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Ping X, Wang G, Gao D. Mechanistic Modeling of Empagliflozin: Predicting Pharmacokinetics, Urinary Glucose Excretion, and Investigating Compensatory Role of SGLT1 in Renal Glucose Reabsorption. J Clin Pharmacol 2024; 64:672-684. [PMID: 38363006 DOI: 10.1002/jcph.2413] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/17/2023] [Accepted: 01/11/2024] [Indexed: 02/17/2024]
Abstract
The aim of this study was to use a combination of physiologically based pharmacokinetic (PBPK) modeling and urinary glucose excretion (UGE) modeling to predict the time profiles of pharmacokinetics (PK) and UGE for the sodium-glucose cotransporter 2 (SGLT2) inhibitor empagliflozin (EMP). Additionally, the study aims to explore the compensatory effect of SGLT1 in renal glucose reabsorption (RGR) when SGLT2 is inhibited. The PBPK-UGE model was developed using physicochemical and biochemical properties, renal physiological parameters, binding kinetics, glucose, and Na+ reabsorption kinetics by SGLT1/2. For area under the plasma concentration-time curve, maximum plasma concentration, and cumulative EMP excretion in urine, the predicted values fell within a range of 0.5-2.0 when compared to observed data. Additionally, the simulated UGE data also matched well with the clinical data, further validating the accuracy of the model. According to the simulations, SGLT1 and SGLT2 contributed approximately 13% and 87%, respectively, to RGR in the absence of EMP. However, in the presence of EMP at doses of 2.5 and 10 mg, the contribution of SGLT1 to RGR significantly increased to approximately 76%-82% and 89%-93%, respectively, in patients with type 2 diabetes mellitus. Furthermore, the model supported the understanding that the compensatory effect of SGLT1 is the underlying mechanism behind the moderate inhibition observed in total RGR. The PBPK-UGE model has the capability to accurately predict the PK and UGE time profiles in humans. Furthermore, it provides a comprehensive analysis of the specific contributions of SGLT1 and SGLT2 to RGR in the presence or absence of EMP.
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Affiliation(s)
- Xian Ping
- Basic Teaching Department, Baoding Technical College of Electric Power, Baoding, Hebei, China
| | - Guopeng Wang
- Zhongcai Health (Beijing) Biological Technology Development Co., Ltd, Beijing, China
| | - Dongmei Gao
- Department of Medical Oncology, Bethune International Peace Hospital, Shijiazhuang, Hebei, China
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Ding L, Yang L, Ren D, Gao X, Zhang J, Liu M, Sun L, Diao Q, Feng S, Wen A, Wang J. Pharmacokinetic, Pharmacodynamic, and Safety Profiles of Proline Henagliflozin in Chinese Subjects with Varying Degrees of Liver Dysfunction. J Clin Pharmacol 2024. [PMID: 38686508 DOI: 10.1002/jcph.2437] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/21/2023] [Accepted: 03/13/2024] [Indexed: 05/02/2024]
Abstract
Proline henagliflozin, a novel selective inhibitor of sodium glucose cotransporter 2, is a treatment for type 2 diabetes mellitus. We designed a parallel-group, open-label, and multicenter study to evaluate the pharmacokinetic (PK), pharmacodynamic (PD), and safety profiles of henagliflozin in Chinese subjects with varying degrees of liver dysfunction. Thirty-two subjects were enrolled and divided into four groups based on liver function (normal liver function, mild, moderate, or severe liver dysfunction). The area under the plasma concentration from time zero to infinity of henagliflozin in subjects with mild liver dysfunction, moderate liver dysfunction, and severe liver dysfunction compared with normal liver function was increased by 137%, 197%, and 204%, respectively. The maximum plasma concentration was also increased by 123%, 129%, and 139%, respectively. PK parameters of three metabolites varied to different degrees in the liver dysfunction groups than in the normal liver function group. The mean accumulative excretion amounts and fraction of dose excreted in urine expressed as a percentage were all increased with the decrease of liver function. The PD parameters were significantly higher in liver dysfunction groups than those in the normal liver function group. However, the urine creatinine (UCr) was not significantly different among the groups. No notable adverse events or adverse drug reactions were observed. Due to the higher exposures in subjects with liver dysfunction, the benefit: risk ratio should be individually assessed because the long-term safety profile and efficacy have not been specifically studied in this population.
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Affiliation(s)
- Likun Ding
- Department of Pharmacy, Xijing Hospital, the Fourth Military Medical University, Xi'an, China
| | - Lin Yang
- Department of Pharmacy, Xijing Hospital, the Fourth Military Medical University, Xi'an, China
| | - Danjun Ren
- Department of Pharmacy, Xijing Hospital, the Fourth Military Medical University, Xi'an, China
| | - Xiaohua Gao
- Department of Pharmacy, Xijing Hospital, the Fourth Military Medical University, Xi'an, China
| | - Juanli Zhang
- Department of Pharmacy, Xijing Hospital, the Fourth Military Medical University, Xi'an, China
| | - Meiyou Liu
- Department of Pharmacy, Xijing Hospital, the Fourth Military Medical University, Xi'an, China
| | - Li Sun
- Jiangsu Hengrui Pharmaceuticals Co., Ltd, Lianyungang, China
| | - Qingbo Diao
- Jiangsu Hengrui Pharmaceuticals Co., Ltd, Lianyungang, China
| | - Sheng Feng
- Jiangsu Hengrui Pharmaceuticals Co., Ltd, Lianyungang, China
| | - Aidong Wen
- Department of Pharmacy, Xijing Hospital, the Fourth Military Medical University, Xi'an, China
| | - Jingwen Wang
- Department of Pharmacy, Xijing Hospital, the Fourth Military Medical University, Xi'an, China
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Siafarikas C, Kapelios CJ, Papatheodoridi M, Vlachogiannakos J, Tentolouris N, Papatheodoridis G. Sodium-glucose linked transporter 2 inhibitors in liver cirrhosis: Beyond their antidiabetic use. Liver Int 2024; 44:884-893. [PMID: 38293770 DOI: 10.1111/liv.15851] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 06/16/2023] [Revised: 01/02/2024] [Accepted: 01/15/2024] [Indexed: 02/01/2024]
Abstract
Type 2 diabetes mellitus (T2DM) and liver cirrhosis are clinical entities that frequently coexist, but glucose-lowering medication options are limited in cirrhotic patients. Sodium-glucose linked transporter 2 (SGLT2) inhibitors are a class of glucose-lowering medication that act independently of insulin, by causing glycosuria in the proximal convoluted tubule. In this review, we aimed to briefly present the main data and to provide insight into the pathophysiology and potential usefulness of SGLT2 inhibitors in cirrhotic patients with or without T2DM. SGLT2 inhibitors have been proven useful as antidiabetic treatment in patients with metabolic liver disease, with most robust data from patients with metabolic dysfunction-associated steatotic liver disease (MASLD), where they also showed improvement in liver function parameters. Moreover, it has been suggested that SGLT2 inhibitors may have effects beyond their antidiabetic action. Accordingly, they have exhibited cardioprotective effects, expanding their indication in patients with heart failure without T2DM. Since decompensated liver cirrhosis and congestive heart failure share common pathophysiological features, namely renin-angiotensin-aldosterone axis and sympathetic nervous system activation as well as vasopressin secretion, SGLT2 inhibitors could also be beneficial in patients with decompensated cirrhosis, even in the absence of T2DM.
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Affiliation(s)
- Christos Siafarikas
- 1st Propaedeutic Department of Internal Medicine, Medical School of National and Kapodistrian University of Athens, General Hospital of Athens "Laiko", Athens, Greece
| | - Chris J Kapelios
- Heart Failure and Heart Transplantation Unit, Onassis Cardiac Surgery Center, Athens, Greece
| | - Margarita Papatheodoridi
- Department of Gastroenterology, Medical School of National and Kapodistrian University of Athens, General Hospital of Athens "Laiko", Athens, Greece
| | - John Vlachogiannakos
- Department of Gastroenterology, Medical School of National and Kapodistrian University of Athens, General Hospital of Athens "Laiko", Athens, Greece
| | - Nikolaos Tentolouris
- 1st Propaedeutic Department of Internal Medicine, Medical School of National and Kapodistrian University of Athens, General Hospital of Athens "Laiko", Athens, Greece
| | - George Papatheodoridis
- Department of Gastroenterology, Medical School of National and Kapodistrian University of Athens, General Hospital of Athens "Laiko", Athens, Greece
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Chan WK, Chuah KH, Rajaram RB, Lim LL, Ratnasingam J, Vethakkan SR. Metabolic Dysfunction-Associated Steatotic Liver Disease (MASLD): A State-of-the-Art Review. J Obes Metab Syndr 2023; 32:197-213. [PMID: 37700494 PMCID: PMC10583766 DOI: 10.7570/jomes23052] [Citation(s) in RCA: 15] [Impact Index Per Article: 15.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 08/14/2023] [Revised: 08/16/2023] [Accepted: 08/23/2023] [Indexed: 09/14/2023] Open
Abstract
Metabolic dysfunction-associated steatotic liver disease (MASLD) is the latest term for steatotic liver disease associated with metabolic syndrome. MASLD is the most common cause of chronic liver disease and is the leading cause of liver-related morbidity and mortality. It is important that all stakeholders be involved in tackling the public health threat of obesity and obesity-related diseases, including MASLD. A simple and clear assessment and referral pathway using non-invasive tests is essential to ensure that patients with severe MASLD are identified and referred to specialist care, while patients with less severe disease remain in primary care, where they are best managed. While lifestyle intervention is the cornerstone of the management of patients with MASLD, cardiovascular disease risk must be properly assessed and managed because cardiovascular disease is the leading cause of mortality. No pharmacological agent has been approved for the treatment of MASLD, but novel anti-hyperglycemic drugs appear to have benefit. Medications used for the treatment of diabetes and other metabolic conditions may need to be adjusted as liver disease progresses to cirrhosis, especially decompensated cirrhosis. Based on non-invasive tests, the concepts of compensated advanced chronic liver disease and clinically significant portal hypertension provide a practical approach to stratifying patients according to the risk of liver-related complications and can help manage such patients. Finally, prevention and management of sarcopenia should be considered in the management of patients with MASLD.
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Affiliation(s)
- Wah-Kheong Chan
- Gastroenterology and Hepatology Unit, Department of Medicine, Faculty of Medicine, University of Malaya, Kuala Lumpur, Malaysia
| | - Kee-Huat Chuah
- Gastroenterology and Hepatology Unit, Department of Medicine, Faculty of Medicine, University of Malaya, Kuala Lumpur, Malaysia
| | - Ruveena Bhavani Rajaram
- Gastroenterology and Hepatology Unit, Department of Medicine, Faculty of Medicine, University of Malaya, Kuala Lumpur, Malaysia
| | - Lee-Ling Lim
- Endocrinology Unit, Department of Medicine, Faculty of Medicine, University of Malaya, Kuala Lumpur, Malaysia
- Department of Medicine and Therapeutics, The Chinese University of Hong Kong, Hong Kong, Special Administrative Region of China
- Asia Diabetes Foundation, Hong Kong, Special Administrative Region of China
| | - Jeyakantha Ratnasingam
- Endocrinology Unit, Department of Medicine, Faculty of Medicine, University of Malaya, Kuala Lumpur, Malaysia
| | - Shireene Ratna Vethakkan
- Endocrinology Unit, Department of Medicine, Faculty of Medicine, University of Malaya, Kuala Lumpur, Malaysia
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Scheen AJ. Pharmacokinetic, toxicological, and clinical considerations for the treatment of type 2 diabetes in patients with liver disease: a comprehensive update. Expert Opin Drug Metab Toxicol 2023; 19:543-553. [PMID: 37620287 DOI: 10.1080/17425255.2023.2252333] [Citation(s) in RCA: 1] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/03/2023] [Revised: 08/22/2023] [Accepted: 08/23/2023] [Indexed: 08/26/2023]
Abstract
INTRODUCTION Type 2 diabetes and liver disease, mainly metabolic-associated fatty liver disease (MAFLD) and more rarely cirrhosis, coexist in many patients. This duality has direct implications for the physician when choosing glucose-lowering agents, with classical concerns but also recent new hopes. AREAS COVERED This updated comprehensive review will consider the pharmacokinetics, the tolerance/safety profile, the benefit/risk balance in cirrhosis, the effects on MAFLD and the risk of hepatocellular carcinoma of old and new glucose-lowering compounds in patients with liver disease, with a special focus on glucagon-like peptide-1 receptor agonists and sodium-glucose cotransporter 2 inhibitors. EXPERT OPINION We are currently facing a new paradigm in the management of patients with diabetes and liver disease. From previous reluctance when using antidiabetic agents (except insulin) in diabetic patients with hepatic impairment because of safety concerns, the commercialization of novel glucose-lowering agents has changed the scene. These agents, which have a good safety profile, are associated with weight loss and pleiotropic effects. They have proven their efficacy in improving MAFLD. However, more specific studies are still needed to prove their efficacy in preventing the progression to fibrosis/cirrhosis and confirm this new opportunity for the management of patients with diabetes and liver disease.
