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Xie X, Wu C, Hao Y, Wang T, Yang Y, Cai P, Zhang Y, Huang J, Deng K, Yan D, Lin H. Benefits and risks of drug combination therapy for diabetes mellitus and its complications: a comprehensive review. Front Endocrinol (Lausanne) 2023; 14:1301093. [PMID: 38179301 PMCID: PMC10766371 DOI: 10.3389/fendo.2023.1301093] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Figures] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 09/24/2023] [Accepted: 11/27/2023] [Indexed: 01/06/2024] Open
Abstract
Diabetes is a chronic metabolic disease, and its therapeutic goals focus on the effective management of blood glucose and various complications. Drug combination therapy has emerged as a comprehensive treatment approach for diabetes. An increasing number of studies have shown that, compared with monotherapy, combination therapy can bring significant clinical benefits while controlling blood glucose, weight, and blood pressure, as well as mitigating damage from certain complications and delaying their progression in diabetes, including both type 1 diabetes (T1D), type 2 diabetes (T2D) and related complications. This evidence provides strong support for the recommendation of combination therapy for diabetes and highlights the importance of combined treatment. In this review, we first provided a brief overview of the phenotype and pathogenesis of diabetes and discussed several conventional anti-diabetic medications currently used for the treatment of diabetes. We then reviewed several clinical trials and pre-clinical animal experiments on T1D, T2D, and their common complications to evaluate the efficacy and safety of different classes of drug combinations. In general, combination therapy plays a pivotal role in the management of diabetes. Integrating the effectiveness of multiple drugs enables more comprehensive and effective control of blood glucose without increasing the risk of hypoglycemia or other serious adverse events. However, specific treatment regimens should be tailored to individual patients and implemented under the guidance of healthcare professionals.
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Affiliation(s)
- Xueqin Xie
- Center for Informational Biology, School of Life Science and Technology, University of Electronic Science and Technology of China, Chengdu, China
| | - Changchun Wu
- Center for Informational Biology, School of Life Science and Technology, University of Electronic Science and Technology of China, Chengdu, China
| | - Yuduo Hao
- Center for Informational Biology, School of Life Science and Technology, University of Electronic Science and Technology of China, Chengdu, China
| | - Tianyu Wang
- Center for Informational Biology, School of Life Science and Technology, University of Electronic Science and Technology of China, Chengdu, China
| | - Yuhe Yang
- Center for Informational Biology, School of Life Science and Technology, University of Electronic Science and Technology of China, Chengdu, China
| | - Peiling Cai
- School of Basic Medical Sciences, Chengdu University, Chengdu, China
| | - Yang Zhang
- Innovative Institute of Chinese Medicine and Pharmacy, Academy for Interdiscipline, Chengdu University of Traditional Chinese Medicine, Chengdu, China
| | - Jian Huang
- Center for Informational Biology, School of Life Science and Technology, University of Electronic Science and Technology of China, Chengdu, China
| | - Kejun Deng
- Center for Informational Biology, School of Life Science and Technology, University of Electronic Science and Technology of China, Chengdu, China
| | - Dan Yan
- Beijing Friendship Hospital, Capital Medical University, Beijing, China
| | - Hao Lin
- Center for Informational Biology, School of Life Science and Technology, University of Electronic Science and Technology of China, Chengdu, China
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Yan Y, Gong Y, Jiang M, Gao Y, Guo S, Huo J, Zhao Z, Li C. Utilization of glucagon-like peptide-1 receptor agonists in children and adolescents in China: a real-world study. Front Endocrinol (Lausanne) 2023; 14:1170127. [PMID: 37383395 PMCID: PMC10293789 DOI: 10.3389/fendo.2023.1170127] [Citation(s) in RCA: 4] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 02/20/2023] [Accepted: 05/29/2023] [Indexed: 06/30/2023] Open
Abstract
Background Glucagon-like peptide-1 receptor agonists (GLP-1RAs) have been widely used in treating type 2 diabetes mellitus (T2DM) and obesity in adults, but scientific research about the indication in children and adolescents is scarce. The current study aims to explore the prescriptions of GLP-1RAs in children and adolescents in China and to evaluate its rationality. Methods GLP-1RA prescriptions of children and adolescents were retrospectively obtained from the Hospital Prescription Analysis Cooperative Project. The study extracted information on patient's demographic characteristics, monotherapy and combination therapy of GLP-1RAs, and trends in GLP-1RA usage from 2016 to 2021. The rationality of GLP-1RA prescriptions was comprehensively assessed based on the indications approved by China National Medical Products Administration (NMPA), the U.S. Food and Drug Administration (FDA), European Medicines Agency (EMA), Pharmaceuticals and Medical Devices Agency (PMDA), and published randomized controlled trials (RCTs). Results A total of 234 prescriptions from 46 hospitals were included, with a median age of 17 years old. The majority of patients were diagnosed with overweight/obesity or prediabetes/diabetes, accounting for 43.59% and 46.15%, respectively. There were 88 patients on GLP-1RA monotherapy. GLP-1RAs plus metformin was the most common combination therapy (38.89%). 12.39% of patients were found a co-administration with orlistat. The share of overweight/obesity prescriptions increased from 27% in 2016 to 54% in 2021, whereas prediabetes/diabetes prescriptions declined from 55% to 42%. The prescriptions were divided into appropriate and questionable groups according to the diagnosis, and the potentially questionable prescription was related to age (p = 0.017), department visited (p = 0.002), and any hospitalization (p < 0.001). Conclusions This study described the prescribing of GLP-1RAs in children and adolescents. Our findings indicated that the utilization of GLP-1RAs has increased from 2016 to 2021. There was a strong basis for administering GLP-1RAs in overweight/obesity and prediabetes/diabetes, whereas the evidence was insufficient in other conditions. It is crucial to demand robust and sustained efforts to enhance the awareness of the safety of utilization of GLP-1RAs in children and adolescents.
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Affiliation(s)
- Yilong Yan
- Department of Pharmacy, Beijing Tiantan Hospital, Capital Medical University, Beijing, China
- Department of Clinical Pharmacology, School of Pharmaceutical Sciences, Capital Medical University, Beijing, China
| | - Ying Gong
- Department of Pharmacy, Dongfang Hospital, Beijing University of Chinese Medicine, Beijing, China
| | - Meizhu Jiang
- Department of Pharmacy, Beijing Tiantan Hospital, Capital Medical University, Beijing, China
- Department of Clinical Pharmacology, School of Pharmaceutical Sciences, Capital Medical University, Beijing, China
| | - Yiming Gao
- Department of Pharmacy, Beijing Tiantan Hospital, Capital Medical University, Beijing, China
- Department of Clinical Pharmacology, School of Pharmaceutical Sciences, Capital Medical University, Beijing, China
| | - Shanshan Guo
- Department of Pharmacy, Beijing Tiantan Hospital, Capital Medical University, Beijing, China
| | - Jiping Huo
- Department of Pharmacy, Beijing Tiantan Hospital, Capital Medical University, Beijing, China
| | - Zhigang Zhao
- Department of Pharmacy, Beijing Tiantan Hospital, Capital Medical University, Beijing, China
| | - Cao Li
- Department of Pharmacy, Beijing Tiantan Hospital, Capital Medical University, Beijing, China
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GLP-1 Receptor Agonists in Non-Alcoholic Fatty Liver Disease: Current Evidence and Future Perspectives. Int J Mol Sci 2023; 24:ijms24021703. [PMID: 36675217 PMCID: PMC9865319 DOI: 10.3390/ijms24021703] [Citation(s) in RCA: 36] [Impact Index Per Article: 36.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/16/2022] [Revised: 01/10/2023] [Accepted: 01/12/2023] [Indexed: 01/18/2023] Open
Abstract
To date, non-alcoholic fatty liver disease (NAFLD) is the most frequent liver disease, affecting up to 70% of patients with diabetes. Currently, there are no specific drugs available for its treatment. Beyond their anti-hyperglycemic effect and the surprising role of cardio- and nephroprotection, GLP-1 receptor agonists (GLP-1 RAs) have shown a significant impact on body weight and clinical, biochemical and histological markers of fatty liver and fibrosis in patients with NAFLD. Therefore, GLP-1 RAs could be a weapon for the treatment of both diabetes mellitus and NAFLD. The aim of this review is to summarize the evidence currently available on the role of GLP-1 RAs in the treatment of NAFLD and to hypothesize potential future scenarios.
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Theofilis P, Sagris M, Oikonomou E, Antonopoulos AS, Siasos G, Tsioufis K, Tousoulis D. The Anti-Inflammatory Effect of Novel Antidiabetic Agents. Life (Basel) 2022; 12:1829. [PMID: 36362984 PMCID: PMC9696750 DOI: 10.3390/life12111829] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/07/2022] [Revised: 09/28/2022] [Accepted: 11/05/2022] [Indexed: 08/10/2023] Open
Abstract
The incidence of type 2 diabetes (T2DM) has been increasing worldwide and remains one of the leading causes of atherosclerotic disease. Several antidiabetic agents have been introduced in trying to regulate glucose control levels with different mechanisms of action. These agents, and sodium-glucose cotransporter-2 inhibitors in particular, have been endorsed by contemporary guidelines in patients with or without T2DM. Their widespread usage during the last three decades has raised awareness in the scientific community concerning their pleiotropic mechanisms of action, including their putative anti-inflammatory effect. In this review, we delve into the anti-inflammatory role and mechanism of the existing antidiabetic agents in the cardiovascular system and their potential use in other chronic sterile inflammatory conditions.
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Affiliation(s)
- Panagiotis Theofilis
- 1st Cardiology Department, “Hippokration” General Hospital, University of Athens Medical School, 11527 Athens, Greece
| | - Marios Sagris
- 3rd Cardiology Department, Thoracic Diseases Hospital “Sotiria”, University of Athens Medical School, 11527 Athens, Greece
| | - Evangelos Oikonomou
- 1st Cardiology Department, “Hippokration” General Hospital, University of Athens Medical School, 11527 Athens, Greece
- 3rd Cardiology Department, Thoracic Diseases Hospital “Sotiria”, University of Athens Medical School, 11527 Athens, Greece
| | - Alexios S. Antonopoulos
- 1st Cardiology Department, “Hippokration” General Hospital, University of Athens Medical School, 11527 Athens, Greece
| | - Gerasimos Siasos
- 1st Cardiology Department, “Hippokration” General Hospital, University of Athens Medical School, 11527 Athens, Greece
- 3rd Cardiology Department, Thoracic Diseases Hospital “Sotiria”, University of Athens Medical School, 11527 Athens, Greece
| | - Kostas Tsioufis
- 1st Cardiology Department, “Hippokration” General Hospital, University of Athens Medical School, 11527 Athens, Greece
| | - Dimitris Tousoulis
- 1st Cardiology Department, “Hippokration” General Hospital, University of Athens Medical School, 11527 Athens, Greece
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Unsal İO, Calapkulu M, Sencar ME, Cakal B, Ozbek M. Evaluation of NAFLD fibrosis, FIB-4 and APRI score in diabetic patients receiving exenatide treatment for non-alcoholic fatty liver disease. Sci Rep 2022; 12:283. [PMID: 34997159 PMCID: PMC8741957 DOI: 10.1038/s41598-021-04361-x] [Citation(s) in RCA: 4] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/09/2021] [Accepted: 12/13/2021] [Indexed: 02/07/2023] Open
Abstract
There is a closely relationship between the development and progression of nonalcoholic fatty liver disease (NAFLD) or metabolic associated fatty liver disease (MAFLD) and obesity and diabetes. NAFLD fibrosis scores should be routinely used to rule out patients with advanced fibrosis. High scores may help identify patients at higher risk of all causes andliverrelated morbidity and mortality. The aim of this study was to investigate the association between exenatide and fibrosis scores. The effect of exenatide treatment on fibrosis scores was evaluated in type 2 diabetes mellitus (DM) patients with MAFLD. Evaluation was made of 50 patients with type 2 DM and MAFLD. The NFS, FIB4 and APRI scores were calculated before and after 6 months of treatment. After 6 months of exenatide treatment, the NFS and APRI scores were determined to have decreased significantly. Exenatide was observed to control blood glucose, reduce body weight and improve fibrosis scores in MAFLD patients with type 2 diabetes.
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Affiliation(s)
- İlknur Ozturk Unsal
- Department of Endocrinology and Metabolism, University of Health Sciences, Diskapi Yildirim Beyazit Training and Research Hospital, Sehit Omer Halisdemir Avenue, 06110, Ankara, Turkey.
| | - Murat Calapkulu
- Department of Endocrinology and Metabolism, University of Health Sciences, Diskapi Yildirim Beyazit Training and Research Hospital, Sehit Omer Halisdemir Avenue, 06110, Ankara, Turkey
| | - Muhammed Erkam Sencar
- Department of Endocrinology and Metabolism, University of Health Sciences, Diskapi Yildirim Beyazit Training and Research Hospital, Sehit Omer Halisdemir Avenue, 06110, Ankara, Turkey
| | - Basak Cakal
- Department of Gastroenterology, University of Health Sciences, Ankara Training and Research Hospital, Ankara, Turkey
| | - Mustafa Ozbek
- Department of Endocrinology and Metabolism, University of Health Sciences, Diskapi Yildirim Beyazit Training and Research Hospital, Sehit Omer Halisdemir Avenue, 06110, Ankara, Turkey
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Short-term combined treatment with exenatide and metformin for overweight/obese women with polycystic ovary syndrome. Chin Med J (Engl) 2021; 134:2882-2889. [PMID: 34732660 PMCID: PMC8667970 DOI: 10.1097/cm9.0000000000001712] [Citation(s) in RCA: 16] [Impact Index Per Article: 5.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/26/2022] Open
Abstract
Background: Obesity and insulin resistance (IR) are common features of polycystic ovary syndrome (PCOS). Metformin (MET) increases insulin sensitivity, but it is associated with unsatisfactory weight loss. The glucagon-like peptide-1 receptor agonist exenatide has been shown to reduce weight and IR in patients with diabetes. This study aimed to explore the therapeutic effects of exenatide once-weekly (QW) combined with MET on body weight, as well as metabolic and endocrinological parameters in overweight/obese women with PCOS. Methods: Fifty overweight/obese women with PCOS diagnosed via the Rotterdam criteria were randomized to one of two treatment groups: MET (500 mg three times a day [TID]) or combination treatment (COM) (MET 500 mg TID, exenatide 2 mg QW) for 12 weeks. The primary outcomes were anthropometric changes associated with obesity, and the secondary outcomes included changes in reproductive hormone levels, glucose and lipid metabolism, and C-reactive protein. Results: Forty (80%) patients completed the study. COM therapy was superior to MET monotherapy in reducing weight (P = 0.045), body mass index (BMI) (P = 0.041), and waist circumference (P = 0.023). Patients in the COM group on an average lost 3.8 ± 2.4 kg compared with 2.1 ± 3.0 kg in the MET group. In the COM group, BMI and waist circumference decreased by 1.4 ± 0.87 kg/m2 and 4.63 ± 4.42 cm compared with 0.77 ± 1.17 kg/m2 and 1.72 ± 3.07 cm in the MET group, respectively. Moreover, levels of fasting glucose, oral glucose tolerance test (OGTT) 2-h glucose, and OGTT 2-h insulin were significantly lower with COM therapy than with MET (P < 0.050). Mild and moderate gastrointestinal reactions were the most common adverse events in both groups. Conclusions: COM therapy was more effective than MET alone in reducing body weight, BMI, and waist circumference, and improving insulin sensitivity in overweight/obese women with PCOS, with acceptable short-term side effects. Trial registration: ClinicalTrials.gov, NCT04029272. https://clinicaltrials.gov/ct2/show/NCT04029272
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Bray JJH, Foster-Davies H, Salem A, Hoole AL, Obaid DR, Halcox JPJ, Stephens JW. Glucagon-like peptide-1 receptor agonists improve biomarkers of inflammation and oxidative stress: A systematic review and meta-analysis of randomised controlled trials. Diabetes Obes Metab 2021; 23:1806-1822. [PMID: 33830637 DOI: 10.1111/dom.14399] [Citation(s) in RCA: 50] [Impact Index Per Article: 16.7] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 03/01/2021] [Revised: 03/25/2021] [Accepted: 04/03/2021] [Indexed: 12/25/2022]
Abstract
AIM To conduct a meta-analysis and systematic review to examine the effects of glucagon-like peptide-1 receptor agonists (GLP-1RAs) on clinical biomarkers of inflammation and oxidative stress in patients with type 2 diabetes. METHODS Medline, Embase and the Cochrane Library were searched for randomised controlled trials (RCTs) that examined changes with GLP-1RAs in a priori selected biomarkers of inflammation: C-reactive protein (CRP), adiponectin, tumour necrosis factor-alpha (TNFα), plasminogen activator inhibitor-1, interleukin-6, leptin; and of oxidative stress: malondialdehyde (MDA); 8-iso-prostaglandin F2α; and 8-hydroxy-2'-deoxyguanosine (8-OHdG). RESULTS We included 40 eligible RCTs (n = 6749) with a median follow-up of 6 months, a mean participant age of 53.1 years, 56.3% females, glycated haemoglobin (HbA1c) 55.6 mmol/mol, body mass index 28.8 kg/m2 and diabetes duration 7.46 years. Analysis of GLP-1RAs versus standard diabetes therapies or placebo revealed significant reductions in CRP, TNFα and MDA, and significant increases in adiponectin for (mean difference -0.54 mg/L [-0.75, -0.34]; standard mean difference [SMD] -0.39 [-0.62, -0.15]; SMD -0.84 [-1.61, -0.06] and SMD 0.30 [0.12, 0.49], respectively [95% confidence intervals]). Systolic blood pressure decreased significantly and was significantly and strongly correlated with a reduction in CRP. Homeostatic model assessment of insulin resistance was also significantly correlated with a reduction in CRP, but HbA1c was not. CONCLUSIONS There is strong evidence supporting clinically relevant anti-inflammatory and antioxidant effects of GLP-1RAs. This may be used to guide future targeted clinical use of GLP-1RAs and the development of medications seeking to target the cardioprotective properties of GLP-1RAs.
