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Pandey AK, Bhatt DL, Pandey A, Marx N, Cosentino F, Pandey A, Verma S. Mechanisms of benefits of sodium-glucose cotransporter 2 inhibitors in heart failure with preserved ejection fraction. Eur Heart J 2023; 44:3640-3651. [PMID: 37674356 DOI: 10.1093/eurheartj/ehad389] [Citation(s) in RCA: 6] [Impact Index Per Article: 6.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 12/09/2022] [Revised: 03/07/2023] [Accepted: 05/29/2023] [Indexed: 09/08/2023] Open
Abstract
For decades, heart failure with preserved ejection fraction (HFpEF) proved an elusive entity to treat. Sodium-glucose cotransporter 2 (SGLT2) inhibitors have recently been shown to reduce the composite of heart failure hospitalization or cardiovascular death in patients with HFpEF in the landmark DELIVER and EMPEROR-Preserved trials. While improvements in blood sugar, blood pressure, and attenuation of kidney disease progression all may play some role, preclinical and translational research have identified additional mechanisms of these agents. The SGLT2 inhibitors have intriguingly been shown to induce a nutrient-deprivation and hypoxic-like transcriptional paradigm, with increased ketosis, erythropoietin, and autophagic flux in addition to altering iron homeostasis, which may contribute to improved cardiac energetics and function. These agents also reduce epicardial adipose tissue and alter adipokine signalling, which may play a role in the reductions in inflammation and oxidative stress observed with SGLT2 inhibition. Emerging evidence also indicates that these drugs impact cardiomyocyte ionic homeostasis although whether this is through indirect mechanisms or via direct, off-target effects on other ion channels has yet to be clearly characterized. Finally, SGLT2 inhibitors have been shown to reduce myofilament stiffness as well as extracellular matrix remodelling/fibrosis in the heart, improving diastolic function. The SGLT2 inhibitors have established themselves as robust, disease-modifying therapies and as recent trial results are incorporated into clinical guidelines, will likely become foundational in the therapy of HFpEF.
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Affiliation(s)
- Arjun K Pandey
- Michael G. DeGroote School of Medicine, McMaster University, 90 Main Street West, Hamilton, Ontario L8P 1H6, Canada
| | - Deepak L Bhatt
- Mount Sinai Heart, Icahn School of Medicine at Mount Sinai Health System, 1 Gustave L. Levy Place, New York, NY 10029, USA
| | - Avinash Pandey
- Department of Medicine, University of Ottawa Heart Institute, 40 Ruskin St, Ottawa, Ontario K1Y 4W7, Canada
| | - Nikolaus Marx
- Department of Internal Medicine, University Hospital Aachen, RWTH Aachen University, Templergraben 55, 52062 Aachen, Germany
| | - Francesco Cosentino
- Division of Cardiology, Department of Medicine, Solna, Karolinska Institutet, Norrbacka S1:02, Stockholm, SE 17177, Sweden
- Heart, Vascular and Neuro Theme, Department of Cardiology, Karolinska University Hospital, Anna Steckséns gata 41, 171 64 Solna, Sweden
| | - Ambarish Pandey
- Division of Cardiology, Department of Internal Medicine, UT Southwestern Medical Center, 5323 Harry Hines Boulevard, Dallas, TX 75390, USA
| | - Subodh Verma
- Division of Cardiac Surgery, Li Ka Shing Knowledge Institute of St. Michael's Hospital, University of Toronto, 30 Bond Street, Toronto, ON, Canada
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Scheen AJ. The current role of SGLT2 inhibitors in type 2 diabetes and beyond: a narrative review. Expert Rev Endocrinol Metab 2023; 18:271-282. [PMID: 37154218 DOI: 10.1080/17446651.2023.2210673] [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: 01/09/2023] [Accepted: 05/02/2023] [Indexed: 05/10/2023]
Abstract
INTRODUCTION Sodium-glucose cotransporter 2 inhibitors (SGLT2is, gliflozins), the most recent oral antihyperglycaemic agents, provide a cardiorenal protection, an effect independent of their glucose-lowering potency. AREAS COVERED The antihyperglycaemic potency of SGLT2is was compared with that of dipeptidyl peptidase-4 inhibitors and glucagon-like peptide-1 receptor agonists, especially when added to metformin monotherapy. Main results of cardiovascular/renal outcome trials with SGLT2is were summarized in different populations: patients with type 2 diabetes mellitus (T2DM) with or without established cardiovascular disease, patients (with or without T2DM) with heart failure (with reduced or preserved left ventricular ejection fraction) and in patients (with or without T2DM) with chronic kidney disease (CKD, including stage 4). Original papers and meta-analyses of these different trials have consistently reported a reduction in hospitalization for heart failure (alone or combined with cardiovascular mortality) and a reduced progression of CKD, with an overall good safety profile. EXPERT OPINION Global use of SGLT2is has increased over time but remains suboptimal despite clinically relevant cardiovascular and renal protection, particularly in patients most likely to benefit. SGLT2is has proven both positive benefit-risk balance and cost-effectiveness in at risk patients. New prospects are expected in other complications, i.e. metabolic-associated fatty liver disease and neurodegenerative disorders.
