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Effects of the Sodium-Glucose Cotransporter Inhibitors on Cardiovascular Death and All-Cause Mortality: A Systematic Review and Meta-analysis of Randomized Placebo-Controlled Clinical Trials. Am J Cardiovasc Drugs 2023; 23:113-126. [PMID: 36572841 DOI: 10.1007/s40256-022-00561-6] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Accepted: 11/16/2022] [Indexed: 12/28/2022]
Abstract
BACKGROUND Patients with diabetes mellitus are at an increased risk of cardiovascular morbidity and all-cause mortality. Heart failure and type 2 diabetes often occur concomitantly, and each disease independently increases the risk for the other. OBJECTIVE Emerging data have revealed that some sodium-glucose cotransporter inhibitors (SGLTi) improve cardiovascular and renal outcomes, particularly in patients with type 2 diabetes. The magnitude of this effect in patients without any underlying condition remains unclear. As a result, we conducted a meta-analysis of the mortality outcomes of available SGLTi in patients with or without cardiovascular diseases, type 2 diabetes, cardiovascular risk factors, and heart failure. METHODS We performed a systematic review and meta-analysis of randomized, placebo-controlled major cardiovascular outcome trials of SGLTi in patients regardless of their cardiovascular disease or risk status. PubMed, Cochrane, Google Scholar, MEDLINE, and EMBASE were searched for the relevant studies. Three reviewers extracted study data and three reviewers summarized the strength of the evidence. Efficacy outcomes included all-cause mortality, major adverse cardiovascular events (myocardial infarction, stroke, or cardiovascular death), the composite of all-cause mortality, cardiovascular death, or hospitalization for heart failure. Odds ratios with 95% confidence intervals were pooled across trials to calculate the overall effect size. RESULTS A total of 5043 all-cause mortality events were observed in the study groups. In 42,050 patients who received SGLTi, 2581 events were reported, and 2462 events were reported in 35,491 patients who received placebo (odds ratio = 0.86, 95% confidence interval 0.80-0.93, p = 0.0003). The use of SGLTi significantly reduced cardiovascular mortality compared with control across the patients' population (odds ratio = 0.86, 95% confidence interval 0.79-0.93, p = 0.0001). There was a consistent pattern of mortality beneficial estimates for all patients with different co-morbid conditions in the SGLTi-treated arm compared with the placebo-treated group. The presence or absence of significant cardiovascular disease risk factors (including a family history of premature coronary artery disease, baseline estimated glomerular filtration rate, dyslipidemia, hypertension, smoking, history of cardiovascular disease, and older age) did not affect the estimated mortality benefits. CONCLUSIONS Sodium-glucose cotransporter inhibitors significantly reduced major adverse cardiovascular events, including hospitalization and all-cause mortality in patients with or without established atherosclerotic cardiovascular disease. We observed a beneficial trend in patients with heart failure with preserved ejection fraction, and no benefits in patients with stroke or myocardial infarction.
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Abu-Alfa AK, Atallah PJ, Azar ST, Dagher EC, Echtay AS, El-Amm MA, Hazkial HG, Kassab RY, Medlej RC, Mohamad MA. Recommendations for Early and Comprehensive Management of Type 2 Diabetes and Its Related Cardio-Renal Complications. Diabetes Ther 2023; 14:11-28. [PMID: 36517708 PMCID: PMC9880119 DOI: 10.1007/s13300-022-01340-x] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 08/26/2022] [Accepted: 11/03/2022] [Indexed: 12/23/2022] Open
Abstract
Type 2 diabetes (T2D) is a global health problem accompanied by an elevated risk of complications, the most common being cardiac and renal diseases. In Lebanon, the prevalence of T2D is estimated at 8-13%. Local medical practice generally suffers from clinical inertia, with gaps in the yearly assessment of clinical manifestations and suboptimal screening for major complications. The joint statement presented here, endorsed by five Lebanese scientific medical societies, aims at providing physicians in Lebanon with a tool for early, effective, and comprehensive care of patients with T2D. Findings from major randomized clinical trials of antidiabetic medications with cardio-renal benefits are presented, together with recommendations from international medical societies. Optimal care should be multidisciplinary and should include a multifactorial risk assessment, lifestyle modifications, and a regular evaluation of risks, including the risks for cardiovascular (CV) and renal complications. With international guidelines supporting a shift in T2D management from glucose-lowering agents to disease-modifying drugs, the present statement recommends treatment initiation with metformin, followed by the addition of sodium-glucose cotransporter 2 inhibitors or glucagon-like peptide-1 receptor agonists due to their CV and renal protection properties, whenever possible. In addition to the selection of the most appropriate pharmacological therapy, efforts should be made to provide continuous education to patients about their disease, with the aim to achieve a patient-centered approach and to foster self-management and adherence to the medical plan. Increasing the level of patient engagement is expected to be associated with favorable health outcomes. Finally, this statement recommends setting an achievable individualized management plan and conducting regular follow-ups to monitor the patients' glycemic status and assess their risks every 3-6 months.