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Affiliation(s)
- Jonathan J H Bray
- Department of Diabetes and Endocrinology, Morriston Hospital, Swansea Bay University Health Board, Swansea, UK
- Institute of Life Sciences-2, Swansea Bay University Health Board and Swansea University Medical School, Swansea University, Swansea, UK
| | - Harri Foster-Davies
- Department of Diabetes and Endocrinology, Morriston Hospital, Swansea Bay University Health Board, Swansea, UK
| | - Ahmed Salem
- Institute of Life Sciences-2, Swansea Bay University Health Board and Swansea University Medical School, Swansea University, Swansea, UK
- Diabetes Research Group, Swansea University Medical School, Swansea University, Swansea, UK
| | - Amy L Hoole
- Department of Diabetes and Endocrinology, Morriston Hospital, Swansea Bay University Health Board, Swansea, UK
| | - Daniel R Obaid
- Institute of Life Sciences-2, Swansea Bay University Health Board and Swansea University Medical School, Swansea University, Swansea, UK
| | - Julian P J Halcox
- Institute of Life Sciences-2, Swansea Bay University Health Board and Swansea University Medical School, Swansea University, Swansea, UK
| | - Jeffrey W Stephens
- Department of Diabetes and Endocrinology, Morriston Hospital, Swansea Bay University Health Board, Swansea, UK
- Diabetes Research Group, Swansea University Medical School, Swansea University, Swansea, UK
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Radbakhsh S, Atkin SL, Simental-Mendia LE, Sahebkar A. The role of incretins and incretin-based drugs in autoimmune diseases. Int Immunopharmacol 2021; 98:107845. [PMID: 34126341 DOI: 10.1016/j.intimp.2021.107845] [Citation(s) in RCA: 6] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/10/2021] [Revised: 05/25/2021] [Accepted: 05/31/2021] [Indexed: 02/07/2023]
Abstract
Incretin hormones, including glucagon-like peptide (GLP)-1, GLP-2 and glucose-dependent insulinotropic polypeptide (GIP), are gastrointestinal peptides secreted from enteroendocrine cells. These hormones play significant roles in many physiological processes via binding to G-protein coupled receptors (GPCRs) on different organs and tissues; one of them is the immunomodulatory effect on the immune system and its molecular components such as cytokines and chemokines. Anti-inflammatory effects of incretins and dependent molecules involving long-acting analogs and DPP4 inhibitors through regulation of T and B cell activation may attenuate autoimmune diseases caused by immune system disorders in mistakenly recognizing self as the foreign agent. In this review, we investigate incretin effects on the immune system response and the potential benefits of incretin-based therapy for treating autoimmune diseases.
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Affiliation(s)
- Shabnam Radbakhsh
- Department of Medical Biotechnology and Nanotechnology, Mashhad University of Medical Sciences, Mashhad, Iran; Student Research Committee, Mashhad University of Medical Sciences, Mashhad, Iran
| | | | | | - Amirhossein Sahebkar
- Biotechnology Research Center, Pharmaceutical Technology Institute, Mashhad University of Medical Sciences, Mashhad, Iran; Applied Biomedical Research Center, Mashhad University of Medical Sciences, Mashhad, Iran; School of Medicine, The University of Western Australia, Perth, Australia; School of Pharmacy, Mashhad University of Medical Sciences, Mashhad, Iran.
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Simental-Mendía LE, Sánchez-García A, Linden-Torres E, Simental-Mendía M. Impact of glucagon-like peptide-1 receptor agonists on adiponectin concentrations: A meta-analysis of randomized controlled trials. Br J Clin Pharmacol 2021; 87:4140-4149. [PMID: 33835520 DOI: 10.1111/bcp.14855] [Citation(s) in RCA: 4] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/13/2021] [Revised: 03/06/2021] [Accepted: 04/04/2021] [Indexed: 12/29/2022] Open
Abstract
AIMS Previous studies have reported an elevation in adiponectin concentrations using glucagon-like peptide-1 receptor agonists (GLP-1 RA) therapy; however, this possible pleiotropic effect is still uncertain. Thus, the objective of this meta-analysis of randomized controlled trials was to assess the impact of GLP-1 RA on adiponectin levels. METHODS This systematic review and meta-analysis included randomized controlled trials investigating the effect of GLP-1 RA on circulating adiponectin concentrations. Studies from PubMed, Web of Science, Scopus, and Google Scholar databases were included. A random-effects model and a sensitivity analysis using the leave 1-out method were conducted. RESULTS A meta-analysis of 20 randomized controlled trials involving 1497 individuals demonstrated a significant increase in adiponectin levels after GLP-1 RA administration (weighted mean difference [WMD]: 0.59 μg/mL, 95% confidence interval [CI]: 0.10, 1.08, P = .02). Particularly, liraglutide had a significant effect on adiponectin (WMD: 0.55 μg/mL, 95% CI: 0.04, 1.06, P = .04), while exenatide did not affect these concentrations (WMD: 0.60 μg/mL, 95% CI: -0.23, 1.42, P = .16). CONCLUSION GLP-1 RA treatment is associated with an increase in adiponectin levels.
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Affiliation(s)
- Luis E Simental-Mendía
- Unidad de Investigación Biomédica, Delegación Durango, Instituto Mexicano del Seguro Social, Mexico
| | - Adriana Sánchez-García
- Universidad Autonoma de Nuevo Leon, Endocrinology Division, University Hospital "Dr. José E. González", School of Medicine, Monterrey, NL, Mexico
| | - Enrique Linden-Torres
- Unidad de Investigación Biomédica, Delegación Durango, Instituto Mexicano del Seguro Social, Mexico
| | - Mario Simental-Mendía
- Universidad Autonoma de Nuevo Leon, Department of Orthopedics and Traumatology, University Hospital "Dr. José E. González", School of Medicine, Monterrey, NL, Mexico
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Exenatide Twice Daily Plus Glargine Versus Aspart 70/30 Twice Daily in Patients With Type 2 Diabetes With Inadequate Glycemic Control on Premixed Human Insulin and Metformin. Endocr Pract 2021; 27:790-797. [PMID: 33831552 DOI: 10.1016/j.eprac.2021.03.015] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 01/15/2021] [Revised: 03/18/2021] [Accepted: 03/22/2021] [Indexed: 01/19/2023]
Abstract
OBJECTIVE Many patients with type 2 diabetes treated with premixed insulin gradually have inadequate glycemic control and switch to a basal-bolus regimen, which raises some concerns for weight gain and increased hypoglycemic risk. Switching to combination use of glp-1 agonist and basal insulin may be an alternative option. METHODS After a 12-week premixed human insulin 70/30 dosage optimization period, 200 patients with HbA1c of 7.0% to 10.0% were randomized into 24-week treatment groups with exenatide twice a day plus glargine or with aspart 70/30 twice a day. RESULTS After 24 weeks, the patients receiving exenatide plus glargine (n = 90) had improved HbA1c control compared with those receiving aspart 70/30 (n = 90) (least squares mean change: ‒0.59 vs ‒0.13%; difference [95% CI]: ‒0.45 [‒0.74 to ‒0.17]) in the full analysis set population. Weight decreased 3.5 kg with exenatide and decreased 0.4 kg with aspart 70/30 (P < .001). The insulin dose was reduced 10.7 units/day (95% CI, ‒12.2 to ‒9.2 units; P < .001) with exenatide, and increased 9.7 units/day (95% CI, 8.2 to 11.2 units; P < .001) with aspart 70/30. The most common adverse events were gastrointestinal adverse effects in the exenatide group (nausea [21%], vomiting [16%], diarrhea [13%]). The incidence of hypoglycemia was similar in 2 groups (27% for exenatide and 38% for aspart 70/30; P = .1). CONCLUSION In premixed human insulin‒treated patients with type 2 diabetes with inadequate glycemic control, switching to exenatide twice a day plus glargine was superior to aspart 70/30 twice a day for glycemic and weight control.
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Tao T, Zhang Y, Zhu YC, Fu JR, Wang YY, Cai J, Ma JY, Xu Y, Gao YN, Sun Y, Fan W, Liu W. Exenatide, Metformin, or Both for Prediabetes in PCOS: A Randomized, Open-label, Parallel-group Controlled Study. J Clin Endocrinol Metab 2021; 106:e1420-e1432. [PMID: 32995892 PMCID: PMC8244122 DOI: 10.1210/clinem/dgaa692] [Citation(s) in RCA: 19] [Impact Index Per Article: 6.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 05/02/2020] [Accepted: 09/24/2020] [Indexed: 12/14/2022]
Abstract
CONTEXT Up to 40% of patients with polycystic ovary syndrome (PCOS) have prediabetes; an optimal pharmacotherapy regimen for diabetes prevention in PCOS is yet to be established. OBJECTIVE To evaluate clinical efficacy of exenatide (EX), metformin (MET), or combination (COM) for prediabetes in PCOS. DESIGN Randomized, open-label, parallel-group controlled trial. SETTING Renji Hospital Affiliated to Shanghai Jiaotong University School of Medicine. PATIENTS PCOS with prediabetes (fasting plasma glucose 5.6-6.9 mmol/L and/or 2 hour post glucose 7.8-11.0 mmol/L on oral glucose tolerance test [OGTT]). A total of 150 out of 183 eligible enrollees completed the study. INTERVENTION EX (10-20μg daily), MET (1500-2000 mg daily), or COM (EX plus MET) for 12 weeks. MAIN OUTCOME MEASURES Sustained remission rate of prediabetes (primary endpoint, a normal OGTT after 12 weeks of treatment followed by 12 weeks of washout on no drug treatment) along with anthropometric, hormonal, metabolic, and pancreatic β-cell function parameters (secondary endpoints) and potential mechanisms were assessed. RESULTS Impaired glucose tolerance was found the dominant prediabetes phenotype. Overall sustained prediabetes remission rate was 50.7%. Remission rate of COM group (64%, 32/50) or EX group (56%, 28/50) was significantly higher than that of the MET group (32%, 16/50) (P = .003 and .027, respectively). EX was associated with superior suppression of 2-hour glucose increment in OGTT. A 2-step hyperglycemic clamp study revealed that EX had led to higher postprandial insulin secretion than MET, potentially explaining the higher remission rate. CONCLUSIONS Compared with MET monotherapy, EX or COM achieved higher rate of remission of prediabetes among PCOS patients by improving postprandial insulin secretion.
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Affiliation(s)
- Tao Tao
- Department of Endocrinology and Metabolism, Renji Hospital, Shanghai Jiaotong University School of Medicine, Shanghai, China
- Correspondence and Reprint Requests: Tao Tao, Department of Endocrinology and Metabolism, Renji Hospital Affiliated to Shanghai Jiaotong University School of Medicine, No.160 Pujian Road, Pudong New District, Shanghai 200127, China. E-mail:
| | - Yi Zhang
- Department of Endocrinology and Metabolism, Renji Hospital, Shanghai Jiaotong University School of Medicine, Shanghai, China
| | - Yu-Chen Zhu
- Department of Endocrinology and Metabolism, Renji Hospital, Shanghai Jiaotong University School of Medicine, Shanghai, China
| | - Jia-Rong Fu
- Department of Endocrinology and Metabolism, Renji Hospital, Shanghai Jiaotong University School of Medicine, Shanghai, China
| | - Yu-Ying Wang
- Department of Endocrinology and Metabolism, Renji Hospital, Shanghai Jiaotong University School of Medicine, Shanghai, China
| | - Jie Cai
- Department of Endocrinology and Metabolism, Renji Hospital, Shanghai Jiaotong University School of Medicine, Shanghai, China
| | - Jing-Yu Ma
- Department of Endocrinology and Metabolism, Renji Hospital, Shanghai Jiaotong University School of Medicine, Shanghai, China
| | - Yu Xu
- Department of Endocrinology and Metabolism, Renji Hospital, Shanghai Jiaotong University School of Medicine, Shanghai, China
| | - Yi-Ning Gao
- Department of Endocrinology and Metabolism, Renji Hospital, Shanghai Jiaotong University School of Medicine, Shanghai, China
| | - Yun Sun
- Shanghai Key Laboratory for Assisted Reproduction and Reproductive Genetics, Center for Reproductive Medicine, Renji Hospital Affiliated to Shanghai Jiaotong University School of Medicine, Shanghai, China
| | - WuQiang Fan
- Diabetes Center, Massachusetts General Hospital, Harvard Medical School, Boston, Massachusetts
| | - Wei Liu
- Department of Endocrinology and Metabolism, Renji Hospital, Shanghai Jiaotong University School of Medicine, Shanghai, China
- Shanghai Key Laboratory for Assisted Reproduction and Reproductive Genetics, Center for Reproductive Medicine, Renji Hospital Affiliated to Shanghai Jiaotong University School of Medicine, Shanghai, China
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12
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Ji L, Chan JCN, Yu M, Yoon KH, Kim SG, Choi SH, Huang C, Te Tu S, Wang C, Paldánius PM, Sheu WHH. Early combination versus initial metformin monotherapy in the management of newly diagnosed type 2 diabetes: An East Asian perspective. Diabetes Obes Metab 2021; 23:3-17. [PMID: 32991073 PMCID: PMC7756748 DOI: 10.1111/dom.14205] [Citation(s) in RCA: 7] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 04/19/2020] [Revised: 09/07/2020] [Accepted: 09/25/2020] [Indexed: 12/12/2022]
Abstract
Type 2 diabetes (T2D) in the East Asian population is characterized by phenotypes such as low body mass index, an index of β-cell dysfunction, and higher percentage of body fat, an index of insulin resistance. These phenotypes/pathologies may predispose people to early onset of diabetes with increased risk of stroke and renal disease. Less than 50% of patients with T2D in East Asia achieve glycaemic targets recommended by national or regional guidelines, which may be attributable to knowledge and/or implementation gaps. Herein, we review the latest evidence with special reference to East Asian patients with T2D and present arguments for the need to use early combination therapy to intensify glycaemic control. This strategy is supported by the 5-year worldwide VERIFY study, which reported better glycaemic durability in newly diagnosed patients with T2D with a mean HbA1c of 6.9% treated with early combination therapy of vildagliptin plus metformin versus those treated with initial metformin monotherapy followed by addition of vildagliptin only with worsening glycaemic control. This paradigm shift of early intensified treatment is now recommended by the American Diabetes Association and the European Association for the Study of Diabetes. In order to translate these evidence to practice, increased awareness and strengthening of the healthcare system are needed to diagnose and manage patients with T2D early for combination therapy.
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Affiliation(s)
- Linong Ji
- Department of Endocrinology and MetabolismPeking University People's HospitalPekingChina
| | - Juliana C. N. Chan
- Department of Medicine and TherapeuticsHong Kong Institute of Diabetes and Obesity and Li Ka Shing Institute of Health Sciences, The Chinese University of Hong Kong, Prince of Wales HospitalHong KongChina
| | - Miao Yu
- Department of Endocrinology, Key Laboratory of Endocrinology, Ministry of HealthPeking Union Medical College Hospital, Chinese Academy of Medical SciencesBeijingChina
| | - Kun Ho Yoon
- Department of Endocrinology and MetabolismThe Catholic University College of MedicineSeoulRepublic of Korea
| | - Sin Gon Kim
- Division of Endocrinology and Metabolism, Department of Internal MedicineKorea University College of MedicineSeoulRepublic of Korea
| | - Sung Hee Choi
- Department of Internal MedicineSeoul National University College of MedicineSeoulRepublic of Korea
- Department of Internal MedicineSeoul National University Bundang HospitalSeongnamRepublic of Korea
| | - Chien‐Ning Huang
- Division of Endocrinology and Metabolism, Department of Internal MedicineChung Shan Medical University Hospital, Institute of Medicine, Chung Shan Medical UniversityTaichungTaiwan
| | - Shih Te Tu
- Division of Endocrinology and Metabolism, Department of MedicineChanghua Christian HospitalChanghuaTaiwan
| | - Chih‐Yuan Wang
- Division of Endocrinology and Metabolism, Department of Internal MedicineCollege of Medicine, National Taiwan University Hospital, National Taiwan UniversityTaipeiTaiwan
| | - Päivi Maria Paldánius
- Children's Hospital, Helsinki University HospitalHelsinkiFinland
- Program for Clinical and Molecular MetabolismHelsinki UniversityHelsinkiFinland
| | - Wayne H. H. Sheu
- Division of Endocrinology and Metabolism, Department of Internal MedicineTaichung Veterans General HospitalTaiwan
- Department of Medicine, School of MedicineNational Yang‐Ming UniversityTaipeiTaiwan
- Institute of Medical Technology, College of Life Science, National Chung‐Hsing UniversityTaichungTaiwan
- School of Medicine, National Defense Medical CenterTaipeiTaiwan
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13
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Gan S, Dawed AY, Donnelly LA, Nair ATN, Palmer CNA, Mohan V, Pearson ER. Efficacy of Modern Diabetes Treatments DPP-4i, SGLT-2i, and GLP-1RA in White and Asian Patients With Diabetes: A Systematic Review and Meta-analysis of Randomized Controlled Trials. Diabetes Care 2020; 43:1948-1957. [PMID: 33534728 PMCID: PMC7372059 DOI: 10.2337/dc19-2419] [Citation(s) in RCA: 34] [Impact Index Per Article: 8.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 12/02/2019] [Accepted: 03/15/2020] [Indexed: 02/06/2023]
Abstract
BACKGROUND The pathophysiology of type 2 diabetes differs markedly by ethnicity. PURPOSE A systematic review and meta-analysis was conducted to assess the impact of ethnicity on the glucose-lowering efficacy of the newer oral agents, sodium-glucose cotransporter 2 inhibitors (SGLT-2i), glucagon-like peptide 1 receptor agonists (GLP-1RA), and dipeptidyl peptidase 4 inhibitors (DPP-4i), using evidence from randomized clinical trials (RCTs). DATA SOURCES A literature search was conducted in PubMed of all randomized, placebo-controlled trials of DPP-4i, SGLT-2i, and GLP-1RA. The search strategy was developed based on Medical Subject Headings (MeSH) terms and keywords. STUDY SELECTION A total of 64 studies that qualified for meta-analysis after full-text review based on predefined inclusion and exclusion criteria-RCTs with at least 50 patients in each arm, >70% of population from Asian or white group, duration ≥24 weeks, and publication up to March 2019-were selected for systematic review and meta-analysis. DATA EXTRACTION Data extraction was done for aggregated study-level data by two independent researchers. Absolute changes in HbA1c (%) from baseline to 24 weeks between the drug and placebo were considered as the primary end point of the study. DATA SYNTHESIS Change in HbA1c was evaluated by computing mean differences and 95% CIs between treatment and placebo arms. LIMITATIONS The study is based on summarized data and could not be separated based on East Asians and South Asians. CONCLUSIONS The glucose-lowering efficacy of SGLT-2i, and to a lesser extent DPP-4i, was greater in studies of predominantly Asian ethnicity compared with studies of predominantly white ethnicity. There was no difference seen by ethnicity for GLP-1RA.