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Affiliation(s)
- André J Scheen
- Division of Diabetes, Nutrition and Metabolic Disorders, Department of Medicine, CHU Liège, Liège, Belgium
- Division of Clinical Pharmacology, Centre for Interdisciplinary Research on Medicines (CIRM), Liège University, Liège, Belgium
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Dagogo-Jack S, Frederich R, Liu J, Cannon CP, Shi H, Cherney DZI, Cosentino F, Masiukiewicz U, Gantz I, Pratley RE. Ertugliflozin Delays Insulin Initiation and Reduces Insulin Dose Requirements in Patients With Type 2 Diabetes: Analyses From VERTIS CV. J Clin Endocrinol Metab 2023; 108:2042-2051. [PMID: 36702781 PMCID: PMC10348468 DOI: 10.1210/clinem/dgac764] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 09/13/2022] [Indexed: 01/28/2023]
Abstract
CONTEXT VERTIS CV evaluated the cardiovascular safety of ertugliflozin in patients with type 2 diabetes and atherosclerotic cardiovascular disease (ASCVD). OBJECTIVE The aim of these analyses was to assess the insulin requirements of VERTIS CV patients over the trial duration. METHODS Patients received ertugliflozin 5 mg, 15 mg, or placebo once daily; mean follow-up was 3.5 years. Time to insulin initiation in patients who were insulin naïve at baseline, change in insulin dose in patients receiving baseline insulin, and hypoglycemia incidence in both patient groups were assessed. RESULTS In VERTIS CV, mean duration of type 2 diabetes was 13.0 years; glycated hemoglobin was 8.2%. Among 4348 (53%) insulin-naïve patients, the likelihood of insulin initiation was significantly reduced with ertugliflozin vs placebo (ertugliflozin 5 mg: hazard ratio [HR] 0.70, 95% CI 0.58-0.84; ertugliflozin 15 mg: HR 0.64, 95% CI 0.53-0.78). Time to insulin initiation was delayed with ertugliflozin; the estimated delay in reaching a 10% cumulative incidence of new insulin initiations vs placebo was 399 days with ertugliflozin 5 mg and 669 days with ertugliflozin 15 mg. Among 3898 (47%) patients receiving baseline insulin, the likelihood of requiring a ≥20% increase in insulin dose was significantly reduced with ertugliflozin vs placebo (ertugliflozin 5 mg: HR 0.62, 95% CI 0.52-0.75; ertugliflozin 15 mg: HR 0.51, 95% CI 0.41-0.62). The incidence of hypoglycemia events was not increased with ertugliflozin treatment. CONCLUSION In VERTIS CV patients, ertugliflozin reduced the likelihood of insulin initiation, delayed the time to insulin initiation by up to ∼1.8 years, and reduced insulin dose requirements vs placebo, without increasing hypoglycemia events.
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Affiliation(s)
- Samuel Dagogo-Jack
- Division of Endocrinology, Diabetes & Metabolism, University of Tennessee Health Science Center, Memphis, TN 38163, USA
| | | | - Jie Liu
- Merck & Co., Inc., Rahway, NJ 07065, USA
| | - Christopher P Cannon
- Cardiovascular Division, Brigham and Women's Hospital, Harvard Medical School, Boston, MA 02115, USA
| | - Harry Shi
- Pfizer Inc., New York, NY 10017, USA
| | - David Z I Cherney
- Division of Nephrology, University of Toronto, Toronto, Ontario M5G 2C4, Canada
| | - Francesco Cosentino
- Unit of Cardiology, Karolinska Institute and Karolinska University Hospital, Stockholm SE171 77, Sweden
| | | | - Ira Gantz
- Merck & Co., Inc., Rahway, NJ 07065, USA
| | - Richard E Pratley
- AdventHealth Translational Research Institute, Orlando, FL 32804, USA
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Kudo A, Machii N, Ono T, Saito H, Oshiro Y, Takahashi R, Oshiro K, Taneda Y, Higa M, Nakachi K, Yagi S, Masuzaki H, Sata M, Shimabukuro M. Effect of dapagliflozin on 24-hour glycemic variables in Japanese patients with type 2 diabetes mellitus receiving basal insulin supported oral therapy (DBOT): a multicenter, randomized, open-label, parallel-group study. BMJ Open Diabetes Res Care 2023; 11:11/2/e003302. [PMID: 37028805 PMCID: PMC10083793 DOI: 10.1136/bmjdrc-2022-003302] [Citation(s) in RCA: 1] [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: 12/30/2022] [Accepted: 03/04/2023] [Indexed: 04/09/2023] Open
Abstract
INTRODUCTION This study aimed to evaluate the impacts of dapagliflozin on 24-hour glucose variability and diabetes-related biochemical variables in Japanese patients with type 2 diabetes who had received basal insulin supported oral therapy (BOT). RESEARCH DESIGN AND METHODS Changes in mean daily blood glucose level before and after 48-72 hours of add-on or no add-on of dapagliflozin (primary end point) and diabetes-related biochemical variables and major safety variables during the 12 weeks (secondary end point) were evaluated in the multicenter, randomized, two-arm, open-label, parallel-group comparison study. RESULTS Among 36 participants, 18 were included in the no add-on group and 18 were included in the dapagliflozin add-on group. Age, gender, and body mass index were comparable between the groups. There were no changes in continuous glucose monitoring metrics in the no add-on group. In the dapagliflozin add-on group, mean glucose (183-156 mg/dL, p=0.001), maximum glucose (300-253, p<0.01), and SD glucose (57-45, p<0.05) decreased. Time in range increased (p<0.05), while time above the range decreased in the dapagliflozin add-on group but not in the no add-on group. After 12-week treatment with dapagliflozin add-on, 8-hydroxy-2'-deoxyguanosine (8OHdG), as well as hemoglobin A1c (HbA1c), decreased. CONCLUSIONS This study showed that the mean daily blood glucose and other daily glucose profiles were amended after 48-72 hours of dapagliflozin add-on in Japanese patients with type 2 diabetes who received BOT. The diabetes-related biochemical variables such as HbA1c and urinary 8OHdG were also obtained during the 12 weeks of dapagliflozin add-on without major adverse events. A preferable 24-hour glucose profile in 'time in ranges' and an improvement in reactive oxygen species by dapagliflozin warrant us to evaluate these benefits in larger clinical studies. TRIAL REGISTRATION NUMBER UMIN000019457.