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Affiliation(s)
- Ali K. Abu-Alfa
- Division of Nephrology and Hypertension, Department of Internal Medicine, American University of Beirut, Beirut, Lebanon
| | - Paola J. Atallah
- Department of Internal Medicine, Saint George University Medical Center, Beirut, Lebanon
| | - Sami T. Azar
- Faculty of Medicine and Medical Affairs, University of Balamand, Beirut, Lebanon
| | - Elissar C. Dagher
- Department of Internal Medicine and Clinical Immunology, School of Medicine and Medical Sciences, Holy Spirit University of Kaslik–Kaslik Notre Dame des Secours University Hospital Center, Byblos, Lebanon
| | - Akram S. Echtay
- Division of Endocrinology, Department of Internal Medicine, Rafic Hariri University Hospital, Jnah, Beirut, Lebanon
| | - Mireille A. El-Amm
- Department of Endocrinology, Faculty of Medicine, Holy Spirit University of Kaslik, Kaslik, Lebanon
| | | | - Roland Y. Kassab
- Department of Cardiology, Saint Joseph University–Hôtel-Dieu de France Hospital, Beirut, Lebanon
| | - Rita C. Medlej
- Department of Endocrinology, Hôtel-Dieu de France Hospital, Beirut, Lebanon
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Solis-Herrera C, Cersosimo E, Triplitt C. Antihyperglycemic Algorithms for Type 2 Diabetes: Focus on Nonglycemic Outcomes. Diabetes Spectr 2021; 34:248-256. [PMID: 34511851 PMCID: PMC8387619 DOI: 10.2337/ds20-0067] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 11/13/2022]
Abstract
Type 2 diabetes management continues to increase in complexity as more pharmacologic medication classes become available and high-quality clinical trials are completed. Because many antihyperglycemic agents could be appropriate for a given patient, expert treatment guidance is indispensable. Algorithms can help to guide clinicians toward initiating more evidence-based therapy and critically thinking about patient-centered factors that may influence their medication choices. High-quality cardiovascular, renal, and heart failure outcomes trials completed in the past several years have changed the paradigm of how we think about antihyperglycemic agents. Considerations for atherosclerotic cardiovascular disease, heart failure, and renal insufficiency now figure prominently in treatment algorithms for type 2 diabetes, and the results of recent outcomes trials have significantly transformed algorithmic guidelines published by diabetes, endocrinology, and cardiology associations.
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Affiliation(s)
- Carolina Solis-Herrera
- Division of Diabetes, University of Texas Health at San Antonio, San Antonio, TX
- MARC Diabetes Clinic, University of Texas Health at San Antonio, San Antonio, TX
- Clinical Research Center, Texas Diabetes Institute, University Health System, San Antonio, TX
| | - Eugenio Cersosimo
- Division of Diabetes, University of Texas Health at San Antonio, San Antonio, TX
- Clinical Research Center, Texas Diabetes Institute, University Health System, San Antonio, TX
| | - Curtis Triplitt
- Division of Diabetes, University of Texas Health at San Antonio, San Antonio, TX
- Clinical Research Center, Texas Diabetes Institute, University Health System, San Antonio, TX
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Thethi TK, Bilal A, Pratley RE. Cardiovascular Outcomes Trials of Incretin-Based Therapies. Diabetes Spectr 2021; 34:217-224. [PMID: 34511847 PMCID: PMC8387616 DOI: 10.2337/ds20-0072] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 11/13/2022]
Abstract
The cardiovascular (CV) safety of glucagon-like peptide 1 (GLP-1) receptor agonists has been established in robust cardiovascular outcomes trials (CVOTs) in patients with type 2 diabetes at high CV risk. The GLP-1 receptor agonists liraglutide, dulaglutide, and injectable semaglutide demonstrated a significant CV benefit in these trials and now have indications to reduce the risk of major adverse CV events, including CV death, myocardial infarction, and stroke in adult patients with type 2 diabetes and established cardiovascular disease or high CV risk (dulaglutide). The dipeptidyl peptidase 4 inhibitors have also demonstrated CV safety in dedicated CVOTs but have not been associated with any CV benefit. Guidelines for the treatment of type 2 diabetes have evolved from a glucocentric focus to one that now focuses on reducing overall CV risk by personalizing therapy and using drugs such as GLP-1 receptor agonists with proven CV benefits.