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Affiliation(s)
| | | | | | | | | | - Viswanathan Mohan
- Madras Diabetes Research Foundation & Dr. Mohan's Diabetes Specialities Centre, Chennai, India
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14
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Nuhoho S, Gupta J, Hansen BB, Fletcher-Louis M, Dang-Tan T, Paine A. Orally Administered Semaglutide Versus GLP-1 RAs in Patients with Type 2 Diabetes Previously Receiving 1-2 Oral Antidiabetics: Systematic Review and Network Meta-Analysis. Diabetes Ther 2019; 10:2183-2199. [PMID: 31599391 PMCID: PMC6848399 DOI: 10.1007/s13300-019-00706-y] [Citation(s) in RCA: 24] [Impact Index Per Article: 4.8] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 08/30/2019] [Indexed: 12/25/2022] Open
Abstract
INTRODUCTION Orally administered semaglutide is the first glucagon-like peptide 1 receptor agonist (GLP-1 RA) for oral administration. As head-to-head trials assessing orally administered semaglutide as an add-on to 1-2 oral antidiabetic drugs (OADs) vs other GLP-1 RAs are limited, a network meta-analysis (NMA) was performed to assess the relative efficacy and safety of orally administered semaglutide 14 mg once-daily (QD) vs injectable GLP-1 RAs in patients with type 2 diabetes inadequately controlled on 1-2 OADs. METHODS A systematic literature review was conducted to identify randomised controlled trials of GLP-1 RAs in patients inadequately controlled on 1-2 OADs. Data at 26 ± 4 weeks were extracted for efficacy and safety outcomes feasible for the NMA: change from baseline in glycated haemoglobin (HbA1c), weight, HbA1c target levels (< 7.0% and ≤ 6.5%), blood pressure, and any gastrointestinal adverse events specified in system organ class. Data were synthesised using NMA and a Bayesian framework. RESULTS In total, 27 studies were included in the analyses. Orally administered semaglutide 14 mg QD was associated with significantly greater reductions in HbA1c vs most comparators, and numerically greater reductions vs semaglutide 0.5 mg once-weekly (QW), dulaglutide 1.5 mg QW and liraglutide 1.8 mg QD. HbA1c reductions with semaglutide 1 mg QW were numerically greater than those with orally administered semaglutide 14 mg QD. Reductions in body weight for orally administered semaglutide 14 mg QD were significantly greater than all comparators except semaglutide QW (both doses). Orally administered semaglutide QD 14 mg was associated with statistically similar odds of experiencing gastrointestinal adverse events vs injectable GLP-1 RAs. CONCLUSION Orally administered semaglutide 14 mg QD as an add-on to 1-2 OADs is one of the most efficacious GLP-1 RAs for reducing HbA1c and body weight at 26 ± 4 weeks. Orally administered semaglutide 14 mg QD is well tolerated, with a safety profile in line with the GLP-1 RA class. FUNDING Novo Nordisk.
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15
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Deng H, Lin S, Yang X, Lv J, Luo S, Zeng L, Weng J, Xu W. Effect of baseline body mass index on glycemic control and weight change with exenatide monotherapy in Chinese drug-naïve type 2 diabetic patients. J Diabetes 2019; 11:509-518. [PMID: 30520243 PMCID: PMC6850147 DOI: 10.1111/1753-0407.12883] [Citation(s) in RCA: 9] [Impact Index Per Article: 1.8] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 05/13/2018] [Revised: 11/13/2018] [Accepted: 11/21/2018] [Indexed: 12/16/2022] Open
Abstract
BACKGROUND The weight-reducing effect of exenatide has been proved, but too much weight loss in normal-weight patients may concern physicians. This study evaluated the effects of exenatide monotherapy on glycemic control and weight change in normal-weight, overweight, and obese patients with newly diagnosed type 2 diabetes (T2D). METHODS In this multicenter prospective study, 29 normal-weight, 54 overweight, and 27 obese newly diagnosed and drug-naïve patients with T2D were treated with exenatide for 48 weeks. The primary efficacy endpoint was the effect of baseline body mass index (BMI) on glycemic control, measured as the change in HbA1c from baseline to Week 48 compared among different BMI groups. Other endpoints included comparisons of the effects of exenatide on fasting plasma glucose (FPG), postprandial plasma glucose (PPG), body weight, and other metabolic indices. RESULTS After 48-week treatment, the estimated mean changes in HbA1c in normal-weight, overweight, and obese patients were -1.9%, -1.8%, and -1.5%, respectively (P = 0.290 among groups after adjustment for baseline values). There were similar declines in FPG and 0.5- and 2-hour PPG among groups. There were non-significant trends from normal-weight to overweight to obese patients for increased weight reduction (decreases of 2.2, 3.9, and 4.0 kg, respectively; P = 0.104) and changes in waist circumference (decreases of 2.2, 3.2, and 5.6 cm, respectively; P = 0.078). CONCLUSIONS Baseline BMI had no effect on glycemic control, weight change, or other metabolic indices with exenatide monotherapy. Normal-weight patients with T2D would benefit from exenatide as much as overweight or obese patients on glucose control, without increased risk of excess weight loss.
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Affiliation(s)
- Hongrong Deng
- Key Laboratory of Diabetology of Guangdong Province, Department of Endocrinology and MetabolismThe Third Affiliated Hospital of Sun Yat‐Sen UniversityGuangzhouChina
| | - Shuo Lin
- Key Laboratory of Diabetology of Guangdong Province, Department of Endocrinology and MetabolismThe Third Affiliated Hospital of Sun Yat‐Sen UniversityGuangzhouChina
| | - Xubin Yang
- Key Laboratory of Diabetology of Guangdong Province, Department of Endocrinology and MetabolismThe Third Affiliated Hospital of Sun Yat‐Sen UniversityGuangzhouChina
| | - Jing Lv
- Key Laboratory of Diabetology of Guangdong Province, Department of Endocrinology and MetabolismThe Third Affiliated Hospital of Sun Yat‐Sen UniversityGuangzhouChina
| | - Sihui Luo
- Key Laboratory of Diabetology of Guangdong Province, Department of Endocrinology and MetabolismThe Third Affiliated Hospital of Sun Yat‐Sen UniversityGuangzhouChina
| | - Longyi Zeng
- Key Laboratory of Diabetology of Guangdong Province, Department of Endocrinology and MetabolismThe Third Affiliated Hospital of Sun Yat‐Sen UniversityGuangzhouChina
| | - Jianping Weng
- Key Laboratory of Diabetology of Guangdong Province, Department of Endocrinology and MetabolismThe Third Affiliated Hospital of Sun Yat‐Sen UniversityGuangzhouChina
| | - Wen Xu
- Key Laboratory of Diabetology of Guangdong Province, Department of Endocrinology and MetabolismThe Third Affiliated Hospital of Sun Yat‐Sen UniversityGuangzhouChina
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Xourgia E, Tzouganatou EM, Papazafeiropoulou A, Melidonis A. Anti-inflammatory properties of antidiabetic agents. World J Meta-Anal 2019; 7:129-141. [DOI: 10.13105/wjma.v7.i4.129] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.4] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 03/18/2019] [Revised: 04/20/2019] [Accepted: 04/23/2019] [Indexed: 02/06/2023] Open
Abstract
The reciprocal relationship between hyperglycemia and inflammation in the setting of diabetes mellitus has been the subject of extensive research. Insulin resistance, the hallmark of diabetic metabolic dysregulation, has been linked to the inflammatory cascade occurring mainly in adipose tissue. The main pathophysiologic processes facilitating the aforementioned interplay, is a phenotype switch of macrophages to the M1 class following gluco- and lipotoxicity and gut microbial remodeling. Given the correlation between inflammation and metabolic abnormalities, the elucidation of the exact mechanisms linking the two along with exploring the possible role of modulation of one in order to alter the other, could open up the possibility of novel therapeutic approaches for diabetes mellitus and its complications. Therefore, the aim of this review is to summarize the growing body of evidence concerning the molecular basis and results of pro-inflammatory processes in diabetic subjects along with the effect of current antidiabetic treatment options on tissue inflammation.
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Affiliation(s)
- Eleni Xourgia
- 1st Department of Internal Medicine and Diabetes Center, Tzaneio General Hospital of Piraeus, Athens 18536, Greece
| | - Eleni-Margarita Tzouganatou
- 1st Department of Internal Medicine and Diabetes Center, Tzaneio General Hospital of Piraeus, Athens 18536, Greece
| | - Athanasia Papazafeiropoulou
- 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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17
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Gentilella R, Pechtner V, Corcos A, Consoli A. Glucagon-like peptide-1 receptor agonists in type 2 diabetes treatment: are they all the same? Diabetes Metab Res Rev 2019; 35:e3070. [PMID: 30156747 DOI: 10.1002/dmrr.3070] [Citation(s) in RCA: 141] [Impact Index Per Article: 28.2] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 12/14/2017] [Revised: 07/30/2018] [Accepted: 08/18/2018] [Indexed: 02/06/2023]
Abstract
Glucagon-like peptide-1 (GLP-1) receptor agonists (RAs) are an important class of drugs with a well-established efficacy and safety profile in patients with type 2 diabetes mellitus. Agents in this class are derived from either exendin-4 (a compound present in Gila monster venom) or modifications of human GLP-1 active fragment. Differences among these drugs in duration of action (ie, short-acting vs long-acting), effects on glycaemic control and weight loss, immunogenicity, tolerability profiles, and administration routes offer physicians several options when selecting the most appropriate agent for individual patients. Patient preference is also an important consideration. The aim of this review is to discuss the differences between and similarities of GLP-1 RAs currently approved for clinical use, focusing particularly on the properties characterising the single short-acting and long-acting GLP-1 RAs rather than on their individual efficacy and safety profiles. The primary pharmacodynamic difference between short-acting (ie, exenatide twice daily and lixisenatide) and long-acting (ie, albiglutide, dulaglutide, exenatide once weekly, liraglutide, and semaglutide) GLP-1 RAs is that short-acting agents primarily delay gastric emptying (lowering postprandial glucose) and long-acting agents affect both fasting glucose (via enhanced glucose-dependent insulin secretion and reduced glucagon secretion in the fasting state) and postprandial glucose (via enhanced postprandial insulin secretion and inhibition of glucagon secretion). Other advantages of long-acting GLP-1 RAs include smaller fluctuations in plasma drug concentrations, improved gastrointestinal tolerability profiles, and simpler, more convenient administration schedules (once daily for liraglutide and once weekly for albiglutide, dulaglutide, the long-acting exenatide formulation, and semaglutide), which might improve treatment adherence and persistence.
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Affiliation(s)
| | - Valeria Pechtner
- Lilly Diabetes, Eli Lilly and Company, Neuilly-sur-Seine, France
| | | | - Agostino Consoli
- Department of Medicine and Ageing Sciences and CeSI-Met, University D'Annunzio, Chieti, Italy
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18
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Witkowski M, Wilkinson L, Webb N, Weids A, Glah D, Vrazic H. A Systematic Literature Review and Network Meta-Analysis Comparing Once-Weekly Semaglutide with Other GLP-1 Receptor Agonists in Patients with Type 2 Diabetes Previously Receiving 1-2 Oral Anti-Diabetic Drugs. Diabetes Ther 2018; 9:1149-1167. [PMID: 29675798 PMCID: PMC5984927 DOI: 10.1007/s13300-018-0424-2] [Citation(s) in RCA: 31] [Impact Index Per Article: 5.2] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 03/16/2018] [Indexed: 01/14/2023] Open
Abstract
INTRODUCTION Once-weekly semaglutide is a new glucagon-like peptide-1 (GLP-1) analogue administered at a 1.0 or 0.5 mg dose. As head-to-head trials assessing once-weekly semaglutide as an add-on to 1-2 oral anti-diabetic drugs (OADs) vs other GLP-1 receptor agonists (GLP-1 RAs) are limited, a network meta-analysis (NMA) was performed. The objective was to assess the relative efficacy and safety of once-weekly semaglutide vs GLP-1 RAs in patients with type 2 diabetes (T2D) inadequately controlled on 1-2 OADs. METHODS A systematic literature review (SLR) was conducted in order to identify trials of GLP-1 RAs in patients inadequately controlled on 1-2 OADs. Data at 24 ± 4 weeks were extracted for efficacy and safety outcomes (feasible for analysis in a NMA), which included the key outcomes of change from baseline in glycated hemoglobin (HbA1c), systolic blood pressure (SBP), and weight, as well as discontinuation due to adverse events (AEs). Data were synthesized using a NMA and a Bayesian framework. RESULTS In total, 26 studies were included across the base case analyses. Once-weekly semaglutide 1.0 mg was associated with significantly greater reductions in HbA1c and weight vs all GLP-1 RA comparators. Once-weekly semaglutide 0.5 mg also achieved significantly greater reductions in HbA1c and weight compared with the majority of other GLP-1 RAs. Both doses of once-weekly semaglutide were associated with similar odds of discontinuation due to AEs compared with other GLP-1 RAs. CONCLUSION Overall, once-weekly semaglutide 1.0 mg as an add-on to 1-2 OADs is the most efficacious GLP-1 RA in terms of the reduction of HbA1c and weight from baseline after 6 months of treatment. In addition, the analysis suggests that once-weekly semaglutide is well tolerated and not associated with an increase in discontinuations due to AEs compared with other GLP-1 RAs. FUNDING Novo Nordisk.
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Affiliation(s)
| | | | - Neil Webb
- DRG Abacus, Bicester, Oxfordshire, UK.
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Quan H, Zhang H, Wei W, Fang T, Chen D, Chen K. A crossover study of the combination therapy of metformin and exenatide or biphasic insulin aspart 30 in overweight or obese patients newly diagnosed with type 2 diabetes mellitus. Exp Ther Med 2017; 14:3279-3287. [PMID: 28912879 DOI: 10.3892/etm.2017.4863] [Citation(s) in RCA: 6] [Impact Index Per Article: 0.9] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/19/2015] [Accepted: 11/18/2016] [Indexed: 12/27/2022] Open
Abstract
The aim of the present study was to explore the effects of various combinations of exenatide, metformin (MET) and biphasic insulin aspart 30 (BIA30) on type 2 diabetes mellitus (T2DM). Two hundred overweight or obese patients newly diagnosed with T2DM were evenly randomized into two groups: A (twice daily for all: Phase I, 5 µg exenatide + 0.5 g MET for 4 weeks, then 10 µg exenatide + 0.5 g MET for 8 weeks; Phase II, 0.5 g MET for 12 weeks; Phase III, 0.3-0.4 U/kg/day BIA30 + 0.5 g MET for 12 weeks) and B (Phases I, II, III matched the phases III, II and I in group A). In groups A and B a significant decrease and increase, respectively, in glycated hemoglobin (HbAlc) and body mass index (BMI) was noted during Phase I. A 3.2±0.4-kg decrease in body weight in group A and a 2.6±0.3-kg increase in group B was observed. In Phase II, HbAlc was significantly increased in both groups (P<0.05). In Phase III, the BMI was increased in group A and reduced in group B (P<0.05). There was a 3.8±0.4-kg weight decrease in group B and 4.2±0.5-kg increase in group A (P<0.05). The combination of exenatide and MET promoted weight loss, glycemic control, β-cell function index, C peptide and adiponectin levels. These results suggested that the combination of exenatide and MET is better than the combination of BIA and MET for the therapy of overweight or obese patients newly diagnosed with T2DM.
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Affiliation(s)
- Huibiao Quan
- Department of Endocrinology, People's Hospital of Hainan, Haikou, Hainan 570311, P.R. China
| | - Huachuan Zhang
- Department of Endocrinology, People's Hospital of Hainan, Haikou, Hainan 570311, P.R. China
| | - Weiping Wei
- Department of Endocrinology, People's Hospital of Hainan, Haikou, Hainan 570311, P.R. China
| | - Tuanyu Fang
- Department of Endocrinology, People's Hospital of Hainan, Haikou, Hainan 570311, P.R. China
| | - Daoxiong Chen
- Department of Endocrinology, People's Hospital of Hainan, Haikou, Hainan 570311, P.R. China
| | - Kaining Chen
- Department of Endocrinology, People's Hospital of Hainan, Haikou, Hainan 570311, P.R. China
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20
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Morioka T, Emoto M, Yamazaki Y, Kurajoh M, Motoyama K, Mori K, Fukumoto S, Shioi A, Shoji T, Inaba M. Plasma soluble leptin receptor levels are associated with pancreatic β-cell dysfunction in patients with type 2 diabetes. J Diabetes Investig 2017; 9:55-62. [PMID: 28294581 PMCID: PMC5754521 DOI: 10.1111/jdi.12657] [Citation(s) in RCA: 14] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 11/04/2016] [Revised: 02/06/2017] [Accepted: 03/08/2017] [Indexed: 12/20/2022] Open
Abstract
Aims/Introduction A soluble form of the leptin receptor (soluble Ob‐R) in the circulation regulates leptin's bioactivity, and is inversely associated with body adiposity and circulating leptin levels. However, no study has examined the clinical impact of soluble Ob‐R on glucose metabolism in diabetes. The present study aimed to investigate the association of plasma soluble Ob‐R levels with insulin resistance and pancreatic β‐cell function in patients with type 2 diabetes. Materials and Methods A total of 289 Japanese patients with type 2 diabetes were included in the present study. Fasting plasma soluble Ob‐R levels and plasma leptin levels were measured by enzyme‐linked immunosorbent assay. Insulin resistance and pancreatic β‐cell function were estimated by homeostasis model assessment of insulin resistance, homeostasis model assessment of β‐cell function and fasting C‐peptide index. Results The median plasma soluble Ob‐R level and plasma leptin level were 3.4 ng/mL and 23.6 ng/mL, respectively. Plasma soluble Ob‐R levels were negatively correlated with homeostasis model assessment of insulin resistance, homeostasis model assessment of β‐cell function and the C‐peptide index, whereas plasma leptin levels were positively correlated with each index in univariate analyses. Multivariate analyses including plasma soluble Ob‐R levels, plasma leptin levels and use of sulfonylureas, along with age, sex, body mass index and other covariates, showed that soluble Ob‐R levels were independently and negatively associated with homeostasis model assessment of β‐cell function and the C‐peptide index, but not significantly associated with homeostasis model assessment of insulin resistance. Conclusions Plasma soluble Ob‐R levels are independently associated with pancreatic β‐cell function, but not with insulin resistance, in patients with type 2 diabetes. The present study implicates the role of soluble Ob‐R in pancreatic β‐cell dysfunction in type 2 diabetes.