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Affiliation(s)
- Akihiro Kudo
- Department of Diabetes, Endocrinology and Metabolism, Fukushima Medical University School of Medicine, Fukushima, Japan
| | - Noritaka Machii
- Department of Diabetes, Endocrinology and Metabolism, Fukushima Medical University School of Medicine, Fukushima, Japan
| | - Toshio Ono
- Department of Diabetes and Endocrinology, Iwaki City Medical Center, Iwaki, Japan
| | - Haruka Saito
- Department of Diabetes, Endocrinology and Metabolism, Fukushima Medical University School of Medicine, Fukushima, Japan
| | | | - Ryu Takahashi
- Department of Diabetes and Endocrinology, Ohama Daiichi Hospital, Naha, Japan
| | | | | | - Moritake Higa
- Department of Diabetes and Lifestyle-Related Disease Center, Tomishiro Central Hospital, Tomigusuku, Japan
| | - Ken Nakachi
- Department of Diabetes and Endocrinology, Shonan Hospital, Okinawa, Japan
| | - Shusuke Yagi
- Department of Cardiovascular Medicine, Tokushima University Graduate School of Biomedical Sciences, Tokushima, Japan
| | - Hiroaki Masuzaki
- Division of Endocrinology and Metabolism, Second Department of Internal Medicine, University of the Ryukyus Graduate School of Medicine, Nishihara, Japan
| | - Masataka Sata
- Department of Cardiovascular Medicine, Tokushima University Graduate School of Biomedical Sciences, Tokushima, Japan
| | - Michio Shimabukuro
- Department of Diabetes, Endocrinology and Metabolism, Fukushima Medical University School of Medicine, Fukushima, Japan
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SGLT2 Inhibitor—Dapagliflozin Attenuates Diabetes-Induced Renal Injury by Regulating Inflammation through a CYP4A/20-HETE Signaling Mechanism. Pharmaceutics 2023; 15:pharmaceutics15030965. [PMID: 36986825 PMCID: PMC10054805 DOI: 10.3390/pharmaceutics15030965] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/04/2023] [Revised: 02/21/2023] [Accepted: 03/13/2023] [Indexed: 03/19/2023] Open
Abstract
Diabetic kidney disease (DKD) is a serious complication of diabetes, affecting millions of people worldwide. Inflammation and oxidative stress are key contributors to the development and progression of DKD, making them potential targets for therapeutic interventions. Sodium-glucose cotransporter 2 inhibitors (SGLT2i) have emerged as a promising class of drugs, with evidence demonstrating that they can improve renal outcomes in people with diabetes. However, the exact mechanism by which SGLT2i exert their renoprotective effects is not yet fully understood. This study demonstrates that dapagliflozin treatment attenuates renal injury observed in type 2 diabetic mice. This is evidenced by the reduction in renal hypertrophy and proteinuria. Furthermore, dapagliflozin decreases tubulointerstitial fibrosis and glomerulosclerosis by mitigating the generation of reactive oxygen species and inflammation, which are activated through the production of CYP4A-induced 20-HETE. Our findings provide insights onto a novel mechanistic pathway by which SGLT2i exerts their renoprotective effects. Overall, and to our knowledge, the study provides critical insights into the pathophysiology of DKD and represents an important step towards improving outcomes for people with this devastating condition.
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Salah HM, Fudim M. Sodium-glucose Cotransporter 2 Inhibitors and Nonalcoholic Fatty Liver Disease. Heart Fail Clin 2022; 18:625-634. [DOI: 10.1016/j.hfc.2022.03.011] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 11/04/2022]
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Huang Y, Wang Y, Liu C, Zhou Y, Wang X, Cheng B, Kui C, Wang Y. C-peptide, glycaemic control, and diabetic complications in type 2 diabetes mellitus: A real-world study. Diabetes Metab Res Rev 2022; 38:e3514. [PMID: 34841643 DOI: 10.1002/dmrr.3514] [Citation(s) in RCA: 2] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 03/31/2021] [Accepted: 11/02/2021] [Indexed: 11/12/2022]
Abstract
OBJECTIVE To explore the relationship between C-peptide and glycaemic control rate and diabetic complications (microvascular complication and cerebral infarction) and provide evidence for stratified treatment of type 2 diabetes mellitus (T2DM)-based C-peptide. METHOD This is a cross-sectional real-world observational study. According to the inclusion and exclusion criteria, we studied 1377 patients with T2DM, grouped by fasting C-peptide and HOMA-IR. Blood samples were collected after fasting overnight. Logistic regression was used to analyse the relationship among fasting C-peptide, HOMA-IR, C2/C0 ratio (the ratio of 2 h postprandial C-peptide to fasting C-peptide), glycaemic control rate, and occurrence of diabetic complications. Restricted cubic spline (RCS) curves based on logistic regression were used to evaluate the relationship between C-peptide, glycaemic control rate, and diabetic kidney disease (DKD). RESULTS Patients were subdivided according to their fasting C-peptide in 4 groups (Q1,Q2,Q3,Q4). Patients of group Q3 (1.71 ≤ C-peptide < 2.51 ng/ml) showed the lowest incidence of DKD, diabetic retinopathy (DR), and rate of insulin absorption as welll as higher glycaemic control rate. Logistic regression shows that the probability of reaching glycemic control increased with higher levels of C-peptide, compared with group Q1, after adjusting for age, gender, duration of diabetes, body mass index, systolic blood pressure, diastolic blood pressure, creatinine, low-density lipoprotein, triglyceride, total cholesterol, and high-density lipoprotein. RCS curve shows that, when C-peptide is ≤2.68 ng/ml, the incidence of not reaching glycaemic control decreases with increasing C-peptide. The possibility of not reaching glycaemic control decreased with increasing C2/C0, when C-peptide is ≥1.71 ng/ml. RCS curve shows that the relationship between C-peptide and DKD follows a U-style curve. When C-peptide is <2.84 ng/ml, the incidence of DKD decreased with increasing C-peptide. With the increase in the C2/C0 ratio, the incidence of DKD, DR, and fatty liver did not decrease. CONCLUSION When C-peptide is ≥ 1.71 and < 2.51 ng/ml, patients with T2DM had a higher glycemic control rate. Excessive C-peptide plays different roles in DKD and DR; C-peptide may promote the incidence of DKD but protects patients from DR. Higher C2/C0 ratio is important for reaching glycaemic control but cannot reduce the risk of DKD, DR, and fatty liver.