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Affiliation(s)
- Tina K. Thethi
- AdventHealth, Translational Research Institute, Orlando, FL
- AdventHealth Diabetes Institute, Orlando, FL
- Corresponding author: Tina K. Thethi,
| | - Anika Bilal
- AdventHealth, Translational Research Institute, Orlando, FL
| | - Richard E. Pratley
- AdventHealth, Translational Research Institute, Orlando, FL
- AdventHealth Diabetes Institute, Orlando, FL
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Mosenzon O, Del Prato S, Schechter M, Leiter LA, Ceriello A, DeFronzo RA, Raz I. From glucose lowering agents to disease/diabetes modifying drugs: a "SIMPLE" approach for the treatment of type 2 diabetes. Cardiovasc Diabetol 2021; 20:92. [PMID: 33910583 PMCID: PMC8082901 DOI: 10.1186/s12933-021-01281-y] [Citation(s) in RCA: 23] [Impact Index Per Article: 7.7] [Reference Citation Analysis] [Abstract] [Key Words] [Download PDF] [Figures] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 01/29/2021] [Accepted: 04/15/2021] [Indexed: 12/11/2022] Open
Abstract
During the last decade we experienced a surge in the number of glucose lowering agents that can be used to treat patients with type 2 diabetes. Especially important are the discoveries that sodium glucose co-transporter type 2 inhibitors (SGLT2i) and glucagon-like peptide-1 receptor agonists (GLP-1 RA) improve patients’ cardiovascular and renal outcomes. Accordingly, various medical associations have updated their guidelines for the treatment of diabetes in this new era. Though not agreeing on every issue, these position-statements generally share a detailed and often complex workflow that may be too complicated for the busy and overworked primary care setting, where the majority of patients with type 2 diabetes are managed in many countries. Other guidelines, generally those from the cardiology associations focus primarily on the population of patients with high risk for or pre-existing cardiovascular disease, which represent only the minority of patients with type 2 diabetes. We believe that we should re-define SGLT2i and GLP-1 RA as diabetes/disease modifying drugs (DMDs) given the recent evidence of their cardiovascular and renal benefits. Based on this definition we have designed a SIMPLE approach in order to assist primary care teams in selecting the most appropriate therapy for their patients. We believe that most subjects newly diagnosed with type 2 diabetes should initiate early combination therapy with metformin and a prognosis changing DMD. The decision whether to use GLP-1 RA or SGLT2i should be made based on specific patient’s risk factors and preferences. Importantly, DMDs are known to have a generally safe side-effect profile, with lower risk for hypoglycemia and weight gain, further promoting their wider usage. Early combination therapy with DMDs may improve the multiple pathophysiological abnormalities responsible for type 2 diabetes and its complications, thus resulting in the greatest long term benefits.
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Affiliation(s)
- Ofri Mosenzon
- The Diabetes Unit, Department of Endocrinology and Metabolism, Hadassah Medical Center, P.O. Box 12000, 9112001, Jerusalem, Israel. .,Faculty of Medicine, Hebrew University of Jerusalem, Jerusalem, Israel.
