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Effectiveness of a hybrid approach in integrating GLP-1 agonists and lifestyle guidance for obesity and pre-diabetes management: RWE retrospective study. Metabol Open 2024; 22:100283. [PMID: 38699398 PMCID: PMC11064605 DOI: 10.1016/j.metop.2024.100283] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/11/2024] [Revised: 04/17/2024] [Accepted: 04/18/2024] [Indexed: 05/05/2024] Open
Abstract
Aim Emerging anti-obesity pharmacotherapy provides an option to correct maladaptive physiological and hormonal changes associated with obesity. One of the widely used medications in this context is glucagon-like peptide 1 (GLP-1) agonists. However, the misuse of these medications without any guidance and monitoring of lifestyle modifications can lead to unfavorable outcomes. The study aims to evaluate the effectiveness of a hybrid care model, incorporating GLP-1 and GLP-1/GIP agonist therapies, in managing obese patients with/without pre-diabetes. This study showcases the midway results of a 6-month program, which includes a multidisciplinary care team and digital technology for continuous engagement and monitoring of patients, both in-clinic and remotely. Methods In a retrospective observational study, 115 participants were treated with GLP-1s (semaglutide, tirzepatide, and liraglutide). Physicians, dietitians, and coaches worked together to support behavioral changes using a dedicated app provided to patients. At the care team end, an integrated portal enabled continuous data flow allowing for the care team to provide personalized care via chat at regular intervals. Data collected included food logs, continuous glucose monitoring (CGM), and digital biomarkers such as sleep and activity. Results At the midpoint of the program, participants exhibited statistically significant improvements in various metabolic parameters. Mean weight reduction was 8 %, with significant reductions in BMI, fat mass, and cholesterol levels. 24 (20.9 %) of patients lost ≥5 % of body weight, 55 (47.8 %) patients lost ≥10 % weight, and 36 (31.3 %) patients lost ≥15 % weight. Sub-analysis of pre-diabetic patients (n=36) demonstrated substantial improvements, including control of pre-diabetes in 80.6 % of cases and reduced HbA1c levels back to normoglycemia (5.39 ± 0.27). Conclusion The Zone.Health's program, which combines pharmacotherapy with continuous engagement and monitoring to enable sustainable lifestyle modifications, demonstrated significant improvements in weight, body composition, and metabolic markers. Pre-diabetes was also effectively addressed. It is necessary to conduct further research to assess the long-term sustainability and optimal adoption of such care models into clinical practice.
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A meta-analysis of the incidence of acne vulgaris in patients treated with GLP-1 agonists. Int J Womens Dermatol 2024; 10:e143. [PMID: 38586157 PMCID: PMC10997314 DOI: 10.1097/jw9.0000000000000143] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/21/2023] [Accepted: 03/05/2024] [Indexed: 04/09/2024] Open
Abstract
Background With the emerging popularity of GLP-1 receptor agonists, patients are noticing acne vulgaris side effects that are seemingly related to the concurrent treatment with the drug. Due to the correspondence between these drugs' relatively recent emergence in the U.S. market and their high demand, it is important to investigate what is currently known in the literature so that patients can be properly informed. Objective The aim of this study is to investigate the relationship, or lack thereof, between glucagon like peptide 1 (GLP-1) receptor agonist usage and acne-related side effects in patients. Methods A web-based analysis of 6 GLP-1 receptor agonists (3 with a once-weekly dosing schedule, and 3 with a once-daily dosing schedule) was conducted on PubMed online database. Boolean criteria were used to narrow the search. Included in the meta-analysis were 45 research articles that fulfilled the search criteria. Results The results of the search showed that from the following long-acting GLP-1 receptor agonists, dulaglutide, exenatide extended release, and semaglutide (Wegovy), no conclusive acne side effects were reported. In addition, the results also showed that from the following short-acting GLP-1 receptor agonists, liraglutide, lixisenatide, and semaglutide (Rybelsus), no conclusive acne side effects were reported. Limitations Limitations of this study include a limited amount of literature regarding the relationship between GLP-1 agonists and acne vulgaris. Conclusion It is unlikely that GLP-1 agonists themselves are directly responsible for the acne that some patients may develop during treatment. Rather, it is more probable that the weight loss yielded by treatment with these drugs may induce intrinsic physiologic and hormonal changes that induce or exacerbate acne vulgaris in such patients.
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Advancements in diabetic kidney disease management: integrating innovative therapies and targeted drug development. Am J Physiol Endocrinol Metab 2024; 326:E791-E806. [PMID: 38630049 DOI: 10.1152/ajpendo.00026.2024] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 01/16/2024] [Revised: 03/27/2024] [Accepted: 04/01/2024] [Indexed: 05/21/2024]
Abstract
Diabetic kidney disease (DKD) is a leading cause of chronic kidney disease and affects approximately 40% of individuals with diabetes . Cases of DKD continue to rise globally as the prevalence of diabetes mellitus increases, with an estimated 415 million people living with diabetes in 2015 and a projected 642 million by 2040. DKD is associated with significant morbidity and mortality, representing 34% and 36% of all chronic kidney disease deaths in men and women, respectively. Common comorbidities including hypertension and ageing-related nephron loss further complicate disease diagnosis and progression. The progression of DKD involves several mechanisms including glomerular endothelial cell dysfunction, inflammation, and fibrosis. Targeting these mechanisms has formed the basis of several therapeutic agents. Renin-angiotensin-aldosterone system (RAAS) blockers, specifically angiotensin receptor blockers (ARBs), demonstrate significant reductions in macroalbuminuria. Sodium-glucose transporter type 2 (SGLT-2) inhibitors demonstrate kidney protection independent of diabetes control while also decreasing the incidence of cardiovascular events. Emerging agents including glucagon-like peptide 1 (GLP-1) agonists, anti-inflammatory agents like bardoxolone, and mineralocorticoid receptor antagonists show promise in mitigating DKD progression. Many novel therapies including monoclonal antibodies CSL346, lixudebart, and tozorakimab; mesenchymal stem/stromal cell infusion; and cannabinoid-1 receptor inverse agonism via INV-202 are currently in clinical trials and present opportunities for further drug development.
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Rare cutaneous adverse reactions associated with GLP-1 agonists: a review of the published literature. Arch Dermatol Res 2024; 316:248. [PMID: 38795152 DOI: 10.1007/s00403-024-02969-3] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/13/2024] [Revised: 04/21/2024] [Accepted: 04/26/2024] [Indexed: 05/27/2024]
Abstract
Glucagon-like-peptide-1 (GLP-1) agonists are an emerging class of medications used to manage type 2 diabetes mellitus (T2DM) and weight loss, with demonstrated efficacy in reducing hemoglobin A1c levels, body mass index, and adverse cardiovascular events. While previous studies have reviewed notable cutaneous adverse effects with other antidiabetic medications, little is known about GLP-1 agonist-induced cutaneous reactions. Nevertheless, rare but significant cutaneous adverse reactions have been reported, including but not limited to dermal hypersensitivity reactions, eosinophilic panniculitis, bullous pemphigoid, and morbilliform drug eruptions. As GLP-1 induced cutaneous reactions are diverse, diagnosis requires clinical suspicion, thorough history-taking, and supportive histopathological findings when available. Management involves cessation of the offending agent with a tailored regimen to address inflammatory and/or immunogenic etiologies as well as irritative symptoms. This review aims to consolidate available information from case reports and case series regarding rare skin-related adverse outcomes due to GLP-1 use, aiming to provide a comprehensive overview of the presentation, pathogenesis, and management for dermatologists and other clinicians.
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Modern-Day Therapeutics and Ongoing Clinical Trials against Type 2 Diabetes Mellitus: A Narrative Review. Curr Diabetes Rev 2024; 20:CDR-EPUB-140414. [PMID: 38766831 DOI: 10.2174/0115733998294919240506044544] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 12/27/2023] [Revised: 03/22/2024] [Accepted: 04/01/2024] [Indexed: 05/22/2024]
Abstract
OBJECTIVES Diabetes Mellitus (DM) is a global health concern that affects millions of people globally. The present review aims to narrate the clinical guidelines and therapeutic interventions for Type 2 Diabetes Mellitus (T2DM) patients. Furthermore, the present work summarizes the ongoing phase 1/2/3 and clinical trials against T2DM. METHODS A meticulous and comprehensive literature review was performed using various databases, such as PubMed, MEDLINE, Clinical trials database (https://clinicaltrials.gov/), and Google Scholar, to include various clinical trials and therapeutic interventions against T2DM. RESULTS Based on our findings, we concluded that most T2DM-associated clinical trials are interventional. Anti-diabetic therapeutics, including insulin, metformin, Dipeptidyl Peptidase-4 (DPP-4) inhibitors, Glucagon-Like Peptide-1 Receptor Agonists (GLP-1RAs), and Sodium- Glucose cotransporter-2 (SGLT-2) inhibitors are frontline therapeutics being clinically investigated. Currently, the therapeutics in phase IV clinical trials are mostly SGLT-2 inhibitors, implicating their critical contribution to the clinical management of T2DM. CONCLUSION Despite the success of T2DM treatments, a surge in innovative treatment options to reduce diabetic consequences and improve glycemic control is currently ongoing. More emphasis needs to be on exploring novel targeted drug candidates that can offer more sustained glycemic control.
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Effect of GLP-1 Receptor Agonist on Ischemia Reperfusion Injury in Rats with Metabolic Syndrome. Pharmaceuticals (Basel) 2024; 17:525. [PMID: 38675485 PMCID: PMC11053642 DOI: 10.3390/ph17040525] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/11/2024] [Revised: 04/14/2024] [Accepted: 04/15/2024] [Indexed: 04/28/2024] Open
Abstract
Metabolic syndrome (MetS) represents an important factor that increases the risk of myocardial infarction, and more severe complications. Glucagon Like Peptide-1 Receptor Agonists (GLP-1RAs) exhibit cardioprotective potential, but their efficacy in MetS-related myocardial dysfunction has not been fully explored. Therefore, we aimed to assess the effects of exenatide and dulaglutide on heart function and redox balance in MetS-induced rats. Twenty-four Wistar albino rats with induced MetS were divided into three groups: MetS, exenatide-treated (5 µg/kg), dulaglutide-treated (0.6 mg/kg). After 6 weeks of treatment, in vivo heart function was assessed via echocardiography, while ex vivo function was evaluated using a Langendorff apparatus to simulate ischemia-reperfusion injury. Heart tissue samples were analyzed histologically, and oxidative stress biomarkers were measured spectrophotometrically from the coronary venous effluent. Both exenatide and dulaglutide significantly improved the ejection fraction by 3% and 7%, respectively, compared to the MetS group. Histological analyses corroborated these findings, revealing a reduction in the cross-sectional area of cardiomyocytes by 11% in the exenatide and 18% in the dulaglutide group, indicating reduced myocardial damage in GLP-1RA-treated rats. Our findings suggest strong cardioprotective potential of GLP-1RAs in MetS, with dulaglutide showing a slight advantage. Thus, both exenatide and dulaglutide are potentially promising targets for cardioprotection and reducing mortality in MetS patients.