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Affiliation(s)
- Tomoaki Morioka
- Departments of Metabolism, Endocrinology and Molecular Medicine, Osaka City University Graduate School of Medicine, Osaka, Japan
| | - Masanori Emoto
- Departments of Metabolism, Endocrinology and Molecular Medicine, Osaka City University Graduate School of Medicine, Osaka, Japan
| | - Yuko Yamazaki
- Departments of Metabolism, Endocrinology and Molecular Medicine, Osaka City University Graduate School of Medicine, Osaka, Japan
| | - Masafumi Kurajoh
- Departments of Metabolism, Endocrinology and Molecular Medicine, Osaka City University Graduate School of Medicine, Osaka, Japan
| | - Koka Motoyama
- Departments of Metabolism, Endocrinology and Molecular Medicine, Osaka City University Graduate School of Medicine, Osaka, Japan
| | - Katsuhito Mori
- Departments of Metabolism, Endocrinology and Molecular Medicine, Osaka City University Graduate School of Medicine, Osaka, Japan
| | - Shinya Fukumoto
- Premier Preventive Medicine, Osaka City University Graduate School of Medicine, Osaka, Japan
| | - Atsushi Shioi
- Vascular Medicine, Osaka City University Graduate School of Medicine, Osaka, Japan
| | - Tetsuo Shoji
- Vascular Medicine, Osaka City University Graduate School of Medicine, Osaka, Japan
| | - Masaaki Inaba
- Departments of Metabolism, Endocrinology and Molecular Medicine, Osaka City University Graduate School of Medicine, Osaka, Japan
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Blonde L, Chava P, Dex T, Lin J, Nikonova EV, Goldenberg RM. Predictors of outcomes in patients with type 2 diabetes in the lixisenatide GetGoal clinical trials. Diabetes Obes Metab 2017; 19:275-283. [PMID: 27767249 PMCID: PMC5299604 DOI: 10.1111/dom.12815] [Citation(s) in RCA: 11] [Impact Index Per Article: 1.6] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 07/08/2016] [Revised: 09/30/2016] [Accepted: 10/17/2016] [Indexed: 12/22/2022]
Abstract
AIMS To explore the treatment outcomes in adult patients with type 2 diabetes (T2D) enrolled in the GetGoal trials of lixisenatide (LIXI), and the predictive effects of baseline characteristics on outcomes. METHODS This study was a pooled analysis of patient-level data from the LIXI GetGoal studies comparing LIXI and placebo. Patients were divided into baseline therapy groups: those receiving oral antidiabetes drugs (OADs) at baseline (n = 2760) or those receiving basal insulin at baseline (n = 1198). RESULTS Compared with placebo, LIXI treatment led to significantly greater reductions in glycated haemoglobin (HbA1c), and greater achievement of the composite endpoint of HbA1c <7.0% (53 mmol/mol) with no symptomatic hypoglycaemia and no weight gain in either the OAD (34% vs 18%; P < .0001) or the basal insulin groups (19% vs 10%; P < .0001). Treatment with LIXI was associated with a greater percentage of patients experiencing a symptomatic hypoglycaemic event compared with placebo in both the OAD (5% vs 3%; P = .0098) and basal insulin groups (27% vs 17%; P < .0001). In assessing baseline factors that were predictors of treatment outcomes, only baseline HbA1c and LIXI treatment were strong predictors of outcomes in both the OAD and basal insulin groups. No other baseline characteristic had such a large or consistent clinically relevant predictive effect across treatment outcomes. CONCLUSIONS The results from this study show that irrespective of baseline characteristics, LIXI treatment, as an add-on to OAD or basal insulin therapy, is effective in reducing HbA1c and achieving composite endpoints.
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Affiliation(s)
- Lawrence Blonde
- Ochsner Diabetes Clinical Research Unit, Department of Endocrinology, Frank Riddick Diabetes InstituteOchsner Medical CenterNew OrleansLouisiana
| | - Pavan Chava
- Ochsner Diabetes Clinical Research Unit, Department of Endocrinology, Frank Riddick Diabetes InstituteOchsner Medical CenterNew OrleansLouisiana
| | - Terry Dex
- Sanofi US, Inc.BridgewaterNew Jersey
| | - Jay Lin
- Novosys HealthGreen BrookNew Jersey
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Arslanian S, El Ghormli L, Bacha F, Caprio S, Goland R, Haymond MW, Levitsky L, Nadeau KJ, White NH, Willi SM. Adiponectin, Insulin Sensitivity, β-Cell Function, and Racial/Ethnic Disparity in Treatment Failure Rates in TODAY. Diabetes Care 2017; 40:85-93. [PMID: 27803118 PMCID: PMC5180463 DOI: 10.2337/dc16-0455] [Citation(s) in RCA: 30] [Impact Index Per Article: 4.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 03/01/2016] [Accepted: 10/03/2016] [Indexed: 02/03/2023]
Abstract
OBJECTIVE The Treatment Options for type 2 Diabetes in Adolescents and Youth (TODAY) study demonstrated that glycemic failure rates in the three treatments combined-metformin plus rosiglitazone, metformin alone, and metformin plus lifestyle-were higher in non-Hispanic blacks (NHB; 52.8%) versus non-Hispanic whites (NHW; 36.6%) and Hispanics (H; 45.0%). Moreover, metformin alone was less effective in NHB versus NHW versus H youth. This study describes treatment-associated changes in adiponectin, insulin sensitivity, and β-cell function over time among the three racial/ethnic groups to understand potential mechanism(s) responsible for this racial/ethnic disparity. RESEARCH DESIGN AND METHODS TODAY participants underwent periodic oral glucose tolerance tests to determine insulin sensitivity, C-peptide index, and oral disposition index (oDI), with measurements of total and high-molecular-weight adiponectin (HMWA). RESULTS At baseline NHB had significantly lower HMWA than NHW and H and exhibited a significantly smaller increase (17.3% vs. 33.7% vs. 29.9%, respectively) during the first 6 months overall. Increases in HMWA were associated with reductions in glycemic failure in the three racial/ethnic groups combined (hazard ratio 0.61, P < 0.0001) and in each race/ethnicity separately. Over time, HMWA was significantly lower in those who failed versus did not fail treatment, irrespective of race/ethnicity. There were no differences in treatment-associated temporal changes in insulin sensitivity, C-peptide index, and oDI among the three racial/ethnic groups. CONCLUSIONS HMWA is a reliable biomarker of treatment response in youth with type 2 diabetes. The diminutive treatment-associated increase in HMWA in NHB (∼50% lower) compared with NHW and H may explain the observed racial/ethnic disparity with higher therapeutic failure rates in NHB in TODAY.
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Affiliation(s)
| | - Laure El Ghormli
- Biostatistics Center, George Washington University, Rockville, MD
| | - Fida Bacha
- Texas Children's Hospital, Baylor College of Medicine, Houston, TX
| | - Sonia Caprio
- Yale University School of Medicine, New Haven, CT
| | | | - Morey W Haymond
- Texas Children's Hospital, Baylor College of Medicine, Houston, TX
| | | | | | - Neil H White
- Washington University in St. Louis, St. Louis, MO
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Liu J, Hu Y, Xu Y, Jia Y, Miao L, Wang G. Comparison of Exenatide and Metformin Monotherapy in Overweight/Obese Patients with Newly Diagnosed Type 2 Diabetes. Int J Endocrinol 2017; 2017:9401606. [PMID: 29358950 PMCID: PMC5735665 DOI: 10.1155/2017/9401606] [Citation(s) in RCA: 5] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 05/07/2017] [Revised: 08/19/2017] [Accepted: 09/07/2017] [Indexed: 01/12/2023] Open
Abstract
AIMS The present study assessed the therapeutic effect of exenatide and metformin as the initial therapy on overweight/obese patients with newly diagnosed type 2 diabetes (T2D). METHODS The prospective, nonrandomized, interventional study enrolled a total of 230 overweight or obese patients with newly diagnosed T2D who were administrated exenatide or metformin hydrochloride for 12 weeks. RESULTS 224/230 patients, including 106 in the exenatide group and 118 in the metformin group, completed the 12-week treatment. Both exenatide and metformin significantly decreased the HbA1c levels in overweight/obese patients with newly diagnosed T2D (all P < 0.05). The reduction in HbA1c and the proportion of patients with HbA1c < 7.0% (53 mmol/mol) were higher in the exenatide group than in the metformin group (all P < 0.05). The exenatide treatment caused a greater decline in the body weight and BMI as compared to the metformin treatment (all P < 0.01). The exenatide treatment (β = 0.41, P < 0.01) and baseline HbA1c level (β = -0.84, P < 0.01) were independent influencing factors for the decrease in HbA1c level. CONCLUSIONS For an initial therapy in overweight/obese patients with newly diagnosed T2D, exenatide causes a better glycemic control than metformin. This trial is registered with NCT03297879.
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Affiliation(s)
- Jia Liu
- Department of Endocrinology, Beijing Chao-Yang Hospital, Capital Medical University, No. 8, Gongti South Road, Chaoyang District, Beijing 100020, China
| | - Yanjin Hu
- Department of Endocrinology, Beijing Chao-Yang Hospital, Capital Medical University, No. 8, Gongti South Road, Chaoyang District, Beijing 100020, China
| | - Yuan Xu
- Department of Endocrinology, Beijing Chao-Yang Hospital, Capital Medical University, No. 8, Gongti South Road, Chaoyang District, Beijing 100020, China
| | - Yumei Jia
- Department of Endocrinology, Beijing Chao-Yang Hospital, Capital Medical University, No. 8, Gongti South Road, Chaoyang District, Beijing 100020, China
| | - Li Miao
- Department of Endocrinology, Beijing Chao-Yang Hospital, Capital Medical University, No. 8, Gongti South Road, Chaoyang District, Beijing 100020, China
| | - Guang Wang
- Department of Endocrinology, Beijing Chao-Yang Hospital, Capital Medical University, No. 8, Gongti South Road, Chaoyang District, Beijing 100020, China
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24
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Twigg SM, Daja MM, O'leary BA, Adena MA. Once-daily liraglutide (1.2 mg) compared with twice-daily exenatide (10 μg) in the treatment of type 2 diabetes patients: An indirect treatment comparison meta-analysis. J Diabetes 2016; 8:866-876. [PMID: 26729046 DOI: 10.1111/1753-0407.12372] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.4] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 08/26/2015] [Revised: 12/16/2015] [Accepted: 12/27/2015] [Indexed: 02/03/2023] Open
Abstract
BACKGROUND Glucagon-like peptide-1 receptor agonists provide effective hyperglycemia management in patients with type 2 diabetes. In a randomized head-to-head trial, liraglutide 1.8 mg q.d. led to greater reductions in HbA1c than exenatide 10 μg b.i.d. There are no direct comparisons of liraglutide 1.2 mg q.d. and exenatide b.i.d.; therefore, in the present study, an indirect comparison and meta-analysis were undertaken. METHODS A systematic literature search was performed for randomized controlled trials of liraglutide 1.2 mg q.d. or exenatide b.i.d. with HbA1c as an outcome and ≥25 subjects. Key data were extracted and analyzed. A random-effects model was used to incorporate heterogeneity between studies. RESULTS Three liraglutide 1.2 mg q.d. (n = 1060) and 10 exenatide b.i.d. (n = 2609) placebo-controlled studies were identified, allowing indirect comparison with placebo as the common arm. Baseline characteristics were mean age ~55 years, disease duration ~7 years, HbA1c ~8%, and body mass index ~32 kg/m2 . Compared with exenatide b.i.d., liraglutide 1.2 mg was associated with significantly greater reductions from baseline in HbA1c (-0.29%; 95% confidence interval [CI] -0.53, -0.05) and fasting plasma glucose (-0.92 mmol/L; 95% CI -1.43, -0.41), with shorter duration of nausea (3 vs 14 days; P = 0.002) and fewer withdrawals (odds ratio 0.34; 95% CI 0.22, 0.52). The incidence of adverse events (including nausea) and withdrawals because of adverse events were similar between treatments. CONCLUSIONS Liraglutide 1.2 mg provided a significantly greater reduction in HbA1c than exenatide 10 μg b.i.d. The significantly shorter duration of nausea with liraglutide than exenatide may be appreciated by patients.
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Affiliation(s)
- Stephen M Twigg
- Sydney Medical School and the Bosch Institute, The University of Sydney, Australia.
- Department of Endocrinology, Royal Prince Alfred Hospital, Australia.
| | | | - Beth A O'leary
- Health Economics, Covance, Sydney, New South Wales, Australia
| | - Michael A Adena
- Datalytics, Canberra, Australian Capital Territory, Australia
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25
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Shankar SS, Vella A, Raymond RH, Staten MA, Calle RA, Bergman RN, Cao C, Chen D, Cobelli C, Dalla Man C, Deeg M, Dong JQ, Lee DS, Polidori D, Robertson RP, Ruetten H, Stefanovski D, Vassileva MT, Weir GC, Fryburg DA. Standardized Mixed-Meal Tolerance and Arginine Stimulation Tests Provide Reproducible and Complementary Measures of β-Cell Function: Results From the Foundation for the National Institutes of Health Biomarkers Consortium Investigative Series. Diabetes Care 2016; 39:1602-13. [PMID: 27407117 PMCID: PMC5001146 DOI: 10.2337/dc15-0931] [Citation(s) in RCA: 38] [Impact Index Per Article: 4.8] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 05/05/2016] [Accepted: 06/15/2016] [Indexed: 02/03/2023]
Abstract
OBJECTIVE Standardized, reproducible, and feasible quantification of β-cell function (BCF) is necessary for the evaluation of interventions to improve insulin secretion and important for comparison across studies. We therefore characterized the responses to, and reproducibility of, standardized methods of in vivo BCF across different glucose tolerance states. RESEARCH DESIGN AND METHODS Participants classified as having normal glucose tolerance (NGT; n = 23), prediabetes (PDM; n = 17), and type 2 diabetes mellitus (T2DM; n = 22) underwent two standardized mixed-meal tolerance tests (MMTT) and two standardized arginine stimulation tests (AST) in a test-retest paradigm and one frequently sampled intravenous glucose tolerance test (FSIGT). RESULTS From the MMTT, insulin secretion in T2DM was >86% lower compared with NGT or PDM (P < 0.001). Insulin sensitivity (Si) decreased from NGT to PDM (∼50%) to T2DM (93% lower [P < 0.001]). In the AST, insulin secretory response to arginine at basal glucose and during hyperglycemia was lower in T2DM compared with NGT and PDM (>58%; all P < 0.001). FSIGT showed decreases in both insulin secretion and Si across populations (P < 0.001), although Si did not differ significantly between PDM and T2DM populations. Reproducibility was generally good for the MMTT, with intraclass correlation coefficients (ICCs) ranging from ∼0.3 to ∼0.8 depending on population and variable. Reproducibility for the AST was very good, with ICC values >0.8 across all variables and populations. CONCLUSIONS Standardized MMTT and AST provide reproducible and complementary measures of BCF with characteristics favorable for longitudinal interventional trials use.
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Affiliation(s)
- Sudha S Shankar
- Lilly Research Laboratories, Eli Lilly and Company, Indianapolis, IN
| | - Adrian Vella
- Division of Endocrinology, Diabetes & Metabolism, Mayo Clinic College of Medicine, Rochester, MN
| | | | - Myrlene A Staten
- Kelly Government Solutions for National Institute of Diabetes and Digestive and Kidney Diseases, Rockville, MD
| | | | - Richard N Bergman
- Cedars-Sinai Diabetes and Obesity Research Institute, Los Angeles, CA
| | - Charlie Cao
- Takeda Development Center Americas, Deerfield, IL
| | | | - Claudio Cobelli
- Department of Information Engineering, University of Padova, Padova, Italy
| | - Chiara Dalla Man
- Department of Information Engineering, University of Padova, Padova, Italy
| | - Mark Deeg
- Lilly Research Laboratories, Eli Lilly and Company, Indianapolis, IN
| | | | | | | | - R Paul Robertson
- Pacific Northwest Diabetes Research Institute, Seattle, WA Division of Endocrinology, Departments of Medicine and Pharmacology, University of Washington, Seattle, WA
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26
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Alshali KZ, Karawagh AM. A review of glycemic efficacy of liraglutide once daily in achieving glycated hemoglobin targets compared with exenatide twice daily, or sitagliptin once daily in the treatment of type 2 diabetes. Saudi Med J 2016; 37:834-42. [PMID: 27464858 PMCID: PMC5018698 DOI: 10.15537/smj.2016.8.15800] [Citation(s) in RCA: 4] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/25/2022] Open
Abstract
Incretin-based therapies such as glucagon-like peptide-1 (GLP-1) receptor agonists (RA) and dipeptidyl peptidase-4 (DPP-4) inhibitors have gained prominence in recent years for the treatment of type 2 diabetes (T2D). Such therapies offer the potential to stimulate endogenous insulin activity in proportion to circulating glucose levels; thereby, lowering the risk of hypoglycemic episodes. The synthetic GLP-1 RA exenatide, the human GLP-1 RA liraglutide, and the DPP-4 inhibitor sitagliptin are the first agents in their respective classes to be approved for the treatment of T2D and their efficacy and safety has been studied extensively in clinical trials. This article reviewed the efficacy of liraglutide once daily in achieving clinical guidelines-recommended glycated hemoglobin A1c levels in patients with T2D compared with exenatide twice daily, or sitagliptin once daily, based on published literature, with an aim to elucidate the preferred choice of incretin-related therapy in treating uncontrolled T2D.
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Affiliation(s)
- Khalid Z Alshali
- Department of Medicine, Faculty of Medicine, King Abdulaziz University, Jeddah, Kingdom of Saudi Arabia. E-mail.
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27
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João AL, Reis F, Fernandes R. The incretin system ABCs in obesity and diabetes - novel therapeutic strategies for weight loss and beyond. Obes Rev 2016; 17:553-72. [PMID: 27125902 DOI: 10.1111/obr.12421] [Citation(s) in RCA: 25] [Impact Index Per Article: 3.1] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 02/15/2016] [Revised: 03/21/2016] [Accepted: 03/28/2016] [Indexed: 02/06/2023]
Abstract
Incretins are gastrointestinal-derived hormones released in response to a meal playing a key role in the regulation of postprandial secretion of insulin (incretin effect) and glucagon by the pancreas. Both incretins, glucose-dependent insulinotropic polypeptide and glucagon-like peptide-1 (GLP-1), have several other actions by peripheral and central mechanisms. GLP-1 regulates body weight by inhibiting appetite and delaying gastric, emptying actions that are dependent on central nervous system GLP-1 receptor activation. Several other hormones and gut peptides, including leptin and ghrelin, interact with GLP-1 to modulate appetite. GLP-1 is rapidly degraded by the multifunctional enzyme dipeptidyl peptidase-4 (DPP-4). DPP-4 is involved in adipose tissue inflammation, which is associated with insulin resistance and diabetes progression, being a common pathophysiological mechanism in obesity-related complications. Furthermore, the incretin system appears to provide the basis for understanding the high weight loss efficacy of bariatric surgery, a widely used treatment for obesity, often in association with diabetes. The present review brings together new insights into obesity pathogenesis, integrating GLP-1 and DPP-4 in the complex interplay between obesity and inflammation, namely, in diabetic patients. This in turn will provide the basis for novel incretin-based therapeutic strategies for obesity and diabetes with promising benefits in addition to weight loss. © 2016 World Obesity.