| | - Stefano Del Prato
- Department of Clinical and Experimental Medicine, Section of Diabetes, Nuovo Ospedale Santa Chiara, University of Pisa, Pisa, Italy
| | - Meir Schechter
- The Diabetes Unit, Department of Endocrinology and Metabolism, Hadassah Medical Center, P.O. Box 12000, 9112001, Jerusalem, Israel.,Faculty of Medicine, Hebrew University of Jerusalem, Jerusalem, Israel
| | - Lawrence A Leiter
- Li Ka Shing Knowledge Institute, St. Michael's Hospital, University of Toronto, Toronto, Canada
| | | | - Ralph A DeFronzo
- University of Texas Health Science Center at Houston, Houston, TX, USA
| | - Itamar Raz
- The Diabetes Unit, Department of Endocrinology and Metabolism, Hadassah Medical Center, P.O. Box 12000, 9112001, Jerusalem, Israel.,Faculty of Medicine, Hebrew University of Jerusalem, Jerusalem, Israel
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Halimi JM. [SGLT2 inhibitors: A new era for our patients]. Nephrol Ther 2021; 17:143-148. [PMID: 33773943 DOI: 10.1016/j.nephro.2020.12.006] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/05/2020] [Revised: 12/12/2020] [Accepted: 12/21/2020] [Indexed: 12/11/2022]
Abstract
Since 2015, 10 randomized clinical trials assessed the cardiovascular safety of SGLT2 inhibitors, and then assessed the potential renal and cardiovascular benefits of these drugs (EMPAREG Outcome, CANVAS, DECLARE, DAPA-HF, CREDENCE, EMPEROR-reduced, VERTIS, DAPA-CKD, SCORED, SOLOIST-WHF) in over 88,000 patients. The results of EMPAREG Outcome showed major renal and cardiovascular protection but they were unexpected. The other trials regarding the effects of dapagliflozin, canagliflozin, empagliflozin and more recently sotagliflozin have confirmed most of these results and extended them to other populations. There is no scientific doubt that these drugs confer a marked renal protection in patients already treated with renin angiotensin system blockers (reduction of the risk of end-stage renal disease: -35 to 40%) et reduce the risk of hospitalization for heart failure (-30 to 35%), especially in patients with heart failure with reduced ejection fraction. The benefit/risk profile is highly favorable but minor (genital candidosis, urinary tract infections, euglycemic acido-ketosis) and serious (Fournier gangrene) side effects must not be forgotten. Renal protection is twice the effect of renin angiotensin system blockers, and is maintained in patients already treated with them, in patients with GFR 25mL/min/1.73m2 and over, regardless of whether they have type 2 diabetes mellitus or not (of note, patients with type 1 diabetes mellitus, polycystic kidney disease, lupus and vasculitis were excluded in these studies). Reduction of the incidence of heart failure is similar to that observed with sacubitril/valsartan, and is maintained in patients already treated with sacubitril/valsartan. SGLT2 inhibitors have now defined a new standard of care, and it will be necessary to explore the proper use of the new mineralocorticoid receptor antagonist finerenone that demonstrated significant renal and cardiovascular protection in mostly SGLT2 inhibitors-untreated diabetic patients with chronic kidney disease (or even some GLP-1 agonists). A new era for our patients.
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Affiliation(s)
- Jean-Michel Halimi
- Service de néphrologie-HTA, dialyses et transplantation rénale, hôpital Bretonneau, CHU de Tours, 2, boulevard Tonnellé, 37044 Tours cedex, France.
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Statistical and clinical significances: Are they equivalent? DIABETES & METABOLISM 2020; 46:413-414. [DOI: 10.1016/j.diabet.2020.09.004] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Track Full Text] [Subscribe] [Scholar Register] [Received: 09/21/2020] [Accepted: 09/25/2020] [Indexed: 11/29/2022]
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Abstract
Diabetes mellitus (DM) is an increasingly prevalent condition that has a significant impact on health systems worldwide, particularly in older people. It is estimated that 30% of people aged > 65 years fulfil the diagnostic criteria for DM, with 90% having type 2 DM (T2DM). Generally, specific guidelines for the treatment of T2DM in older people address in a very limited manner the use of more recent therapies, such as sodium-glucose co-transporter-2 inhibitors (SGLT2i), which have important benefits for older people, such as a low risk of hypoglycemia, reduction of cardiovascular and renal risk, and an insulin-independent mechanism, allowing its use in disease of any duration. The SGLT2i class is well-tolerated, though some caution is also suggested, including adjustment of concomitant therapies, such as insulin and antihypertensives, especially loop diuretics. This review discusses the pathophysiological characteristics of the older patient with T2DM and evaluates the main benefits of and cautions for the use of SGLT2i in this population.