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Affiliation(s)
- André J Scheen
- Division of Clinical Pharmacology, Centre for Interdisciplinary Research on Medicines (CIRM), Liège University, Liège, Belgium
- Division of Diabetes, Nutrition and Metabolic Disorders, CHU Liège, Liège, Belgium
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Scheen AJ. Counteracting heart failure with diabetes drugs: a review into the pharmacokinetic and pharmacodynamic properties. Expert Opin Drug Metab Toxicol 2022; 18:381-393. [PMID: 35876091 DOI: 10.1080/17425255.2022.2105693] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/07/2023]
Abstract
INTRODUCTION : Heart failure (HF) is becoming a huge public health burden. New diabetes drugs for type 2 diabetes (T2D), sodium-glucose cotransporter type 2 inhibitors (SGLT2is), reduce the rate of hospitalization for HF in placebo-controlled trials. AREAS COVERED : Pharmacokinetics of dapagliflozin and empagliflozin (in presence of renal impairment and hepatic dysfunction, two comorbidities frequently associated with HF) and pharmacodynamic studies in patients with HF. Main HF outcomes in T2D patients with cardiovascular risk and in patients with reduced (HFrEF) or preserved (HFpEF) ejection fraction, with or without T2D, from DAPA-HF, EMPEROR-Reduced and EMPEROR-Preserved original findings and post hoc analyses. EXPERT OPINION : No clinically relevant changes are expected concerning SGLT2i pharmacokinetics in patients with HF while pharmacodynamic studies reported improvements in myocardium/vascular parameters, biomarkers and functional status. All SGLT2is showed a remarkable reduction in hospitalization for HF in patients with T2D and high cardiovascular risk. Furthermore, both dapagliflozin and empagliflozin improved the prognosis of patients with HFrEF, independently of the presence of T2D. Similar results were reported with empagliflozin in patients with HFpEF, to be confirmed with dapagliflozin in an ongoing trial (DELIVER). Thus, SGLT2is offer a new opportunity for the prevention and management of HF in patients with or without T2D.
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Affiliation(s)
- André J Scheen
- Division of Clinical Pharmacology, Centre for Interdisciplinary Research on Medicines (CIRM), University of Liège, Liège, Belgium.,Division of Diabetes, Nutrition and Metabolic Disorders, Department of Medicine, CHU Liège, Liège, Belgium
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Arvanitakis K, Koufakis T, Kotsa K, Germanidis G. The effects of sodium-glucose cotransporter 2 inhibitors on hepatocellular carcinoma: From molecular mechanisms to potential clinical implications. Pharmacol Res 2022; 181:106261. [PMID: 35588918 DOI: 10.1016/j.phrs.2022.106261] [Citation(s) in RCA: 18] [Impact Index Per Article: 9.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 03/19/2022] [Revised: 05/11/2022] [Accepted: 05/12/2022] [Indexed: 02/08/2023]
Abstract
Hepatocellular carcinoma (HCC) occurs in the setting of prolonged liver inflammation, hepatocyte necrosis and regeneration in patients with cirrhosis. Despite the progress made in the medical management of the disorder during the past decades, the available pharmacological options remain limited, leading to poor survival rates and quality of life for patients with HCC. Sodium-glucose cotransporter 2 inhibitors (SGLT2) originally emerged as drugs for the treatment of hyperglycemia; however, they soon demonstrated important extra-glycemic properties, which led to their evaluation as potential treatments for a wide range of non-metabolic disorders. Evidence from animal studies suggests that SGLT2i have the potential to modulate molecular pathways that affect hallmarks of HCC, including inflammatory responses, cell proliferation, and oxidative stress. The impressive benefits of neurohormonal modulation observed with SGLT2i in congestive heart failure set the stage for human trials in cirrhotic ascites. However, future studies need to evaluate several aspects of the benefit to risk ratio of such a therapeutic strategy, including the co-administration with antineoplastic agents and diuretics, infections, use in hospitalized individuals, renal safety and hypovolemia. In this narrative review, we discuss the putative role of SGLT2i in the treatment of patients with HCC, starting with the mechanisms that could justify a possible benefit and ending with potential clinical implications and areas for future research.
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Affiliation(s)
- Konstantinos Arvanitakis
- First Department of Internal Medicine, AHEPA University Hospital, Aristotle University of Thessaloniki, 54636 Thessaloniki, Greece; Basic and Translational Research Unit, Special Unit for Biomedical Research and Education, School of Medicine, Faculty of Health Sciences, Aristotle University of Thessaloniki, 54636 Thessaloniki, Greece
| | - Theocharis Koufakis
- Division of Endocrinology and Metabolism and Diabetes Centre, First Department of Internal Medicine, Medical School, Aristotle University of Thessaloniki, AHEPA University Hospital, 54636 Thessaloniki, Greece
| | - Kalliopi Kotsa
- Division of Endocrinology and Metabolism and Diabetes Centre, First Department of Internal Medicine, Medical School, Aristotle University of Thessaloniki, AHEPA University Hospital, 54636 Thessaloniki, Greece
| | - Georgios Germanidis
- First Department of Internal Medicine, AHEPA University Hospital, Aristotle University of Thessaloniki, 54636 Thessaloniki, Greece; Basic and Translational Research Unit, Special Unit for Biomedical Research and Education, School of Medicine, Faculty of Health Sciences, Aristotle University of Thessaloniki, 54636 Thessaloniki, Greece.
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Chadha M, Das AK, Deb P, Gangopadhyay KK, Joshi S, Kesavadev J, Kovil R, Kumar S, Misra A, Mohan V. Expert Opinion: Optimum Clinical Approach to Combination-Use of SGLT2i + DPP4i in the Indian Diabetes Setting. Diabetes Ther 2022; 13:1097-1114. [PMID: 35334083 PMCID: PMC8948458 DOI: 10.1007/s13300-022-01219-x] [Citation(s) in RCA: 4] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 02/04/2021] [Accepted: 02/01/2022] [Indexed: 12/20/2022] Open
Abstract
The Asian-Indian phenotype of type 2 diabetes mellitus is uniquely characterized for cardio-metabolic risk. In the context of implementing patient-centric holistic cardio-metabolic risk management as a priority, the choice of various combinations of antidiabetic agents should be individualized. Combined therapy with two classes of antidiabetic agents, namely, dipeptidyl peptidase 4 inhibitors and sodium-glucose co-transporter-2 inhibitors, target several pathophysiological pathways. The wide-ranging clinical outcomes associated with this combination, including improvement of glycemia and adiposity, reduction of metabolic and vascular risk, safety, and simplicity for sustainable compliance, are extremely relevant to the Asian Indian patient population living with T2DM. In this review we describe the available evidence in detail and present a rational practical guidance for the optimum clinical use of this combination in this patient population.
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Affiliation(s)
- Manoj Chadha
- Endocrinology, P.D. Hinduja Hospital, Mumbai, India
| | - Ashok Kumar Das
- Endocrinology, Pondicherry Institute of Medical Science, Puducherry, India
| | - Prasun Deb
- Endocrinology, Krishna Institute of Medical Sciences, Hyderabad, India
| | | | - Shashank Joshi
- Endocrinology, Joshi Clinic and Lilavati Hospital and Research Centre, Mumbai, India
| | | | - Rajiv Kovil
- Department of Diabetology, Dr Kovil’s Diabetes Care Centre, Mumbai, India
| | | | - Anoop Misra
- Fortis-C-DOC Centre of Excellence for Diabetes, Metabolic Diseases and Endocrinology, National Diabetes, Obesity and Cholesterol Foundation (N-DOC), Diabetes Foundation (India) (DFI), New Delhi, India
| | - Viswanathan Mohan
- Dr Mohan’s Diabetes Specialities Centre and Madras Diabetes Research Foundation, Chennai, India
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Brodosi L, Petta S, Petroni ML, Marchesini G, Morelli MC. Management of Diabetes in Candidates for Liver Transplantation and in Transplant Recipients. Transplantation 2022; 106:462-478. [PMID: 34172646 PMCID: PMC9904447 DOI: 10.1097/tp.0000000000003867] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/19/2021] [Revised: 05/31/2021] [Accepted: 06/02/2021] [Indexed: 11/25/2022]
Abstract
Diabetes is common in patients waitlisted for liver transplantation because of end-stage liver disease or hepatocellular cancer as well as in posttransplant phase (posttransplantation diabetes mellitus). In both conditions, the presence of diabetes severely affects disease burden and long-term clinical outcomes; careful monitoring and appropriate treatment are pivotal to reduce cardiovascular events and graft and recipients' death. We thoroughly reviewed the epidemiology of diabetes in the transplant setting and the different therapeutic options, from lifestyle intervention to antidiabetic drug use-including the most recent drug classes available-and to the inclusion of bariatric surgery in the treatment cascade. In waitlisted patients, the old paradigm that insulin should be the treatment of choice in the presence of severe liver dysfunction is no longer valid; novel antidiabetic agents may provide adequate glucose control without the risk of hypoglycemia, also offering cardiovascular protection. The same evidence applies to the posttransplant phase, where oral or injectable noninsulin agents should be considered to treat patients to target, limiting the impact of disease on daily living, without interaction with immunosuppressive regimens. The increasing prevalence of liver disease of metabolic origin (nonalcoholic fatty liver) among liver transplant candidates, also having a higher risk of noncirrhotic hepatocellular cancer, is likely to accelerate the acceptance of new drugs and invasive procedures, as suggested by international guidelines. Intensive lifestyle intervention programs remain however mandatory, both before and after transplantation. Achievement of adequate control is mandatory to increase candidacy, to prevent delisting, and to improve long-term outcomes.