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Affiliation(s)
- Yajing Huang
- Department of Endocrinology, The Affiliated Hospital of Qingdao University, Qingdao, China
| | - Yahao Wang
- Medicine College, Qingdao University, Qingdao, China
| | - Chuanfeng Liu
- Department of Endocrinology, The Affiliated Hospital of Qingdao University, Qingdao, China
| | - Yue Zhou
- Department of Endocrinology, The Affiliated Hospital of Qingdao University, Qingdao, China
| | - Xiang Wang
- Department of Endocrinology, The Affiliated Hospital of Qingdao University, Qingdao, China
| | - Bingfei Cheng
- Department of Endocrinology, The Affiliated Hospital of Qingdao University, Qingdao, China
| | - Che Kui
- Department of Endocrinology, The Affiliated Hospital of Qingdao University, Qingdao, China
| | - Yangang Wang
- Department of Endocrinology, The Affiliated Hospital of Qingdao University, Qingdao, China
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Samaha MM, Helal MG, El-Sherbiny M, Said E, Salem HA. Indapamide Increases IRS1 Expression and Modifies Adiponectin/NLRP3/PPARγ Crosstalk in Type 2 Diabetic Rats. Antioxidants (Basel) 2022; 11:antiox11040691. [PMID: 35453376 PMCID: PMC9026493 DOI: 10.3390/antiox11040691] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/26/2022] [Revised: 03/27/2022] [Accepted: 03/29/2022] [Indexed: 02/01/2023] Open
Abstract
The current study aimed to evaluate the anti-diabetic effects of canagliflozin (CANA) and indapamide (INDA) and their impacts as adiponectin modulators in experimentally induced type 2 diabetes mellitus (T2DM). T2DM was associated with a significant rise in blood glucose level and HbA1C%, andreduced adiponectin and insulin secretions. Moreover, the malondialdehyde (MDA) contents in both the epididymal adipocytes and soleus muscle significantly escalated, while the total antioxidant capacity (TAC) and epididymal adipocyte Nrf2 expression significantly declined. Moreover, serum TNF-α, epididymal adipocyte’s NOD-like receptor protein 3, NLRP3, NF-κB and CD68 expressions markedly escalated, and serum IL-10 significantly declined. Furthermore, there was a significant escalation in PPARγ expression in epididymal adipocytes, with a significant reduction in soleus muscle’s expression of IRS1. CANA and INDA treatments markedly reduced blood glucose levels, increased adiponectin and insulin secretion, enhanced anti-oxidant defenses, and reduced oxidative burden, with marked anti-inflammatory impact. Interestingly, the impact of indapamide on DM indices and oxidative and inflammatory changes was comparable to that of canagliflozin. Nevertheless, indapamide had a superior effect compared to canagliflozin on HbA1c%, expression of IRS1 and reduction of NF-κB and CD68 expressions. INDA could be effective in regulating T2DM, with underlined anti-diabetic, antioxidant, and anti-inflammatory properties. INDA increased IRS1 expression and modified adiponectin/NLRP3/PPARγ crosstalk. The impacts of INDA are comparable to those of the standard anti-diabetic drug CANA.
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Affiliation(s)
- Mahmoud M. Samaha
- Department of Pharmacology and Toxicology, Faculty of Pharmacy, Mansoura University, Mansoura 35516, Egypt; (M.M.S.); (M.G.H.); (H.A.S.)
| | - Manar G. Helal
- Department of Pharmacology and Toxicology, Faculty of Pharmacy, Mansoura University, Mansoura 35516, Egypt; (M.M.S.); (M.G.H.); (H.A.S.)
| | - Mohamed El-Sherbiny
- Department of Basic Medical Sciences, College of Medicine, AlMaarefa University, Riyadh P.O. Box 71666, Saudi Arabia;
- Department of Anatomy, Faculty of Medicine, Mansoura University, Mansoura 35516, Egypt
| | - Eman Said
- Department of Pharmacology and Toxicology, Faculty of Pharmacy, Mansoura University, Mansoura 35516, Egypt; (M.M.S.); (M.G.H.); (H.A.S.)
- Faculty of Pharmacy, New Mansoura University, New Mansoura 7723730, Egypt
- Correspondence:
| | - Hatem A. Salem
- Department of Pharmacology and Toxicology, Faculty of Pharmacy, Mansoura University, Mansoura 35516, Egypt; (M.M.S.); (M.G.H.); (H.A.S.)
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An Overview of the Cardiorenal Protective Mechanisms of SGLT2 Inhibitors. Int J Mol Sci 2022; 23:ijms23073651. [PMID: 35409011 PMCID: PMC8998569 DOI: 10.3390/ijms23073651] [Citation(s) in RCA: 66] [Impact Index Per Article: 33.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/28/2022] [Revised: 03/17/2022] [Accepted: 03/24/2022] [Indexed: 02/04/2023] Open
Abstract
Sodium-glucose co-transporter 2 (SGLT2) inhibitors block glucose reabsorption in the renal proximal tubule, an insulin-independent mechanism that plays a critical role in glycemic regulation in diabetes. In addition to their glucose-lowering effects, SGLT2 inhibitors prevent both renal damage and the onset of chronic kidney disease and cardiovascular events, in particular heart failure with both reduced and preserved ejection fraction. These unexpected benefits prompted changes in treatment guidelines and scientific interest in the underlying mechanisms. Aside from the target effects of SGLT2 inhibition, a wide spectrum of beneficial actions is described for the kidney and the heart, even though the cardiac tissue does not express SGLT2 channels. Correction of cardiorenal risk factors, metabolic adjustments ameliorating myocardial substrate utilization, and optimization of ventricular loading conditions through effects on diuresis, natriuresis, and vascular function appear to be the main underlying mechanisms for the observed cardiorenal protection. Additional clinical advantages associated with using SGLT2 inhibitors are antifibrotic effects due to correction of inflammation and oxidative stress, modulation of mitochondrial function, and autophagy. Much research is required to understand the numerous and complex pathways involved in SGLT2 inhibition. This review summarizes the current known mechanisms of SGLT2-mediated cardiorenal protection.