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Vasculoprotective Effects of Vildagliptin. Focus on Atherogenesis. Int J Mol Sci 2020; 21:ijms21072275. [PMID: 32218354 PMCID: PMC7177465 DOI: 10.3390/ijms21072275] [Citation(s) in RCA: 23] [Impact Index Per Article: 5.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/17/2020] [Revised: 03/19/2020] [Accepted: 03/23/2020] [Indexed: 12/13/2022] Open
Abstract
Vildagliptin is a representative of Dipeptidyl Peptidase-4 (DPP-4) inhibitors, antihyperglycemic drugs, approved for use as monotherapy and combination therapy in type 2 diabetes mellitus. By inhibiting enzymatic decomposition, DPP-4 inhibitors increase the half-life of incretins such as GLP-1 (Glucagon-like peptide-1) and GIP (Gastric inhibitors polypeptide) and prolong their action. Some studies present results suggesting the anti-sclerotic and vasculoprotective effects of vildagliptin reaching beyond glycemic control. Vildagliptin is able to limit inflammation by suppression of the NF-κB (nuclear factor kappa-light-chain-enhancer of activated B cells) signaling pathway and proinflammatory agents such as TNF-α (tumor necrosis factor α), IL-1β (Interleukin-1β), and IL-8 (Interleukin 8). Moreover, vildagliptin regulates lipid metabolism; attenuates postprandial hypertriglyceridemia; and lowers serum triglycerides, apolipoprotein B, and blood total cholesterol levels. This DPP-4 inhibitor also reduces macrophage foam cell formation, which plays a key role in atheromatous plaque formation and stability. Vildagliptin reduces vascular stiffness via elevation of nitric oxide synthesis, improves vascular relaxation, and results in reduction in both systolic and diastolic blood pressure. Treatment with vildagliptin lowers the level of PAI-1 presenting possible antithrombotic effect. By affecting the endothelium, inflammation, and lipid metabolism, vildagliptin may affect the development of atherosclerosis at its various stages. The article presents a summary of the studies assessing vasculoprotective effects of vildagliptin with special emphasis on atherogenesis.
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Zhu J, Yu X, Zheng Y, Li J, Wang Y, Lin Y, He Z, Zhao W, Chen C, Qiu K, Wu J. Association of glucose-lowering medications with cardiovascular outcomes: an umbrella review and evidence map. Lancet Diabetes Endocrinol 2020; 8:192-205. [PMID: 32006518 DOI: 10.1016/s2213-8587(19)30422-x] [Citation(s) in RCA: 78] [Impact Index Per Article: 19.5] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 11/10/2019] [Revised: 12/11/2019] [Accepted: 12/12/2019] [Indexed: 02/07/2023]
Abstract
BACKGROUND Considering the global burden of diabetes and associated cardiovascular disease, an urgent need exists for the best treatment, which should be based on the best available evidence. We examined the association between glucose-lowering medications and a broad range of cardiovascular outcomes, and assessed the strength of evidence for these associations. METHODS For this umbrella review we searched PubMed, Embase, and the Cochrane Library to identify systematic reviews and meta-analyses of randomised controlled trials examining the cardiovascular safety of glucose-lowering medications. Cardiovascular outcomes examined included major adverse cardiovascular events, cardiovascular death, myocardial infarction, stroke, heart failure, unstable angina, and atrial fibrillation. For each meta-analysis, we estimated the relative risk (RR) and 95% CI. We also created an evidence map showing the plausible benefits or harms of each intervention and the certainty of the evidence. FINDINGS We examined 232 meta-analyses evaluating ten classes of diabetes drugs. We identified six risk and 38 protective associations showing a high strength of evidence. Six associations increased the risk of cardiovascular disease, including glimepiride (stroke [RR 2·01; 95% CI 1·02-3·98]), rosiglitazone (myocardial infarction [1·28; 1·02-1·62] and heart failure [1·72, 1·31-2·27]), and pioglitazone (heart failure [1·40; 1·16-1·69]). 