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Kutoh E, Kuto AN, Okada R, Akiyama M, Kurihara R. Diverse Strategies for Modulating Insulin Resistance: Causal or Consequential Inference on Metabolic Parameters in Treatment-Naïve Subjects with Type 2 Diabetes. MEDICINA (KAUNAS, LITHUANIA) 2024; 60:991. [PMID: 38929608 PMCID: PMC11205547 DOI: 10.3390/medicina60060991] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 05/27/2024] [Revised: 06/08/2024] [Accepted: 06/11/2024] [Indexed: 06/28/2024]
Abstract
Bacground and Objectives: The objective of this study is to investigate how different therapies modulating insulin resistance, either causally or consequently, affect metabolic parameters in treatment-naïve subjects with T2DM. Subjects and Methods: A total of 212 subjects were assigned to receive either a tight Japanese diet (n = 65), pioglitazone at doses ranging from 15-30 mg/day (n = 70), or canagliflozin at doses ranging from 50-100 mg/day (n = 77) for a duration of three months. Correlations and changes (Δ) in metabolic parameters relative to insulin resistance were investigated. Results: Across these distinct therapeutic interventions, ΔHOMA-R exhibited significant correlations with ΔFBG and ΔHOMA-B, while demonstrating a negative correlation with baseline HOMA-R. However, other parameters such as ΔHbA1c, ΔBMI, ΔTC, ΔTG, Δnon-HDL-C, or ΔUA displayed varying patterns depending on the treatment regimens. Participants were stratified into two groups based on the median value of ΔHOMA-R: the lower half (X) and upper half (Y). Group X consistently demonstrated more pronounced reductions in FBG compared to Group Y across all treatments, while other parameters including HbA1c, HOMA-B, TC, TG, HDL-C, non-HDL-C, TG/HDL-C ratio, or UA exhibited distinct regulatory responses depending on the treatment administered. Conclusions: These findings suggest that (1) regression to the mean is observed in the changes in insulin resistance across these therapies and (2) the modulation of insulin resistance with these therapies, either causally or consequentially, results in differential effects on glycemic parameters, beta-cell function, specific lipids, body weight, or UA.
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Affiliation(s)
- Eiji Kutoh
- Biomedical Center, Tokyo 132-0034, Japan
- Division of Diabetes and Endocrinology, Department of Internal Medicine, Gyoda General Hospital, Saitama 361-0056, Japan
- Division of Diabetes and METABOLISM, Department of Internal Medicine, Higashitotsuka Memorial Hospital, Yokohama 244-0801, Japan
- Division of Diabetes, Department of Internal Medicine, Kumagaya Surgical Hospital, Kumagaya 360-0023, Japan
| | | | - Rumiko Okada
- Division of Diabetes, Department of Internal Medicine, Kumagaya Surgical Hospital, Kumagaya 360-0023, Japan
| | - Midori Akiyama
- Division of Diabetes and Endocrinology, Department of Internal Medicine, Gyoda General Hospital, Saitama 361-0056, Japan
| | - Rumi Kurihara
- Division of Diabetes and Endocrinology, Department of Internal Medicine, Gyoda General Hospital, Saitama 361-0056, Japan
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Liu T, Fan Z, Xiao B, He C, Wang S. Association of sodium-glucose cotransporter 2 inhibitors with risk of major adverse cardiovascular events in type 2 diabetes patients with acute coronary syndrome: a propensity score‑matched analysis. Cardiovasc Diabetol 2024; 23:106. [PMID: 38528542 PMCID: PMC10964669 DOI: 10.1186/s12933-024-02200-7] [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: 02/15/2024] [Accepted: 03/14/2024] [Indexed: 03/27/2024] Open
Abstract
BACKGROUND This study aimed to investigate the association of sodium-glucose cotransporter 2 inhibitors (SGLT2i) use with cardiovascular (CV) clinical outcomes in type 2 diabetes (T2D) patients with acute coronary syndrome (ACS). METHODS Data of T2D patients hospitalized for ACS at Civil Aviation General Hospital from January 2019 to December 2022 were collected. Based on SGLT2i use or not, patients were stratified as SGLT2i group and SGLT2i-free group. A 1:1 nearest-neighbor propensity score-matched (PSM) was performed to adjust for the confounding factors and facilitate the robust comparisons between groups. The first occurrence of major adverse cardiovascular events (MACE) with 1 year follow-up, which consisted of CV death, all cause death, non-fatal myocardial infarction or stroke, coronary revascularization or heart failure readmission, was assessed. Kaplan-Meier analysis and Cox regressions were conducted to evaluate the prognostic significance of SGLT2i use. Subgroup analyses were performed to assess the interaction between subgroups and SGLT2i use. RESULTS A total of 925 patients were included, and the SGLT2i use increased from 9.9% in 2019 to 43.8% in 2022. 226 pairs were finally matched using the PSM model. During 1 year follow-up period, a total of 110 patients experienced MACE in the matched cohort, with a rate of 24.3%. Survival analyses showed cumulative incidence of MACE, CV death, and heart failure readmission in the SGLT2i group were significantly lower than the SGLT2i-free group. Additionally, the adjusted Cox analyses demonstrated that SGLT2i was associated with a 34.1% lower risk of MACE (HR 0.659, 95% CI 0.487-0.892, P = 0.007), which was primarily driven by a decrease in the risk of CV death by 12.0% (HR 0.880, 95% CI 0.7830.990, P = 0.033), and heart failure readmission by 45.5% (HR 0.545, 95% CI 0.332-0.893, P = 0.016). This MACE preventive benefit was consistent across different subgroups (P interaction > 0.05 for all comparisons). CONCLUSIONS In T2D patients with ACS, there was a clear increasing trend in SGLT2i use. SGLT2i was associated with a significantly lower risk of MACE, driven by the decrease in the risk of CV death, and heart failure readmission. Our study confirmed real-world use and efficacy of SGLT2i in a general T2D population with ACS.
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Affiliation(s)
- Tao Liu
- Department of Coronary Heart Disease, Civil Aviation General Hospital, No. 1 Gaojingjia Road, Chaoyang District, Beijing, China
| | - Zeyuan Fan
- Department of Coronary Heart Disease, Civil Aviation General Hospital, No. 1 Gaojingjia Road, Chaoyang District, Beijing, China.
| | - Bing Xiao
- Department of Coronary Heart Disease, Civil Aviation General Hospital, No. 1 Gaojingjia Road, Chaoyang District, Beijing, China
| | - Chang He
- Department of Coronary Heart Disease, Civil Aviation General Hospital, No. 1 Gaojingjia Road, Chaoyang District, Beijing, China
| | - Shicong Wang
- Department of Coronary Heart Disease, Civil Aviation General Hospital, No. 1 Gaojingjia Road, Chaoyang District, Beijing, China
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Al-Ozairi E, Narula K, Miras AD, Taghadom E, Samad AE, Al Kandari J, Alyosef A, Mashankar A, Al-Najim W, le Roux CW. Obesity Treatments to Improve Type 1 Diabetes (OTID): a randomized controlled trial of the combination of glucagon-like peptide 1 analogues and sodium-glucose cotransporter 2 inhibitors-protocol for Obesity Treatments to Improve Type 1 Diabetes (the OTID trial). Trials 2024; 25:129. [PMID: 38365744 PMCID: PMC10874012 DOI: 10.1186/s13063-024-07930-3] [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: 06/14/2023] [Accepted: 01/16/2024] [Indexed: 02/18/2024] Open
Abstract
BACKGROUND The guidelines of the American Diabetes Association and European Association for the Study of Diabetes suggest that patients with obesity type 2 diabetics and chronic kidney disease need either glucagon-like peptide 1 receptor analogues or sodium-glucose cotransporter-2 inhibitors. If neither achieve metabolic control, then the recommendation is to combine both drugs. The evidence base for combining glucagon-like peptide 1 receptor analogues and sodium-glucose cotransporter-2 inhibitors is not well researched, and hence, the impact of the guidelines is limited. The aim of this randomized controlled trial is to test the impact of the combination of glucagon-like peptide 1 receptor analogues/sodium-glucose cotransporter-2 inhibitors on body weight and kidney damage, in patients with type 1 diabetes and chronic kidney disease. In addition, we will explore the associated changes in the metabolic pathways with each of the treatments used in this randomized controlled trial. METHODS In this 6-month randomized control trial, 60 participants aged between 21 and 65 years, with a body mass index above 25 kg/m2, and type 1 diabetics with chronic kidney disease will be randomized to receive 1 of 5 possible treatments: (1) standard care (control), (2) glucagon-like peptide 1 receptor analogues alone, (3) sodium-glucose cotransporter-2 inhibitors alone, (4) combination of glucagon-like peptide 1 receptor analogues and sodium-glucose cotransporter-2 inhibitors and (5) combination of glucagonlike peptide 1 receptor analogues and sodium-glucose cotransporter-2 inhibitors with intensive lifestyle advice. The primary objective will be the percentage change in total body weight from baseline at 6 months. The secondary objectives are to compare the change in glycaemia; blood pressure; dyslipidaemia; albuminuria; proportion of participants reaching weight loss of ≥ 5%, ≥ 10% and ≥ 15%; and change in BMI (kg/m2) from baseline and change in waist circumference (cm). All the experiments will be conducted at the Dasman Diabetes Institute after approval from the local research and ethics committee. DISCUSSION The present randomized controlled trial aims to investigate the impact of the combination of glucagon-like peptide 1 receptor analogues and sodium-glucose cotransporter-2 inhibitors on body weight and kidney damage in patients with type 1 diabetes mellitus and chronic kidney disease, as well as exploring the associated changes in the metabolic pathways with each of the treatments used. This study addresses the current gap in the evidence base regarding the combination of these two drugs, which is particularly relevant given the American Diabetes Association and European Association for the Study of Diabetes guidelines recommending their combined use for patients with obesity, type 2 diabetes, and chronic kidney disease who do not achieve metabolic control with either drug alone. TRIAL REGISTRATION ClinicalTrials.gov Identifier: NCT05390307 Trial registration date - 25th May 2022.
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Affiliation(s)
| | - Kavita Narula
- Department of Metabolism, Digestion and Reproduction, Imperial College London, London, UK.
| | - Alexander D Miras
- Department of Metabolism, Digestion and Reproduction, Imperial College London, London, UK
- School of Medicine, Ulster University, Coleraine, UK
| | - Etab Taghadom
- Dasman Diabetes Institute, Kuwait City, Kuwait
- Amiri Hospital, Ministry of Health, Kuwait City, Kuwait
| | | | - Jumana Al Kandari
- Dasman Diabetes Institute, Kuwait City, Kuwait
- Amiri Hospital, Ministry of Health, Kuwait City, Kuwait
| | - Anas Alyosef
- Amiri Hospital, Ministry of Health, Kuwait City, Kuwait
| | | | - Werd Al-Najim
- School of Medicine, Ulster University, Coleraine, UK
- Diabetes Complications Research Centre, Conway Institute, University College of Dublin, Dublin, Ireland
| | - Carel W le Roux
- School of Medicine, Ulster University, Coleraine, UK
- Diabetes Complications Research Centre, Conway Institute, University College of Dublin, Dublin, Ireland
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Chen X, Zhang Z, Niu H, Tian X, Tian H, Yao W, He H, Shi H, Li C, Luo J. Goat Milk Improves Glucose Metabolism in Type 2 Diabetic Mice and Protects Pancreatic β-Cell Functions. Mol Nutr Food Res 2024; 68:e2200842. [PMID: 37990402 DOI: 10.1002/mnfr.202200842] [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: 11/30/2022] [Revised: 07/13/2023] [Indexed: 11/23/2023]
Abstract
SCOPE Consuming goat milk is known to benefit high-fat diet-fed and streptozocin (STZ)-induced diabetic rats, but the underlying mechanisms are unknown. This study is conducted to investigate the metabolic effects of a goat milk diet (a form of goat milk powder) on glucose homeostasis and pancreatic conditions in a mouse model of Type 2 diabetes mellitus (T2DM) induced by STZ. METHODS AND RESULTS T2DM mice are fed with a goat-milk-based diet containing 10.3% w/w goat milk powder for 10 weeks for investigating the in vivo effects; a β-cell line MIN6 cells are used to test the in vitro effects of digested goat milk (DGM). Goat milk diet improves the deleterious effects of STZ on fasting glucose levels and glucose tolerance, accelerates pancreatic structure recovery, and alters blood metabolites in mice. Based on the significant differences observed in metabolites, the key pathways, metabolite regulatory enzymes, metabolite molecular modules, and biochemical reactions are identified as critical integrated pathways. DGM promotes the cell activity, glucose transportation, and AKT activation in cultured STZ-treated MIN6 cells in vitro. CONCLUSIONS Goat milk diet improves glucose homeostasis and pancreatic conditions of T2DM mice, in association with improved blood metabolite profiles and activation of pancreatic AKT pathway.
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Affiliation(s)
- Xiaoying Chen
- Shaanxi Key Laboratory of Molecular Biology for Agriculture, College of Animal Science and Technology, Northwest A&F University, Yangling, Shaanxi, 712100, China
| | - Zhifei Zhang
- Shaanxi Key Laboratory of Molecular Biology for Agriculture, College of Animal Science and Technology, Northwest A&F University, Yangling, Shaanxi, 712100, China
| | - Huiming Niu
- Shaanxi Key Laboratory of Molecular Biology for Agriculture, College of Animal Science and Technology, Northwest A&F University, Yangling, Shaanxi, 712100, China
| | - Xinmiao Tian
- Shaanxi Key Laboratory of Molecular Biology for Agriculture, College of Animal Science and Technology, Northwest A&F University, Yangling, Shaanxi, 712100, China
| | - Huibin Tian
- Shaanxi Key Laboratory of Molecular Biology for Agriculture, College of Animal Science and Technology, Northwest A&F University, Yangling, Shaanxi, 712100, China
| | - Weiwei Yao
- Shaanxi Key Laboratory of Molecular Biology for Agriculture, College of Animal Science and Technology, Northwest A&F University, Yangling, Shaanxi, 712100, China
| | - Huanshan He
- Shaanxi Key Laboratory of Molecular Biology for Agriculture, College of Animal Science and Technology, Northwest A&F University, Yangling, Shaanxi, 712100, China
| | - Huaiping Shi
- Shaanxi Key Laboratory of Molecular Biology for Agriculture, College of Animal Science and Technology, Northwest A&F University, Yangling, Shaanxi, 712100, China
| | - Cong Li
- Shaanxi Key Laboratory of Molecular Biology for Agriculture, College of Animal Science and Technology, Northwest A&F University, Yangling, Shaanxi, 712100, China
| | - Jun Luo
- Shaanxi Key Laboratory of Molecular Biology for Agriculture, College of Animal Science and Technology, Northwest A&F University, Yangling, Shaanxi, 712100, China
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Gao Z, Bao J, Hu Y, Tu J, Ye L, Wang L. Sodium-glucose Cotransporter 2 Inhibitors and Pathological Myocardial Hypertrophy. Curr Drug Targets 2023; 24:1009-1022. [PMID: 37691190 PMCID: PMC10879742 DOI: 10.2174/1389450124666230907115831] [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: 05/02/2023] [Revised: 08/18/2023] [Accepted: 08/23/2023] [Indexed: 09/12/2023]
Abstract
Sodium-glucose cotransporter 2 (SGLT2) inhibitors are a new type of oral hypoglycemic drugs that exert a hypoglycemic effect by blocking the reabsorption of glucose in the proximal renal tubules, thus promoting the excretion of glucose from urine. Their hypoglycemic effect is not dependent on insulin. Increasing data shows that SGLT2 inhibitors improve cardiovascular outcomes in patients with type 2 diabetes. Previous studies have demonstrated that SGLT2 inhibitors can reduce pathological myocardial hypertrophy with or without diabetes, but the exact mechanism remains to be elucidated. To clarify the relationship between SGLT2 inhibitors and pathological myocardial hypertrophy, with a view to providing a reference for the future treatment thereof, this study reviewed the possible mechanisms of SGLT2 inhibitors in attenuating pathological myocardial hypertrophy. We focused specifically on the mechanisms in terms of inflammation, oxidative stress, myocardial fibrosis, mitochondrial function, epicardial lipids, endothelial function, insulin resistance, cardiac hydrogen and sodium exchange, and autophagy.