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Evolutionary perspectives on substance and behavioural addictions: Distinct and shared pathways to understanding, prediction and prevention. Neurosci Biobehav Rev 2024; 159:105603. [PMID: 38402919 DOI: 10.1016/j.neubiorev.2024.105603] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/29/2023] [Revised: 01/31/2024] [Accepted: 02/21/2024] [Indexed: 02/27/2024]
Abstract
Addiction poses significant social, health, and criminal issues. Its moderate heritability and early-life impact, affecting reproductive success, poses an evolutionary paradox: why are humans predisposed to addictive behaviours? This paper reviews biological and psychological mechanisms of substance and behavioural addictions, exploring evolutionary explanations for the origin and function of relevant systems. Ancestrally, addiction-related systems promoted fitness through reward-seeking, and possibly self-medication. Today, psychoactive substances disrupt these systems, leading individuals to neglect essential life goals for immediate satisfaction. Behavioural addictions (e.g. video games, social media) often emulate ancestrally beneficial behaviours, making them appealing yet often irrelevant to contemporary success. Evolutionary insights have implications for how addiction is criminalised and stigmatised, propose novel avenues for interventions, anticipate new sources of addiction from emerging technologies such as AI. The emerging potential of glucagon-like peptide 1 (GLP-1) agonists targeting obesity suggest the satiation system may be a natural counter to overactivation of the reward system.
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Use of Cardioprotective Antidiabetic Medications in Adults With and Without Cardiovascular Disease, 2015 to March 2020. Ann Pharmacother 2024; 58:248-254. [PMID: 37323006 DOI: 10.1177/10600280231178886] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 06/17/2023] Open
Abstract
BACKGROUND Certain glucagon-like peptide-1 receptor (GLP-1) agonists and sodium-glucose cotransporter-2 inhibitors (SGLT2-inhibitors) can reduce cardiovascular risk in individuals with type 2 diabetes and cardiovascular disease (CVD). However, these medications can be expensive, potentially limiting their use. Objectives: The primary objective was to characterize the use of cardioprotective GLP-1 agonists and SGLT2-inhibitors among adults with diabetes with and without CVD. The secondary objective was to investigate the association of socioeconomic factors and health care utilization with the use of these medications. METHODS Adults aged ≥20 years old with self-reported diabetes, A1c ≥6.5%, or fasting glucose ≥126 mg/dL were identified using the 2015 to March 2020 National Health and Nutrition Examination Survey. The primary outcome was the use of cardioprotective GLP-1 agonists or SGLT2-inhibitors compared in individuals with and without CVD. Secondary analyses included identification of socioeconomic factors and health care utilization associated with the use of cardioprotective antidiabetic medications, stratified by CVD status. Weighted analyses were conducted to account for the complex survey design. RESULTS Use of cardioprotective antidiabetic medications was higher in adults with CVD compared to those without CVD (7.8% vs. 4.6%, P = 0.02), which was driven by the use of cardioprotective SGLT2-inhibitors (4.6% versus 1.9%, P = 0.002). Lower income level and less frequent health care visits within the past year were associated with lower likelihood of using these medications. CONCLUSION AND RELEVANCE Despite preferential use in individuals with diabetes and CVD, the prevalence of cardioprotective antidiabetic medication use remains relatively low. Disparities in use appear to exist based on income level and health care utilization.
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Thyroid cancer and insulin resistance. Rev Endocr Metab Disord 2024; 25:19-34. [PMID: 37957487 DOI: 10.1007/s11154-023-09849-7] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Accepted: 10/30/2023] [Indexed: 11/15/2023]
Abstract
Thyroid cancer has shown a parallel increase with diabetes in the last few years. This narrative review aims to explain the association between these two entities, focusing on insulin resistance as the mediator and exploring the effects of antidiabetic agents on thyroid cancer incidence and progression.We searched Pubmed for English-written articles on insulin resistance, diabetes, antidiabetic treatments, and thyroid cancer reported from January 2019 to April 2023. Exclusion criteria were preclinical and clinical studies involving a population with thyroid dysfunction, benign nodular goiter, or those that only analyzed thyroid cancer's association with obesity.The results of the narrative literature review revealed 96 articles. Additionally, four studies from a manual search were retrieved. After the exclusion criteria were applied, we included 20 studies. Out of 8 studies on insulin-resistant or Metabolic Syndrome patients, all suggest a positive association with thyroid cancer. At the same time, for diabetes, four out of five publications support a link with thyroid cancer. The seven remaining studies on antidiabetics suggest that metformin might benefit thyroid cancer. In contrast, the evidence for an association between Glucagon-like peptide-1 receptor agonists (GLP-1 RA) and increased thyroid cancer findings is limited.In conclusion, the association between thyroid cancer and diabetes may be explained by insulin resistance, as shown in observational studies. However, the causal role is yet to be defined. Although the wide use of different antidiabetic agents has been related to thyroid cancer prevalence and progression, future research with drugs such as metformin or GLP-1 RA is still needed.
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The Benefit of Healthy Lifestyle in the Era of New Medications to Treat Obesity. Diabetes Metab Syndr Obes 2024; 17:227-230. [PMID: 38249154 PMCID: PMC10798050 DOI: 10.2147/dmso.s447582] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Download PDF] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 10/31/2023] [Accepted: 01/09/2024] [Indexed: 01/23/2024] Open
Abstract
Incretin-based medications for treating obesity produce substantial short- and long-term weight loss and improve obesity-related comorbidities. However, associating lifestyle modification with new medications to treat obesity is generally advisable for several reasons. Firstly, healthy eating patterns and physical activity may offer important additional benefits, enhancing the patient's health and well-being. In addition, regular specialist counselling in lifestyle modification can help patients maintain their motivation levels and develop specific skills for addressing obstacles during the lengthy process of weight loss and maintenance, potentially improving outcomes in the long term. Given the high efficacy of the new weight-loss drugs, it would be timely to streamline and simplify the current gold standard of obesity management based on lifestyle modification. For example, it now seems redundant to prescribe strict diets or meal replacements to reduce calorie intake, or to recommend patients practice 200 to 300 minutes of moderate-to-vigorous-intensity exercise for enhanced weight loss. Moderate calorie restriction and, at least 150 minutes of moderate-intensity aerobic exercise and two sessions of muscle-strengthening activities per week may be more achievable and appropriate goals for sustainable weight loss in most patients on pharmaceutical obesity treatment. As regards lifestyle modification counselling, future studies should assess its optimal intensity and duration in the "new medications for obesity era".
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The Impact of Glucagon-like Peptide 1 Receptor Agonists on Obstructive Sleep Apnoea: A Scoping Review. PHARMACY 2024; 12:11. [PMID: 38251405 PMCID: PMC10801460 DOI: 10.3390/pharmacy12010011] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/18/2023] [Revised: 01/04/2024] [Accepted: 01/07/2024] [Indexed: 01/23/2024] Open
Abstract
BACKGROUND Obstructive sleep apnoea (OSA) and associated hypopnoea syndromes are chronic conditions of sleep-disordered breathing with significant sequelae if poorly managed, including hypertension, cardiovascular disease, metabolic syndrome and increased mortality. Glucagon-like peptide 1 receptor agonists (GLP-1RA) have recently garnered significant interest as a potential therapeutic, attributed to their durable effects in weight loss and glycaemic control in metabolic syndromes, such as obesity and type 2 diabetes mellitus. This has led to significant investment into companies that produce these medications and divestment from traditional gold standard methods of OSA management such as continuous positive airway pressure machines. Despite these sentiments, the impacts of these medications on OSA outcomes are poorly characterised, with no high-quality evidence at this stage to support this hypothesis. This scoping review therefore aims to address the research question of whether GLP-1RAs lead to a direct improvement in OSA and associated hypopnoea syndromes. METHODS A scoping review was performed following a computer-assisted search of Medline, Embase and Cochrane Central databases. Papers that evaluated the use of GLP-1RA medications related to sleep-disordered breathing, OSA or other sleep-related apnoeic or hypopnoeic syndromes were included. RESULTS Literature search and evaluation identified 9 articles that were eligible for inclusion. Of these, 1 was a study protocol, 1 was a case report, 1 was an abstract of a randomised controlled trial (RCT), 1 was a non-randomised clinical trial and the remaining 5 were randomised clinical trials of variable rigour. All studies evaluated the outcomes of GLP-1RAs in patients with diagnosed OSA or symptoms suggestive of this condition. CONCLUSION This scoping review identified early evidence to suggest that GLP-1RAs may improve OSA as defined by reduction in apnoea-hypopnoea index (AHI). This evidence is however conflicting due to contradicting results demonstrated from other studies. Overall, these medications were tolerated well, with minor gastrointestinal side-effects reported in some cases. Of all included studies, the quality of evidence was low, with short lengths of follow-up to identify durable effects of these medications on OSA outcomes and identify adverse events. More rigorous, RCTs with sufficient length of follow-up are required before consideration of formalising these medications into OSA treatment guidelines, frameworks and policies are warranted.