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Marfella R, D'Onofrio N, Trotta MC, Sardu C, Scisciola L, Amarelli C, Balestrieri ML, Grimaldi V, Mansueto G, Esposito S, D'Amico M, Golino P, Signoriello G, De Feo M, Maiello C, Napoli C, Paolisso G. Sodium/glucose cotransporter 2 (SGLT2) inhibitors improve cardiac function by reducing JunD expression in human diabetic hearts. Metabolism 2022; 127:154936. [PMID: 34801581 DOI: 10.1016/j.metabol.2021.154936] [Citation(s) in RCA: 32] [Impact Index Per Article: 16.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 08/04/2021] [Revised: 11/08/2021] [Accepted: 11/09/2021] [Indexed: 12/16/2022]
Abstract
BACKGROUND The pathogenesis of experimental diabetic cardiomyopathy may involve the activator protein 1 (AP-1) member, JunD. Using non-diabetic heart transplant (HTX) in recipients with diabetes, we examined the effects of the diabetic milieu (hyperglycemia and insulin resistance) on cardiac JunD expression over 12 months. Because sodium/glucose cotransporter-2 inhibitors (SGLT2i) significantly reverse high glucose-induced AP-1 binding in the proximal tubular cell, we investigated JunD expression in a subgroup of type 2 diabetic recipients receiving SGLT2i treatment. METHODS We evaluated 77 first HTX recipients (40 and 37 patients with and without diabetes, respectively). Among the recipients with diabetes, 17 (45.9%) were receiving SGLT2i treatment. HTX recipients underwent standard clinical evaluation (metabolic status, echocardiography, coronary computed tomography angiography, and endomyocardial biopsy). In the biopsy samples, we evaluated JunD, insulin receptor substrates 1 and 2 (IRS1 and IRS2), peroxisome proliferator-activated receptor-γ (PPAR-γ), and ceramide levels using real-time polymerase chain reaction and immunofluorescence. The biopsy evaluations in this study were performed at 1-4 weeks (basal), 5-12 weeks (intermediate), and up to 48 weeks (final, end of 12-month follow-up) after HTX. RESULTS There was a significant early and progressive increase in the cardiac expression of JunD/PPAR-γ and ceramide levels, along with a significant decrease in IRS1 and IRS2 in recipients with diabetes but not in those without diabetes. These molecular changes were blunted in patients with diabetes receiving SGLT2i treatment. CONCLUSION Early pathogenesis in human diabetic cardiomyopathy is associated with JunD/PPAR-γ overexpression and lipid accumulation following HTX in recipients with diabetes. Remarkably, this phenomenon was reduced by concomitant therapy with SGLT2i, which acted directly on diabetic hearts.
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Affiliation(s)
- Raffaele Marfella
- Department of Advanced Medical and Surgical Sciences, Università degli Studi della Campania "Luigi Vanvitelli", 80138 Naples, Italy; Mediterranea Cardiocentro, Naples, Italy.
| | - Nunzia D'Onofrio
- Department of Precision Medicine, the University of Campania "Luigi Vanvitelli", 80138 Naples, Italy
| | - Maria Consiglia Trotta
- Department of Experimental Medicine, University of Campania "Luigi Vanvitelli", 80138 Naples, Italy
| | - Celestino Sardu
- Department of Advanced Medical and Surgical Sciences, Università degli Studi della Campania "Luigi Vanvitelli", 80138 Naples, Italy
| | - Lucia Scisciola
- Department of Advanced Medical and Surgical Sciences, Università degli Studi della Campania "Luigi Vanvitelli", 80138 Naples, Italy
| | - Cristiano Amarelli
- Unit of Cardiac Surgery and Transplants, AORN Ospedali dei Colli-Monaldi Hospital, 80131 Naples, Italy
| | - Maria Luisa Balestrieri
- Department of Experimental Medicine, University of Campania "Luigi Vanvitelli", 80138 Naples, Italy
| | - Vincenzo Grimaldi
- Department of Advanced Medical and Surgical Sciences, Università degli Studi della Campania "Luigi Vanvitelli", 80138 Naples, Italy
| | - Gelsomina Mansueto
- Department of Advanced Medical and Surgical Sciences, Università degli Studi della Campania "Luigi Vanvitelli", 80138 Naples, Italy
| | | | - Michele D'Amico
- Department of Experimental Medicine, University of Campania "Luigi Vanvitelli", 80138 Naples, Italy
| | - Paolo Golino
- Cardiology Division, University "L. Vanvitelli" - Monaldi Hospital, 80131 Naples, Italy
| | - Giuseppe Signoriello
- Statistical Unit, Department of Mental Health and Public Medicine, University of Campania, Naples, Italy
| | - Marisa De Feo
- Department of Cardio-Thoracic Sciences, University of Campania "Luigi Vanvitelli", Naples, Italy
| | - Ciro Maiello
- Unit of Cardiac Surgery and Transplants, AORN Ospedali dei Colli-Monaldi Hospital, 80131 Naples, Italy
| | - Claudio Napoli
- Department of Advanced Medical and Surgical Sciences, Università degli Studi della Campania "Luigi Vanvitelli", 80138 Naples, Italy
| | - Giuseppe Paolisso
- Department of Advanced Medical and Surgical Sciences, Università degli Studi della Campania "Luigi Vanvitelli", 80138 Naples, Italy; Mediterranea Cardiocentro, Naples, Italy
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Hazem RM, Ibrahim AZ, Ali DA, Moustafa YM. Dapagliflozin improves steatohepatitis in diabetic rats via inhibition of oxidative stress and inflammation. Int Immunopharmacol 2022; 104:108503. [PMID: 34998036 DOI: 10.1016/j.intimp.2021.108503] [Citation(s) in RCA: 4] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/16/2021] [Revised: 12/19/2021] [Accepted: 12/26/2021] [Indexed: 12/11/2022]
Abstract
Type-2 diabetes mellitus and NAFLD are considered as one of the greatest worldwide metabolic disorders with growing incidence. It was found that patients with T2DM have two-fold increase to develop NAFLD. Evidence that some antidiabetic agents improve NAFLD/NASH in patients with T2DM is evolving. However, there are no certain pharmacologic therapies. The current study aimed to investigate the underlying mechanisms for the hepatoprotective effect of dapagliflozin against steatohepatitis in diabetic rats. Type-2 diabetes was induced by HFD followed by a single dose of STZ (30 mg/kg I.P). Fifty rats were randomly divided into 5 groups: Group1; normal control, Group 2; diabetic control, Groups (3-5); diabetic rats received daily dapagliflozin (0.75, 1.5, 3 mg/kg, p.o.) respectively for 6 weeks. At the end of the experiment, blood glucose level and serum insulin were measured. Hepatic tissue homogenization was performed for measuring inflammatory and oxidative stress markers. In addition, histopathological investigation of the hepatic tissue was done. Diabetic rats exhibited remarkable increase in liver weight and liver enzymes, along with histopathological changes, significant elevation in MDA, IL-1 β, TGFβ levels and, NF-κB, alpha-SMA expressions. Dapagliflozin treatment decreased liver weight, liver enzymes, together with marked improvement in histopathological changes. Furthermore, dapagliflozin increased antioxidant enzymes, GSH levels. Interestingly, Dapagliflozin reduced IL-1 β, TGFβ levels and, NF-κB, alpha-SMA expressions. Present data show that dapagliflozin represent a viable approach to protect the liver against diabetes-encouraged steatohepatitis through inhibiting oxidative stress, inflammation and fibrosis progression thus conserving liver function.