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Affiliation(s)
- Zhicheng Gao
- The Second Clinical Medical College, Zhejiang Chinese Medical University, Hangzhou, People’s Republic of China
- Heart Center, Department of Cardiovascular Medicine, Zhejiang Provincial People’s Hospital (Affiliated People’s Hospital), Hangzhou Medical College, Hangzhou, Zhejiang, China
| | - Jiaqi Bao
- The Second Clinical Medical College, Zhejiang Chinese Medical University, Hangzhou, People’s Republic of China
- Heart Center, Department of Cardiovascular Medicine, Zhejiang Provincial People’s Hospital (Affiliated People’s Hospital), Hangzhou Medical College, Hangzhou, Zhejiang, China
| | - Yilan Hu
- The Second Clinical Medical College, Zhejiang Chinese Medical University, Hangzhou, People’s Republic of China
- Heart Center, Department of Cardiovascular Medicine, Zhejiang Provincial People’s Hospital (Affiliated People’s Hospital), Hangzhou Medical College, Hangzhou, Zhejiang, China
| | - Junjie Tu
- The Second Clinical Medical College, Zhejiang Chinese Medical University, Hangzhou, People’s Republic of China
| | - Lifang Ye
- Heart Center, Department of Cardiovascular Medicine, Zhejiang Provincial People’s Hospital (Affiliated People’s Hospital), Hangzhou Medical College, Hangzhou, Zhejiang, China
| | - Lihong Wang
- The Second Clinical Medical College, Zhejiang Chinese Medical University, Hangzhou, People’s Republic of China
- Heart Center, Department of Cardiovascular Medicine, Zhejiang Provincial People’s Hospital (Affiliated People’s Hospital), Hangzhou Medical College, Hangzhou, Zhejiang, China
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Song P, Chen T, Rui S, Duan X, Deng B, Armstrong DG, Ma Y, Deng W. Canagliflozin promotes osteoblastic MC3T3-E1 differentiation via AMPK/RUNX2 and improves bone microarchitecture in type 2 diabetic mice. Front Endocrinol (Lausanne) 2022; 13:1081039. [PMID: 36589840 PMCID: PMC9800613 DOI: 10.3389/fendo.2022.1081039] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Figures] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 10/26/2022] [Accepted: 12/05/2022] [Indexed: 12/23/2022] Open
Abstract
Individuals with type 2 diabetes mellitus (T2DM) have an increased risk of bone metabolic disorders and bone fracture due to disease progression and clinical treatment. The effect of sodium-glucose cotransporter 2 (SGLT2) inhibitors, now greatly prescribed for the treatment of T2DM, on bone metabolism is not clear. This study aimed to explore the possible influence of bone metabolic disorder and the underlying mechanism through a comparison of three different SGLT2 inhibitors (canagliflozin, dapagliflozin, and empagliflozin) in the treatment of type 2 diabetic mice. For the in vivo experiments, four groups (DM, DM+Cana, DM+Dapa, and DM+Empa) were established using micro-CT to detect the bone microarchitecture and bone-related parameters. The study results indicated that canagliflozin, but not dapagliflozin or empagliflozin, increased bone mineral density (p<0.05) and improved bone microarchitecture in type 2 diabetic mice. Furthermore, canagliflozin promoted osteoblast differentiation at a concentration of 5 μM under high glucose concentration (HG). Phosphorylated adenosine 5'-monophosphate (AMP)-activated protein kinase (AMPK) α (Thr172) has been confirmed to activate run-related transcription factor-2 (RUNX2) to perform this function. This effect can be partially reversed by the AMPK inhibitor dorsomorphin (compound C) and strengthened by the AMPK activator acadesine (AICAR) in vitro. The level trend of RUNX2 and p-AMPK in vivo were consistent with those in vitro. This study suggested that canagliflozin played a beneficial role in bone metabolism in type 2 diabetic mice compared with dapagliflozin and empagliflozin. It provides some theoretical support for the chosen drugs, especially for patients with osteoporosis or a high risk of fracture.
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Affiliation(s)
- Peiyang Song
- Department of Endocrinology, Chongqing Emergency Medical Center, Chongqing University Central Hospital, School of Medicine, Chongqing University, Chongqing, China
| | - Tianyi Chen
- Department of Endocrinology, Chongqing Emergency Medical Center, Chongqing University Central Hospital, School of Medicine, Chongqing University, Chongqing, China
| | - Shunli Rui
- Department of Endocrinology, Chongqing Emergency Medical Center, Chongqing University Central Hospital, School of Medicine, Chongqing University, Chongqing, China
| | - Xiaodong Duan
- Department of Rehabilitation, The Affiliated Hospital of Southwest Medical University, Luzhou, Sichuan, China
| | - Bo Deng
- Department of Endocrinology, Chongqing Emergency Medical Center, Chongqing University Central Hospital, School of Medicine, Chongqing University, Chongqing, China
| | - David G. Armstrong
- Department of Surgery, Keck School of Medicine of University of Southern California, Los Angeles, CA, United States
| | - Yu Ma
- Department of Endocrinology, Chongqing Emergency Medical Center, Chongqing University Central Hospital, School of Medicine, Chongqing University, Chongqing, China
| | - Wuquan Deng
- Department of Endocrinology, Chongqing Emergency Medical Center, Chongqing University Central Hospital, School of Medicine, Chongqing University, Chongqing, China
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Muacevic A, Adler JR, Phatak P, Shah HB, Phatak I, Shah DB. Sodium-Glucose Cotransporter-2 (SGLT-2) Inhibitors and Genital Infections in Patients With Diabetic Mellitus and Concomitant Coronary Artery Disease: A Single-Center Experience. Cureus 2022; 14:e31842. [PMID: 36579232 PMCID: PMC9788992 DOI: 10.7759/cureus.31842] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Accepted: 11/16/2022] [Indexed: 11/25/2022] Open
Abstract
Objective To investigate the incidence of genital infection due to the use of sodium-glucose cotransporter-2 (SGLT-2) inhibitors in patients with type 2 diabetes mellitus (T2DM) concomitant coronary artery diseases (CAD). Methods A single-center, physician-initiated study was conducted at a tertiary-care center in India. The study enrolled patients with T2DM who were taking SGLT-2 inhibitors for at least two months and divided them into two groups: patients with concomitant CAD as the case group and without CAD as the control group. Demographic data and medical history of patients were documented using a standard questionnaire. Itching and swelling were the signs used for the diagnosis of genital infection. Results A total of 270 consecutive patients with T2DM were enrolled and divided into two groups: 48 patients with CAD as the case group and 222 patients without CAD as the control group. The mean age of patients with CAD was 63.27±7.53 years and without CAD was 58.32±14.89 years. The mean HbA1C levels were 8.40±1.71% in the case group and 8.60±7.20% in the control group. A total of 14.6% of patients with CAD and 12.6% of patients without CAD were found to have genital infections (p=0.712). SGLT-2 inhibitors were stopped in only six patients who had genital infections and all the patients were managed using anti-fungal cream and via maintenance of proper hygiene. The overall incidence of genital infection was about 12.96%, of which only 2.7% required discontinuation of this crucial therapy. Conclusion In conclusion, the incidence of genital infection with the use of SGLT-2 inhibitors is similar among patients with T2DM with concomitant CAD and without CAD. The measures to prevent genital infection should be strongly emphasized. However, larger, well-designed studies are required to validate the current findings.
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Heimke M, Lenz F, Rickert U, Lucius R, Cossais F. Anti-Inflammatory Properties of the SGLT2 Inhibitor Empagliflozin in Activated Primary Microglia. Cells 2022; 11:cells11193107. [PMID: 36231069 PMCID: PMC9563452 DOI: 10.3390/cells11193107] [Citation(s) in RCA: 9] [Impact Index Per Article: 4.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/17/2022] [Revised: 09/25/2022] [Accepted: 09/28/2022] [Indexed: 11/24/2022] Open
Abstract
Sodium-glucose cotransporter 2 (SGLT2) inhibitors, including empagliflozin, are routinely used as antidiabetic drugs. Recent studies indicate that beside its beneficial effects on blood glucose level, empagliflozin may also exert vascular anti-inflammatory and neuroprotective properties. In the brain, microglia are crucial mediators of inflammation, and neuroinflammation plays a key role in neurodegenerative disorders. Dampening microglia-mediated inflammation may slow down disease progression. In this context, we investigated the immunomodulatory effect of empagliflozin on activated primary microglia. As a validated experimental model, rat primary microglial cells were activated into a pro-inflammatory state by stimulation with LPS. The influence of empagliflozin on the expression of pro-inflammatory mediators (NO, Nos2, IL6, TNF, IL1B) and on the anti-inflammatory mediator IL10 was assessed using quantitative PCR and ELISA. Further, we investigated changes in the activation of the ERK1/2 cascade by Western blot and NFkB translocation by immunostaining. We observed that empagliflozin reduces the expression of pro- and anti-inflammatory mediators in LPS-activated primary microglia. These effects might be mediated by NHE-1, rather than by SGLT2, and by the further inhibition of the ERK1/2 and NFkB pathways. Our results support putative anti-inflammatory effects of empagliflozin on microglia and suggest that SGLT2 inhibitors may exert beneficial effects in neurodegenerative disorders.
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Mordi IR, Lang CC. Glucose-Lowering and Metabolic Effects of SGLT2 Inhibitors. Heart Fail Clin 2022; 18:529-538. [PMID: 36216483 DOI: 10.1016/j.hfc.2022.03.004] [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] [Indexed: 11/04/2022]
Abstract
Sodium-glucose cotransporter 2 (SGLT2) inhibitors have consistently demonstrated improved outcomes in patients with heart failure with or without type 2 diabetes; however, the mechanisms contributing to these benefits remain poorly understood. Although SGLT2 inhibitors do have glucose-lowering effects, it is unlikely that their cardiovascular benefits are solely due to improved glycemic control. This improved glycemia leads to consequent metabolic effects that could provide further explanation for their action. This review discusses the glucose-lowering and metabolic effects of SGLT2 inhibitors and how these might lead to improved cardiovascular outcomes in patients with heart failure.
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Affiliation(s)
- Ify R Mordi
- Division of Molecular and Clinical Medicine, School of Medicine, University of Dundee, Dundee DD1 9SY, United Kingdom
| | - Chim C Lang
- Division of Molecular and Clinical Medicine, School of Medicine, University of Dundee, Dundee DD1 9SY, United Kingdom.
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Cui L, Tan C, Huang L, Wang W, Huang Z, Geng F, Wu M, Chen X, Cowley M, Roelfsema F, Chen C. Dapagliflozin partially restores reproductive function in MC4R KO obese female mice. J Endocrinol 2022; 254:65-76. [PMID: 35612570 DOI: 10.1530/joe-21-0449] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 04/09/2022] [Accepted: 05/16/2022] [Indexed: 11/08/2022]
Abstract
Obese women often have certain degree of reproductive dysfunction with infertility. Although the clinical impact of obesity on female infertility has been extensively studied, the effective and targeted treatment is still lacking. Melanocortin-4-receptor knock-out (MC4R KO) mouse is an over-eating obese model with hyperphagia, hyperinsulinemia, reduced growth hormone (GH), and insulin resistance. Dapagliflozin improved the metabolic and hormonal parameters in MC4R KO mice. MC4R KO female mice were treated with dapagliflozin for 14 weeks from 14-week age. Age-matched WT littermates and non-treated MC4R KO mice were used as control groups. Food intake was measured daily. Body weight was measured twice a week. Estrous cycles, GH, and luteinizing hormone (LH) profiles were measured. Selected tissues were collected at the end of experiments for gene expression profiles and hematoxylin-eosin staining. Regularity and mode of hormonal profiles were restored by the dapagliflozin treatment. Estrous cycle was partially normalized, number of CL was significantly increased, and the expression of Kiss1 and Gnrh1 in the hypothalamus and LH in the pituitary was markedly increased by the dapagliflozin treatment. It is conclsuded that dapagliflozin may recover LH and GH profiles partially through modification of relevant gene expression in the hypothalamus and pituitary, and result in an improved ovulation rate in obese mouse model. Dapagliflozin may therefore improve fertility in obese patients.
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Affiliation(s)
- Ling Cui
- School of Biomedical Science, University of Queensland, St Lucia, Brisbane, Queensland, Australia
- Department of Reproduction and Infertility, Chengdu Women's and Children's Central Hospital, School of Medicine, University of Electronic Science and Technology of China, Chengdu, China
| | - Chunlu Tan
- School of Biomedical Science, University of Queensland, St Lucia, Brisbane, Queensland, Australia
| | - Lili Huang
- School of Biomedical Science, University of Queensland, St Lucia, Brisbane, Queensland, Australia
| | - Weihao Wang
- School of Biomedical Science, University of Queensland, St Lucia, Brisbane, Queensland, Australia
| | - Zhengxiang Huang
- School of Biomedical Science, University of Queensland, St Lucia, Brisbane, Queensland, Australia
| | - Fang Geng
- School of Biomedical Science, University of Queensland, St Lucia, Brisbane, Queensland, Australia
| | - Mengjun Wu
- Department of Reproduction and Infertility, Chengdu Women's and Children's Central Hospital, School of Medicine, University of Electronic Science and Technology of China, Chengdu, China
| | - Xiaolin Chen
- Endocrinology Department, Renmin Hospital of Wuhan University, Wuchang District, Wuhan, Hubei Province, China
| | - Michael Cowley
- Department of Physiology, Monash University, Clayton, Victoria, Australia
| | | | - Chen Chen
- School of Biomedical Science, University of Queensland, St Lucia, Brisbane, Queensland, Australia
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11
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Turan B, Durak A, Olgar Y, Tuncay E. Comparisons of pleiotropic effects of SGLT2 inhibition and GLP-1 agonism on cardiac glucose intolerance in heart dysfunction. Mol Cell Biochem 2022; 477:2609-2625. [DOI: 10.1007/s11010-022-04474-5] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/17/2022] [Accepted: 05/04/2022] [Indexed: 11/29/2022]
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Granata A, Pesce F, Iacoviello M, Anzaldi M, Amico F, Catalano M, Leonardi G, Gatta C, Costanza G, Corrao S, Gesualdo L. SGLT2 Inhibitors: A Broad Impact Therapeutic Option for the Nephrologist. FRONTIERS IN NEPHROLOGY 2022; 2:867075. [PMID: 37674992 PMCID: PMC10479658 DOI: 10.3389/fneph.2022.867075] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 01/31/2022] [Accepted: 03/17/2022] [Indexed: 09/08/2023]
Abstract
Since their introduction as antidiabetic drugs, SGLT2 inhibitors (SGLT2i) have come a long way, proving to be beneficial on cardiovascular and renal outcomes independently of diabetes status. The benefits go far beyond glycemic control, and both the cardio- and nephroprotection are underpinned by diverse mechanisms. From the activation of tubule glomerular feedback and the consequent reduction in hyperfiltration to the improvement of hypoxia and oxidative stress in the renal cortex, SGLT2i have also been shown to inhibit hepcidin and limit podocyte damage. Likewise, they improve cardiac metabolism and bioenergetics, and reduce necrosis and cardiac fibrosis and the production of adipokines, cytokines, and epicardial adipose tissue mass. In terms of outcomes, the efficacy has been demonstrated on blood pressure control, BMI, albuminuria, stroke, heart disease, and mortality rate due to cardiovascular events. Patients with chronic kidney disease and proteinuria, with or without diabetes, treated with some SGLT2i have a reduced risk of progression. The analysis of subgroups of individuals with specific diseases such as IgA nephropathy has confirmed this solid effect on renal outcomes. Given these overarching activities on such a broad pathophysiological background and the favorable safety profile that goes with the use of SGLT2i, it is now certain that they are changing our approach to clinical interventions for important outcomes with an impressive impact.