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The Utilization of Glucagon-like Peptide 1 Agonists and Risk of Following External Eye Diseases in Type 2 Diabetes Mellitus Individuals: A Population-Based Study. Healthcare (Basel) 2023; 11:2749. [PMID: 37893823 PMCID: PMC10606163 DOI: 10.3390/healthcare11202749] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/31/2023] [Revised: 10/10/2023] [Accepted: 10/14/2023] [Indexed: 10/29/2023] Open
Abstract
The glucagon-like peptide 1 (GLP-1) agonist showed anti-hyperglycemic and anti-inflammatory effects, which may retard the risk of external eye disease. The protective effect of GLP-1 agonist and dry eye disease (DED) was found, while the relationship between GLP-1 agonist and other corneal diseases was not clear. Herein, we aim to evaluate the association between the usage of GLP-1 agonists and the development of the following external eye disease in type 2 diabetes mellitus (T2DM) patients. A retrospective cohort study using the National Health Insurance Research Database (NHIRD) of Taiwan was conducted. The T2DM patients were divided into those with GLP-1 treatment and those without GLP-1 treatment and matched with a 1:2 ratio. The main outcomes were the development of dry eye disease (DED), superficial keratitis, and infectious keratitis. The Cox proportional hazard regression was adopted to produce the adjusted hazard ratio (aHR) with a 95% confidence interval (CI) of external eye diseases between groups. There were 115, 54, and 11 episodes of DED, superficial keratitis, and infectious keratitis in the GLP-1 group. Another 280, 168, and 31 events of DED, superficial keratitis, and infectious keratitis were recorded in the control group. The GLP-1 group demonstrated a significantly lower incidence of DED (aHR: 0.853, 95% CI: 0.668-0.989, p = 0.0356) and superficial keratitis (aHR: 0.670, 95% CI: 0.475-0.945, p = 0.0107) compared to the control group. In the subgroup analyses, the correlation of GLP-1 agonist and DED development was more prominent in patients younger than 60 years old (p = 0.0018). In conclusion, the GLP-1 agonist treatments are significantly associated with a lower incidence of subsequent DED and superficial keratitis, while the relationship was not significant between GLP-1 agonist usage and infectious keratitis.
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Effects of GLP-1 Agonists on mortality and arrhythmias in patients with Type II diabetes. IJC HEART & VASCULATURE 2023; 47:101218. [PMID: 37252197 PMCID: PMC10209701 DOI: 10.1016/j.ijcha.2023.101218] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/21/2023] [Revised: 04/29/2023] [Accepted: 05/06/2023] [Indexed: 05/31/2023]
Abstract
Background Glucagon-like Peptide-1 Receptor Agonists (GLP-1 RA) are frequently used for the management of diabetes. The impact of GLP-1 RA on cardiovascular outcomes is unclear. We aim to assess the effect of GLP-1 RA on mortality, atrial and ventricular arrhythmias, and sudden cardiac death in patients with type II diabetes. Methods We searched databases including Ovid MEDLINE, EMBASE, Scopus, Web of Science, Google Scholar and CINAHL, from inception to May 2022, for randomized controlled trials reporting the relationship between GLP-1 RA (including albiglutide, dulaglutide, exenatide, liraglutide, lixisenatide, and semaglutide) and mortality, atrial arrhythmias, and the combined incidence of ventricular arrhythmias and sudden cardiac death. The search was not restricted to time or publication status. Results A total of 464 studies resulted from literature search, of which 44 studies, including 78,702 patients (41,800 GLP-1 agonists vs 36,902 control), were included. Follow up ranged from 52 to 208 weeks. GLP-1 RA were associated with lower risk of all-cause mortality (odds ratio 0.891, 95% confidence interval 0.837-0.949; P < 0.01) and reduced cardiovascular mortality (odds ratio 0.88, 95% confidence interval 0.881-0.954; P < 0.01). GLP-1 RA were not associated with increased risk of atrial (odds ratio 0.963, 95% confidence interval 0.869-1.066; P 0.46) or ventricular arrhythmias and sudden cardiac death (odds ratio 0.895, 95% confidence interval 0.706-1.135; P 0.36). Conclusion GLP-1 RA are associated with decreased all-cause and cardiovascular mortality, and no increased risk of atrial and ventricular arrhythmias and sudden cardiac death.
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Visceral adipose tissue and residual cardiovascular risk: a pathological link and new therapeutic options. Front Cardiovasc Med 2023; 10:1187735. [PMID: 37576108 PMCID: PMC10421666 DOI: 10.3389/fcvm.2023.1187735] [Citation(s) in RCA: 1] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/16/2023] [Accepted: 07/13/2023] [Indexed: 08/15/2023] Open
Abstract
Obesity is a heterogeneous disease that affects almost one-third of the global population. A clear association has been established between obesity and cardiovascular disease (CVD). However, CVD risk is known to be related more to the local distribution of fat than to total body fat. Visceral adipose tissue (VAT) in particular has a high impact on CVD risk. This manuscript reviews the role of VAT in residual CV risk and the available therapeutic strategies for decreasing residual CV risk related to VAT accumulation. Among the many pathways involved in residual CV risk, obesity and particularly VAT accumulation play a major role by generating low-grade systemic inflammation, which in turn has a high prognostic impact on all-cause mortality and myocardial infarction. In recent years, many therapeutic approaches have been developed to reduce body weight. Orlistat was shown to reduce both weight and VAT but has low tolerability and many drug-drug interactions. Naltrexone-bupropion combination lowers body weight but has frequent side effects and is contraindicated in patients with uncontrolled hypertension. Liraglutide and semaglutide, glucagon-like peptide 1 (GLP-1) agonists, are the latest drugs approved for the treatment of obesity, and both have been shown to induce significant body weight loss. Liraglutide, semaglutide and other GLP-1 agonists also showed a positive effect on CV outcomes in diabetic patients. In addition, liraglutide showed to specifically reduce VAT and inflammatory biomarkers in obese patients without diabetes. GLP-1 agonists are promising compounds to limit inflammation in human visceral adipocytes.
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Endothelial Function in Patients with Multiple Sclerosis: The Role of GLP-1 Agonists, Lipoprotein Subfractions, and Redox Balance. Int J Mol Sci 2023; 24:11162. [PMID: 37446338 DOI: 10.3390/ijms241311162] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/26/2023] [Revised: 06/30/2023] [Accepted: 07/04/2023] [Indexed: 07/15/2023] Open
Abstract
INTRODUCTION Epidemiological studies have suggested an increased vascular risk in patients with multiple sclerosis (MS). There is increasing evidence of the beneficial effects of GLP-1 agonists (GLP-1a) in preventing vascular complications and slowing the progression of neurodegeneration. Our objective was to explore the changes in the endothelial function of MS patients after 12 months of GLP-1a therapy. We also explored the role of lipoprotein subfractions and the antioxidant capacity of plasma. METHODS MS patients were enrolled in a prospective, unicentric study. GLP-1a (dulaglutide) was administered to 13 patients. The control population consisted of 12 subjects. Endothelial function was determined by peripheral arterial tonometry and expressed as reperfusion hyperemia index (RHI). Trolox equivalent antioxidant capacity (TEAC) was used to assess the total antioxidant capacity of the plasma. The levels of lipoprotein subfractions were evaluated. RESULTS The GLP-1a group did not have a significant change in their RHIs after 12 months (2.1 ± 0.6 vs. 2.1 ± 0.7; p = 0.807). However, a significant increase in their TEACs was observed (4.1 ± 1.4 vs. 5.2 ± 0.5 mmol/L, p = 0.010). On the contrary, the subjects in the control group had a significant worsening of their RHIs (2.1 ± 0.5 vs. 1.8 ± 0.6; p = 0.030), without significant changes in their TEACs. Except for a significant decrease in very-low-density lipoprotein (VLDL) (30.8 ± 10.2 vs. 22.6 ± 8.3 mg/dL, p = 0.043), no other significant changes in the variables were observed in the control group. VLDL levels (beta = -0.637, p = 0.001), the use of GLP-1a therapy (beta = 0.560, p = 0.003), and small LDL (beta = 0.339, p = 0.043) were the only significant variables in the model that predicted the follow-up RHI. CONCLUSION Our results suggest that the application of additional GLP-1a therapy may have atheroprotective and antioxidant effects in MS patients with high MS activity and thus may prospectively mitigate their vascular risk. However, the lipoprotein profile may also play an important role in the atherogenic risk of MS subjects.
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New anti-diabetic agents for the treatment of non-alcoholic fatty liver disease: a systematic review and network meta-analysis of randomized controlled trials. Front Endocrinol (Lausanne) 2023; 14:1182037. [PMID: 37441498 PMCID: PMC10335801 DOI: 10.3389/fendo.2023.1182037] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Figures] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 03/08/2023] [Accepted: 04/14/2023] [Indexed: 07/15/2023] Open
Abstract
Objectives This network meta-analysis aims to compare the efficacy and safety of new anti-diabetic medications for the treatment of non-alcoholic fatty liver disease (NAFLD). Materials and methods PubMed and Scopus were searched from inception to 27th March 2022 to identify all randomized controlled trials (RCTs) in NAFLD patients. Outcomes included reductions in intrahepatic steatosis (IHS) and liver enzyme levels. The efficacy and safety of DPP-4 inhibitors, GLP-1 agonists, SGLT-2 inhibitors, and other therapies were indirectly compared using a NMA approach. Unstandardized mean difference (USMD) with 95% confidence intervals (CI) were calculated. Results 2,252 patients from 31 RCTs were included. "Add-on" GLP-1 agonists with standard of care (SoC) treatment showed significantly reduced IHS compared to SoC alone [USMD (95%CI) -3.93% (-6.54%, -1.33%)]. Surface under the cumulative ranking curve (SUCRA) identified GLP-1 receptor agonists with the highest probability to reduce IHS (SUCRA 88.5%), followed by DPP-4 inhibitors (SUCRA 69.6%) and pioglitazone (SUCRA 62.2%). "Add-on" GLP-1 receptor agonists were also the most effective treatment for reducing liver enzyme levels; AST [USMD of -5.04 (-8.46, -1.62)], ALT [USMD of -9.84 (-16.84, -2.85)] and GGT [USMD of -15.53 (-22.09, -8.97)] compared to SoC alone. However, GLP-1 agonists were most likely to be associated with an adverse event compared to other interventions. Conclusion GLP-1 agonists may represent the most promising anti-diabetic treatment to reduce hepatic steatosis and liver enzyme activity in T2DM and NAFLD patients. Nevertheless, longer-term studies are required to determine whether this delays progression of liver cirrhosis in patients with NAFLD and T2DM. Systematic review registration https://www.crd.york.ac.uk/prospero/, identifier CRD42021259336.1.
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Emerging Role of GLP-1 Agonists in Obesity: A Comprehensive Review of Randomised Controlled Trials. Int J Mol Sci 2023; 24:10449. [PMID: 37445623 DOI: 10.3390/ijms241310449] [Citation(s) in RCA: 9] [Impact Index Per Article: 9.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/01/2023] [Revised: 06/13/2023] [Accepted: 06/20/2023] [Indexed: 07/15/2023] Open
Abstract
Obesity is a chronic disease with high prevalence and associated comorbidities, making it a growing global concern. These comorbidities include type 2 diabetes, hypertension, ventilatory dysfunction, arthrosis, venous and lymphatic circulation diseases, depression, and others, which have a negative impact on health and increase morbidity and mortality. GLP-1 agonists, used to treat type 2 diabetes, have been shown to be effective in promoting weight loss in preclinical and clinical studies. This review summarizes numerous studies conducted on the main drugs in the GLP-1 agonists class, outlining the maximum achievable weight loss. Our aim is to emphasize the active role and main outcomes of GLP-1 agonists in promoting weight loss, as well as in improving hyperglycemia, insulin sensitivity, blood pressure, cardio-metabolic, and renal protection. We highlight the pleiotropic effects of these medications, along with their indications, contraindications, and precautions for both diabetic and non-diabetic patients, based on long-term follow-up studies.