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Affiliation(s)
- Lucia Brodosi
- IRCCS – Azienda Ospedaliero-Universitaria di Bologna, Bologna, Italy
- Department of Medical and Surgical Sciences, Alma Mater University, Bologna, Italy
| | - Salvatore Petta
- Section of Gastroenterology and Hepatology, PROMISE, University of Palermo, Palermo, Italy
| | - Maria L. Petroni
- IRCCS – Azienda Ospedaliero-Universitaria di Bologna, Bologna, Italy
- Department of Medical and Surgical Sciences, Alma Mater University, Bologna, Italy
| | - Giulio Marchesini
- IRCCS – Azienda Ospedaliero-Universitaria di Bologna, Bologna, Italy
- Department of Medical and Surgical Sciences, Alma Mater University, Bologna, Italy
| | - Maria C. Morelli
- IRCCS – Azienda Ospedaliero-Universitaria di Bologna, Bologna, Italy
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García-Compeán D, Orsi E, Kumar R, Gundling F, Nishida T, Villarreal-Pérez JZ, Del Cueto-Aguilera ÁN, González-González JA, Pugliese G. Clinical implications of diabetes in chronic liver disease: Diagnosis, outcomes and management, current and future perspectives. World J Gastroenterol 2022; 28:775-793. [PMID: 35317103 PMCID: PMC8900578 DOI: 10.3748/wjg.v28.i8.775] [Citation(s) in RCA: 6] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 10/10/2021] [Revised: 11/19/2021] [Accepted: 01/25/2022] [Indexed: 02/06/2023] Open
Abstract
Diabetes mellitus (DM) is common in liver cirrhosis (LC). The pathophysiological association is bidirectional. DM is a risk factor of LC and LC is a diabetogenic condition. In the recent years, research on different aspects of the association DM and LC has been intensified. Nevertheless, it has been insufficient and still exist many gaps. The aims of this review are: (1) To discuss the latest understandings of the association of DM and LC in order to identify the strategies of early diagnosis; (2) To evaluate the impact of DM on outcomes of LC patients; and (3) To select the most adequate management benefiting the two conditions. Literature searches were conducted using PubMed, Ovid and Scopus engines for DM and LC, diagnosis, outcomes and management. The authors also provided insight from their own published experience. Based on the published studies, two types of DM associated with LC have emerged: Type 2 DM (T2DM) and hepatogenous diabetes (HD). High-quality evidences have determined that T2DM or HD significantly increase complications and death pre and post-liver transplantation. HD has been poorly studied and has not been recognized as a complication of LC. The management of DM in LC patients continues to be difficult and should be based on drug pharmacokinetics and the degree of liver failure. In conclusion, the clinical impact of DM in outcomes of LC patients has been the most studied item recently. Nevertheless many gaps still exist particularly in the management. These most important gaps were highlighted in order to propose future lines for research.
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Affiliation(s)
- Diego García-Compeán
- Gastroenterology Service and Department of Internal Medicine, Faculty of Medicine, University Hospital “Dr. José E. González”, Universidad Autónoma de Nuevo León, Monterrey 64700, Nuevo León, Mexico
| | - Emanuela Orsi
- Diabetes Service, Endocrinology and Metabolic Diseases Unit, Fdn IRCCS Ca Granda, Endocrine Unit, Padigl Granelli, Milan 20121, Italy
| | - Ramesh Kumar
- Department of Gastroenterology, All India Institute of Medical Sciences, Patna 801507, India
| | - Felix Gundling
- Department of Gastroenterology, Gastrointestinal Oncology, Hepatology, Diabetics, Metabolism and Infectious Diseases, Sozialstiftung Bamberg, Bamberg 96049, Germany
| | - Tsutomu Nishida
- Department of Gastroenterology, Toyonaka Municipal Hospital, Osaka 560-8565, Japan
| | | | - Ángel N Del Cueto-Aguilera
- Department of Gastroenterology and Internal Medicine, Faculty of Medicine, University Hospital, Autonomous University of Nuevo León, Monterrey 64700, Nuevo León, Mexico
| | - José A González-González
- Gastroenterology Service and Department of Internal Medicine, University Hospital Dr. José E González and Medical School, Monterrey 64460, Nuevo León, Mexico
| | - Giuseppe Pugliese
- Department of Clinical and Molecular Medicine, La Sapienza University, Roma 00161, Italy
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Gao Y, Wei L, Zhang DD, Chen Y, Hou B. SGLT2 Inhibitors: A New Dawn for Recurrent/Refractory Cirrhotic Ascites. J Clin Transl Hepatol 2021; 9:795-797. [PMID: 34966642 PMCID: PMC8666362 DOI: 10.14218/jcth.2021.00418] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 09/18/2021] [Revised: 10/27/2021] [Accepted: 11/05/2021] [Indexed: 12/16/2022] Open
Affiliation(s)
- Yuan Gao
- Department of Hepatology, Youan Hospital, Capital Medical University, Beijing, China
| | - Lai Wei
- Hepatopancreabiliary Center, Beijing Tsinghua Changgung Hospital, Tsinghua University, Beijing, China
| | | | - Yu Chen
- Department of Hepatology, Youan Hospital, Capital Medical University, Beijing, China
| | - Bing Hou
- Xenorm MedInfo Center, Beijing, China
- Correspondence to: Bing Hou, Xenorm MedInfo Center, No. 30 Xueyuan Road, Beijing 100083, China. ORCID: https://oricd.org/0000-0002-4613-1095. Tel/Fax: +86-10-88443312, E-mail:
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12
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Management of diabetes mellitus in patients with cirrhosis: An overview and joint statement. DIABETES & METABOLISM 2021; 47:101272. [PMID: 34363981 DOI: 10.1016/j.diabet.2021.101272] [Citation(s) in RCA: 13] [Impact Index Per Article: 4.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Received: 04/07/2021] [Revised: 06/25/2021] [Accepted: 07/12/2021] [Indexed: 12/18/2022]
Abstract
Type 2 diabetes mellitus (T2DM) is a frequent comorbidity in patients with cirrhosis that is projected to rise in prevalence due to the worldwide burden of obesity, insulin-resistance and non-alcoholic fatty liver disease. The management of T2DM in patients with cirrhosis is complex given the requirement for accurate adaptation according to the level of liver function impairment, with lack of summary of the little evidence available in the literature. Here, we summarise the data available with respect to the epidemiology and the impact of T2DM in patients with cirrhosis, as well as those on the management of T2DM in these patients. We provide guidance for the diagnosis of T2DM and the monitoring of glycaemic control in patients with cirrhosis, and for the management of nutrition and pharmacological treatments in relation to the level of liver dysfunction.
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Chung W, Promrat K, Wands J. Clinical implications, diagnosis, and management of diabetes in patients with chronic liver diseases. World J Hepatol 2020; 12:533-557. [PMID: 33033564 PMCID: PMC7522556 DOI: 10.4254/wjh.v12.i9.533] [Citation(s) in RCA: 10] [Impact Index Per Article: 2.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 07/08/2020] [Revised: 08/03/2020] [Accepted: 08/15/2020] [Indexed: 02/06/2023] Open
Abstract
Diabetes mellitus (DM) negatively affects the development and progression of chronic liver diseases (CLD) of various etiologies. Concurrent DM and CLD are also associated with worse clinical outcomes with respect to mortality, the occurrence of hepatic decompensation, and the development of hepatocellular carcinoma (HCC). Unfortunately, early diagnosis and optimal treatment of DM can be challenging, due to the lack of established clinical guidelines as well as the medical complexity of this patient population. We conducted an exploratory review of relevant literature to provide an up-to-date review for internists and hepatologists caring for this patient population. We reviewed the epidemiological and pathophysiological associations between DM and CLD, the impact of insulin resistance on the progression and manifestations of CLD, the pathogenesis of hepatogenic diabetes, as well as the practical challenges in diagnosis and monitoring of DM in this patient population. We also reviewed the latest clinical evidence on various pharmacological antihyperglycemic therapies with an emphasis on liver disease-related clinical outcomes. Finally, we proposed an algorithm for managing DM in patients with CLD and discussed the clinical and research questions that remain to be addressed.
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Affiliation(s)
- Waihong Chung
- Division of Gastroenterology, Department of Medicine, Rhode Island Hospital, Providence, RI 02905, United States.
| | - Kittichai Promrat
- Division of Gastroenterology and Hepatology, Providence VA Medical Center, Providence, RI 02908, United States
| | - Jack Wands
- Liver Research Center, The Warren Alpert Medical School of Brown University, Providence, RI 02903, United States
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Effects of Child-Pugh B Cirrhosis on Pharmacokinetics of Tofogliflozin, a New Sodium-Glucose Co-Transporter (SGLT2) Inhibitor. Drug Res (Stuttg) 2020; 70:401-409. [PMID: 32707593 DOI: 10.1055/a-1202-0818] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/23/2022]
Abstract
BACKGROUND Tofogliflozin is a highly selective sodium-glucose co-transporter 2 (SGLT2) inhibitor. A mass balance study with combinations of microdoses revealed that tofogliflozin has high oral bioavailability (97.5%) and that tofogliflozin in circulation is eliminated primarily by metabolic pathways, with the liver playing a prominent role in elimination. OBJECTIVES This study aimed to evaluate the effect of moderate hepatic impairment on the pharmacokinetics of tofogliflozin and on the pharmacodynamics (urinary glucose excretion [UGE]). METHODS In an open-label, parallel-group study, 17 subjects (9 with moderate hepatic impairment [Child-Pugh Class B, score 7-9] and 8 healthy) received a single oral dose of 40 mg tofogliflozin. Plasma and urine concentrations of tofogliflozin were determined. Accumulated UGE, adverse events, and physiological and laboratory test data were monitored. RESULTS Geometric mean ratio (GMR; geometric mean value for subjects with moderate hepatic impairment / geometric mean value for healthy subjects) of Cmax was 1.47 and GMR of AUCinf was 1.70. Moderate hepatic impairment had only a little effect on tmax and CLR but it prolonged MRT. The levels of cumulative UGE were similar between the 2 groups. No clinically significant adverse events, laboratory test values, or physiological test values were observed in any subject. CONCLUSIONS Moderate hepatic impairment increased Cmax and AUCinf of tofogliflozin by 47% and 70%, respectively. This increase in tofogliflozin exposure did not increase UGE in hepatically impaired subjects. A single oral dose of 40 mg tofogliflozin was well tolerated, supporting dose adjustment is unnecessary even in moderately hepatically impaired subjects.
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Herat LY, Matthews VB, Magno AL, Kiuchi MG, Carnagarin R, Schlaich MP. An evaluation of empagliflozin and it's applicability to hypertension as a therapeutic option. Expert Opin Pharmacother 2020; 21:1157-1166. [PMID: 32301361 DOI: 10.1080/14656566.2020.1751815] [Citation(s) in RCA: 4] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/08/2023]
Abstract
INTRODUCTION Sodium-glucose cotransporter 2 (SGLT2) inhibitors such as Empagliflozin are novel antihyperglycemic drugs approved for the treatment of type 2 diabetes (T2D). In addition to its glucose-lowering effects, Empagliflozin promotes weight loss, blood pressure reduction, and other beneficial metabolic benefits. AREAS COVERED This review outlines the pharmacokinetics, pharmacodynamics, safety, and tolerability of Empagliflozin and discusses its role in diabetes-associated hypertension. EXPERT OPINION Empagliflozin was the first in class to not only demonstrate safety of SGLT2 inhibition but also cardio- and reno-protective effects in an adequately powered cardiovascular outcome trial. The EMPA-REG study showed significant reductions in mortality from cardiovascular causes, hospitalization for heart failure, and progression of diabetic kidney disease. These benefits cannot be attributed to glycemic control alone, suggesting the involvement of other SGLT2 inhibition-mediated mechanisms. Recent data suggests the potential utility of SGLT2 inhibition in other conditions including type 1 diabetes (T1D) and non-diabetic heart failure patients with clinical trials currently being conducted. In concert with ongoing pre-clinical investigations to unravel the mechanisms contributing to cardiorenal protection, the full therapeutic potential of SGLT2 inhibition will become apparent over the next few years and promises to be one of the major success stories in clinical medicine. ABBREVIATIONS T1D: type 1 diabetes; T2D: type 2 diabetes; SGLT2: sodium-glucose cotransporter 2; CVD: cardiovascular disease; SBP: systolic blood pressure; DBP: diastolic blood pressure; SNS: sympathetic nervous system; BP: blood pressure; CV: cardiovascular; ZDF: Zucker diabetic fatty; CKD: chronic kidney disease; FDA: Food and Drug Administration.
