsorption of filtered glucose and sodium by blocking the SGLT2 co-transporters in the proximal convoluted renal tubule, facilitating glucose excretion in the urine (glycosuria) and lowering blood glucose levels. SGLT2 inhibitors have also shown to have pleiotropic effects and determine cardiovascular and renal prevention, thus leading to an extension of their therapeutic indication to include the heart failure. Despite their clinical benefits, warnings about adverse events have been implemented by Regulatory Agencies in the product's information since their introduction to the market. In particular, SGLT2 inhibitors have shown a strong impact on a high number of risk factors. They can cause hypoglycaemia, hypotension, lower limb amputation, fractures, genito-urinary infections, and diabetic ketoacidosis with different frequencies of onset. Despite some of these events are rare, they can lead to serious and dangerous complications, highlighting the importance of a strict monitoring of patients. Overall, SLGT-2 inhibitors are effective antidiabetic drugs with favorable advantages in renal and cardiovascular protection, and with a generally well-tolerated safety profile. This review aims to summarize the safety profile of SGLT2 inhibitors available in the market.

SGLT2 Inhibitors in Patients with Chronic Kidney Disease and Heart Disease: A Literature Review

Sodium-glucose transport protein 2 inhibitors, commonly referred to as SGLT2i, are a group of prescription pharmaceuticals that are approved by the United States Food and Drug Administration for use with diet and exercise to lower blood glucose in adults with type 2 diabetes. Diabetes is a well-recognized major contributor to cardiovascular and renal disease burden. In addition to blood glucose control, SGLT2i have been shown to provide significant cardiovascular and renoprotective benefits in patients with and without diabetes. In this review, we describe current evidence related to the renal and cardiovascular benefits of using SGLT2i.

The dual role of empagliflozin: Cardio renal protection in T2DM patients

Empagliflozin (Jardiance®) is an insulin independent antihyperglycemic agent used in treatment of T2D.The drug is a sodium glucose cotransporter-2 (SGLT2) inhibitor approved in USA and Europe and other countries of the world. As empagliflozin demonstrates cardioprotective and Reno protective properties its prime target are patients having CVD and CKD complicated by T2D.

This review sheds light on mechanism of action of the drug and with the help of clinical outcomes establishes the use of empagliflozin in T2D patients.

Although empagliflozin is a well-tolerated and easy to administer drug, it has some side effects and contraindications which are discussed in the article to help the reader weigh its beneficial effects against its adverse effect and understand its use in clinical medicine.

Fournier’s Gangrene: A Coexistence or Consanguinity of SGLT-2 Inhibitor Therapy

Background: Sodium-glucose cotransporter-2 inhibitors (SGLT2 inhibitors) are a relatively new class of medications used for the management of type II diabetes mellitus targeting the kidneys. Within the last decade, several warnings have been issued regarding the development of severe genitourinary infections, including necrotizing fasciitis, or Fournier’s gangrene, in those with pre-existing type II diabetes and concomitant use of this drug class.

Objective: The purpose of this review is to highlight and discuss the factors contributing to the development of Fournier’s gangrene, its pathogenesis, and a review of existing literature describing patient outcomes, treatment, and future directions regarding early detection of this complication.

Methods: Articles and studies addressing effective treatment adherence and key factors contributing to Fournier’s gangrene with SGLT2 inhibitors were identified by effective keyword searches in PubMed Central, Google Scholar, and Cochrane, as well as the references found within these articles.

Results: Using the keywords provided, 55 case reports, review articles, and meta-analysis reports written within the last 20 years were utilized as the source of the data presented in this systematic review article.

Five comparative cohorts to assess the risk of genital tract infections associated with sodium-glucose cotransporter-2 inhibitors initiation in type 2 diabetes mellitus

AIM

To assess the association between SGLT-2 inhibitors initiation and genital tract infections (GTIs) among patients with type 2 diabetes.

METHODS

A population-based cohort study using administrative healthcare data from Alberta, Canada, and primary care data from the UK's Clinical Practice Research Datalink (CPRD). Among new metformin users, we identified new users of SGLT-2 inhibitors and five active comparator cohorts (new users of dipeptidyl peptidase-4 (DPP-4) inhibitors, sulfonylureas (SU), glucagon-like peptide-1 receptor agonists (GLP-1 RA), thiazolidinediones (TZD) and insulin). The outcome of interest was a composite GTI outcome. In each cohort, we used high-dimensional propensity score matching to adjust for confounding and conditional Cox proportional hazards regression to estimate the hazard ratios (HR). We used random-effects meta-analysis to combine aggregate data across databases.

RESULTS

The risk of GTI was higher for SGLT-2 inhibitors users compared with DPP4inhibitor users (pooled HR 2.68, 95% CI 2.19 3.28), SU users (3.29, 2.62-4.13), GLP1-RA users (2.51, 1.90-3.31), TZD users (4.17, 2.46-7.08) and insulin users (1.86, 1.27-2.73).