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Effects of new hypoglycemic drugs on cardiac remodeling: a systematic review and network meta-analysis. BMC Cardiovasc Disord 2023; 23:293. [PMID: 37296380 PMCID: PMC10251583 DOI: 10.1186/s12872-023-03324-6] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/22/2023] [Accepted: 05/27/2023] [Indexed: 06/12/2023] Open
Abstract
BACKGROUND In recent years, the incidence of diabetes mellitus has been increasing annually, and cardiovascular complications secondary to diabetes mellitus have become the leading cause of death in diabetic patients. Considering the high incidence of type 2 diabetes (T2DM) combined with cardiovascular disease (CVD), some new hypoglycemic agents with cardiovascular protective effects have attracted extensive attention. However, the specific role of these regimens in ventricular remodeling remains unknown. The purpose of this network meta-analysis was to compare the effects of sodium glucose cotransporter type 2 inhibitor (SGLT-2i), glucagon-like peptide 1 receptor agonist (GLP-1RA) and dipeptidyl peptidase-4 inhibitor (DPP-4i) on ventricular remodeling in patients with T2DM and/or CVD. METHODS Articles published prior to 24 August 2022 were retrieved in four electronic databases: the Cochrane Library, Embase, PubMed, and Web of Science. This meta-analysis included randomized controlled trials (RCTs) and a small number of cohort studies. The differences in mean changes of left ventricular ultrasonic parameters between the treatment and control groups were compared. RESULTS A total of 31 RCTs and 4 cohort studies involving 4322 patients were analyzed. GLP-1RA was more significantly associated with improvement in left ventricular end-systolic diameter (LVESD) [MD = -0.38 mm, 95% CI (-0.66, -0.10)] and LV mass index (LVMI) [MD = -1.07 g/m2, 95% CI (-1.71, -0.42)], but significantly decreased e' [MD = -0.43 cm/s 95% CI (-0.81, -0.04)]. DPP-4i was more strongly associated with improvement in e' [MD = 3.82 cm/s, 95% CI (2.92,4.7)] and E/e'[MD = -5.97 95% CI (-10.35, -1.59)], but significantly inhibited LV ejection fraction (LVEF) [MD = -0.89% 95% CI (-1.76, -0.03)]. SGLT-2i significantly improved LVMI [MD = -0.28 g/m2, 95% CI (-0.43, -0.12)] and LV end-diastolic diameter (LVEDD) [MD = -0.72 ml, 95% CI (-1.30, -0.14)] in the overall population, as well as E/e' and SBP in T2DM patients combined with CVD, without showing any negative effect on left ventricular function. CONCLUSION The results of the network meta-analysis provided high certainty to suggest that SGLT-2i may be more effective in cardiac remodeling compared to GLP-1RA and DPP-4i. While GLP-1RA and DPP-4i may have a tendency to improve cardiac systolic and diastolic function respectively. SGLT-2i is the most recommended drug for reversing ventricular remodeling in this meta-analysis.
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Pharmacologic Management of Obesity after Liver Transplantation: A Critical Review. ANNALS OF GASTROENTEROLOGY AND DIGESTIVE DISORDERS 2023; 6:17-25. [PMID: 38098758 PMCID: PMC10719957] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Indexed: 12/17/2023]
Abstract
Post liver transplant obesity is associated with the development of metabolic disorders such as diabetes mellitus and nonalcoholic fatty liver disease and is a strong predictor of post-transplant mortality. Anti-obesity pharmacotherapy could serve as an effective adjunct to lifestyle modification in the post-transplant setting. Currently, utilization of anti-obesity medication in post liver transplant patients is limited by scarce data on their efficacy and safety in the post-transplant setting. Newer classes of anti-obesity medications, including the glucagon-like peptide 1 agonists (GLP-1) do not only help with weight loss but are effective anti-diabetic agents and are in further development for their potential hepatoprotective and renoprotective effects and reduction in cardiovascular risk. The objective of this manuscript was to critically review the efficacy and safety of anti-obesity pharmacotherapy in post-liver transplant patients.
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Glucagon-like peptide-1: a multi-faceted anti-inflammatory agent. Front Immunol 2023; 14:1148209. [PMID: 37266425 PMCID: PMC10230051 DOI: 10.3389/fimmu.2023.1148209] [Citation(s) in RCA: 16] [Impact Index Per Article: 16.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/19/2023] [Accepted: 04/26/2023] [Indexed: 06/03/2023] Open
Abstract
Inflammation contributes to many chronic conditions. It is often associated with circulating pro-inflammatory cytokines and immune cells. GLP-1 levels correlate with disease severity. They are often elevated and can serve as markers of inflammation. Previous studies have shown that oxytocin, hCG, ghrelin, alpha-MSH and ACTH have receptor-mediated anti-inflammatory properties that can rescue cells from damage and death. These peptides have been studied well in the past century. In contrast, GLP-1 and its anti-inflammatory properties have been recognized only recently. GLP-1 has been proven to be a useful adjuvant therapy in type-2 diabetes mellitus, metabolic syndrome, and hyperglycemia. It also lowers HbA1C and protects cells of the cardiovascular and nervous systems by reducing inflammation and apoptosis. In this review we have explored the link between GLP-1, inflammation, and sepsis.
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Comparison of the efficacy and safety of commercially available fixed ratio combinations of insulin degludec/liraglutide (IDegLira) and insulin glargine/lixisenatide (iGlarLixi) - a network meta-analysis. Can J Diabetes 2023:S1499-2671(23)00057-6. [PMID: 36963632 DOI: 10.1016/j.jcjd.2023.03.002] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 06/24/2022] [Revised: 02/16/2023] [Accepted: 03/16/2023] [Indexed: 03/26/2023]
Abstract
AIMS To compare the efficacy and safety of commercially available fixed ratio combinations (FRC) of glucagon-like peptide 1 receptor agonists (GLP-1RA) and basal insulins by a network meta-analysis (NMA) of randomised controlled trials (RCT) of type 2 diabetes patients. METHODS We report a systematic review and network meta-analyses of RCTs of type 2 diabetes patients randomized to FRCs or to their components for ≥24-weeks reported in PubMed or ClinicalTrials.gov until 28/FEB/2022. Primary outcome was attained HbA1c. Secondary outcomes included fasting plasma glucose, change in body weight, and incident hypoglycaemia. Treatment effects were estimated as mean differences and standard errors (MD; [SE]) or odds ratios (OR) with 95% confidence intervals (95%CI) using iGlarLixi as reference. RESULTS We included 29 RCTs of the 1404 papers identified. No direct comparison between FRCs were found. After excluding some insulin capped trials to reach model consistency, both FRCs were more efficacious regarding HbA1c than their components, however no difference between FRCs were found (MD: -0.10 [SE: 0.10]%). The effect of IDegLira (-0.47 [0.24] mmol/l) and basal insulins was similar to that of iGlarLixi (ref.) on fasting glucose, while GLP-1RA had lower efficacy than iGlarLixi. Weight gain was lower with GLP-1RAs and IDegLira (-0.72 [0.32] kg) than iGlarLixi (ref.) and higher with basal insulins. Incident hypoglycemia (based on different definitions) was least frequent with GLP-1RAs followed by IDegLira (OR 0.78 95%CI 0.39-1.57), iGlarLixi (ref.) and basal insulins. CONCLUSIONS Regarding HbA1c, both FRCs were more efficacious over their individual components with similar efficacies of the two FRCs.
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GLP-1 Agonists for Weight Loss: Pharmacology and Clinical Implications. Adv Ther 2023; 40:723-742. [PMID: 36566341 DOI: 10.1007/s12325-022-02394-w] [Citation(s) in RCA: 8] [Impact Index Per Article: 8.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/22/2022] [Accepted: 11/30/2022] [Indexed: 12/25/2022]
Abstract
This review investigates the various pharmacologic treatments for overweight and obesity in adults, especially glucagon-like peptide 1 (GLP-1) agonists. In light of the globally expanding obesity pandemic and the limited selection of treatments, physicians must be equipped with knowledge regarding proven medications and their nuanced differences to best support patients on their path to a healthier lifestyle. In this review, we explore the current medical therapies for obesity, including all major categories, individual mechanisms of action, pharmacokinetics and pharmacodynamics, adverse effects, risks, and absolute contraindications. Additionally, we review the evidence of four recent clinical trials, two systematic reviews, and two meta-analyses describing the efficacy of GLP-1 agonists in decreasing weight, lowering HbA1c, and improving obesity comorbidities. We also discuss total cost and cost-effectiveness compared to other categories, long-term adherence, barriers to use, and reasons for discontinuation of this drug category. Our goal is that this review can serve as a framework to aid providers in building their knowledge and selecting the most advantageous weight loss medication for each patient.
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Effect of new glucose-lowering drugs on stroke in patients with type 2 diabetes: A systematic review and Meta-analysis. J Diabetes Complications 2023; 37:108362. [PMID: 36462459 DOI: 10.1016/j.jdiacomp.2022.108362] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 08/23/2022] [Revised: 11/20/2022] [Accepted: 11/23/2022] [Indexed: 11/29/2022]
Abstract
AIMS People with diabetes tend to face a higher risk of stroke. Randomized controlled trials (RCTs) have demonstrated the different outcomes of new glucose-lowering drugs marketed in recent years on cardiovascular outcome events. The effects of glucagon-like peptide-1 (GLP-1) agonists, sodium-glucose cotransporter-2 (SGLT-2) inhibitors, and dipeptidyl peptidase-4 (DPP-4) inhibitors on stroke risk were evaluated in published RCTs. METHODS A search of Embase, Cochrane Library, and PubMed databases identified studies with stroke as an outcome event up to 3 December 2021. Risk ratios for stroke outcomes were analyzed using a fixed-effects model. I2 was used to assess the heterogeneity of the study. RESULTS 19 RCTs with 155,027 participants with type 2 diabetes were identified. Pooled analysis showed that compared to placebo, GLP-1 agonists reduced non-fatal stroke by 15 % (RR = 0.85, 95%CI 0.77-0.94, P = 0.002, I2 = 0 %) and total stroke (RR = 0.84, 95%CI 0.77-0.93, P = 0.000, I2 = 0 %) by 16 %. SGLT-2 inhibitors and DPP-4 inhibitors were not significantly associated with lower stroke risk. CONCLUSIONS This meta-analysis indicates that GLP-1 agonists have potential benefits for stroke. However, further studies are needed if GLP-1 agonists are to be used to reduce the risk of stroke in patients with type 2 diabetes. More research is also needed to investigate the effects of new glucose-lowering drugs on different stroke subtypes. SYSTEMATIC REVIEW REGISTRATION This protocol was registered on the International Prospective Register of Systematic Reviews (https://www.crd.york.ac.uk/PROSPERO/; registration number: CRD42022326382).