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Affiliation(s)
- Reem M Hazem
- Department of Pharmacology & Toxicology, Faculty of Pharmacy, Suez Canal University, Ismailia 41522, Egypt
| | - Ahmed Z Ibrahim
- Department of Pharmacology & Toxicology, Faculty of Pharmacy, Suez Canal University, Ismailia 41522, Egypt
| | - Dina A Ali
- Department of clinical Pharmacology, Faculty of Medicine, Suez Canal University, Ismailia 41522, Egypt.
| | - Yasser M Moustafa
- Department of Pharmacology & Toxicology, Faculty of Pharmacy, Suez Canal University, Ismailia 41522, Egypt; Department of Pharmacology & Toxicology, Faculty of Pharmacy, Badr University, Cairo 11829, Egypt
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12
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Abstract
PURPOSE OF REVIEW This review offers a critical narrative evaluation of emerging evidence that sodium-glucose co-transporter-2 (SGLT2) inhibitors exert nephroprotective effects in people with type 2 diabetes. RECENT FINDINGS The SGLT2 inhibitor class of glucose-lowering agents has recently shown beneficial effects to reduce the onset and progression of renal complications in people with and without diabetes. Randomised clinical trials and 'real world' observational studies, mostly involving type 2 diabetes patients, have noted that use of an SGLT2 inhibitor can slow the decline in glomerular filtration rate (GFR), reduce the onset of microalbuminuria and slow or reverse the progression of proteinuria. The nephroprotective effects of SGLT2 inhibitors are class effects observed with each of the approved agents in people with a normal or impaired GFR. These effects are also observed in non-diabetic, lean and normotensive individuals suggesting that the mechanisms extend beyond the glucose-lowering, weight-lowering and blood pressure-lowering effects that accompany their glucosuric action in diabetes patients. A key mechanism is tubuloglomerular feedback in which SGLT2 inhibitors cause more sodium to pass along the nephron: the sodium is sensed by macula cells which act via adenosine to constrict afferent glomerular arterioles, thereby protecting glomeruli by reducing intraglomerular pressure. Other effects of SGLT2 inhibitors improve tubular oxygenation and metabolism and reduce renal inflammation and fibrosis. SGLT2 inhibitors have not increased the risk of urinary tract infections or the risk of acute kidney injury. However, introduction of an SGLT2 inhibitor in patients with a very low GFR is not encouraged due to an initial dip in GFR, and it is prudent to discontinue therapy if there is an acute renal event, hypovolaemia or hypotension.
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Affiliation(s)
| | - Caroline Day
- Life and Health Sciences, Aston University, Birmingham, B4 7ET, UK
| | - Srikanth Bellary
- Life and Health Sciences, Aston University, Birmingham, B4 7ET, UK
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13
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Yang L, Zhang X, Wang Q. Effects and mechanisms of SGLT2 inhibitors on the NLRP3 inflammasome, with a focus on atherosclerosis. Front Endocrinol (Lausanne) 2022; 13:992937. [PMID: 36589841 PMCID: PMC9797675 DOI: 10.3389/fendo.2022.992937] [Citation(s) in RCA: 5] [Impact Index Per Article: 2.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Figures] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 07/13/2022] [Accepted: 11/30/2022] [Indexed: 12/23/2022] Open
Abstract
Atherosclerosis is a lipid-driven chronic inflammatory disease that is widespread in the walls of large and medium-sized arteries. Its pathogenesis is not fully understood. The currently known pathogenesis includes activation of pro-inflammatory signaling pathways in the body, increased oxidative stress, and increased expression of cytokines/chemokines. In the innate immune response, inflammatory vesicles are an important component with the ability to promote the expression and maturation of inflammatory factors, release large amounts of inflammatory cytokines, trigger a cascade of inflammatory responses, and clear pathogens and damaged cells. Studies in the last few years have demonstrated that NLRP3 inflammatory vesicles play a crucial role in the development of atherosclerosis as well as its complications. Several studies have shown that NLRP3 binding to ligands promotes inflammasome formation, activates caspase-1, and ultimately promotes its maturation and the maturation and production of IL-1β and IL-18. IL-1β and IL-18 are considered to be the two most prominent inflammatory cytokines in the inflammasome that promote the development of atherosclerosis. SGLT2 inhibitors are novel hypoglycemic agents that also have significant antiatherosclerotic effects. However, their exact mechanism is not yet clear. This article is a review of the literature on the effects and mechanisms of SGLT2 inhibitors on the NLRP3 inflammasome, focusing on their role in antiatherosclerosis.