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Affiliation(s)
- A L João
- Laboratory of Pharmacology and Experimental Therapeutics, Institute for Biomedical Imaging and Life Sciences (IBILI), Faculty of Medicine and Center for Neuroscience and Cell Biology - Institute for Biomedical Imaging and Life Sciences (CNC.IBILI) Research Consortium, University of Coimbra, Coimbra, Portugal
| | - F Reis
- Laboratory of Pharmacology and Experimental Therapeutics, Institute for Biomedical Imaging and Life Sciences (IBILI), Faculty of Medicine and Center for Neuroscience and Cell Biology - Institute for Biomedical Imaging and Life Sciences (CNC.IBILI) Research Consortium, University of Coimbra, Coimbra, Portugal
| | - R Fernandes
- Laboratory of Pharmacology and Experimental Therapeutics, Institute for Biomedical Imaging and Life Sciences (IBILI), Faculty of Medicine and Center for Neuroscience and Cell Biology - Institute for Biomedical Imaging and Life Sciences (CNC.IBILI) Research Consortium, University of Coimbra, Coimbra, Portugal
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28
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Scott RA, Freitag DF, Li L, Chu AY, Surendran P, Young R, Grarup N, Stancáková A, Chen Y, Varga TV, Yaghootkar H, Luan J, Zhao JH, Willems SM, Wessel J, Wang S, Maruthur N, Michailidou K, Pirie A, van der Lee SJ, Gillson C, Al Olama AA, Amouyel P, Arriola L, Arveiler D, Aviles-Olmos I, Balkau B, Barricarte A, Barroso I, Garcia SB, Bis JC, Blankenberg S, Boehnke M, Boeing H, Boerwinkle E, Borecki IB, Bork-Jensen J, Bowden S, Caldas C, Caslake M, Cupples LA, Cruchaga C, Czajkowski J, den Hoed M, Dunn JA, Earl HM, Ehret GB, Ferrannini E, Ferrieres J, Foltynie T, Ford I, Forouhi NG, Gianfagna F, Gonzalez C, Grioni S, Hiller L, Jansson JH, Jørgensen ME, Jukema JW, Kaaks R, Kee F, Kerrison ND, Key TJ, Kontto J, Kote-Jarai Z, Kraja AT, Kuulasmaa K, Kuusisto J, Linneberg A, Liu C, Marenne G, Mohlke KL, Morris AP, Muir K, Müller-Nurasyid M, Munroe PB, Navarro C, Nielsen SF, Nilsson PM, Nordestgaard BG, Packard CJ, Palli D, Panico S, Peloso GM, Perola M, Peters A, Poole CJ, Quirós JR, Rolandsson O, Sacerdote C, Salomaa V, Sánchez MJ, Sattar N, Sharp SJ, Sims R, Slimani N, Smith JA, Thompson DJ, Trompet S, Tumino R, van der A DL, van der Schouw YT, Virtamo J, Walker M, Walter K, Abraham JE, Amundadottir LT, Aponte JL, Butterworth AS, Dupuis J, Easton DF, Eeles RA, Erdmann J, Franks PW, Frayling TM, Hansen T, Howson JMM, Jørgensen T, Kooner J, Laakso M, Langenberg C, McCarthy MI, Pankow JS, Pedersen O, Riboli E, Rotter JI, Saleheen D, Samani NJ, Schunkert H, Vollenweider P, O'Rahilly S, Deloukas P, Danesh J, Goodarzi MO, Kathiresan S, Meigs JB, Ehm MG, Wareham NJ, Waterworth DM. A genomic approach to therapeutic target validation identifies a glucose-lowering GLP1R variant protective for coronary heart disease. Sci Transl Med 2016; 8:341ra76. [PMID: 27252175 PMCID: PMC5219001 DOI: 10.1126/scitranslmed.aad3744] [Citation(s) in RCA: 92] [Impact Index Per Article: 11.5] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/09/2015] [Accepted: 05/10/2016] [Indexed: 02/06/2023]
Abstract
Regulatory authorities have indicated that new drugs to treat type 2 diabetes (T2D) should not be associated with an unacceptable increase in cardiovascular risk. Human genetics may be able to guide development of antidiabetic therapies by predicting cardiovascular and other health endpoints. We therefore investigated the association of variants in six genes that encode drug targets for obesity or T2D with a range of metabolic traits in up to 11,806 individuals by targeted exome sequencing and follow-up in 39,979 individuals by targeted genotyping, with additional in silico follow-up in consortia. We used these data to first compare associations of variants in genes encoding drug targets with the effects of pharmacological manipulation of those targets in clinical trials. We then tested the association of those variants with disease outcomes, including coronary heart disease, to predict cardiovascular safety of these agents. A low-frequency missense variant (Ala316Thr; rs10305492) in the gene encoding glucagon-like peptide-1 receptor (GLP1R), the target of GLP1R agonists, was associated with lower fasting glucose and T2D risk, consistent with GLP1R agonist therapies. The minor allele was also associated with protection against heart disease, thus providing evidence that GLP1R agonists are not likely to be associated with an unacceptable increase in cardiovascular risk. Our results provide an encouraging signal that these agents may be associated with benefit, a question currently being addressed in randomized controlled trials. Genetic variants associated with metabolic traits and multiple disease outcomes can be used to validate therapeutic targets at an early stage in the drug development process.
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Affiliation(s)
- Robert A Scott
- Medical Research Council (MRC) Epidemiology Unit, University of Cambridge School of Clinical Medicine, Institute of Metabolic Science, Cambridge Biomedical Campus, Cambridge CB2 0QQ, UK.
| | - Daniel F Freitag
- Department of Public Health and Primary Care, Strangeways Research Laboratory, University of Cambridge, Cambridge CB1 8RN, UK. The Wellcome Trust Sanger Institute, Cambridge CB10 1SA, UK
| | - Li Li
- Statistical Genetics, Projects, Clinical Platforms, and Sciences (PCPS), GlaxoSmithKline, Research Triangle Park, NC 27709, USA
| | - Audrey Y Chu
- Division of Preventive Medicine, Brigham and Women's Hospital, Boston, MA 02115, USA
| | - Praveen Surendran
- Department of Public Health and Primary Care, Strangeways Research Laboratory, University of Cambridge, Cambridge CB1 8RN, UK
| | - Robin Young
- Department of Public Health and Primary Care, Strangeways Research Laboratory, University of Cambridge, Cambridge CB1 8RN, UK
| | - Niels Grarup
- The Novo Nordisk Foundation Center for Basic Metabolic Research, Faculty of Health and Medical Sciences, University of Copenhagen, 2200 Copenhagen, Denmark
| | - Alena Stancáková
- Institute of Clinical Medicine, Internal Medicine, University of Eastern Finland, FI-70211 Kuopio, Finland
| | - Yuning Chen
- Department of Biostatistics, Boston University School of Public Health, Boston, MA 02118, USA
| | - Tibor V Varga
- Department of Clinical Sciences, Genetic and Molecular Epidemiology Unit, Lund University, SE-205 Malmö, Sweden
| | - Hanieh Yaghootkar
- Genetics of Complex Traits, University of Exeter Medical School, University of Exeter, Exeter EX1 2LU, UK
| | - Jian'an Luan
- Medical Research Council (MRC) Epidemiology Unit, University of Cambridge School of Clinical Medicine, Institute of Metabolic Science, Cambridge Biomedical Campus, Cambridge CB2 0QQ, UK
| | - Jing Hua Zhao
- Medical Research Council (MRC) Epidemiology Unit, University of Cambridge School of Clinical Medicine, Institute of Metabolic Science, Cambridge Biomedical Campus, Cambridge CB2 0QQ, UK
| | - Sara M Willems
- Medical Research Council (MRC) Epidemiology Unit, University of Cambridge School of Clinical Medicine, Institute of Metabolic Science, Cambridge Biomedical Campus, Cambridge CB2 0QQ, UK. Genetic Epidemiology Unit, Department of Epidemiology, Erasmus University Medical Center, 3000 CE Rotterdam, Netherlands
| | - Jennifer Wessel
- Department of Epidemiology, Fairbanks School of Public Health, Indianapolis, IN 46202, USA. Department of Medicine, Indiana University School of Medicine, Indianapolis, IN 46202, USA
| | - Shuai Wang
- Department of Biostatistics, Boston University School of Public Health, Boston, MA 02118, USA
| | - Nisa Maruthur
- Division of General Internal Medicine, Johns Hopkins University School of Medicine, Baltimore, MD 21205, USA. Welch Center for Prevention, Epidemiology, and Clinical Research, Johns Hopkins University, Baltimore, MD 21205, USA. Department of Epidemiology, Johns Hopkins University Bloomberg School of Public Health, Baltimore, MD 21205, USA
| | - Kyriaki Michailidou
- Centre for Cancer Genetic Epidemiology, Department of Public Health and Primary Care, University of Cambridge, Strangeways Laboratory, Worts Causeway, Cambridge CB1 8RN, UK
| | - Ailith Pirie
- Centre for Cancer Genetic Epidemiology, Department of Public Health and Primary Care, University of Cambridge, Strangeways Laboratory, Worts Causeway, Cambridge CB1 8RN, UK
| | - Sven J van der Lee
- Department of Epidemiology, Erasmus University Medical Center, 3000 CA Rotterdam, Netherlands
| | - Christopher Gillson
- Medical Research Council (MRC) Epidemiology Unit, University of Cambridge School of Clinical Medicine, Institute of Metabolic Science, Cambridge Biomedical Campus, Cambridge CB2 0QQ, UK
| | - Ali Amin Al Olama
- Centre for Cancer Genetic Epidemiology, Department of Public Health and Primary Care, University of Cambridge, Strangeways Laboratory, Worts Causeway, Cambridge CB1 8RN, UK
| | - Philippe Amouyel
- University of Lille, INSERM, Centre Hospitalier Régional Universitaire de Lille, Institut Pasteur de Lille, UMR 1167, RID-AGE, F-59000 Lille, France
| | - Larraitz Arriola
- Public Health Division of Gipuzkoa, San Sebastian 20013, Spain. Instituto BIO-Donostia, Basque Government, San Sebastian 20014, Spain. CIBER Epidemiología y Salud Pública (CIBERESP), Madrid 28029, Spain
| | - Dominique Arveiler
- Department of Epidemiology and Public Health (EA3430), University of Strasbourg, 67085 Strasbourg, France
| | - Iciar Aviles-Olmos
- Sobell Department of Motor Neuroscience, UCL Institute of Neurology, London WC1N 3BG, UK
| | - Beverley Balkau
- INSERM, Centre de Recherche en Epidémiologie et Santé des Populations (CESP), 94807 Villejuif, France. Univeristy of Paris-Sud, F-94805 Villejuif, France
| | - Aurelio Barricarte
- CIBER Epidemiología y Salud Pública (CIBERESP), Madrid 28029, Spain. Navarre Public Health Institute (ISPN), Pamplona 31003, Spain
| | - Inês Barroso
- The Wellcome Trust Sanger Institute, Cambridge CB10 1SA, UK. University of Cambridge Metabolic Research Laboratories, Wellcome Trust-MRC Institute of Metabolic Science, Cambridge CB2 0QQ, UK
| | - Sara Benlloch Garcia
- Centre for Cancer Genetic Epidemiology, Department of Public Health and Primary Care, University of Cambridge, Strangeways Laboratory, Worts Causeway, Cambridge CB1 8RN, UK
| | - Joshua C Bis
- Cardiovascular Health Research Unit, Department of Medicine, University of Washington, Seattle, WA 98101, USA
| | - Stefan Blankenberg
- Department of General and Interventional Cardiology, University Heart Center Hamburg, 20246 Hamburg, Germany
| | - Michael Boehnke
- Department of Biostatistics and Center for Statistical Genetics, University of Michigan, Ann Arbor, MI 48109-2029, USA
| | - Heiner Boeing
- German Institute of Human Nutrition, Potsdam-Rehbruecke, 14558 Nuthetal, Germany
| | - Eric Boerwinkle
- Human Genetics Center, School of Public Health, University of Texas Health Science Center at Houston, Houston, TX 77025, USA. Human Genome Sequencing Center, Baylor College of Medicine, Houston, TX 77030, USA
| | - Ingrid B Borecki
- Department of Genetics, Division of Statistical Genomics, Washington University School of Medicine, St. Louis, MO 63108, USA
| | - Jette Bork-Jensen
- The Novo Nordisk Foundation Center for Basic Metabolic Research, Faculty of Health and Medical Sciences, University of Copenhagen, 2200 Copenhagen, Denmark
| | - Sarah Bowden
- Cancer Research UK Clinical Trials Unit, Institute for Cancer Studies, University of Birmingham, Edgbaston, Birmingham B15 2TT, UK
| | - Carlos Caldas
- Cancer Research UK Cambridge Institute and Department of Oncology, Li Ka Shing Centre, University of Cambridge, Cambridge CB2 0RE, UK
| | | | - L Adrienne Cupples
- Department of Biostatistics, Boston University School of Public Health, Boston, MA 02118, USA. Framingham Heart Study, National Heart, Lung, and Blood Institute (NHLBI), Framingham, MA 01702-5827, USA
| | - Carlos Cruchaga
- Department of Psychiatry, Washington University School of Medicine, St. Louis, MO 63110, USA
| | - Jacek Czajkowski
- Division of Statistical Genomics, Department of Genetics and Center for Genome Sciences and Systems Biology, Washington University School of Medicine, St. Louis, MO 63108, USA
| | - Marcel den Hoed
- Department of Medical Sciences, Molecular Epidemiology and Science for Life Laboratory, Uppsala University, SE-752 37 Uppsala, Sweden
| | - Janet A Dunn
- Warwick Clinical Trials Unit, University of Warwick, Gibbet Hill Road, Coventry CV4 7AL, UK
| | - Helena M Earl
- University of Cambridge and National Institute of Health Research Cambridge Biomedical Research Centre, Cambridge University Hospitals National Health Service Foundation Trust, Cambridge CB2 0QQ, UK
| | - Georg B Ehret
- McKusick-Nathans Institute of Genetic Medicine, Johns Hopkins University, Baltimore, MD 21205, USA
| | - Ele Ferrannini
- Consiglio Nazionale delle Ricerche (CNR), Institute of Clinical Physiology, 56124 Pisa, Italy
| | - Jean Ferrieres
- Department of Epidemiology, UMR 1027, INSERM, Centre Hospitalier Universitaire (CHU) de Toulouse, 31000 Toulouse, France
| | - Thomas Foltynie
- Sobell Department of Motor Neuroscience, UCL Institute of Neurology, London WC1N 3BG, UK
| | - Ian Ford
- University of Glasgow, Glasgow G12 8QQ, UK
| | - Nita G Forouhi
- Medical Research Council (MRC) Epidemiology Unit, University of Cambridge School of Clinical Medicine, Institute of Metabolic Science, Cambridge Biomedical Campus, Cambridge CB2 0QQ, UK
| | - Francesco Gianfagna
- Department of Clinical and Experimental Medicine, Research Centre in Epidemiology and Preventive Medicine, University of Insubria, 21100 Varese, Italy. Department of Epidemiology and Prevention, Istituti di Ricovero e Cura a Carattere Scientifico (IRCCS), Istituto Neurologico Mediterraneo Neuromed, 86077 Pozzilli, Italy
| | | | - Sara Grioni
- Epidemiology and Prevention Unit, 20133 Milan, Italy
| | - Louise Hiller
- Warwick Clinical Trials Unit, University of Warwick, Gibbet Hill Road, Coventry CV4 7AL, UK
| | - Jan-Håkan Jansson
- Research Unit, 931 41 Skellefteå, Sweden. Department of Public Health & Clinical Medicine, Umeå University, 901 85 Umeå, Sweden
| | - Marit E Jørgensen
- Steno Diabetes Center, 2820 Gentofte, Denmark. National Institute of Public Health, Southern Denmark University, DK-1353 Odense, Denmark
| | - J Wouter Jukema
- Leiden University Medical Center, 2333 ZA Leiden, Netherlands
| | - Rudolf Kaaks
- German Cancer Research Centre (DKFZ), 69120 Heidelberg, Germany
| | - Frank Kee
- UK Clinical Research Collaboration (UKCRC) Centre of Excellence for Public Health, Queen's University Belfast, Northern Ireland, Belfast BT12 6BJ, UK
| | - Nicola D Kerrison
- Medical Research Council (MRC) Epidemiology Unit, University of Cambridge School of Clinical Medicine, Institute of Metabolic Science, Cambridge Biomedical Campus, Cambridge CB2 0QQ, UK
| | | | - Jukka Kontto
- National Institute for Health and Welfare, FI-00271 Helsinki, Finland
| | | | - Aldi T Kraja
- Division of Statistical Genomics, Department of Genetics and Center for Genome Sciences and Systems Biology, Washington University School of Medicine, St. Louis, MO 63108, USA
| | - Kari Kuulasmaa
- National Institute for Health and Welfare, FI-00271 Helsinki, Finland
| | - Johanna Kuusisto
- Institute of Clinical Medicine, Internal Medicine, University of Eastern Finland, FI-70211 Kuopio, Finland. Kuopio University Hospital, FL 70029 Kuopio, Finland
| | - Allan Linneberg
- Research Centre for Prevention and Health, Capital Region, DK-2600 Copenhagen, Denmark. Department of Clinical Experimental Research, Rigshospitalet, 2100 Glostrup, Denmark. Department of Clinical Medicine, Faculty of Health and Medical Sciences, University of Copenhagen, 2200 Copenhagen, Denmark
| | - Chunyu Liu
- Framingham Heart Study, Population Sciences Branch, NHLBI/National Institutes of Health (NIH), Bethesda, MD 20892, USA
| | - Gaëlle Marenne
- The Wellcome Trust Sanger Institute, Cambridge CB10 1SA, UK
| | - Karen L Mohlke
- Department of Genetics, University of North Carolina, Chapel Hill, NC 27599-7264, USA
| | - Andrew P Morris
- Department of Biostatistics, University of Liverpool, Liverpool L69 3GL, UK. Wellcome Trust Centre for Human Genetics, University of Oxford, Oxford OX3 7BN, UK
| | - Kenneth Muir
- Centre for Epidemiology, Institute of Population Health, University of Manchester, Oxford Road, Manchester M13 9PT, UK. University of Warwick, Coventry CV4 7AL, UK
| | - Martina Müller-Nurasyid
- Institute of Genetic Epidemiology, Helmholtz Zentrum München, German Research Center for Environmental Health, D-85764 Neuherberg, Germany. Department of Medicine I, Ludwig Maximilians University Munich, 80336 Munich, Germany. DZHK (German Centre for Cardiovascular Research), partner site Munich Heart Alliance, 80802 Munich, Germany
| | - Patricia B Munroe
- Clinical Pharmacology, William Harvey Research Institute, Barts and The London School of Medicine and Dentistry, Queen Mary University of London, London EC1M 6BQ, UK
| | - Carmen Navarro
- CIBER Epidemiología y Salud Pública (CIBERESP), Madrid 28029, Spain. Department of Epidemiology, Murcia Regional Health Council, IMIB-Arrixaca, Murcia 30008, Spain
| | - Sune F Nielsen
- Department of Clinical Biochemistry, Herlev Hospital, Copenhagen University Hospital, University of Copenhagen, 2730 Copenhagen, Denmark
| | | | - Børge G Nordestgaard
- Department of Clinical Biochemistry, Herlev Hospital, Copenhagen University Hospital, University of Copenhagen, 2730 Copenhagen, Denmark
| | | | - Domenico Palli
- Cancer Research and Prevention Institute (ISPO), 50141 Florence, Italy
| | - Salvatore Panico
- Dipartimento di Medicina Clinica e Chirurgia, Federico II University, 80131 Naples, Italy
| | - Gina M Peloso
- Center for Human Genetic Research, Massachusetts General Hospital, Boston, MA 02114, USA. Cardiovascular Research Center, Massachusetts General Hospital, Boston, MA 02114, USA. Program in Medical and Population Genetics, Broad Institute, Cambridge, MA 02142, USA