38 associations decreased the risk of cardiovascular disease, including glucagon-like peptide-1 receptor agonists as a class (major adverse cardiovascular events [RR 0·88; 95% CI 0·84-0·92], death from cardiovascular disease [0·87; 0·81-0·94], myocardial infarction [0·92; 0·86-0·99], stroke [0·84; 0·77-0·93], and heart failure [0·90; 0·83-0·99]), albiglutide (major adverse cardiovascular events [0·81; 0·68-0·96], myocardial infarction [0·77; 0·64-0·92], and heart failure [0·71; 0·55-0·93]), dulaglutide (stroke [0·78; 0·64-0·96]), exenatide (major adverse cardiovascular events [0·91; 0·83-1·00]), liraglutide (major adverse cardiovascular events [0·86; 0·77-0·96]), semaglutide (major adverse cardiovascular events [0·76; 0·62-0·92] and stroke [0·67; 0·45-1·00]), sodium-glucose co-transporter-2 inhibitors as a class (major adverse cardiovascular events [0·87; 0·82-0·93], death from cardiovascular disease [0·82; 0·75-0·90], myocardial infarction [0·86; 0·78-0·94], and heart failure [0·68; 0·63-0·73]), canagliflozin (major adverse cardiovascular events [0·84; 0·75-0·93], death from cardiovascular disease [0·82; 0·71-0·96], and heart failure [0·65; 0·54-0·78]), dapagliflozin (heart failure [0·70; 0·60-0·82]), empagliflozin (major adverse cardiovascular events [0·85; 0·77-0·94], death from cardiovascular disease [0·62; 0·50-0·78], and heart failure [0·64; 0·53-0·77]), and pioglitazone (major adverse cardiovascular events [0·84; 0·74-0·96], myocardial infarction [0·80; 0·67-0·95], and stroke [0·79; 0·65-0·95]). INTERPRETATION We found varied levels of evidence for the associations between diabetes drugs and cardiovascular outcomes; some drugs raised the risk of cardiovascular disease, whereas others showed benefit. FUNDING None.
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Affiliation(s)
- Jianhong Zhu
- Department of Pharmacy, Sun-Yat-Sen Memorial Hospital, Sun Yat-sen University, Guangzhou, China
| | - Xiaoxia Yu
- Department of Pharmacy, Sun-Yat-Sen Memorial Hospital, Sun Yat-sen University, Guangzhou, China
| | - Yayuan Zheng
- Department of Pharmacy, Sun-Yat-Sen Memorial Hospital, Sun Yat-sen University, Guangzhou, China
| | - Jianfang Li
- Department of Pharmacy, Sun-Yat-Sen Memorial Hospital, Sun Yat-sen University, Guangzhou, China
| | - Yong Wang
- Guangdong Province Pharmaceutical Association, Guangzhou, China
| | - Yin Lin
- Department of Pharmacy, Sun-Yat-Sen Memorial Hospital, Sun Yat-sen University, Guangzhou, China
| | - Zhichao He
- Department of Pharmacy, Sun-Yat-Sen Memorial Hospital, Sun Yat-sen University, Guangzhou, China
| | - Wenxia Zhao
- Department of Pharmacy, Sun-Yat-Sen Memorial Hospital, Sun Yat-sen University, Guangzhou, China
| | - Chuxiong Chen
- Department of Pharmacy, Sun-Yat-Sen Memorial Hospital, Sun Yat-sen University, Guangzhou, China
| | - Kaifeng Qiu
- Department of Pharmacy, Sun-Yat-Sen Memorial Hospital, Sun Yat-sen University, Guangzhou, China
| | - Junyan Wu
- Department of Pharmacy, Sun-Yat-Sen Memorial Hospital, Sun Yat-sen University, Guangzhou, China.
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De Cosmo S, Viazzi F, Piscitelli P, Leoncini G, Mirijello A, Bonino B, Pontremoli R. Impact of CVOTs in primary and secondary prevention of kidney disease. Diabetes Res Clin Pract 2019; 157:107907. [PMID: 31676332 DOI: 10.1016/j.diabres.2019.107907] [Citation(s) in RCA: 4] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 10/01/2019] [Accepted: 10/07/2019] [Indexed: 12/25/2022]
Abstract
Type 2 diabetes mellitus is the leading cause of end stage renal disease worldwide. Diabetic kidney disease, whose main clinical manifestations are albuminuria and decline of glomerular filtration rate, affects up to 40% of patients. Sodium Glucose cotransporter-2 inhibitors (SGLT2-is) and Glucagon-like peptide-1 receptor agonists (GLP-1ras) are new classes of anti-hyperglycemic drugs which have demonstrated to improve renal outcome. Renal benefits of both SGLT2-is and GLP-1ras are acknowledged from data of large randomized phase III clinical trials conducted to assess their cardiovascular safety. In this review, we will focus on renal results of major cardiovascular outcome trials, and we will describe direct and indirect mechanisms through which they confer renal protection.