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Affiliation(s)
- Antonio Granata
- Nephrology and Dialysis Unit, “Cannizzaro” Emergency Hospital, Catania, Italy
| | - Francesco Pesce
- Renal, Dialysis and Transplantation Unit, Department of Emergency and Organ Transplantation, University of Bari, Bari, Italy
| | - Massimo Iacoviello
- Cardiology Unit, Department of Medical and Surgical Science, University of Foggia, Foggia, Italy
| | | | - Francesco Amico
- Cardiology Unit, “Cannizzaro” Emergency Hospital, Catania, Italy
| | - Maria Catalano
- Cardiology Unit, “Cannizzaro” Emergency Hospital, Catania, Italy
| | - Giuseppe Leonardi
- Cardiology Unit, Azienda Ospedaliera Universitaria (A.O.U.) “Policlinico-San Marco”, Catania, Italy
| | - Carmela Gatta
- Internal Medicine Unit, Azienda Ospedaliera Universitaria (A.O.U.) “Policlinico-San Marco”, Catania, Italy
| | - Giusy Costanza
- Nephrology and Dialysis, “Vittorio Emanuele” Hospital, Gela, Italy
| | - Salvatore Corrao
- Department of Internal Medicine, “Azienda di Rilievo Nazionale ed Alta Specializzazione (ARNAS) Civico, Di Cristina e Benfratelli”, Palermo, Italy
| | - Loreto Gesualdo
- Renal, Dialysis and Transplantation Unit, Department of Emergency and Organ Transplantation, University of Bari, Bari, Italy
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Lin YH, Lin CH, Huang YY, Tai AS, Fu SC, Chen ST, Lin SH. Risk factors of first and recurrent genitourinary tract infection in patients with type 2 diabetes treated with SGLT2 inhibitors: A retrospective cohort study. Diabetes Res Clin Pract 2022; 186:109816. [PMID: 35247527 DOI: 10.1016/j.diabres.2022.109816] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 11/04/2021] [Revised: 01/30/2022] [Accepted: 02/28/2022] [Indexed: 02/07/2023]
Abstract
AIMS This retrospective study investigated the risk factors of sodium-glucose cotransporter 2 inhibitors (SGLT2i) -related genitourinary tract infection (GUTI). METHODS We used longitudinal claims data from May 2016 to December 2017 from the Chang Gung Research Database. Diabetic patients who used SGLT2i were included. The baseline characteristics risk factors between patients who had GUTI and no GUTI were analyzed. RESULTS There were 428(3.43%) patients with the first occurrence of urinary tract infection (UTI) and 5(0.04%) patients with genital tract infection (GTI). Female patients aged ≥ 65 years with HbA1c ≥ 9%, eGFR < 60 ml/min/1.73 m2, urine albumin/creatinine ratio (UACR) level ≥30 mg/g, dyslipidemia, diabetic microvascular complications and mood disorder had a higher risk of having the first occurrence of UTI. There was no significant risk factor of GTI. 117 UTI and 3 GTI patients received SGLT2i rechallenging. The recurrent UTI rate was 28.2% and no recurrent GTI was diagnosed. The risk factors included CHD, eGRF < 45 ml/min/1.73 m2, and mood disorder (OR, 95% CI: 4.39, 1.15-16.74; 4.11, 1.51-11.19; 5.93, 1.39-25.34, respectively). CONCLUSIONS In diabetic patients who had underlying disease of eGRF < 45 ml/min/1.73 m2, CHD, and mood disorder had higher risk of recurrent UTI after rechallenging SGLT2i.
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Affiliation(s)
- Yi-Hsuan Lin
- Division of Endocrinology and Metabolism, Department of Internal Medicine, Chang Gung Memorial Hospital, Linkou, Taiwan
| | - Chia-Hung Lin
- Division of Endocrinology and Metabolism, Department of Internal Medicine, Chang Gung Memorial Hospital, Linkou, Taiwan; Department of Chinese Medicine, College of Medicine, Chang Gung University, Taoyuan, Taiwan
| | - Yu-Yao Huang
- Division of Endocrinology and Metabolism, Department of Internal Medicine, Chang Gung Memorial Hospital, Linkou, Taiwan; Department of Medical Nutrition Therapy, Chang Gung Memorial Hospital, Linkou, Taiwan
| | - An-Shun Tai
- Institute of Statistics, National Chiao Tung University, Hsinchu, Taiwan
| | - Shih-Chen Fu
- Institute of Statistics, National Chiao Tung University, Hsinchu, Taiwan
| | - Szu-Tah Chen
- Division of Endocrinology and Metabolism, Department of Internal Medicine, Chang Gung Memorial Hospital, Linkou, Taiwan
| | - Sheng-Hsuan Lin
- Institute of Statistics, National Chiao Tung University, Hsinchu, Taiwan.
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14
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Sun L, Deng C, Gu Y, He Y, Yang L, Shi J. Effects of dapagliflozin in patients with nonalcoholic fatty liver disease: A systematic review and meta-analysis of randomized controlled trials. Clin Res Hepatol Gastroenterol 2022; 46:101876. [PMID: 35321843 DOI: 10.1016/j.clinre.2022.101876] [Citation(s) in RCA: 8] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 01/10/2022] [Revised: 01/29/2022] [Accepted: 02/04/2022] [Indexed: 02/06/2023]
Abstract
BACKGROUND Dapagliflozin as a treatment option in patients with nonalcoholic fatty liver disease (NAFLD) has received increasing attention, however, the efficacy and safety of dapagliflozin for NAFLD has not been well assessed. This meta-analysis aimed to summarize these RCTs and evaluate the efficacy of dapagliflozin for patients with NAFLD. METHODS The PubMed, Embase, Web of Science, and Cochrane Library databases were searched for RCTs comparing dapagliflozin with placebo or active comparator in patients with NAFLD from inception to Oct 2021. RESULTS We included seven trials with 390 randomized participants in total. Compared to the placebo or control group, dapagliflozin could reduce the levels of alanine aminotransferase(ALT) (WMD: -6.62U/L; 95%CI: -12.66,-0.58; p = 0.03) and aspartate aminotransaminase(AST) (WMD: -4.20U/L; 95%CI: -7.92,-0.47; p = 0.03). However, dapagliflozin produced a non-significant decrease in gamma-glutamyl transferase (GGT) levels (WMD: -7.28U/L; 95%CI: -16.26,1.71; p = 0.11). Additionally, we showed that dapagliflozin significantly affect Homeostatic Model Assessment of Insulin Resistance (HOMA-IR) (WMD: -0.88; 95%CI: -1.43,-0.33; p = 0.002). Metabolic outcomes, such as bodyweight (WMD: -3.79 Kg; 95%CI: -4.63,-2.95; p < 0.00001), body mass index (BMI) (WMD: -1.33 Kg/m2; 95%CI: -2.37,-0.28; p = 0.01), low-density lipoprotein cholesterol (LDL-C) (WMD: -2.66 mg/dL; 95%CI: -3.99,-1.32; p < 0.00001) and triglycerides (TG) (WMD: -16.77 mg/dL; 95%CI: -31.93,-1.61; p = 0.03) were also reduced. Meanwhile, we found that dapagliflozin increased total cholesterol (TC) (WMD: 9.77 mg/dL; 95%CI: 1.58,17.97; p = 0.02). There was no significant difference in the incidence of total adverse events between the dapagliflozin group and the control group (RR = 0.96; 95%CI: 0.60,1.54; p = 0.86). CONCLUSION Our results suggest that dapagliflozin effectively improves liver function parameters and metabolic outcomes among patients with NAFLD. At the same time, treatment with dapagliflozin may increase total cholesterol.
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Affiliation(s)
- Lei Sun
- Medical School, Hangzhou Normal University, Zhejiang, China
| | - Chaohua Deng
- Medical School, Hangzhou Normal University, Zhejiang, China
| | - Yunpeng Gu
- School of Public Health, Hangzhou Normal University, Zhejiang, China
| | - Yining He
- Medical School, Hangzhou Normal University, Zhejiang, China
| | - Luping Yang
- Medical School, Zhejiang Chinese Medical University, Zhejiang, China
| | - Junping Shi
- The Department of Hepatology, The Affiliated Hospital & Institute of Hepatology and Metabolic Disease of Hangzhou Normal University, Hangzhou, Zhejiang, China.
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Nasonova SN, Zhirov IV, Tereshchenko SN. Chronic heart failure – modification of treatment paradigm. CONSILIUM MEDICUM 2022. [DOI: 10.26442/20751753.2022.1.201445] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/22/2022] Open
Abstract
The relevance of chronic heart failure (CHF) remains high. Despite significant advances in basic therapy for CHF patients, the prognosis remains poor. The prescription of inhibitors of sodium-glucose cotransporter type 2 dapagliflozin made it possible to change the paradigm of treatment of patients with CHF with low left ventricular ejection fraction.
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Sędzikowska A, Szablewski L. Human Glucose Transporters in Renal Glucose Homeostasis. Int J Mol Sci 2021; 22:13522. [PMID: 34948317 PMCID: PMC8708129 DOI: 10.3390/ijms222413522] [Citation(s) in RCA: 8] [Impact Index Per Article: 2.7] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/17/2021] [Revised: 12/13/2021] [Accepted: 12/14/2021] [Indexed: 12/26/2022] Open
Abstract
The kidney plays an important role in glucose homeostasis by releasing glucose into the blood stream to prevent hypoglycemia. It is also responsible for the filtration and subsequent reabsorption or excretion of glucose. As glucose is hydrophilic and soluble in water, it is unable to pass through the lipid bilayer on its own; therefore, transport takes place using carrier proteins localized to the plasma membrane. Both sodium-independent glucose transporters (GLUT proteins) and sodium-dependent glucose transporters (SGLT proteins) are expressed in kidney tissue, and mutations of the genes coding for these glucose transporters lead to renal disorders and diseases, including renal cancers. In addition, several diseases may disturb the expression and/or function of renal glucose transporters. The aim of this review is to describe the role of the kidney in glucose homeostasis and the contribution of glucose transporters in renal physiology and renal diseases.
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Affiliation(s)
| | - Leszek Szablewski
- Chair and Department of General Biology and Parasitology, Medical University of Warsaw, Chalubinskiego 5, 02-004 Warsaw, Poland;
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17
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Abstract
Sodium glucose cotransporter 2 (SGLT-2) inhibitors are the latest class of antidiabetic medications. They prevent glucose reabsorption in the proximal convoluted tubule to decrease blood sugar. Several animal studies revealed that SGLT-2 is profoundly involved in the inflammatory response, fibrogenesis, and regulation of numerous intracellular signaling pathways. Likewise, SGLT-2 inhibitors markedly attenuated inflammation and fibrogenesis and improved the function of damaged organ in animal studies, observational studies, and clinical trials. SGLT-2 inhibitors can decrease blood pressure and ameliorate hypertriglyceridemia and obesity. Likewise, they improve the outcome of cardiovascular diseases such as heart failure, arrhythmias, and ischemic heart disease. SGLT-2 inhibitors are associated with lower cardiovascular and all-cause mortality as well. Meanwhile, they protect against nonalcoholic fatty liver disease (NAFLD), chronic kidney disease, acute kidney injury, and improve micro- and macroalbuminuria. SGLT-2 inhibitors can reprogram numerous signaling pathways to improve NAFLD, cardiovascular diseases, and renal diseases. For instance, they enhance lipolysis, ketogenesis, mitochondrial biogenesis, and autophagy while they attenuate the renin-angiotensin-aldosterone system, lipogenesis, endoplasmic reticulum stress, oxidative stress, apoptosis, and fibrogenesis. This review explains the beneficial effects of SGLT-2 inhibitors on NAFLD and cardiovascular and renal diseases and dissects the underlying molecular mechanisms in detail. This narrative review explains the beneficial effects of SGLT-2 inhibitors on NAFLD and cardiovascular and renal diseases using the results of latest observational studies, clinical trials, and meta-analyses. Thereafter, it dissects the underlying molecular mechanisms involved in the clinical effects of SGLT-2 inhibitors on these diseases.
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Affiliation(s)
- Moein Ala
- School of Medicine, Tehran University of Medical Sciences (TUMS), Tehran, Iran
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18
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Chen MB, Wang H, Cui WY, Xu HL, Zheng QH. Effect of SGLT inhibitors on weight and lipid metabolism at 24 weeks of treatment in patients with diabetes mellitus: A systematic review and network meta-analysis. Medicine (Baltimore) 2021; 100:e24593. [PMID: 33578559 PMCID: PMC7886459 DOI: 10.1097/md.0000000000024593] [Citation(s) in RCA: 8] [Impact Index Per Article: 2.7] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 11/16/2020] [Accepted: 01/14/2021] [Indexed: 01/05/2023] Open
Abstract
BACKGROUND The goals of improving quality of life and increasing longevity are receiving growing amounts of attention. Body weight and lipid metabolism are closely related to various complications of diabetes. The aim of this study was to rank SGLT inhibitors according to their efficacy with regard to weight and evaluate the effect of SGLT inhibitors on lipid metabolism at 24 weeks of treatment. METHODS The Web of Science, PubMed, Cochrane Library, Embase, and Clinical Trials databases were electronically searched to collect randomized controlled trials involving patients with type 2 diabetes mellitus through June 2020. Two researchers independently screened and evaluated the selected studies and extracted the outcome indexes. ADDIS 1.16.5 and STATA 16 software were used to perform the network meta-analysis and draw the plots. RESULTS Ultimately, 36 studies were selected and included in this study. We found that all SGLT inhibitors were effective at reducing weight; canagliflozin was the most effective. SGLT inhibitors and placebo were not associated with significantly different serum cholesterol levels. SGLT inhibitors lowered serum triglyceride levels and increased serum high-density and low-density lipoprotein cholesterol levels. SGLT inhibitors also reduced the level of alanine aminotransferase. CONCLUSIONS SGLT inhibitors can bring about weight loss in patients with T2DM and can also improve lipid metabolism. Therefore, patients with hyperlipidemia who have been unsuccessful at losing weight should consider taking SGLT inhibitors. In addition, SGLT inhibitors are hepatoprotective and appear to be safe for patients with mild to moderate liver dysfunction. TRIAL REGISTRATION CRD42020198516.