| | - Markus Perola
- National Institute for Health and Welfare, FI-00271 Helsinki, Finland. Institute of Molecular Medicine Finland (FIMM), University of Helsinki, FI-00014 Helsinki, Finland
| | - Annette Peters
- DZHK (German Centre for Cardiovascular Research), partner site Munich Heart Alliance, 80802 Munich, Germany. Institute of Epidemiology II, Helmholtz Zentrum München, German Research Center for Environmental Health, D-85764 Neuherberg, Germany
| | - Christopher J Poole
- University of Warwick, Coventry CV4 7AL, UK. Department of Medical Oncology, Arden Cancer Centre, University Hospital Coventry and Warwickshire, West Midlands CV2 2DX, UK
| | - J Ramón Quirós
- Public Health Directorate, 33006 Oviedo, Asturias, Spain
| | | | - Carlotta Sacerdote
- Unit of Cancer Epidemiology, Citta' della Salute e della Scienza Hospital, University of Turin, 10126 Torino, Italy. Center for Cancer Prevention (CPO), 10126 Torino, Italy. Human Genetics Foundation, 10126 Torino, Italy
| | - Veikko Salomaa
- National Institute for Health and Welfare, FI-00271 Helsinki, Finland
| | - María-José Sánchez
- CIBER Epidemiología y Salud Pública (CIBERESP), Madrid 28029, Spain. Escuela Andaluza de Salud Pública, Instituto de Investigación Biosanitaria ibs.GRANADA. Hospitales Universitarios de Granada/Universidad de Granada, Granada 18012, Spain
| | | | - Stephen J Sharp
- Medical Research Council (MRC) Epidemiology Unit, University of Cambridge School of Clinical Medicine, Institute of Metabolic Science, Cambridge Biomedical Campus, Cambridge CB2 0QQ, UK
| | - Rebecca Sims
- Institute of Psychological Medicine and Clinical Neuroscience, MRC Centre, Cardiff University, Cardiff CF24 4HQ, UK
| | - Nadia Slimani
- International Agency for Research on Cancer, 69372 Lyon, France
| | - Jennifer A Smith
- Department of Epidemiology, School of Public Health, University of Michigan, Ann Arbor, MI 48109-2029, USA
| | - Deborah J Thompson
- Centre for Cancer Genetic Epidemiology, Department of Public Health and Primary Care, University of Cambridge, Strangeways Laboratory, Worts Causeway, Cambridge CB1 8RN, UK
| | - Stella Trompet
- Leiden University Medical Center, 2333 ZA Leiden, Netherlands
| | - Rosario Tumino
- Cancer Registry and Histopathology Unit, "Civic-M.P. Arezzo" Hospital, ASP Ragusa, 97100 Ragusa, Italy
| | - Daphne L van der A
- National Institute for Public Health and the Environment (RIVM), 3720 BA Bilthoven, Netherlands
| | | | - Jarmo Virtamo
- National Institute for Health and Welfare, FI-00271 Helsinki, Finland
| | - Mark Walker
- Institute of Cellular Medicine, Newcastle University, Newcastle upon Tyne NE2 4HH, UK
| | - Klaudia Walter
- The Wellcome Trust Sanger Institute, Cambridge CB10 1SA, UK
| | - Jean E Abraham
- Centre for Cancer Genetic Epidemiology, Department of Oncology, University of Cambridge, Strangeways Laboratory, Worts Causeway, Cambridge CB1 8RN, UK
| | - Laufey T Amundadottir
- Laboratory of Translational Genomics, Division of Cancer Epidemiology and Genetics, National Cancer Institute, NIH, Bethesda, MD 20892, USA
| | - Jennifer L Aponte
- Genetics, PCPS, GlaxoSmithKline, Research Triangle Park, NC 27709, USA
| | - Adam S Butterworth
- Department of Public Health and Primary Care, Strangeways Research Laboratory, University of Cambridge, Cambridge CB1 8RN, UK
| | - Josée Dupuis
- Department of Biostatistics, Boston University School of Public Health, Boston, MA 02118, USA
| | - Douglas F Easton
- Centre for Cancer Genetic Epidemiology, Department of Public Health and Primary Care, University of Cambridge, Strangeways Laboratory, Worts Causeway, Cambridge CB1 8RN, UK. Centre for Cancer Genetic Epidemiology, Department of Oncology, University of Cambridge, Strangeways Laboratory, Worts Causeway, Cambridge CB1 8RN, UK
| | - Rosalind A Eeles
- The Institute of Cancer Research, London SM2 5NG, UK. Royal Marsden NHS Foundation Trust, Fulham and Sutton, London and Surrey SW3 6JJ, UK
| | - Jeanette Erdmann
- Institut für Integrative und Experimentelle Genomik, Universität zu Lübeck, 23562 Lübeck, Germany
| | - Paul W Franks
- Department of Clinical Sciences, Genetic and Molecular Epidemiology Unit, Lund University, SE-205 Malmö, Sweden. Department of Public Health & Clinical Medicine, Umeå University, 901 85 Umeå, Sweden. Department of Nutrition, Harvard T. H. Chan School of Public Health, Boston, MA 02115, USA
| | - Timothy M Frayling
- Genetics of Complex Traits, University of Exeter Medical School, University of Exeter, Exeter EX1 2LU, UK
| | - Torben Hansen
- The Novo Nordisk Foundation Center for Basic Metabolic Research, Faculty of Health and Medical Sciences, University of Copenhagen, 2200 Copenhagen, Denmark
| | - Joanna M M Howson
- Department of Public Health and Primary Care, Strangeways Research Laboratory, University of Cambridge, Cambridge CB1 8RN, UK
| | - Torben Jørgensen
- Research Centre for Prevention and Health, DK-2600 Capital Region, Denmark. Department of Public Health, Institute of Health Science, University of Copenhagen, 1014 Copenhagen, Denmark. Faculty of Medicine, Aalborg University, 9220 Aalborg, Denmark
| | - Jaspal Kooner
- National Heart and Lung Institute, Imperial College London, London SW3 6LY, UK. Imperial College Healthcare NHS Trust, London W2 1NY, UK. Ealing Hospital NHS Trust, Middlesex UB1 3HW, UK
| | - Markku Laakso
- Department of Medicine, University of Kuopio, FI-70211 Kuopio, Finland
| | - Claudia Langenberg
- Medical Research Council (MRC) Epidemiology Unit, University of Cambridge School of Clinical Medicine, Institute of Metabolic Science, Cambridge Biomedical Campus, Cambridge CB2 0QQ, UK
| | - Mark I McCarthy
- Wellcome Trust Centre for Human Genetics, University of Oxford, Oxford OX3 7BN, UK. Oxford Centre for Diabetes, Endocrinology and Metabolism (OCDEM), University of Oxford, Oxford, UK
| | - James S Pankow
- Division of Epidemiology and Community Health, School of Public Health, University of Minnesota, Minneapolis, MN 55455-0381, USA
| | - Oluf Pedersen
- The Novo Nordisk Foundation Center for Basic Metabolic Research, Faculty of Health and Medical Sciences, University of Copenhagen, 2200 Copenhagen, Denmark
| | - Elio Riboli
- School of Public Health, Imperial College London, London W2 1PG, UK
| | - Jerome I Rotter
- Institute for Translational Genomics and Population Sciences, Los Angeles Biomedical Research Institute at Harbor-University of California, Los Angeles Medical Center, Torrance, CA 90502, USA
| | - Danish Saleheen
- Department of Biostatistics and Epidemiology, University of Pennsylvania, Philadelphia, PA 19104, USA
| | - Nilesh J Samani
- Department of Cardiovascular Sciences, University of Leicester, Glenfield Hospital, Leicester LE3 9QP, UK. National Institute for Health Research, Leicester Cardiovascular Biomedical Research Unit, Glenfield Hospital, Leicester LE3 9QP, UK
| | - Heribert Schunkert
- DZHK (German Centre for Cardiovascular Research), partner site Munich Heart Alliance, 80802 Munich, Germany. Deutsches Herzzentrum München, Technische Universität München, 80636 Munich, Germany
| | - Peter Vollenweider
- Department of Internal Medicine, BH10-462, Internal Medicine, Lausanne University Hospital (CHUV), CH-1011 Lausanne, Switzerland
| | - Stephen O'Rahilly
- University of Cambridge Metabolic Research Laboratories, Wellcome Trust-MRC Institute of Metabolic Science, Cambridge CB2 0QQ, UK. MRC Metabolic Diseases Unit, Cambridge CB2 0QQ, UK. National Institute for Health Research Cambridge Biomedical Research Centre, Cambridge CB2 0QQ, UK
| | - Panos Deloukas
- William Harvey Research Institute, Barts and The London School of Medicine and Dentistry, Queen Mary University of London, London EC1M 6BQ, UK
| | - John Danesh
- Department of Public Health and Primary Care, Strangeways Research Laboratory, University of Cambridge, Cambridge CB1 8RN, UK. The Wellcome Trust Sanger Institute, Cambridge CB10 1SA, UK
| | - Mark O Goodarzi
- Division of Endocrinology, Diabetes and Metabolism, Cedars-Sinai Medical Center, Los Angeles, CA 90048, USA
| | - Sekar Kathiresan
- Cardiovascular Research Center, Massachusetts General Hospital, Boston, MA 02114, USA. Broad Institute of Harvard and MIT, Cambridge, MA 02142, USA. Cardiology Division, Center for Human Genetic Research, Massachusetts General Hospital and Harvard Medical School, Boston, MA 02114, USA
| | - James B Meigs
- Division of General Internal Medicine, Department of Medicine, Massachusetts General Hospital, Boston, MA 02114, USA. Department of Medicine, Harvard Medical School, Boston, MA 02115, USA
| | - Margaret G Ehm
- Genetics, PCPS, GlaxoSmithKline, Research Triangle Park, NC 27709, USA
| | - Nicholas J Wareham
- Medical Research Council (MRC) Epidemiology Unit, University of Cambridge School of Clinical Medicine, Institute of Metabolic Science, Cambridge Biomedical Campus, Cambridge CB2 0QQ, UK.
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Efficacy and Acceptability of Glycemic Control of Glucagon-Like Peptide-1 Receptor Agonists among Type 2 Diabetes: A Systematic Review and Network Meta-Analysis. PLoS One 2016; 11:e0154206. [PMID: 27158818 PMCID: PMC4861281 DOI: 10.1371/journal.pone.0154206] [Citation(s) in RCA: 19] [Impact Index Per Article: 2.4] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/09/2015] [Accepted: 04/11/2016] [Indexed: 12/26/2022] Open
Abstract
Objective To synthesize current evidence of the impact of Glucagon-like peptide-1 receptor agonists (GLP-1 RAs) on hypoglycemia, treatment discontinuation and glycemic level in patients with type 2 diabetes. Design Systematic review and network meta-analysis. Data Sources Literature search (Medline, Embase, the Cochrane library), website of clinical trial, bibliographies of published systematic reviews. Eligibility Criteria Randomized controlled trials with available data comparing GLP-1 RAs with placebo or traditional anti-diabetic drugs in patients with type 2 diabetes. Data Synthesis Traditional pairwise meta-analyses within DerSimonian-Laird random effects model and network meta-analysis within a Bayesian framework were performed to calculate odds ratios for the incidence of hypoglycemia, treatment discontinuation, HbA1c<7.0% and HbA1c<6.5%. Ranking probabilities for all treatments were estimated to obtain a treatment hierarchy using the surface under the cumulative ranking curve (SUCRA) and mean ranks. Results 78 trials with 13 treatments were included. Overall, all GLP-1 RAs except for albiglutide increased the risk of hypoglycemia when compared to placebo. Reduction in the incidence of hypoglycemia was found for all GLP-1 RAs versus insulin (except for dulaglutide) and sulphonylureas. For the incidence of treatment discontinuation, increase was found for exenatide, liraglutide, lixisenatide and taspoglutide versus placebo, insulin and sitagliptin. For glycemic level, decrease was found for all GLP-1 RAs versus placebo. Dulaglutide, exenatide long-acting release (exe_lar), liraglutide and taspoglutide had significant lowering effect when compared with sitagliptin (HbA1c<7.0%) and insulin (HbA1c<6.5%). Finally, according to SUCRAs, placebo, thiazolidinediones and albiglutide had the best decrease effect on hypoglycemia; sulphanylureas, sitagliptin and insulin decrease the incidence of treatment discontinuation most; exe_lar and dulaglutide had the highest impact on glycemic level among 13 treatments. Conclusions Among 13 treatments, GLP-1 RAs had a significant reduction with glycemic level but a slight increase effect on hypoglycemia and treatment discontinuation. While albiglutide had the best decrease effect on hypoglycemia and treatment discontinuation among all GLP-1 RAs. However, further evidence is necessary for more conclusive inferences on mechanisms underlying the rise in hypoglycemia.
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Quan H, Zhang H, Wei W, Fang T. Gender-related different effects of a combined therapy of Exenatide and Metformin on overweight or obesity patients with type 2 diabetes mellitus. J Diabetes Complications 2016; 30:686-92. [PMID: 26873871 DOI: 10.1016/j.jdiacomp.2016.01.013] [Citation(s) in RCA: 25] [Impact Index Per Article: 3.1] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 11/16/2015] [Revised: 01/12/2016] [Accepted: 01/13/2016] [Indexed: 02/07/2023]
Abstract
BACKGROUND Although men and women have similar diabetes prevalence, the same medicine will cause different therapeutic results in different genders. To understand the molecular mechanism, we explored the effects of a combined therapy of Exenatide and Metformin on obesity and overweight female and male patients with newly diagnosed type 2 diabetes mellitus (T2DM). METHODS One hundred and five overweight and obesity patients with newly diagnosed T2DM (n=54 female in a female group and n=51 males in a male group) received the therapy: 5 μg Exenatide+0.5 g MET twice daily for 4 weeks, then 10 μg Exenatide+0.5 g MET twice daily for 24 weeks. RESULTS There was an average of 8.2 ± 2.4 kg and 4.6 ± 2.3 kg weight loss in female and male patients, respectively. The combined therapy showed better effects on female than male patients for improving insulin sensitivity and serum lipid profile, reducing insulin resistance, increasing adiponectin levels, and decreasing the levels of HbA1c, BMI, resistin, TNF-alpha and C-reactive protein (P<0.05). CONCLUSIONS The combined therapy of Exenatide and MET shows better therapeutic results in female patients than in male patients. Therefore, the dual therapy is more suitable for female patients.
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Affiliation(s)
- Huibiao Quan
- Department of Endocrinology, People's Hospital of Hainan Province, Haikou, Hainan 570311, China.
| | - Huachuan Zhang
- Endocrine Laboratory, People's Hospital of Hainan Province, Haikou, Hainan 570311, China
| | - Weiping Wei
- Department of Endocrinology, People's Hospital of Hainan Province, Haikou, Hainan 570311, China
| | - Tuanyu Fang
- Department of Endocrinology, People's Hospital of Hainan Province, Haikou, Hainan 570311, China
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Anti-Inflammatory Effects of GLP-1-Based Therapies beyond Glucose Control. Mediators Inflamm 2016; 2016:3094642. [PMID: 27110066 PMCID: PMC4823510 DOI: 10.1155/2016/3094642] [Citation(s) in RCA: 246] [Impact Index Per Article: 30.8] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/05/2016] [Revised: 03/02/2016] [Accepted: 03/03/2016] [Indexed: 12/22/2022] Open
Abstract
Glucagon-like peptide-1 (GLP-1) is an incretin hormone mainly secreted from intestinal L cells in response to nutrient ingestion. GLP-1 has beneficial effects for glucose homeostasis by stimulating insulin secretion from pancreatic beta-cells, delaying gastric emptying, decreasing plasma glucagon, reducing food intake, and stimulating glucose disposal. Therefore, GLP-1-based therapies such as GLP-1 receptor agonists and inhibitors of dipeptidyl peptidase-4, which is a GLP-1 inactivating enzyme, have been developed for treatment of type 2 diabetes. In addition to glucose-lowering effects, emerging data suggests that GLP-1-based therapies also show anti-inflammatory effects in chronic inflammatory diseases including type 1 and 2 diabetes, atherosclerosis, neurodegenerative disorders, nonalcoholic steatohepatitis, diabetic nephropathy, asthma, and psoriasis. This review outlines the anti-inflammatory actions of GLP-1-based therapies on diseases associated with chronic inflammation in vivo and in vitro, and their molecular mechanisms of anti-inflammatory action.
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Savvidou S, Karatzidou K, Tsakiri K, Gagalis A, Hytiroglou P, Goulis J. Circulating adiponectin levels in type 2 diabetes mellitus patients with or without non-alcoholic fatty liver disease: Results of a small, open-label, randomized controlled intervention trial in a subgroup receiving short-term exenatide. Diabetes Res Clin Pract 2016; 113:125-34. [PMID: 26803355 DOI: 10.1016/j.diabres.2015.12.003] [Citation(s) in RCA: 14] [Impact Index Per Article: 1.8] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 07/10/2015] [Revised: 10/19/2015] [Accepted: 12/27/2015] [Indexed: 02/08/2023]
Abstract
AIM Diabetes mellitus type 2 (DMT2) and non-alcoholic fatty liver disease (NAFLD) are both characterized by decreased circulating adiponectin. Recently, glucagon-like peptide-1 receptor agonists have been shown to induce adiponectin's expression. However, their interaction on clinical grounds needs to be further elucidated. METHODS DMT2 patients with abnormal aminotransferases were screened for NAFLD and subjected to liver biopsy (group A, n=17). A subgroup of patients (n=110), after assessed for eligibility criteria, was blindly randomized to receive either 6-month exenatide supplementation on glargine insulin (group B) or intense, self-regulated, insulin therapy alone (group C). RESULTS Baseline patient characteristics: 49(38.6%) males, aged 63.1 ± 7.5 years-old, BMI 32.9 ± 4.9 kg/m(2), HbA1c 8.1 ± 1.2% (65 ± 14 mmol/mol), median ALT 23 U/L (range 5-126), AST 20 U/L (7-72). Group A had biopsy-proven NAFLD with a median Activity Score of 5 and fibrosis stage 3. Presence of NAFLD was accompanied by a significant decline in adiponectin (p<0.001), which was negatively correlated with the degree of ALT in all groups (Spearman's correlation, rs=-0.644, p<0.001). In the subgroup intervention trial, adiponectin was significantly raised in both groups B and C (t-Student for paired samples, p=0.001) by Δ=+24.2% (interquartile range 14.8-53.2%). This elevation was not associated with the type of intervention but with weight loss, glycemic control and reduction of C-reactive protein (one-way ANCOVA). CONCLUSION Supplementation of exenatide to glargine insulin compared to standard insulin was: (i) effective in inducing weight loss, (ii) non-inferior in lowering HbA1c and (iii) non-inferior in increasing circulating adiponectin. Higher adiponectin was associated with lower ALT, suggesting a hepato-protective role for this cytokine.