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Cardiorenal disease management in type 2 diabetes: An expert consensus. Diabetes Metab Syndr 2022; 16:102661. [PMID: 36375366 DOI: 10.1016/j.dsx.2022.102661] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 02/16/2022] [Revised: 09/28/2022] [Accepted: 10/29/2022] [Indexed: 11/06/2022]
Abstract
BACKGROUND AND AIM The interplay between cardiovascular disease (CVD), chronic kidney disease (CKD) and type 2 diabetes (T2D) is well established. We aim at providing an evidence-based expert opinion regarding the prevention and treatment of both heart failure (HF) and renal complications in people with T2D. METHOD ology: The consensus recommendations were developed by subject experts in endocrinology, cardiology, and nephrology. The criteria for consensus were set to statements with ≥80% of agreement among clinicians specialized in endocrinology, cardiology, and nephrology. Key expert opinions were formulated based on scientific evidence and clinical judgment. RESULTS Assessing the risk factors of CVD or CKD in people with diabetes and taking measures to prevent HF or kidney disease are essential. Known CVD or CKD among people with diabetes confers a very high risk for recurrent CVD. Metformin plus lifestyle modification should be the first-line therapy (unless contraindicated) for the management of T2D. Glucagon-like peptide 1 (GLP-1) agonists can be preferred in people with atherosclerotic cardiovascular disease (ASCVD) or with high-risk indicators, along with sodium-glucose cotransporter-2 inhibitors (SGLT2i), whereas SGLT2i are the first choice in HF and CKD. The GLP-1 agonists can be used in people with CKD if SGLT2i are not tolerated. CONCLUSION Current evidence suggests SGLT2i as preferred agents among people with T2D and HF, and for those with T2D and ASCVD. SGLT2i and GLP-1RA also lower CV outcomes in those with diabetes and ASCVD, and the treatment choice should depend on the patient profile.
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Real-world effectiveness of IDegLira compared with intensified conventional insulin therapy in adults with type 2 diabetes: a retrospective cohort study. BMC Endocr Disord 2022; 22:229. [PMID: 36104712 PMCID: PMC9476268 DOI: 10.1186/s12902-022-01139-8] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 05/30/2022] [Accepted: 08/26/2022] [Indexed: 11/10/2022] Open
Abstract
BACKGROUND IDegLira is a fixed-ratio combination of insulin degludec and liraglutide with proven efficacy against simpler regimens and non-inferiority against basal-bolus insulin therapy. However, the evaluation of its real-world effectiveness is hindered by technical issues and requires further exploration. Thus we aimed to compare effectiveness of insulin degludec/liraglutide (IDegLira) versus intensified conventional insulin therapy (ICT) for type 2 diabetes in a real-world setting. METHODS This retrospective cohort study from an outpatient clinic in Hungary included people who initiated IDegLira due to inadequate glycaemic control (HbA1c > 7.0% [53.0 mmol/mol]) with oral and/or injectable antidiabetic drugs. Data were compared with a historical cohort who initiated ICT. Outcomes included HbA1c, body weight, and hypoglycaemia differences over 18 months of follow-up. RESULTS Data were included from 227 and 72 people who initiated IDegLira and ICT, respectively. Estimated mean difference (MD) in HbA1c at 18 months favoured IDegLira versus ICT (MD 0.60, 95% CI 0.88-0.32 [MD 6.6 mmol/mol, 95% CI 9.6-3.5]). More people reached target HbA1c ≤7.0% (53.0 mmol/mol) with IDegLira than ICT (odds ratio 3.36, 95% CI 1.52-7.42). IDegLira treatment was associated with weight loss compared with gain for ICT (MD 6.7 kg, 95% CI 5.0-8.5). The hazard ratio for hypoglycaemia comparing IDegLira with ICT was 0.18 (95% CI 0.08-0.49). CONCLUSIONS Treatment with IDegLira over 18 months resulted in greater HbA1c reductions, weight loss versus gain, and a lower rate of hypoglycaemia versus ICT in people with type 2 diabetes.
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Cardiovascular complications of diabetes. Expert Rev Endocrinol Metab 2022; 17:383-388. [PMID: 35831991 DOI: 10.1080/17446651.2022.2099838] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 03/01/2022] [Accepted: 07/06/2022] [Indexed: 10/17/2022]
Abstract
INTRODUCTION Type 2 diabetes mellitus (T2DM) is the ninth leading cause of mortality globally, and the prevalence continues to rise. Among individuals with T2DM, over two-thirds of deaths are caused by the cardiovascular complications of diabetes. These complications include atherosclerosis, coronary artery disease, nephropathy, stroke, thromboembolism, peripheral vascular disease. They have been long studied, and there are several theories as to the pathophysiology of how diabetes leads to these complications. The least understood mechanism is the pathophysiology linking diabetes to heart failure. AREAS COVERED This review focuses on the mechanisms of how T2DM leads to the aforementioned complications, particularly highlighting the development of heart failure. An extensive literature review of novel therapeutic options targeting the cardiovascular effects of T2DM was completed and summarized in this review. EXPERT OPINION This review finds that most studies to date have focused on the atherosclerotic vascular complications of diabetes. The pathophysiology between T2DM and heart failure is even less understood. Currently therapies that aim to decrease the risk of heart failure in diabetes are sparse. More research is required in order to better understand the changes at a cellular level and subsequently help providers to choose therapeutics that better target cardiovascular complications.
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Association of formulary restrictions and initiation of an SGLT2i or GLP1-RA among Medicare beneficiaries with type 2 diabetes. Diabetes Res Clin Pract 2022; 187:109855. [PMID: 35346753 PMCID: PMC10767977 DOI: 10.1016/j.diabres.2022.109855] [Citation(s) in RCA: 2] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 04/05/2021] [Revised: 02/18/2022] [Accepted: 03/23/2022] [Indexed: 01/11/2023]
Abstract
BACKGROUND Use of SGLT2 inhibitors (SGLT2i) and GLP-1 receptor agonists (GLP1-RA) among older adults with type 2 diabetes (T2D) has been limited. OBJECTIVE To examine factors associated with initiation of an SGLT2i or GLP-1RA among Medicare beneficiaries with T2D in the early years after their market approval, with a particular focus on formulary restrictions (e.g. prior authorization, step therapy requirements, higher co-pays). METHODS A retrospective cohort study using data from a 5% random sample of Medicare beneficiaries with T2D followed from 1/1/2015-12/31/16. Formulary restrictiveness was defined as: (1) the number of target drugs (i.e. SGLT2is or GLP1-RAs) included in tiers 1-3 of a beneficiary's formulary (greater number of drugs in tiers 1-3 being less restrictive) and (2) the number of drugs without prior authorization or step therapy (requirement to try less expensive drugs prior to "stepping up" to more expensive therapies). We used multivariable logistic regression models to estimate the association between measures of formulary restrictiveness and initiation of a target drug, controlling for patient demographics, diabetes duration, clinical comorbidities, and provider specialty. RESULTS Among 112,985 beneficiaries with T2D, 5,619 (5%) initiated an SGLT2i or GLP1-RA. After adjusting for baseline characteristics, patients enrolled in formularies with ≥ 2 target drugs available in tiers 1-3 had 17% higher odds of initiating an SGLT2i or GLP1-RA (aOR 1.17, 95% CI 1.05-1.31) compared to patients enrolled in formularies with 0 drugs available in tiers 1-3. There was no significant association between the number of drugs without prior authorization or step therapy requirements and initiation of a target drug (aOR 0.96, 95% CI, 0.85-1.09). Age 75 years or older (vs < 65, aOR 0.23, 95% CI 0.21-0.26) and black race (vs white, aOR 0.65, 95% CI 0.59-0.71) were associated with lower odds of initiating a target drug. CONCLUSIONS Having a greater number of target drugs available on less expensive formulary tiers is associated with increased odds of initiating an SGLT2i or GLP-1RA among Medicare beneficiaries with T2D.
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An overview of current therapy options of non-alcoholic fatty liver disease. CASOPIS LEKARU CESKYCH 2022; 161:77-79. [PMID: 35728962] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Subscribe] [Scholar Register] [Indexed: 06/15/2023]
Abstract
Finding an effective treatment of non-alcoholic fatty liver disease (NAFLD) remains one of main challenges in hepatological research for the 21st century, since there is no such a treatment yet. Lifestyle modifications leading to weight reduction are cheap and effective, however only a fraction of patients reaches significant weight loss goals. Current pharmacological treatment of NAFLD comprises screening and therapy of metabolic syndrome components and minimizing of alcohol intake. There are new substances being evaluated in clinical trials, the most promising ones are semaglutide and lanifibranor.
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Glycemic Control in Hospitalized Stroke Patients: A Review. Curr Diab Rep 2021; 21:48. [PMID: 34851461 DOI: 10.1007/s11892-021-01416-1] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Accepted: 08/27/2021] [Indexed: 10/19/2022]
Abstract
PURPOSE OF REVIEW The purpose of this review is to discuss clinical trials involving glycemic control in hospitalized stroke patients and to review oral medications used in glycemic control. GLP-1 agonists, which have some preliminary studies in ischemic stroke, will also be reviewed. RECENT FINDINGS Until recently, glycemic control targets in hospitalized stroke patients remained unclear. The SHINE (Stroke Hyperglycemia Insulin Network Effort) trial demonstrated no significant difference between aggressive versus standard of care glycemic control in the acute ischemic stroke patient. Although SHINE demonstrated a lack of statistical difference in glycemic control targets, many questions remain including glycemic control in patients with other stroke types (SAH, ICH). The role of non-insulin-based medications in glycemic control for hospitalized stroke patients remains unclear and presents an opportunity for further research. Finally, GLP-1 agonists present an interesting area of research for acute ischemic stroke.