CONCLUSION

In five comparative cohorts, SGLT-2 inhibitors initiation is associated with a higher risk of GTIs. These findings from real-world data are consistent with placebo-controlled randomized controlled trials.

Sodium–Glucose Cotransporter 2 Inhibitors in Heart Failure with Preserved Ejection Fraction: Rationale for and Practical Use of a Successful Therapy

Heart failure (HF) with preserved left ventricular ejection fraction is a common disease with a poor prognosis and rising prevalence in the community. The current paradigm of treatment includes symptomatic therapy, such as diuretics, and risk factor control and treatment of comorbidities. According to European guidelines, there is no effective therapy for patients with HF with left ventricular ejection fraction (LVEF) ≥50%, while drugs normally used in HF with reduced LVEF might also be effective for patients with mildly reduced LVEF (40–50%), with a IIB class of recommendation. The recently published EMPEROR-Preserved trial has challenged current guidelines, demonstrating improved outcomes in patients with HF and LVEF >40% with the sodium–glucose cotransporter 2 inhibitor (SGLT2I) empagliflozin, compared with placebo. This result was consistent in patients with and without diabetes as well as in those with LVEF below and above 50%. The authors describe the rationale for this therapy, presenting the main results of the EMPEROR-Preserved trial, and provide some recommendations for the everyday clinical management of HF with preserved left ventricular ejection with an SGLT2I.

Fournier’s Gangrene under Sodium–Glucose Cotransporter-2 Inhibitors Therapy in Gynecological Patients

Fournier’s gangrene (FG) is a serious pathology of the soft tissues and fascia of the perineum and genital region with a high morbidity and mortality rate. In recent years, the SGLT-2 inhibitor oral antidiabetic has been related to this entity. According to the new warnings from the main drug agencies, a compilation of cases has been initiated to establish or deny a possible causal relationship. Most of these cases have been reported in men. However, it is important not to underestimate this entity in the gynecological field, since it is extremely serious and requires intense and rapid aggressive treatment based on surgery and empiric antibiotherapy. Later, some cares are needed to involve surgical reconstruction of the defects introduced by debridement. As a result of the low incidence of FG, clinical trials’ data may be insufficient to robustly assess this issue because of the limited numbers of participants. Real-world evidence may help to clarify the association between SGLT2i and FG. The aim of this review is to describe and compare the reported cases of GF in diabetic women who received SGLT2 inhibitors as antiglycemic agents.

SGLT2 Inhibitors: A Broad Impact Therapeutic Option for the Nephrologist

Since their introduction as antidiabetic drugs, SGLT2 inhibitors (SGLT2i) have come a long way, proving to be beneficial on cardiovascular and renal outcomes independently of diabetes status. The benefits go far beyond glycemic control, and both the cardio- and nephroprotection are underpinned by diverse mechanisms. From the activation of tubule glomerular feedback and the consequent reduction in hyperfiltration to the improvement of hypoxia and oxidative stress in the renal cortex, SGLT2i have also been shown to inhibit hepcidin and limit podocyte damage. Likewise, they improve cardiac metabolism and bioenergetics, and reduce necrosis and cardiac fibrosis and the production of adipokines, cytokines, and epicardial adipose tissue mass. In terms of outcomes, the efficacy has been demonstrated on blood pressure control, BMI, albuminuria, stroke, heart disease, and mortality rate due to cardiovascular events. Patients with chronic kidney disease and proteinuria, with or without diabetes, treated with some SGLT2i have a reduced risk of progression. The analysis of subgroups of individuals with specific diseases such as IgA nephropathy has confirmed this solid effect on renal outcomes. Given these overarching activities on such a broad pathophysiological background and the favorable safety profile that goes with the use of SGLT2i, it is now certain that they are changing our approach to clinical interventions for important outcomes with an impressive impact.

Growing role of SGLT2i in heart failure: evidence from clinical trials

INTRODUCTION

: There is an unmet need for therapies that improve overall mortality and morbidity for patients with preserved ejection fraction, who comprise roughly half of all heart failure (HF) cases. The growing role of sodium-glucose cotransporter-2 inhibitors (SGLT2is) in cardiovascular outcomes provide a paradigm shift in the treatment of HF.

AREAS COVERED

: This review article provides a general overview of the growing role of SGLT2is and summarizes the mechanism of action, side effects, and contraindications for the treatment of HF. We also discuss recent clinical trials measuring the effects of different SGLT2is as possible treatment options for HF with reduced ejection fraction and HF with mid-range and preserved EF. We conducted a review of all the randomized, controlled studies with SGLT2is in patients with known heart failure with and without type-2 diabetes (T2DM). We performed a literature search in PubMed, Google Scholar, the Web of Science, and the Cochrane Library while screening results by the use of titles and abstracts.