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Affiliation(s)
| | - Hua Wang
- Department of ICU, Wujin People's Hospital Affiliated with Jiangsu University and Wujin Clinical College of Xuzhou Medical University, Changzhou, Jiangsu, P.R. China
| | - Wei-yan Cui
- Department of ICU, Wujin People's Hospital Affiliated with Jiangsu University and Wujin Clinical College of Xuzhou Medical University, Changzhou, Jiangsu, P.R. China
| | - Hua-lan Xu
- Department of ICU, Wujin People's Hospital Affiliated with Jiangsu University and Wujin Clinical College of Xuzhou Medical University, Changzhou, Jiangsu, P.R. China
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19
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Nikolic M, Zivkovic V, Jovic JJ, Sretenovic J, Davidovic G, Simovic S, Djokovic D, Muric N, Bolevich S, Jakovljevic V. SGLT2 inhibitors: a focus on cardiac benefits and potential mechanisms. Heart Fail Rev 2021; 27:935-949. [PMID: 33534040 DOI: 10.1007/s10741-021-10079-9] [Citation(s) in RCA: 18] [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] [Accepted: 01/21/2021] [Indexed: 12/16/2022]
Abstract
This paper highlights the cardioprotective potential of sodium-glucose cotransporter 2 inhibitors (SLGT2i), as well as several most discussed mechanisms responsible for their cardioprotection. Cardiovascular diseases are considered a primary cause of death in nearly 80% of type 2 diabetes mellitus (T2DM) patients, with a 2-4-fold greater incidence of heart failure (HF) among diabetics. As novel hypoglycemics, SGLT2i showed exceptional cardiovascular benefits, reflected through robust reductions of cardiovascular mortality and hospitalization for HF in T2DM patients. Recently, those effects have been reported even in patients with HF and reduced ejection fraction irrespectively of diabetic status, suggesting that cardioprotective effects of SGLT2i are driven independently of their hypoglycemic actions. SGLT2i exerted hemodynamic and metabolic effects, partially driven by natriuresis and osmotic diuresis. However, those systemic effects are modest, and therefore cannot be completely related to the cardiac benefits of these agents in T2DM patients. Hence, increased circulating ketone levels during SGLT2i administration have brought out another hypothesis of a cardiac metabolic switch. Moreover, SGLT2i influence ion homeostasis and exert anti-inflammatory and antifibrotic effects. Their enviable influence on oxidative stress markers, as well as anti- and pro-apoptotic factors, have also been reported. However, since the main mechanistical contributor of their cardioprotection has not been elucidated yet, a joint action of systemic and molecular mechanisms has been suggested. In the light of ongoing trials evaluating the effects of SGLT2i in patients with HF and preserved ejection fraction, a new chapter of beneficial SGLT2i mechanisms is expected, which might resolve their main underlying action.
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Affiliation(s)
- Maja Nikolic
- Department of Physiology, Faculty of Medical Sciences, University of Kragujevac, Kragujevac, Serbia
| | - Vladimir Zivkovic
- Department of Physiology, Faculty of Medical Sciences, University of Kragujevac, Kragujevac, Serbia
| | - Jovana Joksimovic Jovic
- Department of Physiology, Faculty of Medical Sciences, University of Kragujevac, Kragujevac, Serbia
| | - Jasmina Sretenovic
- Department of Physiology, Faculty of Medical Sciences, University of Kragujevac, Kragujevac, Serbia
| | - Goran Davidovic
- Department of Internal Medicine, Faculty of Medical Sciences, University of Kragujevac, Kragujevac, Serbia
- Clinic of Cardiology, Clinical Center Kragujevac, Kragujevac, Serbia
| | - Stefan Simovic
- Department of Internal Medicine, Faculty of Medical Sciences, University of Kragujevac, Kragujevac, Serbia
- Clinic of Cardiology, Clinical Center Kragujevac, Kragujevac, Serbia
| | - Danijela Djokovic
- Department of Psychiatry, Faculty of Medical Sciences, University of Kragujevac, Kragujevac, Serbia
- Clinic of Psychiatry, Clinical Center Kragujevac, Kragujevac, Serbia
| | - Nemanja Muric
- Department of Psychiatry, Faculty of Medical Sciences, University of Kragujevac, Kragujevac, Serbia
- Clinic of Psychiatry, Clinical Center Kragujevac, Kragujevac, Serbia
| | - Sergey Bolevich
- Department of Human Pathology, 1st Moscow State Medical University IM Sechenov, Moscow, Russia
| | - Vladimir Jakovljevic
- Department of Physiology, Faculty of Medical Sciences, University of Kragujevac, Kragujevac, Serbia.
- Department of Human Pathology, 1st Moscow State Medical University IM Sechenov, Moscow, Russia.
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20
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Hædersdal S, Lund A, Nielsen-Hannerup E, Maagensen H, van Hall G, Holst JJ, Knop FK, Vilsbøll T. The Role of Glucagon in the Acute Therapeutic Effects of SGLT2 Inhibition. Diabetes 2020; 69:2619-2629. [PMID: 33004472 PMCID: PMC7679772 DOI: 10.2337/db20-0369] [Citation(s) in RCA: 9] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 04/10/2020] [Accepted: 09/24/2020] [Indexed: 12/15/2022]
Abstract
Sodium-glucose cotransporter 2 inhibitors (SGLT2i) effectively lower plasma glucose (PG) concentration in patients with type 2 diabetes, but studies have suggested that circulating glucagon concentrations and endogenous glucose production (EGP) are increased by SGLT2i, possibly compromising their glucose-lowering ability. To tease out whether and how glucagon may influence the glucose-lowering effect of SGLT2 inhibition, we subjected 12 patients with type 2 diabetes to a randomized, placebo-controlled, double-blinded, crossover, double-dummy study comprising, on 4 separate days, a liquid mixed-meal test preceded by single-dose administration of either 1) placebo, 2) the SGLT2i empagliflozin (25 mg), 3) the glucagon receptor antagonist LY2409021 (300 mg), or 4) the combination empagliflozin + LY2409021. Empagliflozin and LY2409021 individually lowered fasting PG compared with placebo, and the combination further decreased fasting PG. Previous findings of increased glucagon concentrations and EGP during acute administration of SGLT2i were not replicated in this study. Empagliflozin reduced postprandial PG through increased urinary glucose excretion. LY2409021 reduced EGP significantly but gave rise to a paradoxical increase in postprandial PG excursion, which was annulled by empagliflozin during their combination (empagliflozin + LY2409021). In conclusion, our findings do not support that an SGLT2i-induced glucagonotropic effect is of importance for the glucose-lowering property of SGLT2 inhibition.
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Affiliation(s)
- Sofie Hædersdal
- Steno Diabetes Center Copenhagen, Gentofte, Denmark
- Center for Clinical Metabolic Research, Gentofte Hospital, University of Copenhagen, Hellerup, Denmark
- Danish Diabetes Academy, Odense University Hospital, Odense, Denmark
| | - Asger Lund
- Center for Clinical Metabolic Research, Gentofte Hospital, University of Copenhagen, Hellerup, Denmark
| | | | - Henrik Maagensen
- Center for Clinical Metabolic Research, Gentofte Hospital, University of Copenhagen, Hellerup, Denmark
| | - Gerrit van Hall
- Department of Biomedical Sciences, Faculty of Health and Medical Sciences, University of Copenhagen, Copenhagen, Denmark
- Clinical Metabolomics Core Facility, Department of Clinical Biochemistry, Rigshospitalet, University of Copenhagen, Copenhagen, Denmark
| | - Jens J Holst
- Department of Biomedical Sciences, Faculty of Health and Medical Sciences, University of Copenhagen, Copenhagen, Denmark
- Novo Nordisk Foundation Center for Basic Metabolic Research, Faculty of Health and Medical Sciences, University of Copenhagen, Copenhagen, Denmark
| | - Filip K Knop
- Steno Diabetes Center Copenhagen, Gentofte, Denmark
- Center for Clinical Metabolic Research, Gentofte Hospital, University of Copenhagen, Hellerup, Denmark
- Novo Nordisk Foundation Center for Basic Metabolic Research, Faculty of Health and Medical Sciences, University of Copenhagen, Copenhagen, Denmark
- Department of Clinical Medicine, Faculty of Health and Medical Sciences, University of Copenhagen, Copenhagen, Denmark
| | - Tina Vilsbøll
- Steno Diabetes Center Copenhagen, Gentofte, Denmark
- Center for Clinical Metabolic Research, Gentofte Hospital, University of Copenhagen, Hellerup, Denmark
- Department of Clinical Medicine, Faculty of Health and Medical Sciences, University of Copenhagen, Copenhagen, Denmark
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21
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Scheen AJ. Sodium-glucose cotransporter type 2 inhibitors for the treatment of type 2 diabetes mellitus. Nat Rev Endocrinol 2020; 16:556-577. [PMID: 32855502 DOI: 10.1038/s41574-020-0392-2] [Citation(s) in RCA: 143] [Impact Index Per Article: 35.8] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Accepted: 07/03/2020] [Indexed: 02/07/2023]
Abstract
The management of type 2 diabetes mellitus (T2DM) is becoming increasingly complex. Sodium-glucose cotransporter type 2 inhibitors (SGLT2is) are the newest antidiabetic agents for T2DM. By targeting the kidney, they have a unique mechanism of action, which results in enhanced glucosuria, osmotic diuresis and natriuresis, thereby improving glucose control with a limited risk of hypoglycaemia and exerting additional positive effects such as weight loss and the lowering of blood pressure. Several outcome studies with canagliflozin, dapagliflozin or empagliflozin reported a statistically significant reduction in major cardiovascular events, hospitalization for heart failure and progression to advanced renal disease in patients with T2DM who have established atherosclerotic cardiovascular disease, several cardiovascular risk factors, albuminuric mild to moderate chronic kidney disease or heart failure. Current guidelines proposed a new paradigm in the management of T2DM, with a preferential place for SGLT2is, after metformin, in patients with atherosclerotic cardiovascular disease, heart failure and progressive kidney disease. Ongoing trials might extend the therapeutic potential of SGLT2is in patients with, but also without, T2DM. This Review provides an update of the current knowledge on SGLT2is, moving from their use as glucose-lowering medications to their new positioning as cardiovascular and renal protective agents.
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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, Center for Interdisciplinary Research on Medicines (CIRM), University of Liège, Liège, Belgium.
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Berger C, Zdzieblo D. Glucose transporters in pancreatic islets. Pflugers Arch 2020; 472:1249-1272. [PMID: 32394191 PMCID: PMC7462922 DOI: 10.1007/s00424-020-02383-4] [Citation(s) in RCA: 61] [Impact Index Per Article: 15.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/05/2020] [Revised: 04/20/2020] [Accepted: 04/22/2020] [Indexed: 02/07/2023]
Abstract
The fine-tuning of glucose uptake mechanisms is rendered by various glucose transporters with distinct transport characteristics. In the pancreatic islet, facilitative diffusion glucose transporters (GLUTs), and sodium-glucose cotransporters (SGLTs) contribute to glucose uptake and represent important components in the glucose-stimulated hormone release from endocrine cells, therefore playing a crucial role in blood glucose homeostasis. This review summarizes the current knowledge about cell type-specific expression profiles as well as proven and putative functions of distinct GLUT and SGLT family members in the human and rodent pancreatic islet and further discusses their possible involvement in onset and progression of diabetes mellitus. In context of GLUTs, we focus on GLUT2, characterizing the main glucose transporter in insulin-secreting β-cells in rodents. In addition, we discuss recent data proposing that other GLUT family members, namely GLUT1 and GLUT3, render this task in humans. Finally, we summarize latest information about SGLT1 and SGLT2 as representatives of the SGLT family that have been reported to be expressed predominantly in the α-cell population with a suggested functional role in the regulation of glucagon release.
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Affiliation(s)
- Constantin Berger
- Tissue Engineering & Regenerative Medicine, University Hospital Würzburg, Röntgenring 11, 97070, Würzburg, Germany
| | - Daniela Zdzieblo
- Tissue Engineering & Regenerative Medicine, University Hospital Würzburg, Röntgenring 11, 97070, Würzburg, Germany.
- Fraunhofer Institute for Silicate Research (ISC), Translational Center Regenerative Therapies, Neunerplatz 2, 97082, Würzburg, Germany.
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Scheen AJ. SGLT2 Inhibitors as Add-On Therapy to Metformin for People with Type 2 Diabetes: A Review of Placebo-Controlled Trials in Asian versus Non-Asian Patients. Diabetes Metab Syndr Obes 2020; 13:2765-2779. [PMID: 32821142 PMCID: PMC7417649 DOI: 10.2147/dmso.s193528] [Citation(s) in RCA: 20] [Impact Index Per Article: 5.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 04/17/2020] [Accepted: 07/08/2020] [Indexed: 12/13/2022] Open
Abstract
Metformin remains the first pharmacological choice for treating hyperglycemia in type 2 diabetes (T2DM) in most international guidelines. Sodium-glucose cotransporter type 2 inhibitors (SGLT2is) are increasingly used as add-on therapy. T2DM pathophysiology is different in Asian and non-Asian (mainly Caucasian) patients. The aim of this systematic review is to compare the efficacy of SGLT2is vs placebo added to metformin in randomized controlled trials (RCTs: range 12-52 weeks) in Asian versus non-Asian patients with T2DM. The primary endpoint is the reduction in glycated hemoglobin (HbA1c) from baseline and key secondary endpoints are reductions in fasting plasma glucose (FPG), body weight (BW) and systolic blood pressure (SBP). Systematic literature search collected 7 RCTs (3 with 2 doses) in Asian patients (10 analyses, n=1164, iSGLT2: canagliflozin, dapagliflozin, ertugliflozin, ipragliflozin, tofogliflozin)) and 10 RCTs (6 with two doses) in non-Asian patients (16 analyses, n=2482, iSGLT2: canagliflozin, dapagliflozin, empagliflozin, ertugliflozin, ipragliflozin). Baseline values of HbA1c (7.98±0.19 vs 7.89±0.27%), FPG (8.80 ±0.46 vs 9.11±0.49 mmol/l) and SBP (128.4±1.6 vs 130.2±3.1 mmHg) were not significantly different in Asian vs non-Asian patients, but BW was lower in Asian patients (71.6±4.8 vs 88.0±2.5 kg, p<0.001). The placebo-adjusted weighed mean differences (WMD, 95% CI) were similar in Asian versus non-Asian patients regarding the reductions in HbA1c -0.60 (-0.68, -0.53) % versus -0.54 (-0.59, -0.49) % (p=0.568), FPG -1.37 (-1.53, -1.22) mmol/l vs -1.37 (-1.47, -1.27) mmol/l (p=0.627), BW when expressed in percentage of baseline BW -2.23 (-2.55, -1.90) % vs -2.16 (-2.37, -1.96) % (p=0.324), and SBP -4.53 (-5.53, -3.53) mmHg vs -4.06 (-4.83, -3.29) mmHg) (p=0.223). In conclusion, clinical efficacy of SGLT2i, as an add-on treatment to metformin monotherapy in patients with T2DM, is similar in Asian versus non-Asian patients, despite known ethnic differences in phenotype and pathophysiology of T2DM.