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Affiliation(s)
- Lakshini Y Herat
- Dobney Hypertension Centre, School of Biomedical Science - Royal Perth Hospital Unit, University of Western Australia , Perth, Australia
| | - Vance B Matthews
- Dobney Hypertension Centre, School of Biomedical Science - Royal Perth Hospital Unit, University of Western Australia , Perth, Australia
| | - Aaron L Magno
- Research Centre, Royal Perth Hospital , Perth, Australia
| | - Marcio G Kiuchi
- Dobney Hypertension Centre, School of Medicine, Royal Perth Hospital Unit, University of Western Australia , Perth, Australia
| | - Revathy Carnagarin
- Dobney Hypertension Centre, School of Medicine, Royal Perth Hospital Unit, University of Western Australia , Perth, Australia
| | - Markus P Schlaich
- Dobney Hypertension Centre, School of Medicine, Royal Perth Hospital Unit, University of Western Australia , Perth, Australia.,Department of Cardiology and Department of Nephrology, Royal Perth Hospital , Perth, Australia
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16
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Wattamwar T, Mungantiwar A, Halde S, Pandita N. Development of simultaneous determination of empagliflozin and metformin in human plasma using liquid chromatography-mass spectrometry and application to pharmacokinetics. EUROPEAN JOURNAL OF MASS SPECTROMETRY (CHICHESTER, ENGLAND) 2020; 26:117-130. [PMID: 31575298 DOI: 10.1177/1469066719879297] [Citation(s) in RCA: 12] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 06/10/2023]
Abstract
A rapid and sensitive liquid chromatography-mass spectrometry method was developed, optimized, and validated for simultaneous quantification of empagliflozin and metformin in human plasma using empagliflozin D4and metformin D6 as an internal standard. Analytes and internal standard were extracted from plasma by optimized solid-phase extraction technique using Strata X polymeric reverse phase (30 mg-1cc) solid-phase extraction cartridges. The prepared samples were chromatographed on Orosil C18 column (150 × 4.6 mm, 3 µ). Separation was done by pumping isocratic mobile phase consisting of methanol and 10 mM ammonium trifluoroacetate (90:10, v/v) in positive ion mode at a flow rate of 0.8 mL/min. The API 3200 liquid chromatography-mass spectrometry system having turbo ion spray as an ion source coupled with Shimadzu Prominence ultrafast liquid chromatography system was operated under the selected reaction monitoring mode. Turbo ion spray ionization was used for mass transition of m/z 468.070/355.100 and m/z 130.072/71.200 for empagliflozin and metformin, respectively. A method was successfully validated for concentration range of 10.09-5013.46 ng/mL for both the analytes and according to the United States Food and Drugs Administration guidelines. The linearity was found to be in the range of 10.09-403.46 ng/mL for empagliflozin and 25.44-5013.46 ng/mL for metformin. The limit of quantification was found to be 10.09 ng/mL for empagliflozin and 25.44 ng/mL for metformin. Intra- and inter-day/between batch precision determination for empagliflozin and metformin, expressed as coefficient of variation were within the acceptance limits and ranged below 13.16%. A short run time of 3.3 min allows analysis of more than 400 plasma samples per day. The developed method was successfully applied to fasting pharmacokinetic study in healthy human volunteers. Results of incurred sample re-analysis were within the acceptance range of ±20% of original value, for 97.2% of samples reanalyzed for empagliflozin and 100% of samples reanalyzed for metformin.
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Affiliation(s)
- Tejas Wattamwar
- Bioequivalence Department, Macleods Pharmaceuticals Ltd, Mumbai, India
- Department of Chemistry, Sunandan Divatia School of Science, NMIMS, Mumbai, India
| | | | - Supriya Halde
- Bioequivalence Department, Macleods Pharmaceuticals Ltd, Mumbai, India
| | - Nancy Pandita
- Department of Chemistry, Sunandan Divatia School of Science, NMIMS, Mumbai, India
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17
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Papazafiropoulou A, Melidonis A. Antidiabetic agents in patients with hepatic impairment. World J Meta-Anal 2019; 7:380-388. [DOI: 10.13105/wjma.v7.i8.380] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.6] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 06/26/2019] [Revised: 08/07/2019] [Accepted: 08/20/2019] [Indexed: 02/06/2023] Open
Abstract
Chronic liver disease (CLD) often coexists with type 2 diabetes mellitus, making diabetes management a challenge to the clinician. It is well known that liver is the major site of drug metabolism, and, therefore, its impairment affects hepatic metabolism of many antidiabetic agents. Furthermore, patients with CLD have serious comorbidities such as impaired renal function, hypoalbuminemia, lactic acidosis, hypoglycemia and malnutrition, making their treatment even more difficult. On the other hand, most of the antidiabetic agents, with the exception of insulin, need dosage titration due to alterations to their pharmacokinetics in patients with CLD. For well-established antidiabetic treatments, like metformin and sulfonylureas there are studies regarding their dosage chance in these patients. However, despite the growing problem of management of diabetes in patients with CLD the existing literature data, especially on newer antidiabetic agents, are limited and, furthermore, no direct guidelines exist. Therefore, in the present review article we try to summarize the existing literature data regarding management of diabetes in patients with CLD.
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Affiliation(s)
- Athanasia Papazafiropoulou
- 1st Department of Internal Medicine and Diabetes Center, Tzaneio General Hospital of Piraeus, Athens 18536, Greece
| | - Andreas Melidonis
- 1st Department of Internal Medicine and Diabetes Center, Tzaneio General Hospital of Piraeus, Athens 18536, Greece
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18
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Milder TY, Stocker SL, Samocha-Bonet D, Day RO, Greenfield JR. Sodium-glucose cotransporter 2 inhibitors for type 2 diabetes-cardiovascular and renal benefits in patients with chronic kidney disease. Eur J Clin Pharmacol 2019; 75:1481-1490. [PMID: 31377891 DOI: 10.1007/s00228-019-02732-y] [Citation(s) in RCA: 7] [Impact Index Per Article: 1.4] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/07/2019] [Accepted: 07/26/2019] [Indexed: 02/07/2023]
Abstract
PURPOSE Sodium-glucose cotransporter 2 (SGLT2) inhibitors have important cardiovascular and renal benefits in adults with type 2 diabetes who have or are at high risk of cardiovascular and renal disease. These benefits are seen in patients with impaired renal function where the glucose-lowering effects are not observed. Here, we review the pharmacokinetics and pharmacology of SGLT2 inhibitors in relation to cardiovascular and renal outcomes in patients with chronic kidney disease (CKD). METHODS We searched PubMed and EMBASE for original research, meta-analyses and review articles relevant to the pharmacokinetics, and cardiac and renal outcomes of SGLT2 inhibitors published up until June 2019. Specialist society guidelines and publications were also consulted. RESULTS Renal impairment is currently a contraindication to SGLT2 inhibitor use largely due to limited anti-hyperglycaemic efficacy. However, in cardiovascular outcome trials, and a dedicated renal outcome trial, cardiovascular and renal benefits were seen in participants with CKD suggesting that mechanisms underlying the cardiovascular and renal benefits of SGLT2 inhibitors are likely largely independent of the glucose-lowering action of these agents. CONCLUSIONS Despite minimal glycaemic benefits in patients with type 2 diabetes and stage 3 CKD, the cardiovascular and renal benefits of these agents are preserved in this group of patients. Whether these agents have cardiovascular and renal benefits in patients with stage 4 CKD and patients with non-diabetic CKD needs further research.
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Affiliation(s)
- Tamara Y Milder
- Department of Diabetes and Endocrinology, St. Vincent's Hospital, Sydney, NSW, Australia
- Department of Clinical Pharmacology and Toxicology, St. Vincent's Hospital, Sydney, NSW, Australia
- St. Vincent's Clinical School, University of NSW, Sydney, NSW, Australia
- Diabetes and Metabolism, Garvan Institute of Medical Research, Sydney, NSW, Australia
| | - Sophie L Stocker
- Department of Clinical Pharmacology and Toxicology, St. Vincent's Hospital, Sydney, NSW, Australia
- St. Vincent's Clinical School, University of NSW, Sydney, NSW, Australia
| | - Dorit Samocha-Bonet
- St. Vincent's Clinical School, University of NSW, Sydney, NSW, Australia
- Diabetes and Metabolism, Garvan Institute of Medical Research, Sydney, NSW, Australia
| | - Richard O Day
- Department of Clinical Pharmacology and Toxicology, St. Vincent's Hospital, Sydney, NSW, Australia
- St. Vincent's Clinical School, University of NSW, Sydney, NSW, Australia
| | - Jerry R Greenfield
- Department of Diabetes and Endocrinology, St. Vincent's Hospital, Sydney, NSW, Australia.
- St. Vincent's Clinical School, University of NSW, Sydney, NSW, Australia.
- Diabetes and Metabolism, Garvan Institute of Medical Research, Sydney, NSW, Australia.
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19
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Kontana A, Tziomalos K. Role of sodium-glucose co-transporter-2 inhibitors in the management of nonalcoholic fatty liver disease. World J Gastroenterol 2019; 25:3664-3668. [PMID: 31391764 PMCID: PMC6676552 DOI: 10.3748/wjg.v25.i28.3664] [Citation(s) in RCA: 7] [Impact Index Per Article: 1.4] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 03/16/2019] [Revised: 05/20/2019] [Accepted: 06/26/2019] [Indexed: 02/06/2023] Open
Abstract
Nonalcoholic fatty liver disease (NAFLD) is the most prevalent cause of chronic liver disease worldwide. NAFLD is considerably more frequent in patients with type 2 diabetes mellitus (T2DM) than in the general population and is also more severe histologically in this group. Sodium-glucose co-transporter-2 (SGLT2) inhibitors, the newest class of antidiabetic agents, appear to represent a promising option for the management of NAFLD in patients with T2DM. In a number of studies, treatment with SGLT2 inhibitors resulted in a reduction in hepatic steatosis and in transaminase levels. However, existing studies are small, their follow-up period was short and none evaluated the effects of SGLT2 inhibitors on liver histology. Accordingly, larger studies are needed to verify these preliminary results and define the role of SGLT2 inhibitors in the treatment of NAFLD in patients with T2DM.
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Affiliation(s)
- Anastasia Kontana
- First Propedeutic Department of Internal Medicine, Medical School, Aristotle University of Thessaloniki, AHEPA Hospital, Thessaloniki 54636, Greece
| | - Konstantinos Tziomalos
- First Propedeutic Department of Internal Medicine, Medical School, Aristotle University of Thessaloniki, AHEPA Hospital, Thessaloniki 54636, Greece
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Galli M, D'Amario D, Sofia C, Vaccarella M, Crea F, Aspromonte N. Clinical potential relevance of metabolic properties of SGLT2 inhibitors in patients with heart failure. Expert Opin Drug Metab Toxicol 2018; 14:1273-1285. [PMID: 30472914 DOI: 10.1080/17425255.2018.1551360] [Citation(s) in RCA: 4] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/20/2022]
Abstract
Introduction: Heart failure (HF) affects approximately 2% of the population worldwide, remaining a major cause of hospitalization and mortality despite innovative therapeutic approaches introduced in the past few decades. Type 2 diabetes mellitus (T2DM) contributes significantly to end-organ damage and HF-related complications and is associated with worse clinical status and increased all-cause and cardiovascular mortality in patients with HF with reduced (HFrEF) or with preserved ejection fraction (HFpEF), compared to HF patients without T2DM. Recently, a novel class of antidiabetic drugs has been introduced: sodium glucose co-trasport-2 inhibitors (SGLT2i). Initially designed for patients with T2DM to reduce kidney blood glucose resorption, SGLT2i rapidly gained attention among HF specialists since they were able to show a beneficial prognostic impact in patients affected by HF and T2DM, even independently from the glycemic control as suggested by the EMPA-REG OUTCOME and CANVAS trials. Areas covered: The present review focuses on the mechanisms and the current clinical evidence supporting the use of SGLT2i in HF patients with T2DM. Moreover, the SGLT2i pharmacokinetic and pharmacodynamic properties will be presented in order to better understand the rationale and the design of the ongoing clinical trials investigating directly the effect of this new class of drugs in patients with HF, even independently from T2DM. Expert opinion: SGLT2i are emerging as an effective and safe therapy for the treatment of T2DM and current evidence has unexpectedly demonstrated a robust cardiovascular protection in HF patients with T2DM. Therefore, ongoing clinical trials are investigating directly the effect of this new class of drugs in patients with HF, even independently from T2DM. However, it is methodologically disappointing that the mechanisms underlying the encouraging results in cardiovascular protection of this drug class are still not fully understood. A better understanding of the pharmacokinetic and pharmacodynamic properties of SGLT2i is necessary in order to better determine the effect of this new class of drugs in patients with HF.