EXPERT OPINION

: The promising pathophysiological profile of SGLT2i and their role in cardioprotective effects demonstrate an invaluable discovery in the management of patients with HF irrespective of their diabetes status.

Glucagon-like peptide-1 receptor agonists and sodium-glucose cotransporter 2 inhibitors for cardiovascular and renal protection: A treatment approach far beyond their glucose-lowering effect

Findings from cardiovascular outcome trials on certain newer glucose-lowering drugs have shown clear cardiovascular and renal benefits. In this review, we provide an updated overview of glucagon-like peptide-1 (GLP-1) receptor agonists and sodium-glucose cotransporter 2 (SGLT-2) inhibitors in terms of cardiovascular and renal protection. Both drugs have been described as diabetes/disease-modifying drugs. There is robust evidence on the benefits of GLP-1 receptor agonists in renal disease and atherosclerotic cardiovascular disease-especially in stroke-which are mainly explained by their antiproteinuric effect. However, this class of drugs has only shown neutral effects on heart failure and further studies are necessary in order to assess their role in this disease. SGLT-2 inhibitors have shown strong benefits in heart failure hospitalizations and renal outcomes, mainly through limiting glomerular filtration rate deterioration, regardless of the presence of diabetes. Nonetheless, their effect on the prevention of major adverse atherosclerotic cardiovascular events and cardiovascular mortality seems to be limited to patients with type 2 diabetes and established cardiovascular disease. Evidence on the cardiovascular and renal benefits of GLP-1 receptor agonists and SGLT-2 inhibitors have significantly modified management plans and treatment choices for patients with type 2 diabetes. There is now a focus on a multifactorial approach that goes beyond the glucose-lowering effect of these drugs, which are the preferred choice in routine clinical practice. According to the current evidence, a patient-focused approach that includes both individualized glycemic control and cardiorenal prevention using GLP-1 receptor agonists and SGLT-2 inhibitors with proven cardiovascular and renal benefits is believed to be the best strategy for achieving the treatment goals of patients with type 2 diabetes. Despite the strong cardiovascular and renal benefits of these drugs, further research is required in order to clarify questions that remain unanswered.

Comprehensive Management of Cardiovascular Risk Factors for Adults With Type 2 Diabetes: A Scientific Statement From the American Heart Association

Cardiovascular disease remains the leading cause of death in patients with diabetes. Cardiovascular disease in diabetes is multifactorial, and control of the cardiovascular risk factors leads to substantial reductions in cardiovascular events. The 2015 American Heart Association and American Diabetes Association scientific statement, "Update on Prevention of Cardiovascular Disease in Adults With Type 2 Diabetes Mellitus in Light of Recent Evidence," highlighted the importance of modifying various risk factors responsible for cardiovascular disease in diabetes. At the time, there was limited evidence to suggest that glucose-lowering medications reduce the risk of cardiovascular events. At present, several large randomized controlled trials with newer antihyperglycemic agents have been completed, demonstrating cardiovascular safety and reduction in cardiovascular outcomes, including cardiovascular death, myocardial infarction, stroke, and heart failure. This AHA scientific statement update focuses on (1) the evidence and clinical utility of newer antihyperglycemic agents in improving glycemic control and reducing cardiovascular events in diabetes; (2) the impact of blood pressure control on cardiovascular events in diabetes; and (3) the role of newer lipid-lowering therapies in comprehensive cardiovascular risk management in adults with diabetes. This scientific statement addresses the continued importance of lifestyle interventions, pharmacological therapy, and surgical interventions to curb the epidemic of obesity and metabolic syndrome, important precursors of prediabetes, diabetes, and comorbid cardiovascular disease. Last, this scientific statement explores the critical importance of the social determinants of health and health equity in the continuum of care in diabetes and cardiovascular disease.

Safety of SGLT2 Inhibitors: A Pharmacovigilance Study from 2013 to 2021 Based on FAERS

Background: Sodium-glucose co-transporter-2 inhibitors (SGLT2is) are widely used in clinical practice for their demonstrated cardiorenal benefits, but multiple adverse events (AEs) have been reported. We aimed to describe the distribution of SGLT2i-related AEs in different systems and identify important medical event (IME) signals for SGLT2i.

Methods: Data from the first quarter (Q1) of 2013–2021 Q2 in FAERS were selected to conduct disproportionality analysis. The definition of AEs and IMEs relied on the system organ classes (SOCs) and preferred terms (PTs) by the Medical Dictionary for Regulatory Activities (MedDRA-version 24.0). Two signal indicators, the reported odds ratio (ROR) and information component (IC), were used to estimate the association between SGLT2is and IMEs.