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Epicardial Fat Expansion in Diabetic and Obese Patients With Heart Failure and Preserved Ejection Fraction-A Specific HFpEF Phenotype. Front Cardiovasc Med 2021; 8:720690. [PMID: 34604353 PMCID: PMC8484763 DOI: 10.3389/fcvm.2021.720690] [Citation(s) in RCA: 14] [Impact Index Per Article: 4.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/08/2021] [Accepted: 08/09/2021] [Indexed: 12/22/2022] Open
Abstract
Heart failure with preserved ejection fraction (HFpEF) is a heterogeneous syndrome with diverse etiologies and pathophysiological factors. Obesity and type 2 diabetes mellitus (T2DM), conditions that coexist frequently, induce a cluster of metabolic and non-metabolic signaling derangements which are in favor to induce inflammation, fibrosis, myocyte stiffness, all hallmarks of HFpEF. In contrast to other HFpEF risk factors, obesity and T2DM are often associated with the generation of enlarged epicardial adipose tissue (EAT). EAT acts as an endocrine tissue that may exacerbate myocardial inflammation and fibrosis via various paracrine and vasocrine signals. In addition, an abnormally large EAT poses mechanical stress on the heart via pericardial restrain. HFpEF patients with enlarged EAT may belong to a unique phenotype that can benefit from specific EAT-targeted interventions, including life-style modifications and pharmacologically via statins and fat modifying anti-diabetics drugs; like metformin, sodium-glucose cotransporter 2 inhibitors, or glucagon-like peptide-1 receptor agonists, respectively.
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Medical and Surgical Obesity Treatments and Atherosclerosis: Mechanisms beyond Typical Risk Factors. Curr Atheroscler Rep 2021; 23:60. [PMID: 34351556 PMCID: PMC9953388 DOI: 10.1007/s11883-021-00961-0] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Accepted: 06/22/2021] [Indexed: 02/02/2023]
Abstract
PURPOSE OF REVIEW This study aims to discuss the mechanisms by which GLP-1 agonists and bariatric surgery improve cardiovascular outcomes in severely obese patients. RECENT FINDINGS Recent studies have demonstrated that both GLP-1 agonist use and bariatric surgery reduce adverse cardiovascular outcomes. Improvements in traditional atherosclerosis risk factors in association with weight loss likely contribute, but weight loss-independent mechanisms are also suggested to have roles. We review the clinical and preclinical evidence base for cardiovascular benefit of LP-1 agonists and bariatric surgery beyond traditional risk factors, including improvements in endothelial function, direct impacts on atherosclerotic plaques, and anti-inflammatory effects.
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[Medical therapy of obesity in France in 2021]. Rev Med Interne 2021; 42:519-522. [PMID: 34215456 DOI: 10.1016/j.revmed.2021.06.004] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/06/2021] [Accepted: 06/07/2021] [Indexed: 10/21/2022]
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A real-world comparison of cardiovascular, medical and costs outcomes in new users of SGLT2 inhibitors versus GLP-1 agonists. Diabetes Res Clin Pract 2021; 175:108800. [PMID: 33845052 DOI: 10.1016/j.diabres.2021.108800] [Citation(s) in RCA: 11] [Impact Index Per Article: 3.7] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 09/27/2020] [Revised: 02/19/2021] [Accepted: 04/06/2021] [Indexed: 11/23/2022]
Abstract
AIMS To compare SGLT2 inhibitors and GLP-1 agonists on cardiovascular (CV) outcomes, treatment persistence/discontinuation, healthcare utilization and costs. METHODS This retrospective cohort study utilized medical and pharmacy claims to identify new SGLT2 inhibitor or GLP-1 agonist users from January 2015 to June 2017. A total of 5,507 patients were included in each treatment group after 1:1 propensity score matching. Cox proportional hazards models were used to compare CV outcomes and treatment discontinuation. Healthcare utilization and costs were compared using Wilcoxon signed rank test. RESULTS No differences in the primary composite CV outcome or secondary CV outcome were observed. Patients using GLP-1 agonists were more likely to discontinue treatment (hazard ratio 1.15, 95% confidence interval 1.10-1.21) and more likely to have an inpatient hospitalization (14.4% vs. 11.9%, P < 0.001) or emergency department visit (27.4% vs. 23.5%, P < 0.001) compared to patients on SGLT2 inhibitors. The average per-person per-month cost difference was +$179 for total cost (P < 0.001), +$70 for medical cost (P < 0.001) and +$108 for pharmacy cost (P < 0.001) for GLP-1 agonists compared to SGLT2 inhibitors. CONCLUSIONS Differences in composite CV outcomes were not established. However, other findings that favored SGLT2 inhibitors should be weighed against the known risks associated with this therapeutic class.
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Possible dulaglutide-associated cholecystitis with safe continuation post cholecystectomy. Am J Health Syst Pharm 2021; 78:684-688. [PMID: 33594405 PMCID: PMC7929465 DOI: 10.1093/ajhp/zxab045] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/03/2022] Open
Abstract
Purpose Possible dulaglutide-induced cholecystitis, with successful resumption of dulaglutide after cholecystectomy, is discussed. Summary A 72-year-old White man was started on dulaglutide for outpatient management of type 2 diabetes, in addition to his existing antihyperglycemic regimen of metformin, glipizide, pioglitazone, and insulin glargine. His glycated hemoglobin (HbA1c) concentration improved from 8.2% to 7.2% with the addition of dulaglutide. Furthermore, the use of dulaglutide did not lead to weight loss. After 16 months of treatment with dulaglutide, he presented to the emergency room with nausea, loss of appetite, and progressive sharp, nonradiating right upper quadrant pain. Based on symptom presentation, laboratory workup, and computed tomography scan results, acute cholecystitis was diagnosed. He underwent a cholecystectomy to remove what was found to be a gangrenous gallbladder. Per documented surgical dictation from the cholecystectomy, the gallbladder was removed, but portions of the biliary tree were left intact. The patient was continued on dulaglutide postoperatively without recurrence of bile stones, biliary tree disease, or abdominal symptoms at 8 months after initial cholecystitis incident. Conclusion A male patient with possible dulaglutide-induced cholecystitis was successfully continued on dulaglutide therapy post cholecystectomy without recurrent complications within the biliary tract.
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Abstract
Over the past 40 years there has been a steady rise in the number of people with chronic kidney disease due mainly to a significant increase in the number of people with diabetic kidney disease (DKD). Current treatments (blood pressure control, blood sugar control, and renin-angiotensin-aldosterone system inhibitors) have had a significant impact on slowing progression of DKD. But the continued rise illustrates that there is a great need for new medications. Recently, a number of potentially reno-protective medicines have been studied. In this review, these new medications are discussed with respect to both their reported benefits and possible risks.
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Antidiabetic drugs and non-alcoholic fatty liver disease: A systematic review, meta-analysis and evidence map. Dig Liver Dis 2021; 53:44-51. [PMID: 32912770 DOI: 10.1016/j.dld.2020.08.021] [Citation(s) in RCA: 43] [Impact Index Per Article: 14.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 04/25/2020] [Revised: 08/08/2020] [Accepted: 08/16/2020] [Indexed: 12/11/2022]
Abstract
BACKGROUND The efficacy of antidiabetic agents for the treatment of non-alcoholic fatty liver disease (NAFLD) remains unclear. AIM To conduct a meta-analysis to study the efficacy of pioglitazone and three novel anti-diabetic agents: glucagon-like peptide-1 (GLP-1) agonists, sodium-glucose co-transporter-2 (SGLT2) inhibitors, and dipeptidyl-peptidase-4 (DPP4) inhibitors in treating NAFLD. METHODS Online databases were searched in May 2020 for randomized clinical trials. Results from random-effects meta-analysis are presented as weighted mean differences (WMDs) or standard mean differences (SMDs) and corresponding 95% confidence intervals (CIs). RESULTS Twenty-six studies (n=946 NAFLD patients) were included. Reductions in ALT were seen with all four drugs: pioglitazone (MD -38.41, p<0.001), SGLT2 inhibitors (MD -16.17, p<0.001), GLP-1 agonists (MD -27.98, p=0.04) and DPP-4 inhibitors (MD -7.41, p<0.001). Pioglitazone (SMD -1.01; p<0.001) and GLP-1 agonists (SMD -2.53, p=0.03) also demonstrated significant improvements in liver steatosis. SGLT2 inhibitors (SMD -4.64, p=0.06) and DPP-4 (SMD -2.49, p=0.06) inhibitors trended towards reduced steatosis; however, these results were non-significant. CONCLUSION Pioglitazone demonstrates significant improvements in transaminases and liver histology in both diabetic and non-diabetic NAFLD patients. Early evidence from diabetic NAFLD patients suggests that novel antidiabetics may lead to improvements in liver enzymes and hepatic steatosis, and this should encourage further research into possible utility of these drugs in treating NAFLD.
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Insight in the safety profile of antidiabetic agents glucagon-like peptide-1 agonists and dipeptidyl peptidase-4 inhibitors in daily practice from the patient perspective. Pharmacoepidemiol Drug Saf 2020; 29:1588-1595. [PMID: 32854158 DOI: 10.1002/pds.5077] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/15/2019] [Revised: 06/19/2020] [Accepted: 06/25/2020] [Indexed: 11/08/2022]
Abstract
PURPOSE The primary aim of this study was to gain insight in the safety profile of the new antidiabetic agents glucagon-like peptide-1 (GLP-1) agonists and dipeptidyl peptidase-4 (DPP-4) inhibitors in daily practice. The secondary aim was to compare reported adverse drug reactions (ADRs) with information described in the Summary of Product Characteristics (SPC) and to generate knowledge about characteristics, like time to onset and outcome of ADRs. This knowledge is important for drug regulators and clinical practice to understand and manage ADRs better. METHODS A prospective, observational web-based cohort event monitoring study among first-time users of GLP-1 agonists and DPP-4 inhibitors. Patients were recruited through community pharmacies from 2008 to 2016. Participants were invited to complete six web-based questionnaires over a 1-year periods after start of the antidiabetic agent. Questions were posed about patient characteristics, drug use, and ADRs. Data were analyzed using descriptive statistics. RESULTS Then, 743 patients were included. Also 62% of all GLP-1 agonist users (total n = 119) and 33% of DPP-4 inhibitor users (total n = 624) experienced an ADR. Of the 10 most reported ADRs, for GLP-1 agonist all, and for DPP-4 inhibitors 8 were described in the drug's SPC. For 45 (91%) ADRs, the patients recovered without discontinuation of the GLP-1 agonist and 79 (73%) ADRs without discontinuation of the DPP-4 inhibitor therapy. CONCLUSIONS This study gives insight in the safety profile and ADR characteristics of the new antidiabetic agents. This study provides important knowledge for healthcare professionals in managing ADRs and can be directly applied in consultations in daily practice.