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Affiliation(s)
- André J Scheen
- Diabetes, Nutrition and Metabolic Disorders, Department of Medicine, CHU Liège, Liège University, Liège, Belgium
- Clinical Pharmacology Unit, CHU Liège, Center for Interdisciplinary Research on Medicines (CIRM), Liège University, Liège, Belgium
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McInnes N, Hall S, Sultan F, Aronson R, Hramiak I, Harris S, Sigal RJ, Woo V, Liu YY, Gerstein HC. Remission of Type 2 Diabetes Following a Short-term Intervention With Insulin Glargine, Metformin, and Dapagliflozin. J Clin Endocrinol Metab 2020; 105:5836895. [PMID: 32403130 DOI: 10.1210/clinem/dgaa248] [Citation(s) in RCA: 11] [Impact Index Per Article: 2.8] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 12/22/2019] [Accepted: 05/12/2020] [Indexed: 02/05/2023]
Abstract
OBJECTIVE To examine diabetes remission following a short-term intensive metabolic intervention combining lifestyle and glucose-lowering approaches. METHODS We conducted an open-label, randomized controlled trial in 154 patients with type 2 diabetes up to 8 years in duration on 0 to 2 glucose-lowering medications. Participants were randomized to (a) a 12-week intensive intervention comprising lifestyle approaches and treatment with insulin glargine, metformin, and dapagliflozin or (b) standard diabetes care. At 12 weeks, diabetes medications were discontinued in participants with hemoglobin A1c (HbA1C) < 7.3% (56 mmol/mol). Participants were then followed for diabetes relapse until 64 weeks. The primary outcome was complete or partial diabetes remission (HbA1C < 6.5% [48 mmol/mol] off chronic diabetes drugs) at 24 weeks. Main secondary outcomes were complete or partial diabetes remission at 36, 48, and 64 weeks. RESULTS The primary outcome was achieved in 19 (24.7%) intervention group participants and 13 (16.9%) control group participants at 24 weeks (relative risk [RR] 1.5; 95% confidence interval [CI], 0.8-2.7). The relative risks of remission at 36, 48, and 64 weeks were 2.4 (95% CI, 1.2-5.0), 2.1 (95% CI, 1.0-4.4), and 1.8 (95% CI, 0.7-4.7), respectively. In an exploratory analysis, the intervention reduced the hazard of diabetes relapse with overt hyperglycemia by 43% (hazard ratio 0.57; 95% CI, 0.39-0.81). CONCLUSIONS Our primary outcome of diabetes remission at 24 weeks was not statistically significantly different. However, our overall results suggest that some patients with early type 2 diabetes are able to achieve sustained diabetes remission following a short-term intensive intervention. Further studies are needed to optimize the combined therapeutic approach used.
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Affiliation(s)
- Natalia McInnes
- McMaster University, Hamilton, Ontario, Canada
- Population Health Research Institute, Hamilton Health Sciences, Hamilton, Ontario, Canada
| | - Stephanie Hall
- Population Health Research Institute, Hamilton Health Sciences, Hamilton, Ontario, Canada
| | | | - Ronnie Aronson
- LMC Diabetes and Endocrinology Community Practice, Toronto, Ontario, Canada
| | | | | | | | - Vincent Woo
- University of Manitoba, Winnipeg, Manitoba, Canada
| | - Yan Yun Liu
- Population Health Research Institute, Hamilton Health Sciences, Hamilton, Ontario, Canada
| | - Hertzel C Gerstein
- McMaster University, Hamilton, Ontario, Canada
- Population Health Research Institute, Hamilton Health Sciences, Hamilton, Ontario, Canada
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25
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Panevin TS, Eliseev MS, Shestakova MV, Nasonov EL. [Advantages of therapy with sodium glucose cotransporter type 2 inhibitors in patients with type 2 diabetes mellitus in combination with hyperuricemia and gout]. TERAPEVT ARKH 2020; 92:110-118. [PMID: 32598783 DOI: 10.26442/00403660.2020.05.000633] [Citation(s) in RCA: 6] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/04/2020] [Indexed: 12/27/2022]
Abstract
Currently, only two drugs for reducing uric acid (UA), allopurinol and febuxostat, are registered in the Russian Federation, but their use does not allow to achieve the target level of UA in all cases. According to the results of numerous randomized trials, hyperuricemia and gout are associated with the corresponding components of the metabolic syndrome, including diabetes mellitus. The influence of factors is due to the need to search for new drugs that have a complex effect on several components of metabolic syndrome at once. Potentially attractive in this regard is a new group of drugs for the treatment of type 2 diabetes mellitus inhibitors of the sodium-glucose cotransporter of type 2, which, in addition to the main hypoglycemic actions, showed positive effects on the cardiovascular system, kidneys, as well as lowering UA.
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Affiliation(s)
- T S Panevin
- Nasonova Research Institute of Rheumatology.,National Medical Research Center for Endocrinology
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26
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Kutoh E, Wada A, Kuto AN, Hayashi J, Kurihara R. Link between body weight changes and metabolic parameters in drugs naïve subjects with type 2 diabetes treated with canagliflozin monotherapy. Hosp Pract (1995) 2020; 48:68-74. [PMID: 32098545 DOI: 10.1080/21548331.2020.1732098] [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] [Indexed: 01/18/2023]
Abstract
OBJECTIVES The aim of this study is to investigate the correlations between the changes of body weight and metabolic parameters during canagliflozin treatment. METHODS Drug naïve subjects with T2DM (n = 84) received canagliflozin monotherapy for 3 months. The subjects were divided into three groups with equal numbers of subjects (n = 28 each) according to the reductions of BMI levels; highest (group A), intermediate (group B), and lowest (group C) reductions. Changes of the metabolic parameters were compared between group A and group C. These two groups acted as a control of each other. RESULTS Significant reductions of BMI levels (-4.1%, p < 0.00001) were observed in group A, while, surprisingly, significant increases (+1.5%, p < 0.00001) were seen in group C. In these two groups, similar reductions of HbA1c, FBG, or HOMA-R, and increases of HOMA-B levels were observed. Significant reductions of TG levels (-18.6%) were seen only in group A. At baseline, HbA1c levels were significantly lower in group A versus group C (p < 0.03). In group A, significant correlations between the changes of BMI and those of HbA1c (R = 0.496) were seen. By contrast, in group C, significant negative correlations were observed between these parameters (R = -0.463). CONCLUSIONS These results suggest that certain populations treated with canagliflozin gained weight, though similar glycemic and beta-cell/insulin sensitivity enhancing properties were observed in comparison to those with efficient weight reductions. Those who lost more weight had better glycemic efficacy in group A. By contrast, those who gained more weight had better glycemic efficacy in group C. Distinct glucose-lowering mechanisms might be operating between these two groups. Involvement of some factors including glucagons and free fatty acids is hypothesized.
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Affiliation(s)
- Eiji Kutoh
- Division of Clinical Research, Biomedical Center , Tokyo, Japan.,Division of Endocrinology and Metabolism, Department of Internal Medicine, Gyoda General Hospital , Saitama, Japan.,Division of Diabetes and Metabolism, Department of Internal Medicine, Higashitotsuka Memorial Hospital , Yokohama, Japan
| | - Asuka Wada
- Division of Endocrinology and Metabolism, Department of Internal Medicine, Gyoda General Hospital , Saitama, Japan
| | | | - Jyunka Hayashi
- Division of Endocrinology and Metabolism, Department of Internal Medicine, Gyoda General Hospital , Saitama, Japan
| | - Rumi Kurihara
- Division of Endocrinology and Metabolism, Department of Internal Medicine, Gyoda General Hospital , Saitama, Japan
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27
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Scheen AJ. Efficacy and safety profile of SGLT2 inhibitors in patients with type 2 diabetes and chronic kidney disease. Expert Opin Drug Saf 2020; 19:243-256. [DOI: 10.1080/14740338.2020.1733967] [Citation(s) in RCA: 11] [Impact Index Per Article: 2.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/06/2023]
Affiliation(s)
- André J Scheen
- Division of Clinical Pharmacology, Center for Interdisciplinary Research on Medicines (CIRM), Liège University, Liège, Belgium
- Division of Diabetes, Nutrition and Metabolic Disorders, Department of Medicine, CHU Liège, Liège, Belgium
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Ferreira-Hermosillo A, Molina-Ayala MA, Molina-Guerrero D, Garrido-Mendoza AP, Ramírez-Rentería C, Mendoza-Zubieta V, Espinosa E, Mercado M. Efficacy of the treatment with dapagliflozin and metformin compared to metformin monotherapy for weight loss in patients with class III obesity: a randomized controlled trial. Trials 2020; 21:186. [PMID: 32059692 PMCID: PMC7023779 DOI: 10.1186/s13063-020-4121-x] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/05/2019] [Accepted: 01/30/2020] [Indexed: 01/10/2023] Open
Abstract
Background Mexico has one of the highest prevalence rates of obesity worldwide. New pharmacological strategies that focus on people with class III obesity are required. Metformin and dapagliflozin are two drugs approved for the treatment of diabetes. Beyond its effects on glucose, metformin has been suggested by some studies to result in weight loss. Therapy with dapagliflozin is associated with a mild but sustained weight loss in patients with diabetes. The primary outcome of the study is to determine if the combined treatment with dapagliflozin and metformin is more effective than monotherapy with metformin for weight loss in patients with class III obesity and prediabetes or diabetes who are awaiting bariatric surgery (including those patients who do have surgery). We also aimed to assess the effect of this combined treatment on waist circumference, triglycerides, blood pressure, and inflammatory cytokines. Methods This randomized phase IV clinical trial will include patients with diabetes or prediabetes who are between the ages of 18 and 60 years and exhibit grade III obesity (defined as body mass index ≥ 40 kg/m2). Patients using insulin will be excluded. Subjects will be randomized to one of two groups as follows: 1) metformin tablets 850 mg PO bid or 2) metformin tablets 850 mg PO bid plus dapagliflozin tablets 10 mg PO qd. The sample size required is 108 patients, which allows for a 20% dropout rate: 54 patients in the metformin group and 54 in the metformin/dapagliflozin group. All participants will receive personalized nutritional advice during the study. A run-in period of one month will be used to assess tolerance and adherence to treatment regimens. Anthropometric and biochemical variables will be recorded at baseline and at 1, 3, 6, and 12 months. A serum sample to determine glucagon, ghrelin, adiponectin, resistin, interleukin 6, and interleukin 10 will be collected at baseline and before surgery, or at 12 months (whatever happens first). Adherence to treatment and adverse and secondary events will be recorded throughout the study. An intention-to-treat analysis will be used. Discussion Forty-six percent of the patients in our Obesity Clinic have been diagnosed with prediabetes (32%) or diabetes (14%). The use of dapagliflozin in this population could improve weight loss and other cardiovascular factors. This effect could be translated into less time before undergoing bariatric surgery and better control of associated comorbidities. Trial registration Clinicaltrials.gov, ID: NCT03968224. Retrospectively registered on May 29, 2019.
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Affiliation(s)
- Aldo Ferreira-Hermosillo
- Unidad de Investigación Médica en Enfermedades Endocrinas, Hospital de Especialidades Centro Médico Nacional Siglo XXI, Instituto Mexicano del Seguro Social, Cuauhtémoc 330, Doctores, 06720, Mexico City, Mexico
| | - Mario Antonio Molina-Ayala
- Servicio de Endocrinología, Hospital de Especialidades Centro Médico Nacional Siglo XXI, Instituto Mexicano del Seguro Social, Cuauhtémoc 330, Doctores, 06720, Mexico City, Mexico
| | - Diana Molina-Guerrero
- Unidad de Investigación Médica en Enfermedades Endocrinas, Hospital de Especialidades Centro Médico Nacional Siglo XXI, Instituto Mexicano del Seguro Social, Cuauhtémoc 330, Doctores, 06720, Mexico City, Mexico
| | - Ana Pamela Garrido-Mendoza
- Unidad de Investigación Médica en Enfermedades Endocrinas, Hospital de Especialidades Centro Médico Nacional Siglo XXI, Instituto Mexicano del Seguro Social, Cuauhtémoc 330, Doctores, 06720, Mexico City, Mexico
| | - Claudia Ramírez-Rentería
- Unidad de Investigación Médica en Enfermedades Endocrinas, Hospital de Especialidades Centro Médico Nacional Siglo XXI, Instituto Mexicano del Seguro Social, Cuauhtémoc 330, Doctores, 06720, Mexico City, Mexico
| | - Victoria Mendoza-Zubieta
- Servicio de Endocrinología, Hospital de Especialidades Centro Médico Nacional Siglo XXI, Instituto Mexicano del Seguro Social, Cuauhtémoc 330, Doctores, 06720, Mexico City, Mexico
| | - Etual Espinosa
- Servicio de Endocrinología, Hospital de Especialidades Centro Médico Nacional Siglo XXI, Instituto Mexicano del Seguro Social, Cuauhtémoc 330, Doctores, 06720, Mexico City, Mexico
| | - Moisés Mercado
- Unidad de Investigación Médica en Enfermedades Endocrinas, Hospital de Especialidades Centro Médico Nacional Siglo XXI, Instituto Mexicano del Seguro Social, Cuauhtémoc 330, Doctores, 06720, Mexico City, Mexico.
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29
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Vardeny O. The Sweet Spot: Heart Failure Prevention with SGLT2 Inhibitors. Am J Med 2020; 133:182-185. [PMID: 31494110 DOI: 10.1016/j.amjmed.2019.08.013] [Citation(s) in RCA: 10] [Impact Index Per Article: 2.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 07/31/2019] [Revised: 08/14/2019] [Accepted: 08/14/2019] [Indexed: 12/21/2022]
Abstract
Sodium-glucose cotransporter 2 (SGLT2) inhibitors are a novel class of medications that reduce plasma glucose concentrations through an insulin-independent mechanism of increased urinary glucose excretion, with concomitant natriuresis and diuresis. Clinical outcomes trials with SGLT2 inhibitors revealed a cardioprotective benefit among patients with diabetes mellitus, with a consistent reduction in hospitalization for heart failure. As such, the 2018 updated US and European treatment guidelines for diabetes mellitus incorporated SGLT2 inhibitors as second-line glucose-lowering agents after metformin. Although well tolerated, there are known adverse effects with SGLT2 inhibitors that require clinical monitoring, such as genital mycotic infections, diabetic ketoacidosis, volume depletion particularly in the setting of concomitant diuretic use, and lower limb amputations with canagliflozin. Ongoing clinical trials will uncover the potential benefit of SGLT2 inhibitors in patients with prevalent heart failure with or without diabetes mellitus.