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14
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Balbaa M, El-Zeftawy M, Abdulmalek SA. Therapeutic Screening of Herbal Remedies for the Management of Diabetes. Molecules 2021; 26:6836. [PMID: 34833928 PMCID: PMC8618521 DOI: 10.3390/molecules26226836] [Citation(s) in RCA: 4] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/23/2021] [Revised: 11/09/2021] [Accepted: 11/10/2021] [Indexed: 02/07/2023] Open
Abstract
The study of diabetes mellitus (DM) patterns illustrates increasingly important facts. Most importantly, they include oxidative stress, inflammation, and cellular death. Up to now, there is a shortage of drug therapies for DM, and the discovery and the development of novel therapeutics for this disease are crucial. Medicinal plants are being used more and more as an alternative and natural cure for the disease. Consequently, the objective of this review was to examine the latest results on the effectiveness and protection of natural plants in the management of DM as adjuvant drugs for diabetes and its complex concomitant diseases.
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Affiliation(s)
- Mahmoud Balbaa
- Department of Biochemistry, Faculty of Science, Alexandria University, Alexandria 21511, Egypt;
| | - Marwa El-Zeftawy
- Biochemistry Department, Faculty of Veterinary Medicine, New Valley University, New Valley 72511, Egypt;
| | - Shaymaa A. Abdulmalek
- Department of Biochemistry, Faculty of Science, Alexandria University, Alexandria 21511, Egypt;
- Center of Excellency for Preclinical Study (CE-PCS), Pharmaceutical and Fermentation Industries Development Centre, The City of Scientific Research and Technological Applications, Alexandria 21511, Egypt
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15
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Xu D, Chandler O, Wee C, Ho C, Affandi JS, Yang D, Liao X, Chen W, Li Y, Reid C, Xiao H. Sodium-Glucose Cotransporter-2 Inhibitor (SGLT2i) as a Primary Preventative Agent in the Healthy Individual: A Need of a Future Randomised Clinical Trial? Front Med (Lausanne) 2021; 8:712671. [PMID: 34497814 PMCID: PMC8419219 DOI: 10.3389/fmed.2021.712671] [Citation(s) in RCA: 8] [Impact Index Per Article: 2.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/21/2021] [Accepted: 07/23/2021] [Indexed: 01/10/2023] Open
Abstract
Sodium-glucose cotransporter-2 inhibitors (SGLT2i) are a relatively novel class of drug for treating type 2 diabetes mellitus (T2DM) that inhibits glucose reabsorption in the renal proximal tubule to promote glycosuria and reduce blood glucose levels. SGLT2i has been clinically indicated for treating T2DM, with numerous recent publications focussing on both primary and secondary prevention of cardiovascular and renal events in Type 2 diabetic patients. The most recent clinical trials showed that SGLT2i have moderately significant beneficial effects on atherosclerotic major adverse cardiovascular events (MACE) in patients with histories of atherosclerotic cardiovascular disease. In this review and analysis, SGLT2i have however demonstrated clinically significant benefits in reducing hospitalisation for heart failure and worsening of chronic kidney disease (CKD) irrespective of pre-existing atherosclerotic cardiovascular disease or previous heart failure history. A meta-analysis suggests that all SGLT2 inhibitors demonstrated the therapeutic benefit on all-cause and cardiovascular mortality, as shown in EMPAREG OUTCOME study with a significant decrease in myocardial infarction, without increased stroke risk. All the above clinical trial recruited type 2 diabetic patients. This article aims to postulate and review the possible primary prevention role of SGLT2i in healthy individuals by reviewing the current literature and provide a prospective overview. The emphasis will include primary prevention of Type 2 Diabetes, Heart Failure, CKD, Hypertension, Obesity and Dyslipidaemia in healthy individuals, whom are defined as healthy, low or intermediate risks patients.
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Affiliation(s)
- Dan Xu
- Faculty of Health Sciences, CCRE, Curtin School of Population Health, Curtin University, Perth, WA, Australia.,Faculty of Health Sciences, Curtin Medical School, Curtin University, Perth, WA, Australia.,Department of Medical Education, First Affiliated Hospital, Sun Yat-sen University, Guangzhou, China
| | - Owain Chandler
- Faculty of Health Sciences, Curtin Medical School, Curtin University, Perth, WA, Australia
| | - Cleo Wee
- Faculty of Health Sciences, Curtin Medical School, Curtin University, Perth, WA, Australia
| | - Chau Ho
- Faculty of Health Sciences, CCRE, Curtin School of Population Health, Curtin University, Perth, WA, Australia
| | - Jacquita S Affandi
- Faculty of Health Sciences, CCRE, Curtin School of Population Health, Curtin University, Perth, WA, Australia
| | - Daya Yang
- Department of Medical Education, First Affiliated Hospital, Sun Yat-sen University, Guangzhou, China.,Department of Cardiology, First Affiliated Hospital, Sun Yat-sen University, Guangzhou, China
| | - Xinxue Liao
- Department of Medical Education, First Affiliated Hospital, Sun Yat-sen University, Guangzhou, China.,Department of Cardiology, First Affiliated Hospital, Sun Yat-sen University, Guangzhou, China
| | - Wei Chen
- Department of Medical Education, First Affiliated Hospital, Sun Yat-sen University, Guangzhou, China.,Department of Renal Medicine, First Affiliated Hospital, Sun Yat-sen University, Guangzhou, China
| | - Yanbing Li
- Department of Medical Education, First Affiliated Hospital, Sun Yat-sen University, Guangzhou, China.,Department of Endocrinology, First Affiliated Hospital, Sun Yat-sen University, Guangzhou, China
| | - Christopher Reid
- Faculty of Health Sciences, CCRE, Curtin School of Population Health, Curtin University, Perth, WA, Australia
| | - Haipeng Xiao