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Affiliation(s)
- Mattia Galli
- a Department of Cardiovascular and Thoracic Sciences , Fondazione Policlinico Universitario A. Gemelli, IRCCS, Università Cattolica del Sacro Cuore , Rome , Italy
| | - Domenico D'Amario
- a Department of Cardiovascular and Thoracic Sciences , Fondazione Policlinico Universitario A. Gemelli, IRCCS, Università Cattolica del Sacro Cuore , Rome , Italy
| | - Carmelo Sofia
- a Department of Cardiovascular and Thoracic Sciences , Fondazione Policlinico Universitario A. Gemelli, IRCCS, Università Cattolica del Sacro Cuore , Rome , Italy
| | - Marcello Vaccarella
- a Department of Cardiovascular and Thoracic Sciences , Fondazione Policlinico Universitario A. Gemelli, IRCCS, Università Cattolica del Sacro Cuore , Rome , Italy
| | - Filippo Crea
- a Department of Cardiovascular and Thoracic Sciences , Fondazione Policlinico Universitario A. Gemelli, IRCCS, Università Cattolica del Sacro Cuore , Rome , Italy
| | - Nadia Aspromonte
- a Department of Cardiovascular and Thoracic Sciences , Fondazione Policlinico Universitario A. Gemelli, IRCCS, Università Cattolica del Sacro Cuore , Rome , Italy
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21
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Morgunov LY. DIABETES MELLITUS IN PATIENTS WITH LIVER CIRRHOSIS: NEW TREATMENT OPTIONS. RESEARCH'N PRACTICAL MEDICINE JOURNAL 2017. [DOI: 10.17709/2409-2231-2017-4-3-7] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.1] [Reference Citation Analysis] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 12/25/2022]
Abstract
In economically developed countries, cirrhosis is one of the six leading causes of death at the age of 35–60 years and ranges from 14 to 30 cases per 100000 population. In the world 40 million people die of cirrhosis each year. At 6% of the population of the Russian Federation there is a diabetes mellitus. The combination of diabetes mellitus in patients with cirrhosis of the liver is a common comorbid pathology. Diabetes mellitusis a risk factor for the development of liver cirrhosis, and the incidence of combination of both diseases is quite high, although the frequency of occurrence varies. About 80% of patients with LC may have impaired glucose metabolism, and 30% have diabetes mellitus. Prospective studies have shown that diabetes is associated with an increased risk of developing hepatic complications and death in patients with cirrhosis of the liver. Diabetes mellitus increases the risk of complications of liver cirrhosis of any etiology (varicose veins of the esophagus, hepatic encephalopathy, hepatic-cell insufficiency) and subsequent survival. The incidence, frequency of hospitalizations and mortality from this combined pathology are very high. There are common mechanisms that provoke metabolic and autoimmune disorders in the development of chronic hepatitis and cirrhosis, leading to steatosis, insulin resistance, impaired glucose tolerance and the development of diabetes mellitus. There are certain features of the evaluation of the compensation of carbohydrate metabolism in patients with cirrhosis of the liver, anemia and impaired protein metabolism. Effective control of glycemia can have a beneficial effect on the treatment of these patients. However, few studies have evaluated the efficacy and safety of antidiabetic drugs and the effect of diabetes treatment on morbidity and mortality in patients with cirrhosis. Previously it was believed that in the presence of cirrhosis the only treatment remains insulin. At present, in connection with the emergence of modern groups of hypoglycemic drugs, as well as new approaches to the treatment of type 2 diabetes, this concept has radically changed. Unfortunately, the issues of correction of carbohydrate metabolism in patients with cirrhosis of the liver are practically not covered in the world literature. This article deals with the correction of carbohydrate metabolism in patients with cirrhosis and hepatocellular insufficiency of insulin analogs, biguanides, drugs with incretin effect — dipeptidyl peptidase‑4 inhibitors, agonists of glucagon-like peptide‑1, inhibitors of sodium-glucose cotransporter 2 diabetes. Particular attention is paid to the development of hepatocellular insufficiency and portal hypertension in patients with cirrhosis and type 2 diabetes, as well as processes for their prevention and insulin alternative correction methods.
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Ayoub BM, Mowaka S, Elzanfaly ES, Ashoush N, Elmazar MM, Mousa SA. Pharmacokinetic Evaluation of Empagliflozin in Healthy Egyptian Volunteers Using LC-MS/MS and Comparison with Other Ethnic Populations. Sci Rep 2017; 7:2583. [PMID: 28566743 PMCID: PMC5451423 DOI: 10.1038/s41598-017-02895-7] [Citation(s) in RCA: 18] [Impact Index Per Article: 2.6] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/27/2017] [Accepted: 04/18/2017] [Indexed: 01/05/2023] Open
Abstract
The present study considered the pharmacokinetic evaluation of empagliflozin after administration to Egyptian volunteers, and the results were compared with other ethnic populations. The FDA recognizes that standard methods of defining racial subgroups are necessary to compare results across pharmacokinetic studies and to assess potential subgroup differences. The design of the study was as an open labeled, randomized, one treatment, one period, single dose pharmacokinetic study. The main pharmacokinetic parameters estimated were Cmax, Tmax, t1/2, elimination rate constant, AUC0-t and AUC0-inf. The insignificant difference in pharmacokinetic parameters between Egyptians and white German subjects suggests that no dose adjustment should be considered with administration of 25 mg empagliflozin to Egyptian population. A new LC-MS/MS method was developed and validated, allowing sensitive estimation of empagliflozin (25–600 ng mL−1) in human plasma using dapagliflozin as an internal standard (IS). The method was applied successfully on the underlying pharmacokinetic study with enhanced sample preparation that involved liquid-liquid extraction. Multiple Reaction Monitoring (MRM) of the transition pairs of m/z 449.01 to 371.21 for empagliflozin and m/z 407.00 to 328.81 for dapagliflozin (IS) was employed utilizing negative mode Electro Spray Ionization (ESI). The validated LC-MS/MS method is suitable for further toxicodynamic and bioequivalence studies.
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Affiliation(s)
- Bassam M Ayoub
- Pharmaceutical Chemistry Department, Faculty of Pharmacy, The British University in Egypt, El-Sherouk city, Cairo, Egypt. .,The Center for Drug Research and Development (CDRD), Faculty of Pharmacy, The British University in Egypt, El-Sherouk city, Cairo, Egypt.
| | - Shereen Mowaka
- Pharmaceutical Chemistry Department, Faculty of Pharmacy, The British University in Egypt, El-Sherouk city, Cairo, Egypt.,The Center for Drug Research and Development (CDRD), Faculty of Pharmacy, The British University in Egypt, El-Sherouk city, Cairo, Egypt.,Analytical Chemistry Department, Faculty of Pharmacy, Helwan University, Ein Helwan, Cairo, Egypt
| | - Eman S Elzanfaly
- Analytical Chemistry Department, Faculty of Pharmacy, Cairo University, Kasr El-Aini St., Cairo, Egypt.,The Center of Applied Research and Advanced Studies (CARAS), Faculty of Pharmacy, Cairo University, Kasr El-Aini St., Cairo, Egypt
| | - Nermeen Ashoush
- The Center for Drug Research and Development (CDRD), Faculty of Pharmacy, The British University in Egypt, El-Sherouk city, Cairo, Egypt.,Clinical Pharmacy and Pharmacy Practice Department, Faculty of Pharmacy, The British University in Egypt, El-Sherouk city, Cairo, Egypt
| | - Mohamed M Elmazar
- The Center for Drug Research and Development (CDRD), Faculty of Pharmacy, The British University in Egypt, El-Sherouk city, Cairo, Egypt.,Pharmacology Department, Faculty of Pharmacy, The British University in Egypt, El-Sherouk city, Cairo, Egypt
| | - Shaker A Mousa
- The Pharmaceutical Research Institute, Albany College of Pharmacy and Health Sciences, Rensselaer, NY, United States
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23
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Bhole R, Wankhede S, pandey M. Stability Indicating HPTLC Method for Simultaneous Estimation of Empagliflozin and Linagliptin in Pharmaceutical Formulation. ACTA ACUST UNITED AC 2017. [DOI: 10.1080/22297928.2017.1279567] [Citation(s) in RCA: 17] [Impact Index Per Article: 2.4] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/14/2023]
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24
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Gangopadhyay KK, Singh P. Consensus Statement on Dose Modifications of Antidiabetic Agents in Patients with Hepatic Impairment. Indian J Endocrinol Metab 2017; 21:341-354. [PMID: 28459036 PMCID: PMC5367241 DOI: 10.4103/ijem.ijem_512_16] [Citation(s) in RCA: 35] [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] [Indexed: 02/07/2023] Open
Abstract
Liver disease is an important cause of mortality in type 2 diabetes mellitus (T2DM). It is estimated that diabetes is the most common cause of liver disease in the United States. Virtually, entire spectrum of liver disease is seen in T2DM including abnormal liver enzymes, nonalcoholic fatty liver disease, cirrhosis, hepatocellular carcinoma, and acute liver failure. The treatment of diabetes mellitus (DM) in cirrhotic patients has particular challenges as follows: (1) about half the patients have malnutrition; (2) patients already have advanced liver disease when clinical DM is diagnosed; (3) most of the oral antidiabetic agents (ADAs) are metabolized in the liver; (4) patients often have episodes of hypoglycemia. The aim of this consensus group convened during the National Insulin Summit 2015, Puducherry, was to focus on the challenges with glycemic management, with particular emphasis to safety of ADAs across stages of liver dysfunction. Published literature, product labels, and major clinical guidelines were reviewed and summarized. The drug classes included are biguanides (metformin), the second- or third-generation sulfonylureas, alpha-glucosidase inhibitors, thiazolidinediones, dipeptidyl peptidase-4 inhibitors, sodium-glucose co-transporter 2 inhibitors, glucagon-like peptide-1 receptor agonists, and currently available insulins. Consensus recommendations have been drafted for glycemic targets and dose modifications of all ADAs. These can aid clinicians in managing patients with diabetes and liver disease.