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Affiliation(s)
- Orly Vardeny
- Minneapolis VA Center for Care Delivery and Outcomes Research, Minneapolis, Minn; Associate Professor of Medicine, University of Minnesota, Minneapolis.
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30
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Abdalla MA, Deshmukh H, Atkin S, Sathyapalan T. A review of therapeutic options for managing the metabolic aspects of polycystic ovary syndrome. Ther Adv Endocrinol Metab 2020; 11:2042018820938305. [PMID: 32670541 PMCID: PMC7338645 DOI: 10.1177/2042018820938305] [Citation(s) in RCA: 49] [Impact Index Per Article: 12.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 03/29/2020] [Accepted: 06/08/2020] [Indexed: 12/12/2022] Open
Abstract
Polycystic ovary syndrome (PCOS) is a common endocrine disorder in women of reproductive age. Metabolic sequelae associated with PCOS range from insulin resistance to type 2 diabetes mellitus (T2DM) and cardiovascular disease (CVD). Insulin resistance plays a significant role in the pathophysiology of PCOS and it is a reliable marker for cardiometabolic risk. Although insulin sensitising agents such as metformin have been traditionally used for managing metabolic aspects of PCOS, their efficacy is low in terms of weight reduction and cardiovascular risk reduction compared with newer agents such as incretin mimetics and SGLT2 inhibitors. With current pharmaceutical advances, potential therapeutic options have increased, giving patients and clinicians more choices. Incretin mimetics are a promising therapy with a unique metabolic target that could be used widely in the management of PCOS. Likewise, bariatric procedures have become less invasive and result in effective weight loss and the reversal of metabolic morbidities in some patients. Therefore, surgical treatment targeting weight loss becomes increasingly common in the management of obese women with PCOS. Newer emerging therapies, including twincretins, triple GLP-1 agonists, glucagon receptor antagonists and imeglemin, are promising therapeutic options for treating T2DM. Given the similarity of metabolic and pathological features between PCOS and T2DM and the variety of therapeutic options, there is the potential to widen our strategy for treating metabolic disorders in PCOS in parallel with current therapeutic advances. The review was conducted in line with the recommendations from the international evidence-based guideline for the assessment and management of polycystic ovary syndrome 2018.
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Affiliation(s)
- Mohammed Altigani Abdalla
- Department of Academic Diabetes, Endocrinology
and Metabolism, Hull York Medical School, University of Hull, Hull, UK
| | - Harshal Deshmukh
- Department of Academic Diabetes, Endocrinology
and Metabolism, Hull York Medical School, University of Hull, Hull, UK
| | - Stephen Atkin
- School of Postgraduate Studies and Research,
RCSI Medical University of Bahrain, Kingdom of Bahrain
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Abstract
Dapagliflozin (Forxiga®) is a highly potent, reversible and selective sodium-glucose cotransporter-2 inhibitor indicated worldwide for the treatment of type 2 diabetes (T2D). In the EU, oral dapagliflozin once daily is approved for use as monotherapy (in patients who are intolerant of metformin) and as add-on combination therapy (with other glucose-lowering agents, including insulin) for T2D when diet and exercise alone do not provide adequate glycaemic control. In numerous well-designed clinical studies and their extensions, dapagliflozin as monotherapy and combination therapy with other antihyperglycaemic agents provided effective glycaemic control and reduced bodyweight and blood pressure (BP) across a broad spectrum of patients. Dapagliflozin reduced the rate of cardiovascular (CV) death or hospitalization for heart failure (HHF), did not adversely affect major adverse CV events (MACE) and possibly reduced progression of renal disease relative to placebo in patients with established atherosclerotic CV disease (CVD) or multiple risk factors for CVD. Dapagliflozin was generally well tolerated, with a low risk of hypoglycaemia; diabetic ketoacidosis (DKA), although rare, and genital infections were more common with dapagliflozin than placebo. Given its antihyperglycaemic, cardioprotective and possibly renoprotective properties and generally favourable tolerability profile, dapagliflozin provides an important option for the management of a broad patient population, regardless of the history of CVD.
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Affiliation(s)
- Sohita Dhillon
- Springer Nature, Private Bag 65901, Mairangi Bay, Auckland, 0754, New Zealand.
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Vascular Inflammation and Oxidative Stress: Major Triggers for Cardiovascular Disease. OXIDATIVE MEDICINE AND CELLULAR LONGEVITY 2019; 2019:7092151. [PMID: 31341533 PMCID: PMC6612399 DOI: 10.1155/2019/7092151] [Citation(s) in RCA: 366] [Impact Index Per Article: 73.2] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 01/31/2019] [Accepted: 05/20/2019] [Indexed: 02/08/2023]
Abstract
Cardiovascular disease is a leading cause of death and reduced quality of life, proven by the latest data of the Global Burden of Disease Study, and is only gaining in prevalence worldwide. Clinical trials have identified chronic inflammatory disorders as cardiovascular risks, and recent research has revealed a contribution by various inflammatory cells to vascular oxidative stress. Atherosclerosis and cardiovascular disease are closely associated with inflammation, probably due to the close interaction of inflammation with oxidative stress. Classical therapies for inflammatory disorders have demonstrated protective effects in various models of cardiovascular disease; especially established drugs with pleiotropic immunomodulatory properties have proven beneficial cardiovascular effects; normalization of oxidative stress seems to be a common feature of these therapies. The close link between inflammation and redox balance was also supported by reports on aggravated inflammatory phenotype in the absence of antioxidant defense proteins (e.g., superoxide dismutases, heme oxygenase-1, and glutathione peroxidases) or overexpression of reactive oxygen species producing enzymes (e.g., NADPH oxidases). The value of immunomodulation for the treatment of cardiovascular disease was recently supported by large-scale clinical trials demonstrating reduced cardiovascular mortality in patients with established atherosclerotic disease when treated by highly specific anti-inflammatory therapies (e.g., using monoclonal antibodies against cytokines). Modern antidiabetic cardiovascular drugs (e.g., SGLT2 inhibitors, DPP-4 inhibitors, and GLP-1 analogs) seem to share these immunomodulatory properties and display potent antioxidant effects, all of which may explain their successful lowering of cardiovascular risk.
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Abstract
INTRODUCTION Sodium-glucose cotransporter type 2 inhibitors (SGLT2is) are recommended after metformin for a large spectrum of patients with type 2 diabetes, because of a favorable benefit/risk profile despite a variety of adverse events. AREAS COVERED This narrative review discusses the safety profile of SGLT2is: initial concerns (cardiovascular safety, acute renal failure, hypoglycemia, urinary and genital infections, volume depletion, bladder cancer), further concerns (euglycemic ketoacidosis, bone fractures) and more recent concerns (lower limb amputation, Fournier's gangrene). EXPERT OPINION Overall, the safety profile of SGLT2is is good. The only increased adverse event that was consistently reported in clinical trials and observational studies is genital mycotic infections, with only a borderline increase in urinary tract infections. Among clinical trials, only the CANVAS program reported an unexpected increase in bone fractures and peripheral amputations. A variety of rare adverse events have been described as case reports, including ketoacidosis, amputations and Fournier gangrene, which led to specific warnings by regulatory agencies. Identifying predisposing patient's characteristics and/or precipitating clinical conditions would help prevent the most severe complications. These adverse events should not mask the overall cardiovascular and renal benefit of SGLT2is, especially in patients with type 2 diabetes at high cardiovascular risk.
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Affiliation(s)
- André J Scheen
- a Division of Clinical Pharmacology , Center for Interdisciplinary Research on Medicines (CIRM), Liège University , Liège , Belgium.,b Division of Diabetes, Nutrition and Metabolic Disorders, Department of Medicine , CHU Liège , Liège , Belgium
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Abstract
Canagliflozin (Invokana®) is a sodium-glucose co-transporter-2 (SGLT2) inhibitor indicated in various countries worldwide for the once-daily oral treatment of type 2 diabetes (T2D). Canagliflozin lowers blood glucose levels independently of insulin, with the inhibition of SGLT2 reducing renal reabsorption of glucose and increasing excretion of glucose in the urine. In well-designed clinical trials, canagliflozin (as first-line monotherapy or add-on therapy to other antihyperglycaemic agents) improved glycaemic control in adults with T2D, including those of older age and/or at high cardiovascular (CV) risk, and also had beneficial effects on their bodyweight and blood pressure (BP). CV risk reduction, as well as possible renal benefits, were also seen with canagliflozin in T2D patients at high CV risk in the CANVAS Program, an integrated analysis of two large CV outcomes studies. Canagliflozin was generally well tolerated, had a low risk of hypoglycaemia and was most commonly associated with adverse events such as genital and urinary tract infections and increased urination, consistent with its mechanism of action. Although the amputation and fracture risk observed among recipients of the drug require further investigation, canagliflozin is an important option for T2D management in adults.
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Affiliation(s)
- Emma D Deeks
- Springer, Private Bag 65901, Mairangi Bay, 0754, Auckland, New Zealand.
| | - André J Scheen
- Division of Diabetes, Nutrition and Metabolic Disorders, Department of Medicine, CHU Liège, University of Liège, Liège, Belgium.,Division of Clinical Pharmacology, Center for Interdisciplinary Research on Medicines, University of Liège, Liège, Belgium
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Powell J, Garland SG. Ertugliflozin: A New Option in the SGLT-2 Inhibitor Market for the Treatment of Type 2 Diabetes Mellitus. Ann Pharmacother 2018; 53:478-485. [PMID: 30522346 DOI: 10.1177/1060028018818829] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/26/2023] Open
Abstract
OBJECTIVE The purpose of this article is to review the pharmacological aspects of ertugliflozin and its clinical trials, which led to Food and Drug Administration (FDA) approval for the treatment of type 2 diabetes mellitus (T2DM). DATA SOURCES A MEDLINE/PubMed (May 2013 to October 2018) search was conducted using the following keywords: ertugliflozin, sodium glucose co-transporter 2 inhibitor, SGLT2 inhibitor, type 2 diabetes mellitus, hyperglycemia. Study Selection and Data Extraction Quantify: We included English-language articles evaluating ertugliflozin pharmacology, pharmacokinetics, efficacy, and safety in humans for blood glucose reduction in human subjects. DATA SYNTHESIS Ertugliflozin has been FDA approved and considered both safe and efficacious for the treatment of T2DM with hemoglobin A1C reductions ranging from -0.6% to -1.16%. Safety outcomes appear to be similar to that of other SGLT2 inhibitors. Relevance to Patient Care and Clinical Practice: With this approval, patients and clinicians now have another oral option for treating this difficult disease while minimizing hypoglycemia and other unwanted adverse drug reactions. CONCLUSIONS With the number of patients with diabetes growing, additional safe and effective treatment options available for clinicians and patients is important. Ertugliflozin appears to be an effective and safe therapy as both single and add-on therapy.
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Affiliation(s)
- Jason Powell
- 1 University of Florida Colleges of Pharmacy and Medicine, Gainesville, FL, USA
| | - Scott G Garland
- 1 University of Florida Colleges of Pharmacy and Medicine, Gainesville, FL, USA
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Thewjitcharoen Y, Wanothayaroj E, Tammawiwat C, Malidaeng A, Yenseung N, Nakasatien S, Krittiyawong S, Himathongkam T. A single center retrospective analysis of SGLT2i-associated diabetic ketoacidosis in Bangkok: The role of point-of-care blood ketone testing. JOURNAL OF CLINICAL AND TRANSLATIONAL ENDOCRINOLOGY CASE REPORTS 2018. [DOI: 10.1016/j.jecr.2018.08.001] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.2] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/28/2022] Open
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SGLT2 inhibition and glucagon secretion in humans. DIABETES & METABOLISM 2018; 44:383-385. [DOI: 10.1016/j.diabet.2018.06.005] [Citation(s) in RCA: 21] [Impact Index Per Article: 3.5] [Reference Citation Analysis] [Track Full Text] [Subscribe] [Scholar Register] [Received: 01/16/2018] [Revised: 04/12/2018] [Accepted: 06/22/2018] [Indexed: 01/09/2023]
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Kutoh E, Wada A, Murayama T, Hayashi J. Two Glucose-Lowering Mechanisms of Canagliflozin Depending on Body Weight Changes in Drug-Naïve Subjects with Type 2 Diabetes. Drugs R D 2018; 18:309-315. [PMID: 30324549 PMCID: PMC6277318 DOI: 10.1007/s40268-018-0250-z] [Citation(s) in RCA: 4] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/14/2023] Open
Abstract
Objectives The aim of this study was to investigate the relations between the changes in body weight and those of glycemic and non-glycemic parameters in drug-naïve subjects with type 2 diabetes mellitus (T2DM) treated with canagliflozin monotherapy. Methods Subjects received 50–100 mg/day canagliflozin monotherapy for 3 months (n = 36), and were then divided into two groups: (1) those who lost weight [changes in (Δ)BMI ≤ − 0.45, p < 0.00001: Group L(ost), n = 20); and (2) those who did not lose weight [ΔBMI > − 0.45, p = non-significant: Group N(eutral), n = 16]. At 3 months, the levels of glycemic and non-glycemic parameters were compared with those at baseline. Results Significant reductions of BMI levels (− 2.1%, p < 0.00001) were observed for the overall subjects. At baseline, fasting blood glucose (FBG) and HbA1c levels were significantly higher, and homeostasis model assessment-B (HOMA-B) levels were significantly lower in Group N versus Group L. Similar reductions of HbA1c (Group L: 9.54 ± 2.58% to 7.54 ± 1.27%, p < 0.05; Group N: 11.23 ± 2.27% to 9.19 ± 1.64%, p < 0.0002) and homeostasis model assessment-R (HOMA-R; Group L: − 32.3%, p < 0.005; Group N: − 36.5%, p < 0.02) levels were seen in these two groups. However, other parameters showed distinct regulatory patterns. (1) Group L: significant reductions in uric acid (UA) levels (− 6.9%, p < 0.02) were observed. Significant correlations between the changes in FBG and HOMA-R (R = 0.458, p < 0.05) were seen. (2) Group N: significant increases in HOMA-B (+ 69.4%, p < 0.007) and reductions in free fatty acid (FFA; − 25.8%, p < 0.02) levels were observed. Significant negative or positive correlations between the changes in (Δ)FBG and ΔHOMA-B (R = − 0.557, p < 0.03), and between ΔFBG and ΔHOMA-R (R = 0.458, p < 0.05) were seen. Conclusions These results indicate that (1) body weight changes with canagliflozin were not associated with its glycemic efficacy; and (2) distinct glucose-lowering pathways may exist with canagliflozin, reducing insulin resistance in those who lose weight and enhancing β-cell function, as well as reducing insulin resistance, possibly via the decreased FFA levels, in those who do not lose weight.
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Affiliation(s)
- Eiji Kutoh
- Department of Clinical Research, Biomedical Center, Tokyo, Japan.