Results: A total of 57,818 records related to SGLT2i, with 22,537 SGLT2i-IME pairs. Most SGLT2i-related IMEs occurred in monotherapy (N = 21,408, 94.99%). Significant signals emerged at the following SOCs: “metabolism and nutrition disorders” (N = 9,103; IC025 = 4.26), “renal and urinary disorders” (3886; 1.20), “infections and infestations” (3457; 0.85). The common strong signals were observed in diabetic ketoacidosis, ketoacidosis, euglycaemic diabetic ketoacidosis and Fournier’s gangrene. Unexpected safety signals such as cellulitis, osteomyelitis, cerebral infarction and nephrolithiasis were detected.

Conclusion: Our pharmacovigilance analysis showed that a high frequency was reported for IMEs triggered by SGLT2i monotherapy. Different SGLT2is caused different types and the association strengths of IMEs, while they also shared some specific PTs. Most of the results are generally consistent with previous studies, and more pharmacoepidemiological studies are needed to validate for unexpected AEs. Based on risk-benefit considerations, clinicians should be well informed about important medical events that may be aggravated by SGLT2is.

Sodium-Glucose Cotransporter 2 Inhibitor Use Associated With Fournier's Gangrene: A Review of Case Reports and Spontaneous Post-Marketing Cases

BACKGROUND

Sodium-glucose cotransporter 2 (SGLT2) inhibitors are effective for glycemic control and have demonstrated cardiorenal benefits. The U.S. Food and Drug Administration (FDA) released a boxed warning in 2018 regarding the potential development of Fournier's gangrene (FG) with the use of SGLT2 inhibitors. FG is a serious perineal infection with a mortality rate of up to 88% in some cases.

OBJECTIVES

To report spontaneous post-marketing cases from the FDA Adverse Event Reporting System (FAERS) database and case reports from the literature of FG associated with the use of SGLT2 inhibitors and to determine whether correlations exist with specific agents.

METHODS

A search of the FAERS database was conducted to identify reported cases of FG associated with the use of any FDA-approved SGLT2 inhibitor between 1 March 2013 and 30 June 2020. Additionally, a literature search was conducted of PubMed, Embase, and the Cochrane library using PRISMA guidelines to identify case reports of FG with the use of SGLT2 inhibitors up to 9 October 2020.

RESULTS

A total of 491 cases from the FAERS database were included for review. Descriptive analysis depicted more cases in the empagliflozin, canagliflozin, and dapagliflozin groups than in the ertugliflozin group. Nine case reports were included from the literature review; four attributed to dapagliflozin, three to empagliflozin, and two to canagliflozin. The median ages from cases reported in the FAERS database and from the literature review were 54 and 52 years, respectively. In both datasets, males had a higher incidence of FG than females. Additional data reported include clinical outcomes and concomitant antihyperglycemic medications.

CONCLUSION

Consistent findings are noted in this systematic review and warrant further investigation to elucidate the association between SGLT2 inhibitor use and the development of FG. These results may drive enhanced prescribing patterns to consider patient-specific risk factors and timely monitoring, especially as more indications are approved related to these medications' cardiorenal protective properties.

Perspectives From a Regional Plastic Surgery Centre on Evidence for the Purported Link Between SGLT2 Inhibitors and Fournier's Gangrene

Introduction: The recent report issued by the MHRA indicating an association of Sodium glucose linked transporter type 2 (SGLT2) Inhibitors with the contraction of Fournier's Gangrene (FG), has been drawn with insufficient supporting evidence and without an adequately powered study to make any meaningful assertions or recommendations. We aimed to look specifically at the currently available dataset used to link SGLT2 Inhibitors to FG and highlight what conclusions or inferences can meaningfully be made, in particular the power of any study that would be required to make sensible conclusions.

Methods: World literature review of SGLT2 Inhibitors and FG was performed. With a subsequent 10-year review of cases of FG seen in a regional burns and plastics centre. Data was collected retrospectively from the coding department at Whiston Hospital for all patients with necrotising fasciitis. An electronic document management system was used to identify patients with FG specifically as well as their diabetes state and medication history.

Results: Seventy-eight patients were admitted with FG, of whom 32 had diabetes mellitus (DM). Of those with DM none was taking an SGLT2 Inhibitor, 17 patients were taking metformin, a further nine patients were taking a second line medication and 14 required insulin injections.

Discussions: DM is a known major risk factor for FG, which is clearly observed in our patient cohort. The risk of patients with DM developing FG is irrespective of the medication patients are taking. The current articles and reports published have little ground to claim an association between SGLT2 Inhibitors and FG and are missing the crucial message that needs to be conveyed to the public: that DM is a major risk factor for FG and patients suffering with diabetes need to be extra vigilant.