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Affiliation(s)
| | - Parminder Singh
- Division of Endocrinology, Dayanand Medical College and Hospital, Ludhiana, Punjab, India
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Levine MJ. Empagliflozin for Type 2 Diabetes Mellitus: An Overview of Phase 3 Clinical Trials. Curr Diabetes Rev 2017; 13:405-423. [PMID: 27296042 PMCID: PMC5543566 DOI: 10.2174/1573399812666160613113556] [Citation(s) in RCA: 32] [Impact Index Per Article: 4.6] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 02/17/2016] [Revised: 06/03/2016] [Accepted: 06/08/2016] [Indexed: 02/08/2023]
Abstract
INTRODUCTION Sodium glucose cotransporter 2 (SGLT2) inhibitors have a unique mechanism of action leading to excretion of glucose in the urine and subsequent lowering of plasma glucose. This mechanism is independent of β-cell function; thus, these agents are effective treatment for type 2 diabetes mellitus (T2DM) at theoretically any disease stage. This class should not confer an additional risk of hypoglycemia (unless combined with insulin or an insulin secretagogue) and has the potential to be combined with other classes of glucose-lowering agents. Empagliflozin is one of three currently approved SGLT2 inhibitors in the United States, and has shown a favorable benefit-risk ratio in phase 3 clinical trials as monotherapy and as add-on to other glucose-lowering therapy in broad patient populations. In addition to its glucose-lowering effects, empagliflozin has been shown to reduce body weight and blood pressure without a compensatory increase in heart rate. Moreover, on top of standard of care, empagliflozin is the first glucoselowering agent to demonstrate cardiovascular risk reduction in patients at high risk of cardiovascular disease in a prospective outcomes trial: a 14% reduction in risk of the 3-point composite endpoint of death from cardiovascular causes, nonfatal myocardial infarction, or nonfatal stroke. Like other SGLT2 inhibitors, empagliflozin is associated with a higher rate of genital mycotic infections than placebo and has the potential for volume depletion-associated events. CONCLUSION This review summarizes the empagliflozin phase 3 clinical trials program and its potential significance in the treatment of patients with T2DM. Evidence from these clinical trials show reductions in glycated hemoglobin (-0.59 to -0.82%) with a low risk of hypoglycemia except when used with insulin or insulin secretagogues, and moderate reductions in body weight (-2.1 to - 2.5 kg) and systolic blood pressure (-2.9 to -5.2 mm Hg), thus supporting the use of empagliflozin as monotherapy or in addition to other glucose-lowering agents. In addition, evidence from the recent EMPA-REG OUTCOME study, which demonstrated relative risk reductions in major adverse cardiac events (14%), cardiovascular mortality (38%) and all-cause mortality (32%), as well as hospitalization for heart failure (36%), supports use of empagliflozin in patients with T2DM and increased cardiovascular risk.
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Affiliation(s)
- Matthew J. Levine
- Scripps Clinic, Division of Diabetes/Endocrinology; Endocrinology Fellowship Director, Scripps Clinic/Scripps Green Hospital; Voluntary Assistant Clinical Professor of Medicine, UC San Diego School of Medicine; La Jolla, CA, USA
| | - F.A.C.E.
- Scripps Clinic, Division of Diabetes/Endocrinology; Endocrinology Fellowship Director, Scripps Clinic/Scripps Green Hospital; Voluntary Assistant Clinical Professor of Medicine, UC San Diego School of Medicine; La Jolla, CA, USA
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Tomlinson B, Hu M, Zhang Y, Chan P, Liu ZM. Evaluation of the pharmacokinetics, pharmacodynamics and clinical efficacy of empagliflozin for the treatment of type 2 diabetes. Expert Opin Drug Metab Toxicol 2016; 13:211-223. [PMID: 27817207 DOI: 10.1080/17425255.2017.1258401] [Citation(s) in RCA: 12] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/27/2022]
Abstract
INTRODUCTION Sodium-glucose co-transporter 2 (SGLT2) inhibitors are the latest class of drugs to be introduced for the treatment of type 2 diabetes mellitus. These drugs improve glycemic control by increasing urinary glucose excretion and exert additional benefits of weight loss and blood pressure reductions. Areas covered: This review outlines the background to SGLT2 inhibitors and provides details on the pharmacokinetics, pharmacodynamics and clinical efficacy of empagliflozin and discusses the cardiovascular outcome trial. Expert opinion: Empagliflozin was the first from a new group of antidiabetic drugs to show benefits in a cardiovascular outcome trial. There were significant reductions in cardiovascular and all-cause mortality and empagliflozin treatment reduced hospitalizations for heart failure and reduced the progression of diabetic nephropathy. These benefits, which occurred at a very early stage during the study, may be related to a reduction in circulating volume or changes in metabolic fuel utilization in the heart and kidneys. Whether these effects are shared by other SGLT2 inhibitors is not yet known, but there may be differences between drugs related to selectivity for inhibition of SGLT2 compared to SGLT1 or other pharmacological effects. Currently the outcome evidence is only available to support the use of empagliflozin in this drug class.
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Affiliation(s)
- Brian Tomlinson
- a Research Center for Translational Medicine , Shanghai East Hospital, Tongji University School of Medicine , Shanghai , China.,b Department of Medicine & Therapeutics , The Chinese University of Hong Kong , Shatin , Hong Kong
| | - Miao Hu
- b Department of Medicine & Therapeutics , The Chinese University of Hong Kong , Shatin , Hong Kong
| | - Yuzhen Zhang
- a Research Center for Translational Medicine , Shanghai East Hospital, Tongji University School of Medicine , Shanghai , China
| | - Paul Chan
- c Division of Cardiology, Department of Internal Medicine, Wan Fang Hospital , Taipei Medical University , Taipei City , Taiwan
| | - Zhong-Min Liu
- d Department of Cardiac Surgery, Shanghai East Hospital , Tongji University , Shanghai , China
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Abstract
Empagliflozin/linagliptin (Glyxambi(®)) is a once-daily sodium glucose co-transporter type 2 (SGLT2) inhibitor and dipeptidyl peptidase (DPP)-4 inhibitor fixed-dose combination product that is approved in the USA as an adjunct to diet and exercise in adults with type 2 diabetes (T2D) when treatment with both empagliflozin and linagliptin is appropriate. This article reviews the clinical efficacy and tolerability of oral empagliflozin/linagliptin in patients with T2D and summarizes the pharmacological properties of the agents. Results of two randomized controlled trials of 52 weeks' duration in adults with T2D demonstrated that empagliflozin/linagliptin improved glycaemic control significantly more than linagliptin when administered as initial therapy (whereas results vs. empagliflozin were mixed in this setting) and significantly more than linagliptin or empagliflozin when administered as an add-on therapy to metformin. In addition to glycaemic control, empagliflozin/linagliptin provided significant weight loss compared with linagliptin in both trials. Empagliflozin/linagliptin was generally well tolerated in patients with T2D, with a low risk of hypoglycaemia and no reports of exacerbations of, or hospitalizations for, heart failure during the trials. As the first SGLT2 inhibitor/DPP-4 inhibitor fixed-dose combination available, empagliflozin/linagliptin is a useful new option for patients with T2D.
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Affiliation(s)
- Esther S Kim
- Springer, Private Bag 65901, Mairangi Bay 0754, Auckland, New Zealand,
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Munir KM, Davis SN. Differential pharmacology and clinical utility of empagliflozin in type 2 diabetes. Clin Pharmacol 2016; 8:19-34. [PMID: 27186083 PMCID: PMC4847607 DOI: 10.2147/cpaa.s77754] [Citation(s) in RCA: 4] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/02/2023] Open
Abstract
With rates of obesity and diabetes rising across the world, effective therapies to treat hyperglycemia and its associated comorbidities continue to be in demand. Empagliflozin is a highly selective sodium glucose transporter-2 inhibitor that improves serum glucose levels by inducing glucosuria. Taken orally, it is rapidly absorbed with linear pharmacokinetics consistent in Asian and Caucasian populations. Empagliflozin treatment demonstrates consistent reductions in hemoglobin A1c, fasting plasma glucose, body weight, and blood pressure in individuals with type 2 diabetes. Improvements in glycemic control and metabolic end points are evident with empagliflozin monotherapy, as add-on to oral hypoglycemics or add-on to insulin. The nonglycemic effects of empagliflozin with consistent improvements in blood pressure, body weight, and waist circumference provide additional rationale for use in patients with type 2 diabetes. Moreover, treatment with empagliflozin has recently shown significant reductions in both microvascular and macrovascular complications of diabetes.
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Affiliation(s)
- Kashif M Munir
- Division of Endocrinology, Diabetes, and Nutrition, Center for Diabetes and Endocrinology, University of Maryland School of Medicine, Baltimore, MD, USA
| | - Stephen N Davis
- Department of Medicine, University of Maryland School of Medicine, Baltimore, MD, USA
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García-Compeán D, González-González JA, Lavalle-González FJ, González-Moreno EI, Maldonado-Garza HJ, Villarreal-Pérez JZ. The treatment of diabetes mellitus of patients with chronic liver disease. Ann Hepatol 2015; 14:780-8. [PMID: 26436350 DOI: 10.5604/16652681.1171746] [Citation(s) in RCA: 35] [Impact Index Per Article: 3.9] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 02/05/2023]
Abstract
About 80% of patients with liver cirrhosis may have glucose metabolism disorders, 30% show overt diabetes mellitus (DM). Prospective studies have demonstrated that DM is associated with an increased risk of hepatic complications and death in patients with liver cirrhosis. DM might contribute to liver damage by promoting inflammation and fibrosis through an increase in mitochondrial oxidative stress mediated by adipokines. Based on the above mentioned the effective control of hyperglycemia may have a favorable impact on the evolution of these patients. However, only few therapeutic studies have evaluated the effectiveness and safety of antidiabetic drugs and the impact of the treatment of DM on morbidity and mortality in patients with liver cirrhosis. In addition, oral hypoglycemic agents and insulin may produce hypoglycemia and lactic acidosis, as most of these agents are metabolized by the liver. This review discusses the clinical implications of DM in patients with chronic liver disease. In addition the effectiveness and safety of old, but particularly the new antidiabetic drugs will be described based on pharmacokinetic studies and chronic administration to patients. Recent reports regarding the use of the SGLT2 inhibitors as well as the new incretin-based therapies such as injectable glucagon-like peptide-1 (GLP-1) receptor agonists and oral inhibitors of dipeptidylpeptidase-4 (DPP-4) will be discussed. The establishment of clear guidelines for the management of diabetes in patients with CLD is strongly required.
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Affiliation(s)
- Diego García-Compeán
- Gastroenterology Service, University Hospital Dr. José E. González and Medical School
| | | | - Fernando J Lavalle-González
- Endocrinology Service and Department of Internal Medicine, University Hospital Dr. José E. González and Medical School. Universidad Autónoma de Nuevo León, Monterrey, Mexico
| | | | | | - Jesús Zacarías Villarreal-Pérez
- Endocrinology Service and Department of Internal Medicine, University Hospital Dr. José E. González and Medical School. Universidad Autónoma de Nuevo León, Monterrey, Mexico
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Shubrook JH, Bokaie BB, Adkins SE. Empagliflozin in the treatment of type 2 diabetes: evidence to date. Drug Des Devel Ther 2015; 9:5793-803. [PMID: 26586935 PMCID: PMC4634822 DOI: 10.2147/dddt.s69926] [Citation(s) in RCA: 41] [Impact Index Per Article: 4.6] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/18/2022] Open
Abstract
In the last decade, researchers have gained a greater understanding of the pathophysiologic mechanisms of type 2 diabetes as a chronic and progressive disease. One of the more recent treatment targets is the kidney. The kidneys become maladaptive in diabetes by increasing the reabsorption of glucose above the normal physiologic renal threshold. This discovery has led to the development of the sodium/glucose cotransporter 2 inhibitors (SGLT2). These agents readjust the renal threshold for glucose reabsorption to a lower level and decrease glucose reabsorption, while increasing urinary glucose when the glucose is above the renal threshold and subsequently lowering plasma glucose. The mechanism of action of the SGLT2 inhibitors is insulin independent, which makes them a novel treatment of diabetes. At the time of preparation of this manuscript, there were three SGLT2 inhibitors available in the US. This manuscript focuses on empagliflozin, the newest SGLT2 inhibitor, the trials in its development, and the clinical data available to date. Further, the authors propose future applications of empagliflozin, including in the treatment of type 1 diabetes, and its potential role in renoprotection.