- Division of Diabetes and Endocrinology, Department of Internal Medicine, Gyoda General Hospital, Saitama, Japan.
- Division of Diabetes and Metabolism, Department of Internal Medicine, Higashitotsuka Memorial Hospital, Yokohama, Japan.
| | - Asuka Wada
- Division of Diabetes and Endocrinology, Department of Internal Medicine, Gyoda General Hospital, Saitama, Japan
| | - Teruma Murayama
- Department of Clinical Research, Biomedical Center, Tokyo, Japan
| | - Jyunka Hayashi
- Division of Diabetes and Endocrinology, Department of Internal Medicine, Gyoda General Hospital, Saitama, Japan
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Replacement Effects and Budget Impacts of Insurance Coverage for Sodium-Glucose Co-Transporter-2 Inhibitors on Oral Antidiabetic Drug Utilization. Clin Drug Investig 2018; 38:1125-1133. [DOI: 10.1007/s40261-018-0689-2] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/25/2022]
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Derosa G, Maffioli P. Ertugliflozin: a sodium-glucose cotransporter-2 (SGLT-2) inhibitor for glycemic control in type 2 diabetes. Ther Clin Risk Manag 2018; 14:1637-1640. [PMID: 30237717 PMCID: PMC6136402 DOI: 10.2147/tcrm.s137068] [Citation(s) in RCA: 8] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/23/2022] Open
Abstract
Recently, a new class of anti-diabetic drugs has found its way into the market: sodium-glucose cotransporters (SGLT) inhibitors. Two major SGLT isoforms have been identified: SGLT-2, mainly expressed in proximal renal tubules, and SGLT-1, mainly expressed in the small intestine, the proximal renal tubule, and the myocardium. SGLT-2 inhibitors increase urinary glucose excretion, lowering glycemia without inducing excessive insulin secretion. Marketed SGLT-2 inhibitors actually include dapagliflozin, canagliflozin, and empagliflozin; a new SGLT-2 inhibitor is being studied: ertugliflozin. Ertugliflozin is a potent inhibitor of SGLT-2 and possesses a high selectivity over glucose transport via SGLT-1 and several other glucose transporters GLUT-1–4. Ertugliflozin inhibits renal glucose reabsorption resulting in urinary glucose excretion and thereby reduces plasma glucose and glycated hemoglobin in subjects with type 2 diabetes mellitus. Ertugliflozin is being developed as an adjunct to diet and exercise to improve glycemic control in patients with type 2 diabetes mellitus. The aim of this review is to evaluate the preliminary published data about this new molecule.
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Affiliation(s)
- Giuseppe Derosa
- Centre of Diabetes and Metabolic Diseases, Department of Internal Medicine and Therapeutics, University of Pavia and Fondazione IRCCS Policlinico San Matteo, Pavia, Italy, .,Centre for Prevention, Surveillance, Diagnosis and Treatment of Rare Diseases, Fondazione IRCCS Policlinico San Matteo, Pavia, .,Laboratory of Molecular Medicine, University of Pavia, Pavia, Italy,
| | - Pamela Maffioli
- Centre of Diabetes and Metabolic Diseases, Department of Internal Medicine and Therapeutics, University of Pavia and Fondazione IRCCS Policlinico San Matteo, Pavia, Italy,
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Li D, Shi W, Wang T, Tang H. SGLT2 inhibitor plus DPP-4 inhibitor as combination therapy for type 2 diabetes: A systematic review and meta-analysis. Diabetes Obes Metab 2018; 20:1972-1976. [PMID: 29573110 DOI: 10.1111/dom.13294] [Citation(s) in RCA: 21] [Impact Index Per Article: 3.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 01/18/2018] [Revised: 03/10/2018] [Accepted: 03/15/2018] [Indexed: 01/11/2023]
Abstract
To assess the efficacy and safety of sodium-glucose co-transporter 2 (SGLT2) inhibitors plus a dipeptidyl peptidase-4 (DPP-4) inhibitor in patients with type 2 diabetes mellitus (T2DM), we performed a systematic review and meta-analysis of 14 randomized controlled trials (RCTs) involving 4828 patients. Compared with a DPP-4 inhibitor, SGLT2 inhibitor/DPP-4 inhibitor combination therapy was significantly associated with a decrease in glycaemic control (HbA1c, -0.71%; fasting plasma glucose [FPG], -25.62 mg/dL; postprandial plasma glucose, -44.00 mg/dL), body weight (-2.05 kg) and systolic blood pressure (-5.90 mm Hg), but an increase in total cholesterol (TC) of 3.24%, high-density lipoprotein of 6.15% and low-density lipoprotein of 2.55%. Adding a DPP-4 inhibitor to an SGLT2 inhibitor could reduce HbA1c by -0.31%, FPG by -8.94 mg/dL, TC by -1.48% and triglycerides by -3.25%. Interestingly, low doses of an SGLT2 inhibitor in the combination has similar or even better efficacy in some aspects than high doses. Similar adverse events were observed for the combination therapy, with the exception of genital infection vs DPP-4 inhibitor (risk ratio [RR], 5.31) and consistent genital infection vs an SGLT2 inhibitor (RR, 0.61). Further studies are warranted to confirm these results.
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Affiliation(s)
- Dandan Li
- Department of Pharmacy, Beijing Friendship Hospital, Capital Medical University, Beijing, China
| | - Weilong Shi
- Department of Pharmacy, Peking University Third Hospital, Beijing, China
| | - Tiansheng Wang
- Department of Epidemiology, Gillings School of Global Public Health, University of North Carolina at Chapel Hill, Chapel Hill, North Carolina
| | - Huilin Tang
- Department of Epidemiology, Richard M. Fairbanks School of Public Health, Indiana University, Indianapolis, Indiana
- Institute for Drug Evaluation, Peking University Health Science Center, Beijing, China
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Abstract
Cardiovascular disease (CVD) is a major challenge in the management of type 2 diabetes mellitus. Glucose-lowering agents that reduce the risk of major cardiovascular events would be considered a major advance, as recently reported with liraglutide and semaglutide, 2 glucagon-like peptide-1 receptor agonists, and with empagliflozin and canagliflozin, 2 SGLT-2 (sodium-glucose cotransporter type 2) inhibitors, but not with DPP-4 (dipeptidyl peptidase-4) inhibitors. The present review is devoted to CV effects of new oral glucose-lowering agents. DPP-4 inhibitors (gliptins) showed some positive cardiac and vascular effects in preliminary studies, and initial data from phase 2 to 3 clinical trials suggested a reduction in major cardiovascular events. However, subsequent CV outcome trials with alogliptin, saxagliptin, and sitagliptin showed noninferiority but failed to demonstrate any superiority compared with placebo in patients with type 2 diabetes mellitus and high CV risk. An unexpected higher risk of hospitalization for heart failure was reported with saxagliptin. SGLT-2 inhibitors (gliflozins) promote glucosuria, thus reducing glucose toxicity and body weight, and enhance natriuresis, thus lowering blood pressure. Two CV outcome trials in type 2 diabetes mellitus patients mainly in secondary prevention showed remarkable positive results. Empagliflozin in EMPA-REG-OUTCOME (EMPAgliflozin Cardiovascular OUTCOME Events in Type 2 Diabetes Mellitus Patients) reduced major cardiovascular events, CV mortality, all-cause mortality, and hospitalization for heart failure. In CANVAS (Canagliflozin Cardiovascular Assessment Study), the reduction in CV mortality with canagliflozin failed to reach statistical significance despite a similar reduction in major cardiovascular events. The underlying protective mechanisms of SGLT-2 inhibitors remain unknown and both hemodynamic and metabolic explanations have been proposed. CVD-REAL studies (Comparative Effectiveness of Cardiovascular Outcomes in New Users of Sodium-Glucose Cotransporter-2 Inhibitors; with the limitation of an observational approach) suggested that these favorable results may be considered as a class effect shared by all SGLT-2 inhibitors (including dapagliflozin) and be extrapolated to a larger population of patients with type 2 diabetes mellitus in primary prevention. Ongoing CV outcome trials with other DPP-4 (linagliptin) and SGLT-2 (dapagliflozin, ertugliflozin) inhibitors should provide additional information about CV effects of both pharmacological classes.
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Affiliation(s)
- André J Scheen
- From the Division of Diabetes, Nutrition and Metabolic Disorders, Department of Medicine, CHU Liège, Belgium (A.J.S.)
- Division of Clinical Pharmacology, Center for Interdisciplinary Research on Medicines (CIRM), University of Liège, Belgium (A.J.S.)
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Scheen AJ. Pharmacokinetic Characteristics and Clinical Efficacy of an SGLT2 Inhibitor Plus DPP-4 Inhibitor Combination Therapy in Type 2 Diabetes. Clin Pharmacokinet 2018; 56:703-718. [PMID: 28039605 DOI: 10.1007/s40262-016-0498-9] [Citation(s) in RCA: 30] [Impact Index Per Article: 5.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/08/2023]
Abstract
Type 2 diabetes (T2D) generally requires a combination of several pharmacological approaches to control hyperglycaemia. Combining a sodium-glucose cotransporter type 2 inhibitor (SGLT2I, also known as gliflozin) and a dipeptidyl peptidase-4 inhibitor (DPP-4I, also known as gliptin) appears to be an attractive strategy because of complementary modes of action. This narrative review analyzes the pharmacokinetics and clinical efficacy of different combined therapies with an SGLT2I (canagliflozin, dapagliflozin, empagliflozin, ertugliflozin, ipragliflozin, luseogliflozin, tofogliflozin) and DPP-4I (linagliptin, saxagliptin, sitagliptin, teneligliptin). Drug-drug pharmacokinetic interaction studies do not show any significant changes in peak concentrations (C max) and total exposure (area under the curve of plasma concentrations [AUC]) of either drug when they were administered together orally compared with corresponding values when each of them was absorbed alone. Two fixed-dose combinations (FDCs) are already available (dapagliflozin-saxagliptin, empagliflozin-linagliptin) and others are in development (ertugliflozin-sitagliptin). Preliminary results show bioequivalence of the two medications administered as FDC tablets when compared with coadministration of the individual tablets. Dual therapy is more potent than either monotherapy in patients treated with diet and exercise or already treated with metformin. SGLT2I and DPP-4I could be used as initial combination or in a stepwise approach. The additional glucose-lowering effect appears to be more marked when a gliflozin is added to a gliptin than when a gliptin is added to a gliflozin. Combining the two pharmacological options is safe and does not induce hypoglycaemia.
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Affiliation(s)
- André J Scheen
- Division of Diabetes, Nutrition and Metabolic Disorders, Department of Medicine, CHU Liège, CHU Sart Tilman (B35), 4000, Liège 1, Belgium. .,Division of Clinical Pharmacology, Center for Interdisciplinary Research on Medicines (CIRM), University of Liège, Liège, Belgium.
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Kutoh E, Wada A, Murayama T, Hayashi J. Characterization of Metabolic Parameters in Responders and Nonresponders Treated with Canagliflozin Monotherapy in Drug-naive Subjects with Type 2 Diabetes. Indian J Endocrinol Metab 2018; 22:185-190. [PMID: 29911028 PMCID: PMC5972471 DOI: 10.4103/ijem.ijem_578_17] [Citation(s) in RCA: 4] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 12/25/2022] Open
Abstract
OBJECTIVES The aim of this project is to compare the effect of canagliflozin monotherapy on metabolic parameters between responders and nonresponders with this drug. This study is a prospective, unblinded, observational study. SUBJECTS AND METHODS Drug-naïve patients with type 2 diabetes mellitus received only 50-100 mg/day canagliflozin for 3 months (n = 39). They were divided into two groups according to the novel "A1c index" to assess glycemic efficacies; responders (n = 24) and nonresponders (n = 15). RESULTS At baseline, glycated hemoglobin (HbA1c) and fasting blood glucose (FBG) were significantly higher and homeostatic model assessment (HOMA)-B and body mass index (BMI) were significantly lower in responders. In both groups, similar, significant reductions of BMI (-1.9% with responder and -1.8% with nonresponder) and HOMA-R (-35.8% for responder and -31.5% for nonresponder) were observed. However, differences were seen with other parameters as follows: 1) responders: significant reductions of HbA1c (10.95%-8.44%), FBG (-29.6%) or free fatty acid (FFA) (-16.2%), and significant increases of HOMA-B (79.7%) were observed. 2) Nonresponders: significant reductions of serum uric acid (UA) (-8.6%) levels were seen. Significant correlations were observed between the baseline levels of serum UA and those of HOMA-B (R = 0.7259). However, this link became uncorrelated with the treatment with canagliflozin. CONCLUSIONS These results suggest that (1) responders with canagliflozin have lower BMI and beta-cell function. Reductions of body weight with canagliflozin were not associated with its glycemic efficacy, (2) reduced FFA levels and enhanced insulin sensitivity/beta-cell function could be a potential mechanism of good glycemic efficacy of canagliflozin, and (3) serum UA might be involved in modulating beta-cell function during canagliflozin treatment.
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Affiliation(s)
- Eiji Kutoh
- Division of Clinical Research, Biomedical Center, Tokyo, Japan
- Department of Internal Medicine, Division of Endocrinology and Metabolism, Gyoda General Hospital, Saitama, Japan
- Department of Internal Medicine, Division of Diabetes and Metabolism, Higashitotsuka Memorial Hospital, Yokohama, Japan
| | - Asuka Wada
- Department of Internal Medicine, Division of Endocrinology and Metabolism, Gyoda General Hospital, Saitama, Japan
| | - Teruma Murayama
- Division of Clinical Research, Biomedical Center, Tokyo, Japan
| | - Jyunka Hayashi
- Department of Internal Medicine, Division of Endocrinology and Metabolism, Gyoda General Hospital, Saitama, Japan
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Kutoh E, Wada A, Murayama T, Takizawa Y. Canagliflozin as an Initial Therapy in Drug-Naïve Subjects with Type 2 Diabetes Mellitus: A Potential Involvement of Atherogenic Lipids in its Glycemic Efficacy. Drugs R D 2018; 17:313-320. [PMID: 28285448 PMCID: PMC5427050 DOI: 10.1007/s40268-017-0179-7] [Citation(s) in RCA: 7] [Impact Index Per Article: 1.2] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/16/2023] Open
Abstract
Background and Objectives The aim of this study is to investigate canagliflozin as an initial therapy in type 2 diabetes mellitus and to explore the effects on metabolic parameters in relation to effects on glycemic control. Subjects and Methods Treatment-naïve subjects with type 2 diabetes mellitus received canagliflozin 50–100 mg/day monotherapy. At 3 months, levels of glycemic and non-glycemic parameters were compared with those at baseline (n = 39). As a comparator, our previous data of baseline glycosylated hemoglobin (HbA1c)-matched treatment-naïve subjects with ipragliflozin 25–50 mg monotherapy (n = 27) were employed. Results Significant reductions in HbA1c (from 9.96 to 8.33%), fasting blood glucose (−23.9%), homeostasis model assessment-R (HOMA-R, −33.5%), body mass index (−1.8%), and uric acid (UA, −5.2%) levels and significant increases in homeostasis model assessment-B (HOMA-B, 30.1%) levels were observed. Approximately one third of the subjects experienced certain adverse events. Similar results were obtained with ipragliflozin. Baseline levels of HbA1c, triglycerides, non-high-density lipoprotein-cholesterol (HDL-C), and low-density lipoprotein-cholesterol (LDL-C) were chosen as significant contributing factors for the changes in HbA1c levels with canagliflzoin, while only baseline HbA1c levels were selected as such a factor with ipragliflozin. Significant positive correlations between the changes in HbA1c and changes in non-HDL-C (R = 0.3954) or between changes in HbA1c and changes in LDL-C (R = 0.4317) were observed with canagliflozin. With ipragliflozin, no such correlations were noted. No correlations between the changes in HbA1c and changes in body mass index were seen with both drugs. Conclusions These results suggest that (1) canagliflozin appears to offer clinically beneficial outcomes as an initial therapy in subjects with type 2 diabetes mellitus, although with certain adverse events. (2) Atherogenic cholesterols including non-HDL-C and LDL-C could be involved in the glycemic efficacy of canagliflozin. This was not the case with ipragliflozin. (3) Unexpectedly, weight reductions with canagliflozin are not associated with its glycemic efficacy.