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Affiliation(s)
- Savvoula Savvidou
- Medical Center of Diabetes Mellitus, 1st Department of Internal Medicine, "Papageorgiou" University Hospital of Thessaloniki, Greece; Hepatology Outpatients' Clinic, "Papageorgiou" University Hospital of Thessaloniki, Greece; 4th Department of Internal Medicine, Hippocration University Hospital of Thessaloniki, Greece.
| | - Kyparissia Karatzidou
- Medical Center of Diabetes Mellitus, 1st Department of Internal Medicine, "Papageorgiou" University Hospital of Thessaloniki, Greece
| | - Kalliopi Tsakiri
- Medical Center of Diabetes Mellitus, 1st Department of Internal Medicine, "Papageorgiou" University Hospital of Thessaloniki, Greece
| | - Asterios Gagalis
- Hepatology Outpatients' Clinic, "Papageorgiou" University Hospital of Thessaloniki, Greece
| | - Prodromos Hytiroglou
- Department of Pathology, Medical School of Aristotle University of Thessaloniki, Greece
| | - John Goulis
- 4th Department of Internal Medicine, Hippocration University Hospital of Thessaloniki, Greece
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Phase III Study on Efficacy and Safety of Triple Combination (Exenatide/Metformin/Biphasic Insulin Aspart) Therapy for Type 2 Diabetes Mellitus. Am J Ther 2016; 25:e609-e616. [PMID: 26844723 DOI: 10.1097/mjt.0000000000000431] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/25/2022]
Abstract
Exenatide, metformin (MET), and biphasic insulin aspart 30 (BIA30) have been widely used in the treatment of patients with type 2 diabetes mellitus (T2DM); however, each of these medications has significant adverse effects, which limit their utilization. This study aimed to evaluate the efficacy and safety of triple combination (exenatide/metformin/biphasic insulin aspart) therapy for T2DM. Two hundred patients with poorly controlled T2DM were randomly divided into the low-dose (0.5 μg exenatide, 0.05 U·kg·d BIA30, and 0.01 g MET twice daily) and normal-dose (2 μg exenatide, 0.2 U·kg·d BIA30, and 0.05 g MET twice daily) groups for 48 weeks of treatment. Of note, 82 and 90 individuals from the low-dose and normal-dose groups, respectively, completed the study. The levels of adiponectin, C-reactive protein, tumor necrosis factor-α, and resistin were measured. The normal-dose treatment was more effective at lowering hemoglobin A1c levels than the low-dose therapy (HbA1c changes of -2.5 ± 0.19% and -0.8 ± 0.07%, respectively) after 48 weeks. The maximum weight decrease was 0.9 kg in the low-dose group and 4.0 kg in the normal-dose group. The triple combination therapy increased the levels of insulin sensitivity and adiponectin and reduced the levels of C-reactive protein, resistin, and tumor necrosis factor-α. No significant difference in the adverse effects was found between the low-dose and normal-dose groups (P > 0.05). In conclusion, the investigated triple combination therapy for T2MD is therefore an effective and safe therapeutic strategy.
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Østergaard L, Frandsen CS, Madsbad S. Treatment potential of the GLP-1 receptor agonists in type 2 diabetes mellitus: a review. Expert Rev Clin Pharmacol 2016; 9:241-65. [PMID: 26573176 DOI: 10.1586/17512433.2016.1121808] [Citation(s) in RCA: 19] [Impact Index Per Article: 2.4] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/19/2022]
Abstract
Over the last decade, the discovery of glucagon-like peptide 1 receptor agonists (GLP-1 RAs) has increased the treatment options for patients with type 2 diabetes mellitus (T2DM). GLP-1 RAs mimic the effects of native GLP-1, which increases insulin secretion, inhibits glucagon secretion, increases satiety and slows gastric emptying. This review evaluates the phase III trials for all approved GLP-1 RAs and reports that all GLP-1 RAs decrease HbA1c, fasting plasma glucose, and lead to a reduction in body weight in the majority of trials. The most common adverse events are nausea and other gastrointestinal discomfort, while hypoglycaemia is rarely reported when GLP-1 RAs not are combined with sulfonylurea or insulin. Treatment options in the near future will include co-formulations of basal insulin and a GLP-1 RA.
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Affiliation(s)
- L Østergaard
- a Department of Endocrinology, Hvidovre Hospital , University of Copenhagen , Copenhagen , Denmark
| | - Christian S Frandsen
- a Department of Endocrinology, Hvidovre Hospital , University of Copenhagen , Copenhagen , Denmark
| | - S Madsbad
- a Department of Endocrinology, Hvidovre Hospital , University of Copenhagen , Copenhagen , Denmark
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Exenatide twice daily: a review of its use in the management of patients with type 2 diabetes mellitus. Drugs 2015; 74:325-51. [PMID: 24435322 DOI: 10.1007/s40265-013-0172-6] [Citation(s) in RCA: 33] [Impact Index Per Article: 3.7] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/11/2022]
Abstract
Exenatide, administered subcutaneously twice daily (Byetta(®)), is a synthetic version of the natural peptide exendin-4, which is a glucagon-like peptide-1 (GLP-1) receptor agonist (incretin mimetic). Exenatide binds to the GLP-1 receptor with the same affinity as GLP-1, but has a much longer half-life, since it is not degraded by the enzyme dipeptidyl peptidase-4. Exenatide twice daily enhances glucose-dependent insulin secretion, suppresses inappropriately elevated glucagon secretion, slows gastric emptying and reduces caloric intake. In well-designed clinical trials, adjunctive subcutaneous exenatide 5 or 10 μg twice daily for 16-52 weeks significantly and dose-dependently improved glycaemic control and reduced mean body weight compared with placebo in patients with type 2 diabetes inadequately controlled with oral antihyperglycaemic drugs (OADs) and/or basal insulin. The improvements in glycaemic control and reductions in body weight were stably maintained during long-term therapy (up to 3.5 years). The efficacy of adjunctive exenatide twice daily was generally similar to that of basal, prandial or biphasic insulin, sulfonylureas, rosiglitazone and lixisenatide, and less than that of liraglutide, taspoglutide or exenatide once weekly with respect to reductions in glycated haemoglobin. Exenatide twice daily was generally well tolerated; mild to moderate nausea and vomiting, which decreased with time on therapy, were the most common adverse events. In patients not receiving concomitant sulfonylureas or insulin, the incidence of hypoglycaemia was low; when it did occur, it was generally mild in severity. Thus, adjunctive exenatide twice daily is a valuable option in the treatment of type 2 diabetes inadequately controlled with OADs and/or basal insulin.
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Rotz ME, Ganetsky VS, Sen S, Thomas TF. Implications of incretin-based therapies on cardiovascular disease. Int J Clin Pract 2015; 69:531-49. [PMID: 25363540 DOI: 10.1111/ijcp.12572] [Citation(s) in RCA: 10] [Impact Index Per Article: 1.1] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 06/16/2014] [Accepted: 09/08/2014] [Indexed: 12/13/2022] Open
Abstract
BACKGROUND Incretin-based therapies offer another treatment option for patients with type 2 diabetes. Agents that provide glycaemic control in addition to attenuating cardiovascular disease (CVD) risk factors are important for diabetes management. This review will focus on the off-target effects of incretin-based therapies on CVD risk factors [body weight, blood pressure (BP), lipid profile and albuminuria], major adverse cardiovascular events (MACE), heart failure (HF) and beta-cell preservation. METHODS A literature search was conducted to identify English-language publications for incretin-based therapies evaluating the following off-target end-points: body weight, BP, lipid profile, albuminuria, MACE, HF and beta-cell function. Randomised controlled trials (RCTs) were prioritised as the primary source of information. RESULTS Overall, incretin-based therapies have shown beneficial effects on CVD risk factors, and glucagon-like peptide 1 (GLP-1) receptor agonists appear to have a more pronounced effect compared with dipeptidyl peptidase-4 inhibitors. RCTs are being conducted to determine if these positive effects on CVD risk factors translate to a reduction in MACE. To date, these studies have not shown an increase in MACE. A signal of increased hospitalisations for HF was observed with saxagliptin, warranting continued evaluation and vigilance in high-risk patients. In addition, incretin-based therapies have shown positive effects on measures of beta-cell function supporting their durability in the management of diabetes. CONCLUSIONS Incretin-based therapies are an important treatment option for patients with type 2 diabetes, offering beneficial effects on CVD risk factors without increasing MACE.
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Affiliation(s)
- M E Rotz
- Temple University School of Pharmacy, Philadelphia, PA, USA
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Mearns ES, Sobieraj DM, White CM, Saulsberry WJ, Kohn CG, Doleh Y, Zaccaro E, Coleman CI. Comparative efficacy and safety of antidiabetic drug regimens added to metformin monotherapy in patients with type 2 diabetes: a network meta-analysis. PLoS One 2015; 10:e0125879. [PMID: 25919293 PMCID: PMC4412636 DOI: 10.1371/journal.pone.0125879] [Citation(s) in RCA: 101] [Impact Index Per Article: 11.2] [Reference Citation Analysis] [Abstract] [MESH Headings] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/31/2014] [Accepted: 03/23/2015] [Indexed: 01/10/2023] Open
Abstract
Introduction When first line therapy with metformin is insufficient for patients with type 2 diabetes (T2D), the optimal adjunctive therapy is unclear. We assessed the efficacy and safety of adjunctive antidiabetic agents in patients with inadequately controlled T2D on metformin alone. Materials and Methods A search of MEDLINE and CENTRAL, clinicaltrials.gov, regulatory websites was performed. We included randomized controlled trials of 3–12 months duration, evaluating Food and Drug Administration or European Union approved agents (noninsulin and long acting, once daily basal insulins) in patients experiencing inadequate glycemic control with metformin monotherapy (≥1500 mg daily or maximally tolerated dose for ≥4 weeks). Random-effects network meta-analyses were used to compare the weighted mean difference for changes from baseline in HbA1c, body weight (BW) and systolic blood pressure (SBP), and the risk of developing hypoglycemia, urinary (UTI) and genital tract infection (GTI). Results Sixty-two trials evaluating 25 agents were included. All agents significantly reduced HbA1c vs. placebo; albeit not to the same extent (range, 0.43% for miglitol to 1.29% for glibenclamide). Glargine, sulfonylureas (SUs) and nateglinide were associated with increased hypoglycemia risk vs. placebo (range, 4.00–11.67). Sodium glucose cotransporter-2 (SGLT2) inhibitors, glucagon-like peptide-1 analogs, miglitol and empagliflozin/linagliptin significantly reduced BW (range, 1.15–2.26kg) whereas SUs, thiazolindinediones, glargine and alogliptin/pioglitazone caused weight gain (range, 1.19–2.44kg). SGLT2 inhibitors, empagliflozin/linagliptin, liraglutide and sitagliptin decreased SBP (range, 1.88–5.43mmHg). No therapy increased UTI risk vs. placebo; however, SGLT2 inhibitors were associated with an increased risk of GTI (range, 2.16–8.03). Conclusions Adding different AHAs to metformin was associated with varying effects on HbA1c, BW, SBP, hypoglycemia, UTI and GTI which should impact clinician choice when selecting adjunctive therapy.
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Affiliation(s)
- Elizabeth S. Mearns
- Department of Pharmacy Practice, School of Pharmacy, University of Connecticut, Storrs, Connecticut, United States of America
- Evidence-Based Practice Center, Hartford Hospital, Hartford, Connecticut, United States of America
| | - Diana M. Sobieraj
- Department of Pharmacy Practice, School of Pharmacy, University of Connecticut, Storrs, Connecticut, United States of America
- Evidence-Based Practice Center, Hartford Hospital, Hartford, Connecticut, United States of America
| | - C. Michael White
- Department of Pharmacy Practice, School of Pharmacy, University of Connecticut, Storrs, Connecticut, United States of America
- Evidence-Based Practice Center, Hartford Hospital, Hartford, Connecticut, United States of America
| | - Whitney J. Saulsberry
- Department of Pharmacy Practice, School of Pharmacy, University of Connecticut, Storrs, Connecticut, United States of America
- Evidence-Based Practice Center, Hartford Hospital, Hartford, Connecticut, United States of America
| | - Christine G. Kohn
- Department of Pharmacy Practice, School of Pharmacy, University of Saint Joseph, Hartford, Connecticut, United States of America
| | - Yunes Doleh
- Department of Pharmacy Practice, School of Pharmacy, University of Connecticut, Storrs, Connecticut, United States of America
| | - Eric Zaccaro
- Department of Pharmacy Practice, School of Pharmacy, University of Connecticut, Storrs, Connecticut, United States of America
| | - Craig I. Coleman
- Department of Pharmacy Practice, School of Pharmacy, University of Connecticut, Storrs, Connecticut, United States of America
- Evidence-Based Practice Center, Hartford Hospital, Hartford, Connecticut, United States of America
- * E-mail:
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Harris KB, McCarty DJ. Efficacy and tolerability of glucagon-like peptide-1 receptor agonists in patients with type 2 diabetes mellitus. Ther Adv Endocrinol Metab 2015; 6:3-18. [PMID: 25678952 PMCID: PMC4321868 DOI: 10.1177/2042018814558242] [Citation(s) in RCA: 38] [Impact Index Per Article: 4.2] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 01/11/2023] Open
Abstract
Glucagon-like peptide-1 (GLP-1) has been evaluated for use in the treatment of type 2 diabetes mellitus (T2DM) due to its role in glucose regulation. Four GLP-1 receptor agonists (RAs) are currently indicated for T2DM in the USA. Exenatide and liraglutide are short-acting and require twice-daily and daily dosing, respectively. Two longer acting agents, exenatide long-acting release (LAR) and albiglutide, were formulated to allow for once-weekly dosing. All four GLP-1 RAs have demonstrated reductions in hemoglobin A1c, fasting blood glucose, and body weight both as monotherapy and in combination with first- and second-line diabetes agents including metformin, sulfonylureas, thiazolidinediones, and insulin. Greater glycemic control was seen with liraglutide compared with the other GLP-1 treatment options; however, the two long-acting agents were superior to exenatide twice daily. All agents were well tolerated with most adverse events being mild or moderate in nature. The most common adverse event was transient nausea which typically resolved 4-8 weeks after treatment initiation. Long-acting agents had lower rates of nausea but an increased incidence of injection site reactions. Trials have suggested GLP-1 RAs may improve cardiovascular risk factors including blood pressure, lipid parameters and inflammatory markers. Future trials are needed to confirm the clinical outcomes of these agents. Overall, GLP-1 RAs will provide benefit for patients with T2DM intolerable to or not reaching glycemic goals with first-line agents, especially in patients in need of weight loss.
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Affiliation(s)
- Kira B Harris
- Assistant Professor, Wingate University School of Pharmacy, 515 North Main Street, Wingate, NC 28174, USA
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Hannon TS, Kirkman MS, Patel YR, Considine RV, Mather KJ. Profound defects in β-cell function in screen-detected type 2 diabetes are not improved with glucose-lowering treatment in the Early Diabetes Intervention Program (EDIP). Diabetes Metab Res Rev 2014; 30:767-76. [PMID: 24819707 PMCID: PMC4229481 DOI: 10.1002/dmrr.2553] [Citation(s) in RCA: 9] [Impact Index Per Article: 0.9] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 12/04/2013] [Revised: 03/31/2014] [Accepted: 04/07/2014] [Indexed: 11/07/2022]
Abstract
BACKGROUND Few studies have measured the ability of interventions to affect declining β-cell function in screen-detected type 2 diabetes. The Early Diabetes Intervention Programme (ClinicalTrials.gov NCT01470937) was a randomized study based on the hypothesis that improving postprandial glucose excursions with acarbose would slow the progression of fasting hyperglycaemia in screen-detected type 2 diabetes. In the Early Diabetes Intervention Programme, the effect of acarbose plus lifestyle advice on progression of fasting hyperglycaemia over a 5-year period was not greater than that of placebo. However, there was an early glucose-lowering effect of the trial. The objective of the current secondary analysis was to describe β-cell function changes in response to glucose lowering. METHODS Participants were overweight adult subjects with screen-detected type 2 diabetes. β-cell function was measured using hyperglycaemic clamps and oral glucose tolerance testing. The primary outcome was the change in β-cell function from baseline to year 1, the time point where the maximal glucose-lowering effect was seen. RESULTS At baseline, participants exhibited markedly impaired first-phase insulin response. Despite significant reductions in weight, fasting plasma glucose (PG) and 2-h PG, there was no clinically significant improvement in the first-phase insulin response. Late-phase insulin responses declined despite beneficial glycaemic effects of interventions. CONCLUSIONS Insulin secretion is already severely impaired in early, screen-detected type 2 diabetes. Effective glucose-lowering intervention with acarbose was not sufficient to improve insulin secretion or halt the decline of β-cell function.
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Affiliation(s)
- Tamara S Hannon
- Indiana University School of Medicine, Indianapolis, IN, USA
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Wang XC, Gusdon AM, Liu H, Qu S. Effects of glucagon-like peptide-1 receptor agonists on non-alcoholic fatty liver disease and inflammation. World J Gastroenterol 2014; 20:14821-14830. [PMID: 25356042 PMCID: PMC4209545 DOI: 10.3748/wjg.v20.i40.14821] [Citation(s) in RCA: 72] [Impact Index Per Article: 7.2] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 03/25/2014] [Revised: 05/14/2014] [Accepted: 07/16/2014] [Indexed: 02/06/2023] Open
Abstract
Glucagon-like peptide1 (GLP-1) is secreted from Langerhans cells in response to oral nutrient intake. Glucagon-like peptide-1 receptor agonists (GLP-1RAs) are a new class of incretin-based anti-diabetic drugs. They function to stimulate insulin secretion while suppressing glucagon secretion. GLP-1-based therapies are now well established in the management of type 2 diabetes mellitus (T2DM), and recent literature has suggested potential applications of these drugs in the treatment of obesity and for protection against cardiovascular and neurological diseases. As we know, along with change in lifestyles, the prevalence of non-alcoholic fatty liver disease (NAFLD) in China is rising more than that of viral hepatitis and alcoholic fatty liver disease, and NAFLD has become the most common chronic liver disease in recent years. Recent studies further suggest that GLP-1RAs can reduce transaminase levels to improve NAFLD by improving blood lipid levels, cutting down the fat content to promote fat redistribution, directly decreasing fatty degeneration of the liver, reducing the degree of liver fibrosis and improving inflammation. This review shows the NAFLD-associated effects of GLP-1RAs in animal models and in patients with T2DM or obesity who are participants in clinical trials.