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Affiliation(s)
- Jay H Shubrook
- Primary Care Department, Clinical Research and Diabetes Services, Touro University College of Osteopathic Medicine, Vallejo, CA, USA
| | | | - Sarah E Adkins
- Pharmacy Practice and Administration, College of Pharmacy, Ohio State University, Athens, OH, USA
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Pharmacodynamics, efficacy and safety of sodium-glucose co-transporter type 2 (SGLT2) inhibitors for the treatment of type 2 diabetes mellitus. Drugs 2015; 75:33-59. [PMID: 25488697 DOI: 10.1007/s40265-014-0337-y] [Citation(s) in RCA: 343] [Impact Index Per Article: 38.1] [Reference Citation Analysis] [Abstract] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/11/2022]
Abstract
Inhibitors of sodium-glucose co-transporter type 2 (SGLT2) are proposed as a novel approach for the management of type 2 diabetes mellitus (T2DM). Several compounds are already available in many countries (dapagliflozin, canagliflozin, empagliflozin and ipragliflozin) and some others are in a late phase of development. The available SGLT2 inhibitors share similar pharmacokinetic characteristics, with a rapid oral absorption, a long elimination half-life allowing once-daily administration, an extensive hepatic metabolism mainly via glucuronidation to inactive metabolites, the absence of clinically relevant drug-drug interactions and a low renal elimination as parent drug. SGLT2 co-transporters are responsible for reabsorption of most (90 %) of the glucose filtered by the kidneys. The pharmacological inhibition of SGLT2 co-transporters reduces hyperglycaemia by decreasing renal glucose threshold and thereby increasing urinary glucose excretion. The amount of glucose excreted in the urine depends on both the level of hyperglycaemia and the glomerular filtration rate. Results of numerous placebo-controlled randomised clinical trials of 12-104 weeks duration have shown significant reductions in glycated haemoglobin (HbA1c), resulting in a significant increase in the proportion of patients reaching HbA1c targets, and a significant lowering of fasting plasma glucose when SGLT2 inhibitors were administered as monotherapy or in addition to other glucose-lowering therapies including insulin in patients with T2DM. In head-to-head trials of up to 2 years, SGLT2 inhibitors exerted similar glucose-lowering activity to metformin, sulphonylureas or sitagliptin. The durability of the glucose-lowering effect of SGLT2 inhibitors appears to be better; however, this remains to be more extensively investigated. The risk of hypoglycaemia was much lower with SGLT2 inhibitors than with sulphonylureas and was similarly low as that reported with metformin, pioglitazone or sitagliptin. Increased renal glucose elimination also assists weight loss and could help to reduce blood pressure. Both effects were very consistent across the trials and they represent some advantages for SGLT2 inhibitors when compared with other oral glucose-lowering agents. The pharmacodynamic response to SGLT2 inhibitors declines with increasing severity of renal impairment, and prescribing information for each SGLT2 inhibitor should be consulted regarding dosage adjustments or restrictions in moderate to severe renal dysfunction. Caution is also recommended in the elderly population because of a higher risk of renal impairment, orthostatic hypotension and dehydration, even if the absence of hypoglycaemia represents an obvious advantage in this population. The overall effect of SGLT2 inhibitors on the risk of cardiovascular disease is unknown and will be evaluated in several ongoing prospective placebo-controlled trials with cardiovascular outcomes. The impact of SGLT2 inhibitors on renal function and their potential to influence the course of diabetic nephropathy also deserve more attention. SGLT2 inhibitors are generally well-tolerated. The most frequently reported adverse events are female genital mycotic infections, while urinary tract infections are less commonly observed and generally benign. In conclusion, with their unique mechanism of action that is independent of insulin secretion and action, SGLT2 inhibitors are a useful addition to the therapeutic options available for the management of T2DM at any stage in the natural history of the disease. Although SGLT2 inhibitors have already been extensively investigated, further studies should even better delineate the best place of these new glucose-lowering agents in the already rich armamentarium for the management of T2DM.
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32
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Abstract
Oral empagliflozin (Jardiance(®)), a sodium glucose cotransporter-2 (SGLT2) inhibitor, is a convenient once-daily treatment for adult patients with type 2 diabetes mellitus. By inhibiting reabsorption of glucose from the proximal tubules in the kidney via inhibition of SGLT2, empagliflozin provides a novel insulin-independent mechanism of lowering blood glucose. In several phase III trials (≤104 weeks' duration; typically 24 weeks' duration) and extension studies (typically ≥76 weeks' treatment), empagliflozin monotherapy or add-on therapy to other antihyperglycaemics, including insulin, improved glycaemic control and reduced bodyweight and systolic blood pressure in adult patients with type 2 diabetes. In a large phase III trial, as add-on therapy to metformin, empagliflozin was shown to be noninferior to glimepiride at 52 and 104 weeks and superior to glimepiride at 104 weeks, in terms of reductions in glycated haemoglobin level (primary endpoint). Empagliflozin was well tolerated by participants in these clinical trials, with most adverse events being mild or moderate in intensity. Empagliflozin treatment appeared to have no intrinsic risk of hypoglycaemia, although hypoglycaemia occurred more frequently when empagliflozin was coadministered with insulin and/or a sulfonylurea. With its insulin-independent mechanism of action, empagliflozin monotherapy or combination therapy with other antidiabetic drugs, including insulin, provides a useful addition to the therapeutic options for the management of type 2 diabetes. This article reviews the pharmacological properties and clinical use of empagliflozin in patients with type 2 diabetes.
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Hedrington MS, Davis SN. The role of empagliflozin in the management of type 2 diabetes by patient profile. Ther Clin Risk Manag 2015; 11:739-49. [PMID: 25999725 PMCID: PMC4427256 DOI: 10.2147/tcrm.s71762] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/18/2022] Open
Abstract
Current recommendations for the management of type 2 diabetes mellitus (T2DM) include patient-centered approach, ie, targeting glycemic control based on patient and disease characteristics. Ten different classes of oral and injectable anti-hyperglycemic agents have been developed for T2DM, including the newest class – sodium–glucose cotransporter 2 (SGLT2) inhibitors. Four members of the class with comparable glycemic efficacy and side effects have gained approval in the US and the rest of the world. This review covers empagliflozin – third approved SGLT2 inhibitor in the US. The drug has shown rapid absorption reaching peak levels in ~2 hours and an elimination half-life of ~13 hours. Empagliflozin is a highly selective SGLT2 inhibitor with 2600-fold higher affinity for SGLT2 compared with SGLT1. Oral administration results in a dose-dependent inhibition of the transporters with increased urinary glucose excretion and resultant reduction in plasma glucose. Its efficacy and safety have been shown in a number of studies conducted in many countries. Across the trials, significant improvements in primary and secondary efficacy end points have been demonstrated, including reductions in HbA1c (~−0.8%), fasting plasma glucose (~−2 mmol/L), body weight (~−2 kg), and blood pressure (systolic −4 mmHg and diastolic −2 mmHg). Similar to other SGLT2 inhibitors, empagliflozin does not increase the risk for hypoglycemia, and the most commonly reported side effects are urinary and genital tract infections. Although empagliflozin can be used as the first-line monotherapy, its current place in the treatment of T2DM appears to be as an add-on to other oral anti-hyperglycemic agent(s) or insulin at any stage of the disease.
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Affiliation(s)
- Maka S Hedrington
- Department of Medicine, University of Maryland School of Medicine, Baltimore, MD, USA
| | - Stephen N Davis
- Department of Medicine, University of Maryland School of Medicine, Baltimore, MD, USA
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Abstract
Sodium glucose cotransporter type 2 (SGLT2) inhibitors are a new class of drug developed to treat type 2 diabetes mellitus (T2DM). They target the kidney by reducing renal glucose reabsorption and promoting urinary glucose excretion, which reduces hyperglycemia in individuals with T2DM. The SGLT2 inhibitor empagliflozin has gained approval in the EU and in the USA for the treatment of adults with T2DM (there is no current indication in type 1 diabetes). Empagliflozin has shown a good efficacy and safety profile from clinical trials when given as monotherapy, and as an add-on therapy to other glucose-lowering agents. This short commentary reviews the key efficacy and safety data from empagliflozin phase III trials and examines the potential role this agent may have in the management of T2DM.
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Affiliation(s)
- Deborah Hinnen
- Memorial Hospital Diabetes Center University of Colorado Health 175 S. Union Boulevard, Suite 305 Colorado Springs, CO 80910 USA
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35
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White JR. Empagliflozin, an SGLT2 Inhibitor for the Treatment of Type 2 Diabetes Mellitus. Ann Pharmacother 2015; 49:582-98. [DOI: 10.1177/1060028015573564] [Citation(s) in RCA: 19] [Impact Index Per Article: 2.1] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/12/2022] Open
Abstract
Objective: To review available studies of empagliflozin, a sodium glucose co-transporter-2 (SGLT2) inhibitor approved in 2014 by the European Commission and the United States Food and Drug Administration for the treatment of type 2 diabetes mellitus (T2DM). Data Sources: PubMed was searched using the search terms empagliflozin, BI 10773, and BI10773, for entries between January 1, 2000, and December 1, 2014. Reference lists from retrieved articles were searched manually for additional peer-reviewed publications. Study Selection and Data Extraction: All publications reporting clinical trials of empagliflozin were eligible for inclusion. Data Synthesis: Empagliflozin is a new once-daily oral SGLT2 inhibitor with a mechanism of action that is independent of β-cell function and the insulin pathway. Data from a comprehensive phase III clinical trial program have demonstrated its efficacy as monotherapy, as add-on to other glucose-lowering agents, and in different patient populations. In these studies, empagliflozin resulted in improvements in blood glucose levels as well as reductions in body weight and blood pressure. Empagliflozin was well tolerated and was not associated with an increased risk of hypoglycemia versus placebo. Conclusion: The oral antidiabetes agent, empagliflozin, can be used as monotherapy or alongside other glucose-lowering treatments, including insulin, to treat T2DM.