- Department of Medical Education, First Affiliated Hospital, Sun Yat-sen University, Guangzhou, China.,Department of Endocrinology, First Affiliated Hospital, Sun Yat-sen University, Guangzhou, China
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16
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Peng XV, McCrimmon RJ, Shepherd L, Boss A, Lubwama R, Dex T, Skolnik N, Ji L, Avogaro A, Blonde L. Glycemic Control Following GLP-1 RA or Basal Insulin Initiation in Real-World Practice: A Retrospective, Observational, Longitudinal Cohort Study. Diabetes Ther 2020; 11:2629-2645. [PMID: 32902774 PMCID: PMC7547934 DOI: 10.1007/s13300-020-00905-y] [Citation(s) in RCA: 8] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 06/12/2020] [Indexed: 12/13/2022] Open
Abstract
INTRODUCTION Injectable therapies such as glucagon-like peptide-1 receptor agonists (GLP-1 RAs) and basal insulin (BI) are well-established agents for people with type 2 diabetes (T2D). This study aimed to investigate real-world effectiveness of GLP-1 RAs or BI in adults with T2D poorly controlled on oral antihyperglycemic drugs (OADs). METHODS This was a retrospective, observational, longitudinal cohort study of adults with T2D from the US Optum Humedica® database and UK Clinical Practice Research Datalink, who initiated either injectable between January 1, 2010, and June 30, 2016. Baseline characteristics, glycated hemoglobin (HbA1c) change, and cumulative percentage reaching HbA1c < 7% in 24 months after initiation were analyzed in four patient cohorts. RESULTS In the US and UK databases, respectively, 20,836 and 5508 patients initiated GLP-1 RAs and 60,598 and 5083 initiated BI. Baseline mean HbA1c at initiation ranged between 8.8% and 10.3% across all cohorts. In all cohorts, a decrease of HbA1c occurred 3-6 months after initiation. The cumulative percentage of patients reaching HbA1c < 7% showed the greatest probability in the first 12 months (15-40% of patients across cohorts at 12 months), particularly in the first 6 months after initiation. The probability of reaching glycemic control diminished after the second quarter. The proportion of patients reaching HbA1c < 7% in both GLP-1 RA and BI cohorts at 12 months was < 25% if baseline HbA1c was ≥ 9%. CONCLUSIONS For adults with T2D inadequately controlled on OADs, this analysis reveals an unmet clinical need. Initiation of first injectable therapy did not occur until HbA1c was considerably above target, when control is harder to achieve. Results suggest that in individuals with baseline HbA1c ≥ 9.0%, only a minority are likely to achieve an HbA1c < 7% with a GLP-1 RA or BI alone.
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Affiliation(s)
| | | | | | | | | | - Terry Dex
- Sanofi US, Inc., Bridgewater, NJ, USA
| | - Neil Skolnik
- Family Medicine Residency Program, Abington-Jefferson Health, Abington, PA, USA
| | - Linong Ji
- Peking University Diabetes Center, Peking University People's Hospital, Beijing, China
| | - Angelo Avogaro
- Department of Medicine, Section of Diabetes and Metabolic Diseases, University of Padova, Padova, Italy
| | - Lawrence Blonde
- Department of Endocrinology, Ochsner Medical Center, Ochsner Diabetes Clinical Research Unit, Frank Riddick Diabetes Institute, New Orleans, LA, USA.
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17
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Ni L, Yuan C, Chen G, Zhang C, Wu X. SGLT2i: beyond the glucose-lowering effect. Cardiovasc Diabetol 2020; 19:98. [PMID: 32590982 PMCID: PMC7320582 DOI: 10.1186/s12933-020-01071-y] [Citation(s) in RCA: 104] [Impact Index Per Article: 26.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 04/04/2020] [Accepted: 06/16/2020] [Indexed: 02/06/2023] Open
Abstract
Sodium/glucose cotransporter-2 inhibitors (SGLT2i) are a new type of glucose-lowering drug that can reduce blood glucose by inhibiting its reabsorption in proximal tubules and by promoting urinary glucose excretion. SGLT2i are widely used in the clinical treatment of type 2 diabetes mellitus (T2DM). In recent studies, SGLT2i were found to not only reduce blood glucose but also protect the heart and kidney, which can significantly reduce cardiovascular events, delay the progression of renal failure, greatly improve the quality of life of patients, and reduce medical expenses for families and society. As adverse cardiac and renal events are the most common and serious complications of T2DM, it is very important to understand the cardio- and renoprotective mechanisms of SGLT2i. This article reviews the historical development, pharmacological mechanism, heart and kidney protection and safety of SGLT2i. The information presented provides a theoretical basis for the clinical prevention and treatment of diabetes and its complications and for the development of new glucose-lowering drugs.
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Affiliation(s)
- Lihua Ni
- Department of Nephrology, Zhongnan Hospital of Wuhan University, 169 Donghu Road, Wuhan, Hubei, 430071, China
| | - Cheng Yuan
- Department of Gynecological Oncology, Zhongnan Hospital, Wuhan University, Wuhan, 430071, People's Republic of China
| | - Guopeng Chen
- Institute of Model Animal, Wuhan University, Wuhan, 430071, China.,School of Basic Medical Sciences, Wuhan University, Wuhan, 430071, China
| | - Changjiang Zhang
- Department of Cardiology, Renmin Hospital of Wuhan University, Zhang Road No. 99, Wuhan, Hubei, 430060, China. .,Cardiovascular Research Institute, Wuhan University, Wuhan, 430060, People's Republic of China. .,Hubei Key Laboratory of Cardiology, Wuhan, 430060, People's Republic of China. .,Cardiovascular Disease Center, Enshi Central Hospital, Enshi, 445000, People's Republic of China.
| | - Xiaoyan Wu
- Department of Nephrology, Zhongnan Hospital of Wuhan University, 169 Donghu Road, Wuhan, Hubei, 430071, China.
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