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Abstract
The COVID-19 pandemic is caused by the severe acute-respiratory-syndrome-coronavirus-2 that uses ACE2 as its receptor. Drugs that raise serum/tissue ACE2 levels include ACE inhibitors (ACEIs) and angiotensin-II receptor blockers (ARBs) that are commonly used in patients with hypertension, cardiovascular disease and/or diabetes. These comorbidities have adverse outcomes in COVID-19 patients that might result from pharmacotherapy. Increasing ACE2 could potentially increase the risk of infection, severity or mortality in COVID-19 or it might be protective as it forms angiotensin-(1-7) which exhibits anti-inflammatory/anti-oxidative effects and prevents diabetes- and/or hypertension-induced end-organ damage. Thus, there existed clinical uncertainty. Here, we review studies implicating 15 classes of drugs in increasing ACE2 levels in vivo and the available literature on the clinical safety of these drugs in COVID-19 patients. Further, in a re-analysis of clinical data from a meta-analysis of 9 studies, we show that ACEIs/ARBs usage was not associated with an increased risk of all-cause mortality. Literature suggests that ACEIs/ARBs usage generally appears to be clinically safe though their use in severe COVID-19 patients might increase the risk of acute renal injury. For definitive clarity, further clinical and mechanistic studies are needed in assessing the safety of all classes of ACE2 raising medications.
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Pleiotropic effects of antidiabetic agents on renal and cardiovascular outcomes: a meta-analysis of randomized controlled trials. Int Urol Nephrol 2020; 52:1733-1745. [PMID: 32524495 DOI: 10.1007/s11255-020-02520-z] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/03/2020] [Accepted: 05/25/2020] [Indexed: 11/30/2022]
Abstract
BACKGROUND This meta-analysis was conducted to examine the pleiotropic effects of all available antidiabetic agents except insulin for type 2 diabetes on renal and cardiovascular outcomes. METHODS A systematic literature search was performed in PubMed, EMBASE, and Cochrane database to identify randomized-controlled trials which compared the effectiveness between all antidiabetic agents apart from insulin regarding all aspects of renal and cardiovascular outcomes. Random effect model was utilized to compute for hazard ratio. RESULTS Nineteen articles with 140,851 participants were included in this meta-analysis. When compared with placebo, SGLT-2 inhibitors, GLP-1 agonists, and DPP-4 inhibitors exhibited significantly lower hazard ratios of progression of albuminuria. SGLT-2 inhibitors and DPP-4 inhibitors showed a significantly higher hazard ratio of regression of albuminuria. Only SGLT-2 inhibitors illustrated significantly lower hazard ratios of doubling of serum creatinine and incidence of renal replacement therapy (RRT). A significantly lower hazard ratio of composite renal outcome was detected in both SGLT-2 inhibitors and GLP-1 agonists. A significantly lower hazard ratio of all-cause mortality was identified in SGLT-2 inhibitors and GLP-1 agonist. Furthermore, a significantly lower hazard ratio of cardiovascular mortality was found in both SGLT-2 inhibitors and GLP-1 agonists. CONCLUSION Comparing across all antidiabetic agents apart from insulin, SGLT-2 inhibitors provided extensively renoprotective effects among diabetic patients as well as reduced hazard ratios of heart failure, cardiovascular mortality, and all-cause mortality. GLP-1 agonists yielded benefits regarding progression of albuminuria, composite renal outcome, and cardiovascular and all-cause mortalities. DPP-4 inhibitors offered only renal protection including progression and regression of albuminuria.
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Current Data Regarding the Relationship between Type 2 Diabetes Mellitus and Cardiovascular Risk Factors. Diagnostics (Basel) 2020; 10:diagnostics10050314. [PMID: 32429441 PMCID: PMC7277953 DOI: 10.3390/diagnostics10050314] [Citation(s) in RCA: 48] [Impact Index Per Article: 12.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/05/2020] [Revised: 05/06/2020] [Accepted: 05/14/2020] [Indexed: 02/06/2023] Open
Abstract
Reducing cardiovascular risk (CVR) is the main focus of diabetes mellitus (DM) management nowadays. Complex pathogenic mechanisms that are the subject of this review lead to early and severe atherosclerosis in DM patients. Although it is not a cardiovascular disease equivalent at the moment of diagnosis, DM subjects are affected by numerous cardiovascular complications, such as acute coronary syndrome, stroke, or peripheral artery disease, as the disease duration increases. Therefore, early therapeutic intervention is mandatory and recent guidelines focus on intensive CVR factor management: hyperglycaemia, hypertension, and dyslipidaemia. Most important, the appearance of oral or injectable antidiabetic medication such as SGLT-2 inhibitors or GLP-1 agonists has proven that an antidiabetic drug not only reduces glycaemia, but also reduces CVR by complex mechanisms. A profound understanding of intimate mechanisms that generate atherosclerosis in DM and ways to inhibit or delay them are of the utmost importance in a society where cardiovascular morbidity and mortality are predominant.
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Why the endothelium? The endothelium as a target to reduce diabetes-associated vascular disease. Can J Physiol Pharmacol 2020; 98:415-430. [PMID: 32150686 DOI: 10.1139/cjpp-2019-0677] [Citation(s) in RCA: 25] [Impact Index Per Article: 6.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/15/2022]
Abstract
Over the past 66 years, our knowledge of the role of the endothelium in the regulation of cardiovascular function and dysfunction has advanced from the assumption that it is a single layer of cells that serves as a barrier between the blood stream and vascular smooth muscle to an understanding of its role as an essential endocrine-like organ. In terms of historical contributions, we pay particular credit to (1) the Canadian scientist Dr. Rudolf Altschul who, based on pathological changes in the appearance of the endothelium, advanced the argument in 1954 that "one is only as old as one's endothelium" and (2) the American scientist Dr. Robert Furchgott, a 1998 Nobel Prize winner in Physiology or Medicine, who identified the importance of the endothelium in the regulation of blood flow. This review provides a brief history of how our knowledge of endothelial function has advanced and now recognize that the endothelium produces a plethora of signaling molecules possessing paracrine, autocrine, and, arguably, systemic hormone functions. In addition, the endothelium is a therapeutic target for the anti-diabetic drugs metformin, glucagon-like peptide I (GLP-1) receptor agonists, and inhibitors of the sodium-glucose cotransporter 2 (SGLT2) that offset the vascular disease associated with diabetes.
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The efficacy and safety of combinations of SGLT2 inhibitors and GLP-1 receptor agonists in the treatment of type 2 diabetes or obese adults: a systematic review and meta-analysis. Endocrine 2020; 67:294-304. [PMID: 31900793 DOI: 10.1007/s12020-019-02175-6] [Citation(s) in RCA: 20] [Impact Index Per Article: 5.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 11/13/2019] [Accepted: 12/23/2019] [Indexed: 12/14/2022]
Abstract
PURPOSE To evaluate the efficacy and safety of combination therapy with sodium-glucose cotransporter 2 (SGLT2) inhibitors and glucagon-like peptide-1 (GLP-1) receptor agonists in the treatment of type 2 diabetes mellitus (T2DM) or obese adults. METHODS A meta-analysis was conducted of trials by searching in PubMed, Embase, CENTRAL, Web of Science, and Scopus. RESULTS A total of five randomized controlled trials (RCTs) and six nonrandomized controlled trials (NCTs) enrolled 1604 participants were identified for meta-analysis. Compared with control/placebo, the combination therapy group had significantly reduced fasting plasma glucose level and 2 h postprandial glucose by 1.28 mmol/L (95% confidence interval [CI]: -1.39, -1.16; p < 0.001) and 1.34 mmol/L (95% CI: -1.47, -1.21; p < 0.001); glycosylated hemoglobin (HbA1c) by 1.32% (95% CI: -1.43, -1.20; p < 0.001); body weight by 0.93 kg (95% CI: -1.04, -0.83; p < 0.001), and systolic blood pressure (SBP) by 1.05 mmHg (95% CI: -1.17, -0.93; p < 0.001). The incidence of genital mycotic infections and urinary infections did not significantly differ from those in the control group, with relative risks (RRs) of 1.67 (95% CI: 0.85, 3.27; p = 0.651) and 1.25 (95% CI: 0.73, 2.15; p = 0.905), respectively. A decreased incidence of cardiovascular events was seen in the combination therapy group (RR = 0.19; 95% CI: 0.04, 0.96; p = 0.403), while an incidence of hypoglycemia was reported (RR = 2.22; 95% CI: 1.20, 4.10; p = 0.71). CONCLUSIONS SGLT2 inhibitors and GLP-1 agonists combination treatment improved glycemic control, reduced body weight, and decreased SBP without an increase in total adverse events or genital and urinary infections in patients with T2DM or obesity.
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Effects of antidiabetic drugs on left ventricular function/dysfunction: a systematic review and network meta-analysis. Cardiovasc Diabetol 2020; 19:10. [PMID: 31969144 PMCID: PMC6977298 DOI: 10.1186/s12933-020-0987-x] [Citation(s) in RCA: 21] [Impact Index Per Article: 5.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 11/14/2019] [Accepted: 01/11/2020] [Indexed: 02/07/2023] Open
Abstract
BACKGROUND Although a variety of antidiabetic drugs have significant protective action on the cardiovascular system, it is still unclear which antidiabetic drugs can improve ventricular remodeling and fundamentally delay the process of heart failure. The purpose of this network meta-analysis is to compare the efficacy of sodium glucose cotransporter type 2 (SGLT-2) inhibitors, dipeptidyl peptidase-4 (DPP-4) inhibitors, glucagon-like peptide-1 (GLP-1) agonists, metformin (MET), sulfonylurea (SU) and thiazolidinediones (TZDs) in improving left ventricular (LV) remodeling in patients with type 2 diabetes (T2DM) and/or cardiovascular disease (CVD). METHODS We searched articles published before October 18, 2019, regardless of language or data, in 4 electronic databases: PubMed, EMBASE, Cochrane Library and Web of Science. We included randomized controlled trials in this network meta-analysis, as well as a small number of cohort studies. The differences in the mean changes in left ventricular echocardiographic parameters between the treatment group and control group were evaluated. RESULTS The difference in the mean change in LV ejection fraction (LVEF) between GLP-1 agonists and placebo in treatment effect was greater than zero (MD = 2.04% [0.64%, 3.43%]); similar results were observed for the difference in the mean change in LV end-diastolic diameter (LVEDD) between SGLT-2 inhibitors and placebo (MD = - 3.3 mm [5.31, - 5.29]), the difference in the mean change in LV end-systolic volume (LVESV) between GLP-1 agonists and placebo (MD = - 4.39 ml [- 8.09, - 0.7]); the difference in the mean change in E/e' between GLP-1 agonists and placebo (MD = - 1.05[- 1.78, - 0.32]); and the difference in the mean change in E/e' between SGLT-2 inhibitors and placebo (MD = - 1.91[- 3.39, - 0.43]). CONCLUSIONS GLP-1 agonists are more significantly associated with improved LVEF, LVESV and E/e', SGLT-2 inhibitors are more significantly associated with improved LVEDD and E/e', and DPP-4 inhibitors are more strongly associated with a negative impact on LV end-diastolic volume (LVEDV) than are placebos. SGLT-2 inhibitors are superior to other drugs in pairwise comparisons.