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He ZX, Zhou ZW, Yang Y, Yang T, Pan SY, Qiu JX, Zhou SF. Overview of clinically approved oral antidiabetic agents for the treatment of type 2 diabetes mellitus. Clin Exp Pharmacol Physiol 2015; 42:125-38. [DOI: 10.1111/1440-1681.12332] [Citation(s) in RCA: 40] [Impact Index Per Article: 4.4] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/04/2013] [Revised: 09/22/2014] [Accepted: 10/14/2014] [Indexed: 01/14/2023]
Affiliation(s)
- Zhi-Xu He
- Guizhou Provincial Key Laboratory for Regenerative Medicine; Stem Cell and Tissue Engineering Research Center & Sino-US Joint Laboratory for Medical Sciences; Guiyang Medical University; Guiyang China
| | - Zhi-Wei Zhou
- Department of Pharmaceutical Sciences; College of Pharmacy; University of South Florida; Tampa FL USA
| | - Yinxue Yang
- Department of Colorectal Surgery; General Hospital of Ningxia Medical University; Yinchuan China
| | - Tianxin Yang
- Department of Internal Medicine; University of Utah and Salt Lake Veterans Affairs Medical Center; Salt Lake City UT USA
| | - Si-Yuan Pan
- Department of Chinese Medicinal Pharmacology; School of Chinese Materia Medica; Beijing University of Chinese Medicine; Beijing China
| | - Jia-Xuan Qiu
- Department of Oral and Maxillofacial Surgery; The First Affiliated Hospital of Nanchang University; Nanchang China
| | - Shu-Feng Zhou
- Department of Pharmaceutical Sciences; College of Pharmacy; University of South Florida; Tampa FL USA
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Chen LZ, Jungnik A, Mao Y, Philip E, Sharp D, Unseld A, Seman L, Woerle HJ, Macha S. Biotransformation and mass balance of the SGLT2 inhibitor empagliflozin in healthy volunteers. Xenobiotica 2014; 45:520-9. [PMID: 25547626 DOI: 10.3109/00498254.2014.999141] [Citation(s) in RCA: 15] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/20/2022]
Abstract
1. The absorption, biotransformation and excretion of empagliflozin, an SGLT2 inhibitor, were evaluated in eight healthy subjects following a single 50 mg oral dose of empagliflozin containing ∼100 µCi [(14)C]-empagliflozin. 2. Radioactivity was rapidly absorbed, with plasma levels peaking 1 h post-dose. Total exposure was lower in blood versus plasma, consistent with moderate (28.6-36.8%) red blood cell partitioning. Protein binding was 80.3-86.2%. 3. Most of the radioactive dose was recovered in urine (54.4%) and faeces (41.1%). Unchanged empagliflozin was the most abundant drug-related component in plasma, representing 75.5-77.4% of plasma radioactivity and 79.6% plasma radioactivity AUC0-12 h. Unchanged empagliflozin was the most abundant drug-related component in urine and faeces, representing 43.5% (23.7% of dose) and 82.9% (34.1% of dose) of radioactivity in urine and faeces, respectively. Six metabolites were identified in plasma: three glucuronide conjugates representing 4.7-7.1% of AUC0-12 h and three less abundant metabolites (<0.2-1.9% AUC0-12 h). The most abundant metabolites in urine were two glucuronide conjugates (7.8-13.2% of dose) and in faeces was a tetrahydrofuran ring-opened carboxylic acid metabolite (1.9% of dose). 4. To conclude, empagliflozin was rapidly absorbed and excreted primarily unchanged in urine and faeces. Unchanged parent was the major drug-related component in plasma. Metabolism was primarily via glucuronide conjugation.
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Affiliation(s)
- Lin-Zhi Chen
- Boehringer Ingelheim Pharmaceuticals, Inc. , Ridgefield, CT , USA
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38
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Abstract
INTRODUCTION Despite the availability of numerous anti-diabetes drugs and treatment guidelines, many patients with type 2 diabetes mellitus (T2DM) do not reach recommended targets for glycemic control. There remains an unmet need for effective and well-tolerated anti-diabetes agents that can be used as monotherapy or in combination with other therapies to improve glycemic control in patients with T2DM. Sodium glucose cotransporter 2 (SGLT2) inhibitors are a new class of treatment for T2DM that reduce hyperglycemia by reducing renal glucose reabsorption and thereby increasing urinary glucose excretion. AREAS COVERED This paper reviews the pharmacokinetic and pharmacodynamic properties of the SGLT2 inhibitor empagliflozin , the results of clinical trials investigating the efficacy of empagliflozin given as monotherapy or as add-on therapy on glycemic control, body weight, and blood pressure in patients with T2DM, and the safety and tolerability profile of empagliflozin. EXPERT OPINION Empagliflozin offers good glycemic efficacy, weight loss, blood pressure reduction, and a low risk of hypoglycemia. These attributes, coupled with the ability to be used in virtually any combination with other anti-diabetes agents and at any stage in the disease process, provide a welcome new agent to our armamentarium of drugs to help manage T2DM.
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Affiliation(s)
- Vidhya Jahagirdar
- Heart of England NHS Foundation Trust, Department of Diabetes and Endocrinology , Birmingham , UK
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39
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Neumiller JJ. Empagliflozin: a new sodium-glucose co-transporter 2 (SGLT2) inhibitor for the treatment of type 2 diabetes. Drugs Context 2014; 3:212262. [PMID: 24991224 PMCID: PMC4079288 DOI: 10.7573/dic.212262] [Citation(s) in RCA: 26] [Impact Index Per Article: 2.6] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/04/2014] [Revised: 05/28/2014] [Accepted: 03/05/2014] [Indexed: 01/09/2023] Open
Abstract
Type 2 diabetes is increasing in prevalence worldwide, and hyperglycemia is often poorly controlled despite a number of therapeutic options. Unlike previously available agents, sodium-glucose co-transporter 2 (SGLT2) inhibitors offer an insulin-independent mechanism for improving blood glucose levels, since they promote urinary glucose excretion (UGE) by inhibiting glucose reabsorption in the kidney. In addition to glucose control, SGLT2 inhibitors are associated with weight loss and blood pressure reductions, and do not increase the risk of hypoglycemia. Empagliflozin is a selective inhibitor of SGLT2, providing dose-dependent UGE increases in healthy volunteers, with up to 90 g of glucose excreted per day. It can be administered orally, and studies of people with renal or hepatic impairment indicated empagliflozin needed no dose adjustment based on pharmacokinetics. In Phase II trials in patients with type 2 diabetes, empagliflozin provided improvements in glycosylated hemoglobin (HbA1c) and other measures of glycemic control when given as monotherapy or add-on to metformin, as well as reductions in weight and systolic blood pressure. As add-on to basal insulin, empagliflozin not only improved HbA1c levels but also reduced insulin doses. Across studies, empagliflozin was generally well tolerated with a similar rate of hypoglycemia to placebo; however, patients had a slightly increased frequency of genital infections, but not urinary tract infections, versus placebo. Phase III studies have also reported a good safety profile along with significant improvements in HbA1c, weight and blood pressure, with no increased risk of hypoglycemia versus placebo. Based on available data, it appears that empagliflozin may be a useful option in a range of patients; however, clinical decisions will be better informed by the results of ongoing studies, in particular, a large cardiovascular outcome study (EMPA-REG OUTCOME™).
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Affiliation(s)
- Joshua J Neumiller
- Department of Pharmacotherapy, College of Pharmacy, Washington State University, Spokane, WA, USA
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Hasan FM, Alsahli M, Gerich JE. SGLT2 inhibitors in the treatment of type 2 diabetes. Diabetes Res Clin Pract 2014; 104:297-322. [PMID: 24735709 DOI: 10.1016/j.diabres.2014.02.014] [Citation(s) in RCA: 91] [Impact Index Per Article: 9.1] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 01/27/2014] [Revised: 02/06/2014] [Accepted: 02/19/2014] [Indexed: 02/06/2023]
Abstract
The kidney plays an important role in glucose homeostasis via its production, utilization, and, most importantly, reabsorption of glucose from glomerular filtrate which is largely mediated via the sodium glucose co-transporter 2 (SGLT2). Pharmacological inhibition of SGLT2 increases urinary glucose excretion and decreases plasma glucose levels in an insulin-independent manner. Agents that inhibit SGLT2 represent a novel class of drugs, which has recently become available for treatment of type 2 diabetes. This article summarizes the rationale for use of these agents and reviews available clinical data on their efficacy, safety, and risks/benefits.
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Affiliation(s)
- Farhad M Hasan
- University of Virginia School of Medicine, Charlottesville, VA, USA
| | - Mazen Alsahli
- University of Toronto Faculty of Medicine, Toronto, Ontario, Canada
| | - John E Gerich
- University of Rochester School of Medicine, Rochester, NY, USA.
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McGill JB. The SGLT2 Inhibitor Empagliflozin for the Treatment of Type 2 Diabetes Mellitus: a Bench to Bedside Review. Diabetes Ther 2014; 5:43-63. [PMID: 24729157 PMCID: PMC4065283 DOI: 10.1007/s13300-014-0063-1] [Citation(s) in RCA: 32] [Impact Index Per Article: 3.2] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 01/19/2014] [Indexed: 12/14/2022] Open
Abstract
INTRODUCTION The treatment of type 2 diabetes mellitus (T2DM) continues to pose challenges for clinicians and patients. The dramatic rise in T2DM prevalence, which has paralleled the rise in obesity, has strained the healthcare system and prompted the search for therapies that not only effectively treat hyperglycemia, but are also weight neutral or promote weight loss. In most clinical situations after diagnosis, patients are advised to adopt lifestyle changes and metformin is initiated to help control blood glucose levels. However, metformin may not be tolerated, or may not be sufficient for those with higher glucose levels at diagnosis. Even among those who have initial success with metformin, the majority eventually require one or more additional agents to achieve their treatment goals. Because T2DM is a progressive disease, the requirement for combination treatment escalates over time, driving the need for therapies with complementary mechanisms of action. METHODS AND RESULTS Online public resources were searched using "empagliflozin", identifying 32 articles in PubMed, and 12 abstracts presented at the 2013 American Diabetes Association meeting. Peer-reviewed articles and abstracts describing preclinical studies and clinical trials were retrieved, and relevant publications included in this review. Trials registered on clinicaltrials.gov were searched for ongoing empagliflozin studies. CONCLUSION The sodium-glucose co-transporter 2 (SGLT2) inhibitors are of great interest since they provide a novel, insulin-independent mechanism of action. The SGLT2 inhibitor empagliflozin has demonstrated promising pharmacodynamic and pharmacokinetic properties. In clinical trials, empagliflozin has demonstrated a good efficacy and safety profile in a broad range of patients with T2DM, and appears to be an attractive adjunct therapeutic option for the treatment of T2DM. Ongoing trials, including patients with T2DM and comorbidities such as hypertension, are expected to provide important additional data, which will further define the role of empagliflozin in a growing movement toward individualized approaches to diabetes care.
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Affiliation(s)
- Janet B McGill
- Division of Endocrinology, Metabolism and Lipid Research, Washington University School of Medicine, 660 S. Euclid, Campus Box 8127, St. Louis, MO, 63110, USA,
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Scheen AJ. Pharmacokinetic and pharmacodynamic profile of empagliflozin, a sodium glucose co-transporter 2 inhibitor. Clin Pharmacokinet 2014; 53:213-225. [PMID: 24430725 PMCID: PMC3927118 DOI: 10.1007/s40262-013-0126-x] [Citation(s) in RCA: 131] [Impact Index Per Article: 13.1] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/06/2023]
Abstract
Empagliflozin is an orally active, potent and selective inhibitor of sodium glucose co-transporter 2 (SGLT2), currently in clinical development to improve glycaemic control in adults with type 2 diabetes mellitus (T2DM). SGLT2 inhibitors, including empagliflozin, are the first pharmacological class of antidiabetes agents to target the kidney in order to remove excess glucose from the body and, thus, offer new options for T2DM management. SGLT2 inhibitors exert their effects independently of insulin. Following single and multiple oral doses (0.5-800 mg), empagliflozin was rapidly absorbed and reached peak plasma concentrations after approximately 1.33-3.0 h, before showing a biphasic decline. The mean terminal half-life ranged from 5.6 to 13.1 h in single rising-dose studies, and from 10.3 to 18.8 h in multiple-dose studies. Following multiple oral doses, increases in exposure were dose-proportional and trough concentrations remained constant after day 6, indicating a steady state had been reached. Oral clearance at steady state was similar to corresponding single-dose values, suggesting linear pharmacokinetics with respect to time. No clinically relevant alterations in pharmacokinetics were observed in mild to severe hepatic impairment, or in mild to severe renal impairment and end-stage renal disease. Clinical studies did not reveal any relevant drug-drug interactions with several other drugs commonly prescribed to patients with T2DM, including warfarin. Urinary glucose excretion (UGE) rates were higher with empagliflozin versus placebo and increased with dose, but no relevant impact on 24-h urine volume was observed. Increased UGE resulted in proportional reductions in fasting plasma glucose and mean daily glucose concentrations.
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Affiliation(s)
- André J Scheen
- Division of Diabetes, Nutrition and Metabolic Disorders and Division of Clinical Pharmacology, Department of Medicine, CHU Sart Tilman (B35), University of Liège, B-4000, Liège 1, Belgium.
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