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Affiliation(s)
- Eiji Kutoh
- Division of Clinical Research, Biomedical Center, 1-5-8-613 Komatsugawa, Edogawa-ku, Tokyo, 132-0034, Japan.
- Division of Diabetes and Endocrinology, Department of Internal Medicine, Gyoda General Hospital, Saitama, Japan.
- Division of Diabetes and Metabolism, Department of Internal Medicine, Higashitotsuka Memorial Hospital, Yokohama, Japan.
| | - Asuka Wada
- Division of Diabetes and Endocrinology, Department of Internal Medicine, Gyoda General Hospital, Saitama, Japan
| | - Teruma Murayama
- Division of Clinical Research, Biomedical Center, 1-5-8-613 Komatsugawa, Edogawa-ku, Tokyo, 132-0034, Japan
| | - Yui Takizawa
- Division of Diabetes and Endocrinology, Department of Internal Medicine, Gyoda General Hospital, Saitama, Japan
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Abstract
BACKGROUND Sodium-glucose co-transporter 2 inhibitors have been shown to reduce body weight. However, little is known about whether a reduction in body weight affects glycemic and non-glycemic parameters. OBJECTIVES The aim of this study was to investigate the link between the changes in body weight and those in metabolic parameters in drug-naïve subjects with type 2 diabetes mellitus (T2DM) receiving ipragliflozin monotherapy. METHODS Subjects received ipragliflozin monotherapy 25-50 mg/day for 3 months (n = 33). They were then divided into two groups: group L ('lost'; n = 17) comprised patients who lost weight (change [Δ] in body mass index [BMI] ≤ -0.75, p < 0.00001), and group N ('neutral'; n = 16) comprised patients who did not lose weight (ΔBMI > -0.75, not significant [NS]). RESULTS In these two groups, similar reductions were observed in glycated hemoglobin (HbA1c) levels (group L: 9.76-8.02%, p < 0.00001; group N: 10.07-8.36%, p < 0.0005). Homeostasis model assessment (HOMA)-B levels increased in both groups, with inter-group differences (p < 0.05; +38.91 vs. +96.83% in group L and N, respectively). However, some parameters showed distinct regulatory patterns. For instance, in group L, reductions were observed in HOMA-R (-20.18%, p < 0.04) and uric acid (UA; -8.91%, p < 0.02) levels. Correlations were seen between the change in HOMA-R and those in fasting blood glucose (FBG) levels (R = 0.557, p < 0.02). Non-significant increases in free fatty acid (FFA) levels and decreases in non-high-density lipoprotein cholesterol (non-HDL-C) or low-density lipoprotein cholesterol (LDL-C) levels were also noted. In group N, reductions in FFA levels (-17.07%, p < 0.05) were observed, and negative correlations were seen between ΔHOMA-B and ΔFBG (R = -0.4781, p < 0.05) and between Δ FFA and Δ HOMA-B levels (R = -0.4305, p < 0.05). Non-significant increases in non-HDL-C and LDL-C levels were also noted. Inter-group differences existed between group L and group N in the changes in non-HDL-C and LDL-C levels (both p < 0.05). CONCLUSIONS These results indicate that ipragliflozin may possess distinct dual glucose-lowering mechanisms depending on body weight changes. Degrees of insulin resistance decrease in subjects who lose weight. Conversely, ipragliflozin reduces lipotoxicity (FFA levels), thereby activating beta-cell function, in subjects who do not lose weight. Similar glycemic efficacies were observed in both cases. In patients who lost weight, ipragliflozin was associated with improvements in the levels of metabolic parameters related to cardiovascular risk factors, including UA and atherogenic lipid levels (non-HDL-C and LDL-C) compared with those who did not lose weight.
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Rizos CV, Filippatos TD, Elisaf MS. Pharmacokinetic drug evaluation of empagliflozin plus linagliptin for the treatment of type 2 diabetes. Expert Opin Drug Metab Toxicol 2017; 14:117-125. [PMID: 29241374 DOI: 10.1080/17425255.2018.1418325] [Citation(s) in RCA: 4] [Impact Index Per Article: 0.6] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/06/2023]
Abstract
INTRODUCTION Type 2 diabetes mellitus has become a growing epidemic and therefore efficient treatment strategies that target its management are needed. The treatment of diabetic patients often requires the combination of antidiabetic drug classes. Sodium-glucose co-transporter 2 inhibitors (SGLT2i) block glucose reabsorption in the proximal renal tubules. Dipeptidyl peptidase-4 inhibitors (DPP-4i) improve glucose metabolism by blocking the enzyme that degrades incretins leading to increased insulin secretion. Areas covered: The aim of the review is to present the available data on pharmacokinetic properties/pharmacodynamics, metabolic and cardiovascular effects of empagliflozin plus linagliptin combination. Expert opinion: Both empagliflozin and linagliptin have established safety and efficacy in the treatment of diabetes. Available data demonstrate the absence of pharmacological interactions when the two drugs are given together. The complementary mechanisms of action would be expected to provide additive benefits on carbohydrate metabolism variables, but the results from clinical trials have shown that the empagliflozin/linagliptin combination provides only mild improvements of glycated hemoglobin compared with either monotherapy. However, the single-tablet formulation of empagliflozin/linagliptin is expected to provide better compliance and thus improved glycaemic control coupled with a favourable safety profile. Thus, the fixed-dose combination of empagliflozin/linagliptin has the capacity to both effectively and safely manage diabetic patients.
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Affiliation(s)
- Christos V Rizos
- a Department of Internal Medicine, School of Medicine , University of Ioannina , Ioannina , Greece
| | - Theodosios D Filippatos
- a Department of Internal Medicine, School of Medicine , University of Ioannina , Ioannina , Greece
| | - Moses S Elisaf
- a Department of Internal Medicine, School of Medicine , University of Ioannina , Ioannina , Greece
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Renal outcomes with dipeptidyl peptidase-4 inhibitors. DIABETES & METABOLISM 2017; 44:101-111. [PMID: 29146035 DOI: 10.1016/j.diabet.2017.07.011] [Citation(s) in RCA: 18] [Impact Index Per Article: 2.6] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Received: 04/13/2017] [Revised: 07/11/2017] [Accepted: 07/14/2017] [Indexed: 02/06/2023]
Abstract
Dipeptidyl peptidase-4 inhibitors (DPP-4is) are increasingly being used in the management of type 2 diabetes (T2D). The present review summarizes the current knowledge of the effects of DPP-4is on renal outcomes by analyzing the experimental preclinical data, the effects of DPP-4is on urinary albumin-creatinine ratios (UACRs) and estimated glomerular filtration rates (eGFRs) from observational studies and clinical trials, and renal events (including kidney failure requiring renal replacement therapy) in recent large prospective cardiovascular outcome trials. Renal protection has been demonstrated in various animal models that have implicated different underlying mechanisms independent of glucose control, whereas prevention of new onset microalbuminuria and/or progression of albuminuria has been reported in some clinical studies, but with no significant effects on eGFR in most of them. The long-term clinical effects of DPP-4is on renal outcomes and the development of end-stage renal disease remain largely unknown and, thus, demand further investigations in prospective trials and long-term observational studies. In conclusion, despite promising results in animal models, data on surrogate biological markers of renal function and clinical renal outcomes remain rather scanty in patients with T2D, and mostly demonstrate the safety rather than true efficacy of DPP-4is.
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Cinti F, Moffa S, Impronta F, Cefalo CMA, Sun VA, Sorice GP, Mezza T, Giaccari A. Spotlight on ertugliflozin and its potential in the treatment of type 2 diabetes: evidence to date. Drug Des Devel Ther 2017; 11:2905-2919. [PMID: 29042751 PMCID: PMC5633300 DOI: 10.2147/dddt.s114932] [Citation(s) in RCA: 53] [Impact Index Per Article: 7.6] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/10/2023] Open
Abstract
Sodium-glucose cotransporter 2 (SGLT2) inhibitors are the latest therapeutic strategy in the treatment of type 2 diabetes mellitus (T2DM). Using an insulin-independent mechanism (glycosuria), they reduce glucose toxicity and improve insulin sensitivity and β-cell function. The promising results obtained in clinical trials show that SGLT2 significantly improves glycemic control and provides greater cardiovascular protection, combined with a reduction in body weight and blood pressure (BP). This review focuses on ertugliflozin, a new, highly selective, and reversible SGLT2 inhibitor. Clinical trials published to date show that ertugliflozin, both as a monotherapy and as an add-on to oral antidiabetic agents, is safe and effective in reducing glycosylated hemoglobin (HbA1c), body weight, and BP in T2DM patients.
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Affiliation(s)
- Francesca Cinti
- Center for Endocrine and Metabolic Diseases, Fondazione Policlinico Universitario A Gemelli, Università Cattolica del Sacro Cuore, Rome, Italy
| | - Simona Moffa
- Center for Endocrine and Metabolic Diseases, Fondazione Policlinico Universitario A Gemelli, Università Cattolica del Sacro Cuore, Rome, Italy
| | - Flavia Impronta
- Center for Endocrine and Metabolic Diseases, Fondazione Policlinico Universitario A Gemelli, Università Cattolica del Sacro Cuore, Rome, Italy
| | - Chiara MA Cefalo
- Center for Endocrine and Metabolic Diseases, Fondazione Policlinico Universitario A Gemelli, Università Cattolica del Sacro Cuore, Rome, Italy
| | - Vinsin A Sun
- Center for Endocrine and Metabolic Diseases, Fondazione Policlinico Universitario A Gemelli, Università Cattolica del Sacro Cuore, Rome, Italy
| | - Gian Pio Sorice
- Center for Endocrine and Metabolic Diseases, Fondazione Policlinico Universitario A Gemelli, Università Cattolica del Sacro Cuore, Rome, Italy
| | - Teresa Mezza
- Center for Endocrine and Metabolic Diseases, Fondazione Policlinico Universitario A Gemelli, Università Cattolica del Sacro Cuore, Rome, Italy
| | - Andrea Giaccari
- Center for Endocrine and Metabolic Diseases, Fondazione Policlinico Universitario A Gemelli, Università Cattolica del Sacro Cuore, Rome, Italy
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Millar P, Pathak N, Parthsarathy V, Bjourson AJ, O'Kane M, Pathak V, Moffett RC, Flatt PR, Gault VA. Metabolic and neuroprotective effects of dapagliflozin and liraglutide in diabetic mice. J Endocrinol 2017; 234:255-267. [PMID: 28611211 DOI: 10.1530/joe-17-0263] [Citation(s) in RCA: 48] [Impact Index Per Article: 6.9] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 06/06/2017] [Accepted: 06/13/2017] [Indexed: 12/24/2022]
Abstract
This study assessed the metabolic and neuroprotective actions of the sodium glucose cotransporter-2 inhibitor dapagliflozin in combination with the GLP-1 agonist liraglutide in dietary-induced diabetic mice. Mice administered low-dose streptozotocin (STZ) on a high-fat diet received dapagliflozin, liraglutide, dapagliflozin-plus-liraglutide (DAPA-Lira) or vehicle once-daily over 28 days. Energy intake, body weight, glucose and insulin concentrations were measured at regular intervals. Glucose tolerance, insulin sensitivity, hormone and biochemical analysis, dual-energy X-ray absorptiometry densitometry, novel object recognition, islet and brain histology were examined. Once-daily administration of DAPA-Lira resulted in significant decreases in body weight, fat mass, glucose and insulin concentrations, despite no change in energy intake. Similar beneficial metabolic improvements were observed regarding glucose tolerance, insulin sensitivity, HOMA-IR, HOMA-β, HbA1c and triglycerides. Plasma glucagon, GLP-1 and IL-6 levels were increased and corticosterone concentrations decreased. DAPA-Lira treatment decreased alpha cell area and increased insulin content compared to dapagliflozin monotherapy. Recognition memory was significantly improved in all treatment groups. Brain histology demonstrated increased staining for doublecortin (number of immature neurons) in dentate gyrus and synaptophysin (synaptic density) in stratum oriens and stratum pyramidale. These data demonstrate that combination therapy of dapagliflozin and liraglutide exerts beneficial metabolic and neuroprotective effects in diet-induced diabetic mice. Our results highlight important personalised approach in utilising liraglutide in combination with dapagliflozin, instead of either agent alone, for further clinical evaluation in treatment of diabetes and associated neurodegenerative disorders.
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Affiliation(s)
- Paul Millar
- SAAD Centre for Pharmacy and DiabetesSchool of Biomedical Sciences, University of Ulster, Northern Ireland, UK
| | - Nupur Pathak
- SAAD Centre for Pharmacy and DiabetesSchool of Biomedical Sciences, University of Ulster, Northern Ireland, UK
| | - Vadivel Parthsarathy
- SAAD Centre for Pharmacy and DiabetesSchool of Biomedical Sciences, University of Ulster, Northern Ireland, UK
| | - Anthony J Bjourson
- Northern Ireland Centre for Stratified MedicineUniversity of Ulster, C-TRIC Building, Altnagelvin Hospital, Northern Ireland, UK
| | - Maurice O'Kane
- Northern Ireland Centre for Stratified MedicineUniversity of Ulster, C-TRIC Building, Altnagelvin Hospital, Northern Ireland, UK
- Clinical Chemistry LaboratoryWestern Health and Social Care Trust, Altnagelvin Hospital, Northern Ireland, UK
| | - Varun Pathak
- SAAD Centre for Pharmacy and DiabetesSchool of Biomedical Sciences, University of Ulster, Northern Ireland, UK
| | - R Charlotte Moffett
- SAAD Centre for Pharmacy and DiabetesSchool of Biomedical Sciences, University of Ulster, Northern Ireland, UK
| | - Peter R Flatt
- SAAD Centre for Pharmacy and DiabetesSchool of Biomedical Sciences, University of Ulster, Northern Ireland, UK
| | - Victor A Gault
- SAAD Centre for Pharmacy and DiabetesSchool of Biomedical Sciences, University of Ulster, Northern Ireland, UK
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