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Effect of Weight Loss Medications on Hepatic Steatosis and Steatohepatitis: A Systematic Review. Front Endocrinol (Lausanne) 2020; 11:70. [PMID: 32153507 PMCID: PMC7046622 DOI: 10.3389/fendo.2020.00070] [Citation(s) in RCA: 17] [Impact Index Per Article: 4.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 10/17/2019] [Accepted: 02/03/2020] [Indexed: 12/25/2022] Open
Abstract
Non-alcoholic fatty liver disease (NAFLD) is a common comorbidity in individuals with obesity. Although multiple pharmacotherapeutics are in development, currently there are limited strategies specifically targeting NAFLD. This systematic review summarizes the existing literature on hepatic effects of medications used for weight loss. Glucagon-like peptide 1 (GLP-1) agonists are the best-studied in this regard, and evidence consistently demonstrates reduction in liver fat content, sometimes accompanied by improvements in histological features of steatohepatitis and reductions in serum markers of hepatic injury such as alanine aminotransferase (ALT). It remains unclear whether these benefits are independent of the weight loss caused by these agents. Literature is limited regarding effects of orlistat, but a small number of reports suggest that orlistat reduces liver fat content and improves histologic features of NASH, benefits which may also be driven primarily by weight loss. A sizeable body of literature on hepatic effects of metformin yields mixed results, with a probability of modest benefit, but no consistent signal for strong benefit. There are insufficient data on hepatic effects of topiramate, phentermine, naltrexone, bupropion, and lorcaserin. Finally, a few studies to date suggest that sodium-glucose co-transporter-2 (SGLT2) inhibitors may reduce liver fat content and cause modest reductions in ALT, but further study is needed to better characterize these effects. Based on available data, GLP-1 agonists have the strongest evidence base demonstrating beneficial effects on NAFLD, but it is not clear if any weight loss medication has effects on NAFLD superior to those of nutritional modification and exercise alone.
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Abstract
PURPOSE OF REVIEW Our goal is to discuss how to personalize the management of patients with type 2 diabetes by adjusting glycemic targets and tailoring medical therapy to account for unique patient characteristics. RECENT FINDINGS We review the pharmacotherapeutic options for the management of type 2 diabetes, focusing on potential advantages and disadvantages of each class of agents. We also discuss how to approach specific patient subpopulations and propose a conceptual framework for incorporating these factors into clinical practice. As the diabetes treatment landscape rapidly expands, physicians have the exciting opportunity to offer patients increasingly individualized care.
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Mechanisms by Which Glucagon-Like-Peptide-1 Receptor Agonists and Sodium-Glucose Cotransporter-2 Inhibitors Reduce Cardiovascular Risk in Adults With Type 2 Diabetes Mellitus. Can J Diabetes 2019; 44:93-102. [PMID: 31882322 DOI: 10.1016/j.jcjd.2019.09.003] [Citation(s) in RCA: 26] [Impact Index Per Article: 5.2] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 08/29/2019] [Accepted: 09/09/2019] [Indexed: 02/06/2023]
Abstract
The growing global burden of type 2 diabetes mellitus confers significant morbidity and mortality in addition to significant cost to local health-care systems. In recent years, 2 classes of therapies have shown some promise in reducing the risk of adverse cardiovascular (CV) events: 1) glucagon-like-peptide-1 (GLP-1) receptor agonists and 2) sodium-glucose cotransporter-2 (SGLT-2) inhibitors. The mechanisms whereby these therapies reduce the risk of adverse CV outcomes are emerging. Both classes of therapies have overlapping yet distinct mechanisms of action. GLP-1 receptor agonists appear to target the incretin axis, inhibit gastric mobility pathways, modify CV risk factors through weight reduction, induce protection of ischemia/reperfusion injury and improve endothelial dysfunction. In comparison, SGLT-2 inhibitors appear to improve ventricular loading conditions, reduce sympathetic nervous system activation, reduce cardiac fibrosis, reduce renal hypoxia and renal-cardiac signalling, reduce left ventricular mass and improve cardiac energetics. In this review, we summarize the potential mechanisms whereby GLP-1 receptor agonists and SGLT-2 inhibitors improve CV outcomes in patients with type 2 diabetes and highlight evidence for their use in populations without diabetes.
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Therapeutic Strategies for Alzheimer's Disease in the View of Diabetes Mellitus. ADVANCES IN EXPERIMENTAL MEDICINE AND BIOLOGY 2019; 1128:227-248. [PMID: 31062332 DOI: 10.1007/978-981-13-3540-2_11] [Citation(s) in RCA: 12] [Impact Index Per Article: 2.4] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 12/12/2022]
Abstract
Recently, Alzheimer's disease (AD) is understood as "diabetes of the brain" or "type 3 diabetes." Recent clinical trials of anti-amyloid β-protein (Aβ) therapies have not proved to be successful. Thus, glucose-insulin metabolism in the brain is thought to be an alternative therapeutic target. Various types of antidiabetic drugs such as insulin, thiazolidinediones, dipeptidyl peptidase-4 (DPP4) inhibitors, glucagon-like peptide-1 (GLP-1) agonists, biguanides, and others have been reported to be effective on cognitive impairment in animal models and patients with DM or AD. Here, recent reports are reviewed. While we identified apomorphine (APO) as a novel drug that promoted intracellular Aβ degradation and improved memory function in an AD mouse model, more recently, we have revealed that APO treatment improves neuronal insulin resistance and activates insulin-degrading enzyme (IDE), a major Aβ-degrading enzyme. In this context, recovery of impaired insulin signaling in AD neurons may be a promising therapeutic strategy for AD dementia.
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Mechanistic insights regarding the role of SGLT2 inhibitors and GLP1 agonist drugs on cardiovascular disease in diabetes. Prog Cardiovasc Dis 2019; 62:349-357. [PMID: 31381891 DOI: 10.1016/j.pcad.2019.07.005] [Citation(s) in RCA: 48] [Impact Index Per Article: 9.6] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 07/19/2019] [Accepted: 07/19/2019] [Indexed: 12/22/2022]
Abstract
The treatment landscape for patients with established or at high risk for cardiovascular disease and type 2 diabetes mellitus has entirely changed over the past decade, with the introduction of several anti-hyperglycemic agents. Sodium-glucose cotransporter 2 (SGLT2) inhibitors and glucagon-like peptide-1 (GLP-1) agonists are two anti-hyperglycemic classes which have been of special interest after multiple large cardiovascular disease (CVD) outcomes studies have demonstrated superiority of these agents compared to placebo for major adverse CVD events and in some cases, hospitalization for heart failure. Despite the dramatic results of these trials, only recently have we began to understand the mechanisms underlying these CVD benefits. Here we review the underlying mechanisms which have the greatest plausibility for both of these agents including the impact of ventricular loading conditions, direct effects on cardiac structure and function, myocardial energetics and sodium/hydrogen exchange for SGLT2 inhibitors, and the anti-atherosclerotic, anti-inflammatory, and modulation of endothelial function for GLP-1 agonists.
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Natural history of ROHHAD syndrome: development of severe insulin resistance and fatty liver disease over time. Clin Diabetes Endocrinol 2019; 5:9. [PMID: 31333877 PMCID: PMC6617654 DOI: 10.1186/s40842-019-0082-y] [Citation(s) in RCA: 13] [Impact Index Per Article: 2.6] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 02/04/2019] [Accepted: 06/24/2019] [Indexed: 12/31/2022] Open
Abstract
Background Rapid-onset obesity with hypothalamic dysfunction, hypoventilation, and autonomic dysregulation (ROHHAD) is a rare syndrome with unknown etiology. Metabolic abnormalities are not known to be part of the syndrome. We present one of the oldest cases reported in the literature, who developed severe metabolic abnormalities and hepatic disease suggesting that these features may be part of the syndrome. Case presentation A 27-year-old woman, diagnosed with ROHHAD syndrome at age 15, who previously developed diabetes insipidus, growth hormone deficiency, hyperprolactinemia, and hypothyroidism in her first decade of life. This was followed by insulin resistance, NAFLD, liver fibrosis, and splenomegaly before age 14 years. Her regimen included a short course of growth hormone, and cyclic estrogen and progesterone. Her metabolic deterioration continued despite treatment with metformin. Interestingly, she had a favorable response to liraglutide therapy despite having a centrally mediated cause for her obesity. At age 26, a 1.6 cm lesion was found incidentally in her liver. Liver biopsy showed hepatocellular carcinoma which was successfully treated with radiofrequency ablation. Conclusion Metabolic abnormalities, Insulin resistance and fatty liver disease are potentially part of the ROHHAD syndrome that may develop over time. GLP1 agonists were reasonably effective to treat insulin resistance and hyperphagia. Patients with ROHHAD may benefit from close follow up in regards to liver disease. Electronic supplementary material The online version of this article (10.1186/s40842-019-0082-y) contains supplementary material, which is available to authorized users.
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Nonglycemic Effects of GLP-1 Agonists: From a Starling to Lizards to People. Metab Syndr Relat Disord 2019; 17:303-313. [PMID: 31145029 DOI: 10.1089/met.2018.0134] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.6] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/06/2023] Open
Abstract
With the approval of exenatide in 2005, physicians had a new class of hypoglycemic agents available for the treatment of type 2 diabetes-the glucagon-like peptide-1 receptor agonists (or GLP-1 receptor agonists). As of this writing, there are seven drugs in this class available in the United States. In addition to demonstrating either cardiovascular risk neutrality or overt benefit, as now mandated by the United States Food and Drug Administration (FDA), many of these drugs have other, unexpected actions. It is our goal to outline these actions, some beneficial, some not. We have reviewed English-language articles in this area, not for an exhaustive study, but rather a broad search to define current understanding and perhaps generate further investigation.
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