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Bavec A. (Poly)peptide-based therapy for diabetes mellitus: insulins versus incretins. Life Sci 2014; 99:7-13. [PMID: 24412390 DOI: 10.1016/j.lfs.2013.12.210] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/30/2013] [Revised: 12/22/2013] [Accepted: 12/26/2013] [Indexed: 12/25/2022]
Abstract
Insulin therapy remains the standard of care for achieving and maintaining adequate glycemic control, especially in hospitalized patients with critical and noncritical illnesses. Insulin therapy is more effective against elevated fasting glycaemia but less in the reduction of postprandial hyperglycaemia. It is associated with a high incidence of hypoglycemia and weight gain. Contrary, GLP-1 mimetic therapy improves postprandial glycaemia without the hypoglycaemia and weight gain associated with aggressive insulin therapy. Moreover, it has the potential to reduce cardiovascular related morbidity. However, its increased immunogenicity and severe gastrointestinal adverse effects present a huge burden on patients. Thus, a right combination of basal insulin which has lowering effect on fasting plasma glucose and GLP-1 mimetic with its lowering effect on postprandial plasma glucose with minimal gastrointestinal adverse effects, seems the right therapy choice from a clinical point of view for some diabetic patients. In this article, we discuss the pros and cons of the use of insulin analogues and GLP-1 mimetics that are associated with the treatment of type 2 diabetes.
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Affiliation(s)
- Aljoša Bavec
- Institute of Biochemistry, Faculty of Medicine, University of Ljubljana, Vrazov trg 2, 1000 Ljubljana, Slovenia.
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Cersosimo E, Solis-Herrera C, Trautmann ME, Malloy J, Triplitt CL. Assessment of pancreatic β-cell function: review of methods and clinical applications. Curr Diabetes Rev 2014; 10:2-42. [PMID: 24524730 PMCID: PMC3982570 DOI: 10.2174/1573399810666140214093600] [Citation(s) in RCA: 168] [Impact Index Per Article: 16.8] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 07/24/2013] [Revised: 12/02/2013] [Accepted: 12/03/2013] [Indexed: 12/19/2022]
Abstract
Type 2 diabetes mellitus (T2DM) is characterized by a progressive failure of pancreatic β-cell function (BCF) with insulin resistance. Once insulin over-secretion can no longer compensate for the degree of insulin resistance, hyperglycemia becomes clinically significant and deterioration of residual β-cell reserve accelerates. This pathophysiology has important therapeutic implications. Ideally, therapy should address the underlying pathology and should be started early along the spectrum of decreasing glucose tolerance in order to prevent or slow β-cell failure and reverse insulin resistance. The development of an optimal treatment strategy for each patient requires accurate diagnostic tools for evaluating the underlying state of glucose tolerance. This review focuses on the most widely used methods for measuring BCF within the context of insulin resistance and includes examples of their use in prediabetes and T2DM, with an emphasis on the most recent therapeutic options (dipeptidyl peptidase-4 inhibitors and glucagon-like peptide-1 receptor agonists). Methods of BCF measurement include the homeostasis model assessment (HOMA); oral glucose tolerance tests, intravenous glucose tolerance tests (IVGTT), and meal tolerance tests; and the hyperglycemic clamp procedure. To provide a meaningful evaluation of BCF, it is necessary to interpret all observations within the context of insulin resistance. Therefore, this review also discusses methods utilized to quantitate insulin-dependent glucose metabolism, such as the IVGTT and the euglycemic-hyperinsulinemic clamp procedures. In addition, an example is presented of a mathematical modeling approach that can use data from BCF measurements to develop a better understanding of BCF behavior and the overall status of glucose tolerance.
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Affiliation(s)
| | | | | | | | - Curtis L Triplitt
- Texas Diabetes Institute, University of Texas Health Science Center-San Antonio, 701 S. Zarzamora, MS 10-5, San Antonio, TX 78207, USA.
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Song SO, Kim KJ, Lee BW, Kang ES, Cha BS, Lee HC. Tolerability, effectiveness and predictive parameters for the therapeutic usefulness of exenatide in obese, Korean patients with type 2 diabetes. J Diabetes Investig 2013; 5:554-62. [PMID: 25411624 PMCID: PMC4188114 DOI: 10.1111/jdi.12184] [Citation(s) in RCA: 16] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 10/18/2012] [Revised: 09/03/2013] [Accepted: 10/24/2013] [Indexed: 11/28/2022] Open
Abstract
Aims/Introduction We assessed the tolerability, effectiveness and predictive parameters for the therapeutic usefulness of exenatide in obese Korean participants with type 2 diabetes. We also evaluated the characteristics of participants who respond adequately to glucagon‐like peptide‐1 (GLP‐1) analog therapy in terms of glycated hemoglobin (HbA1c) level reductions and weight loss. Materials and Methods This prospective, observational, single‐arm (exenatide b.i.d. in combination with both metformin and sulphonylurea), open‐label study of GLP‐1 analog treatment with close monitoring of metabolic parameters and weight changes was carried out for up to 22 weeks. Results Of the 110 enrolled obese participants, 37 participants dropped out during the 22‐week treatment period. A total of 73 participants completed the study (median age 55.0 years, interquartile range 44.0–65.0). The median duration of diabetes was 8.0 years (interquartile range 3.5–12.5) with a mean HbA1c value of 7.6% (interquartile range 7.00–8.55). The median body mass index was 30.78 kg/m2 (interquartile range 27.89–33.92). After 22 weeks, median changes from baseline for HbA1c levels and weight were −0.7% and −3.0 kg, respectively, which were significant. No severe hypoglycemic events were observed. Multivariate regression analysis showed that C‐peptide values were a significant independent predictor for a reduction in HbA1c levels (β = 0.865, P = 0.018) with exenatide BID in combination with both sulphonylurea and metformin in obese Korean participants with type 2 diabetes and insulin naïveté. Conclusions Clinical and laboratory parameters, such as insulin naïveté and preserved β‐cell function, should be taken into consideration as important factors in the choice of GLP‐1 analog when predicting GLP‐1 analog responsiveness. This trial was registered with the local committee at Yonsei University in Korea (4‐2011‐0032).
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Affiliation(s)
- Sun Ok Song
- Division of Endocrinology Department of Internal Medicine National Health Insurance Service Ilsan Hospital Seoul Korea ; Department of Medicine Graduate School of Yonsei University Seoul Korea
| | - Kwang Joon Kim
- Division of Endocrinology and Metabolism Department of Internal Medicine Severance Hospital Yonsei University College of Medicine Seoul Korea ; Severance Executive Healthcare Clinic Severance Hospital Yonsei University Health System Seoul Korea
| | - Byung-Wan Lee
- Division of Endocrinology and Metabolism Department of Internal Medicine Severance Hospital Yonsei University College of Medicine Seoul Korea
| | - Eun Seok Kang
- Division of Endocrinology and Metabolism Department of Internal Medicine Severance Hospital Yonsei University College of Medicine Seoul Korea
| | - Bong Soo Cha
- Division of Endocrinology and Metabolism Department of Internal Medicine Severance Hospital Yonsei University College of Medicine Seoul Korea
| | - Hyun Chul Lee
- Division of Endocrinology and Metabolism Department of Internal Medicine Severance Hospital Yonsei University College of Medicine Seoul Korea
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Abstract
OBJECTIVE To evaluate the efficacy and safety of the available glucagon-like peptide-1 receptor agonists (GLP-1 RAs) exenatide and liraglutide (marketed as Byetta * and Victoza † , respectively) in first- or second-line pharmacotherapy for type 2 diabetes (T2D), described here as 'early use'. RESEARCH DESIGN AND METHODS MEDLINE, EMBASE and Google Scholar databases were queried for clinical trial reports using the terms incretin, GLP-1, exenatide and liraglutide. Relevant articles were those that employed these agents in treatment-naïve patients with T2D and in patients who had failed on metformin monotherapy. Additional targeted searches were conducted on diabetes treatment guidelines and on the range of physiological responses to GLP-1 RAs. Most evidence is level I and II. RESULTS Effective therapy for T2D should be implemented early in the course of this progressive disease. The recently revised 2013 Canadian Diabetes Association (CDA) guidelines now identify the GLP-1 RAs among various injected and oral agents recommended for the management of T2D. The rationale for early use of GLP-1 RAs in T2D management is manifold: these agents offer effective management of hyperglycemia in early-stage T2D, minimal risk of hypoglycemia, weight loss, improvement in multiple non-glycemic cardiovascular risk factors, and potential enhancement of patient adherence to antihyperglycemic treatment. Available data from clinical trials support second-line use of GLP-1 RAs among patients who fail on metformin, as well as first-line use of these agents in a subset of T2D patients. CONCLUSIONS The ability to achieve glycemic targets using GLP-1 RAs while simultaneously avoiding hypoglycemia and weight gain could provide substantial reassurance to physicians and patients who might otherwise resist the transition to injected therapies. Exenatide and liraglutide represent appropriate second-line choices for pharmacological treatment of T2D, as indicated in the 2013 CDA guidelines.
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Harja E, Lord J, Skyler JS. An analysis of characteristics of subjects examined for incretin effects on pancreatic pathology. Diabetes Technol Ther 2013; 15:609-18. [PMID: 23927624 DOI: 10.1089/dia.2013.0177] [Citation(s) in RCA: 27] [Impact Index Per Article: 2.5] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 12/17/2022]
Abstract
A recent autopsy analysis asserted that incretin drugs have the potential of increasing the risk for pancreatic cancer and for pancreatic neuroendocrine tumors. We examined the Network for Pancreatic Organ Donors with Diabetes (nPOD) database from which that analysis was derived. Our findings raise important questions about the comparability of the two groups of diabetes patients used for the analysis. Our review of the data available on the nPOD Web site and our reading of the earlier article lead us to the conclusion that the data, and the implications of the data, as expressed by the authors of the autopsy analysis are vastly overstated and are a misrepresentation of the information available.
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Affiliation(s)
- Evis Harja
- Department of Medicine, University of Miami Miller School of Medicine, Miami, FL, USA
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Derosa G, Cicero AFG, Franzetti IG, Querci F, Carbone A, Piccinni MN, D'Angelo A, Fogari E, Maffioli P. A comparison between sitagliptin or glibenclamide in addition to metformin + pioglitazone on glycaemic control and β-cell function: the triple oral therapy. Diabet Med 2013; 30:846-54. [PMID: 23413771 DOI: 10.1111/dme.12158] [Citation(s) in RCA: 12] [Impact Index Per Article: 1.1] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 06/04/2012] [Revised: 12/03/2012] [Accepted: 02/14/2013] [Indexed: 11/25/2022]
Abstract
AIMS To evaluate which triple oral therapy between metformin + pioglitazone + sitagliptin and metformin + pioglitazone + glibenclamide can be more useful in improving glycaemic control and should be preferred in clinical practice. METHODS During the 2-year run-in period, patients were instructed to take metformin monotherapy for the first year, then a combination of metformin and pioglitazone for the second year, then patients were randomized to add glibenclamide or sitagliptin to the dual combination of metformin and pioglitazone for another year. RESULTS Body weight reached with sitagliptin at 36 months was lower than that reached with glibenclamide. Fasting plasma insulin and homeostasis model assessment of insulin resistance were significantly increased by triple therapy with glibenclamide and decreased by that with sitagliptin. While sitagliptin did not change homeostasis model assessment of β-cell function, this value was significantly increased by glibenclamide. Fasting plasma proinsulin was not influenced by triple oral therapy including glibenclamide, while it was decreased by the therapy including sitagliptin compared to glibenclamide. Triple oral therapy with sitagliptin better improved β-cell function measures compared with the glibenclamide therapy. CONCLUSIONS Sitagliptin should be preferred to glibenclamide as an addition to the metformin + pioglitazone combination for its better protection of β-cell secretion and its neutral effect on body weight.
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Affiliation(s)
- G Derosa
- Department of Internal Medicine and Therapeutics, University of Pavia, Pavia, Italy.
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de Bock M, Derraik JGB, Brennan CM, Biggs JB, Morgan PE, Hodgkinson SC, Hofman PL, Cutfield WS. Olive (Olea europaea L.) leaf polyphenols improve insulin sensitivity in middle-aged overweight men: a randomized, placebo-controlled, crossover trial. PLoS One 2013; 8:e57622. [PMID: 23516412 PMCID: PMC3596374 DOI: 10.1371/journal.pone.0057622] [Citation(s) in RCA: 176] [Impact Index Per Article: 16.0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/14/2012] [Accepted: 01/24/2013] [Indexed: 02/05/2023] Open
Abstract
Background Olive plant leaves (Olea europaea L.) have been used for centuries in folk medicine to treat diabetes, but there are very limited data examining the effects of olive polyphenols on glucose homeostasis in humans. Objective To assess the effects of supplementation with olive leaf polyphenols (51.1 mg oleuropein, 9.7 mg hydroxytyrosol per day) on insulin action and cardiovascular risk factors in middle-aged overweight men. Design Randomized, double-blinded, placebo-controlled, crossover trial in New Zealand. 46 participants (aged 46.4±5.5 years and BMI 28.0±2.0 kg/m2) were randomized to receive capsules with olive leaf extract (OLE) or placebo for 12 weeks, crossing over to other treatment after a 6-week washout. Primary outcome was insulin sensitivity (Matsuda method). Secondary outcomes included glucose and insulin profiles, cytokines, lipid profile, body composition, 24-hour ambulatory blood pressure, and carotid intima-media thickness. Results Treatment evaluations were based on the intention-to-treat principle. All participants took >96% of prescribed capsules. OLE supplementation was associated with a 15% improvement in insulin sensitivity (p = 0.024) compared to placebo. There was also a 28% improvement in pancreatic β-cell responsiveness (p = 0.013). OLE supplementation also led to increased fasting interleukin-6 (p = 0.014), IGFBP-1 (p = 0.024), and IGFBP-2 (p = 0.015) concentrations. There were however, no effects on interleukin-8, TNF-α, ultra-sensitive CRP, lipid profile, ambulatory blood pressure, body composition, carotid intima-media thickness, or liver function. Conclusions Supplementation with olive leaf polyphenols for 12 weeks significantly improved insulin sensitivity and pancreatic β-cell secretory capacity in overweight middle-aged men at risk of developing the metabolic syndrome. Trial Registration Australian New Zealand Clinical Trials Registry #336317.
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Affiliation(s)
- Martin de Bock
- Liggins Institute, University of Auckland, Auckland, New Zealand
| | | | | | - Janene B. Biggs
- Liggins Institute, University of Auckland, Auckland, New Zealand
| | - Philip E. Morgan
- Heart Research Institute, University of Sydney, Sydney, Australia
| | | | - Paul L. Hofman
- Liggins Institute, University of Auckland, Auckland, New Zealand
- Gravida: National Centre for Growth and Development, Auckland, New Zealand
| | - Wayne S. Cutfield
- Liggins Institute, University of Auckland, Auckland, New Zealand
- Gravida: National Centre for Growth and Development, Auckland, New Zealand
- * E-mail:
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Cicero AF, Tartagni E, Ertek S. Metformin and its clinical use: new insights for an old drug in clinical practice. Arch Med Sci 2012; 8:907-17. [PMID: 23185203 PMCID: PMC3506244 DOI: 10.5114/aoms.2012.31622] [Citation(s) in RCA: 57] [Impact Index Per Article: 4.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 09/05/2012] [Revised: 10/19/2012] [Accepted: 10/28/2012] [Indexed: 01/19/2023] Open
Abstract
Metformin is generally recommended as first-line treatment in type 2 diabetes, especially in overweight patients, but in recent years new indications for its use have emerged. Metformin has been found to be safe and efficacious both as monotherapy and in combination with all oral antidiabetic agents and insulins. If metformin use during pregnancy and the lactation period is supported by few data, it could be indicated for women with polycystic ovary syndrome, since it could diminish circulating androgens and insulin resistance, thus ameliorating the ovulation rate. Metformin seems to reduce cancer risk, which appears to be increased in diabetics, and is a promising agent for oncoprevention and chemotherapy combinations. Moreover, metformin could find a place in the treatment of non-alcoholic fatty liver disease. Lactic acidosis could be decreased by avoiding metformin use in patients with hypovolemia, sepsis, renal impairment, hypoxic respiratory diseases and heart failure, in the preoperative period and before intravenous injection of contrast media.
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Affiliation(s)
| | - Elisa Tartagni
- Medical and Surgical Sciences Department, Bologna University, Italy
| | - Sibel Ertek
- Department of Endocrinology and Metabolic Diseases, Ufuk University, Ankara, Turkey
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Derosa G, Ragonesi PD, Fogari E, Cicero AFG, Bianchi L, Bonaventura A, Romano D, Maffioli P. Sitagliptin added to previously taken antidiabetic agents on insulin resistance and lipid profile: a 2-year study evaluation. Fundam Clin Pharmacol 2012; 28:221-9. [PMID: 23039403 DOI: 10.1111/fcp.12001] [Citation(s) in RCA: 25] [Impact Index Per Article: 2.1] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/29/2012] [Accepted: 09/03/2012] [Indexed: 12/21/2022]
Abstract
The aim of this study was to evaluate whether the positive effects of sitagliptin on glycemic control and insulin resistance were maintained also after 2 years of therapy and whether sitagliptin could be effective also in improving lipid profile. In this randomized, double-blind, placebo-controlled trial, 205 patients with type 2 diabetes in therapy with different antidiabetic drugs were randomized to add sitagliptin 100 mg once a day or placebo to their current therapy. We evaluated at the baseline and after 6, 12, 18, and 24 months the following parameters: body mass index, glycated hemoglobin (HbA1c ), fasting plasma glucose (FPG), postprandial plasma glucose (PPG), fasting plasma insulin (FPI), homeostasis model assessment insulin resistance index (HOMA-IR), total cholesterol (TC), high-density lipoprotein cholesterol (HDL-C), low-density lipoprotein cholesterol (LDL-C), triglycerides (Tg). Sitagliptin, added to previously taken antidiabetic agents, proved to be effective in improving glycemic profile, reducing HbA1c by -17.5%, FPG by -12.7%, PPG by -20.5%. Regarding insulin resistance, sitagliptin decreased FPI by -8.3% and HOMA-IR by -20.0%, confirming that what have been already reported in short-term studies can be applied also after 2 years of treatment. Sitagliptin also reduced body weight by -4.3%. Our study also showed the positive effect of sitagliptin on lipid profile; in particular, sitagliptin decreased TC by -13.3%, LDL-C by -20.4%, and Tg by -32.3%, and also increased HDL-C by + 13.6%. Sitagliptin proved to be effective on glycemic profile and insulin resistance even after 2 years of therapy and to be effective in improving body weight and lipid profile.
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Affiliation(s)
- Giuseppe Derosa
- Department of Internal Medicine and Therapeutics, University of Pavia, Pavia, 27100, Italy
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