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Affiliation(s)
- Salvatore De Cosmo
- Unit of Internal Medicine, Department of Medical Sciences, IRCCS Casa Sollievo della Sofferenza, San Giovanni Rotondo, FG 71013, Italy.
| | - Francesca Viazzi
- Università degli Studi and IRCCS Ospedale Policlinico San Martino, Genoa, Italy
| | - Pamela Piscitelli
- Unit of Internal Medicine, Department of Medical Sciences, IRCCS Casa Sollievo della Sofferenza, San Giovanni Rotondo, FG 71013, Italy
| | - Giovanna Leoncini
- Università degli Studi and IRCCS Ospedale Policlinico San Martino, Genoa, Italy
| | - Antonio Mirijello
- Unit of Internal Medicine, Department of Medical Sciences, IRCCS Casa Sollievo della Sofferenza, San Giovanni Rotondo, FG 71013, Italy
| | - Barbara Bonino
- Università degli Studi and IRCCS Ospedale Policlinico San Martino, Genoa, Italy
| | - Roberto Pontremoli
- Università degli Studi and IRCCS Ospedale Policlinico San Martino, Genoa, Italy.
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12
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Eckel RH, Farooki A, Henry RR, Koch GG, Leiter LA. Cardiovascular Outcome Trials in Type 2 Diabetes: What Do They Mean for Clinical Practice? Clin Diabetes 2019; 37:316-337. [PMID: 31660005 PMCID: PMC6794224 DOI: 10.2337/cd19-0001] [Citation(s) in RCA: 8] [Impact Index Per Article: 1.6] [Reference Citation Analysis] [Abstract] [Grants] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 12/19/2022]
Abstract
IN BRIEF Cardiovascular disease is the leading cause of morbidity and mortality in people with diabetes, and deaths from heart disease are two to four times higher among adults with type 2 diabetes. Trials such as the U.K. Prospective Diabetes Study, ACCORD (Action to Control Cardiovascular Risk in Diabetes), ADVANCE (Action in Diabetes and Vascular Disease: Preterax and Diamicron MR Controlled Evaluation), and VADT (Veteran's Affairs Diabetes Trial) produced mixed findings regarding whether intensive glycemic control results in improved cardiovascular (CV) outcomes for patients with diabetes. In response to concerns, including the CV safety of the thiazolidinedione rosiglitazone, the U.S. Food and Drug Administration and subsequently the European Medicines Agency issued guidance that trials should be conducted to prove that antihyperglycemic agents have acceptable CV risk profiles. In this article, the authors review the study designs and results of CV outcomes trials conducted with sodium-glucose cotransporter 2 inhibitors and glucagon-like peptide 1 receptor agonists and discuss how these may affect clinical practice.
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Affiliation(s)
| | - Azeez Farooki
- Memorial Sloan Kettering Cancer Center, New York, NY
| | - Robert R. Henry
- University of California San Diego and VA San Diego Healthcare System, San Diego, CA
| | | | - Lawrence A. Leiter
- Li Shing Knowledge Institute, St. Michael’s Hospital, University of Toronto, Toronto, Ontario, Canada
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13
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Mkrtumyan AM, Markova TN, Mishchenko NK. [Analysis of cardiovascular safety of novel glucose-lowering medications]. KARDIOLOGIIA 2019; 59:76-83. [PMID: 31322093 DOI: 10.18087/cardio.2019.7.10267] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 07/19/2019] [Accepted: 07/19/2019] [Indexed: 06/10/2023]
Abstract
In 2008 the Food and Drug Administration has revised approval process for new antidiabetic agents and introduced a requirement to demonstrate the cardiovascular safety in an international multicenter trial. Currently cardiovascular outcome trials of dipeptidyl peptidase-4 (DPP-4) inhibitors (SAVOR-TIMI53, EXAMINE and TECOS), sodium-glucose cotransporter 2 inhibitors (EMPAREG, CANVAS), glucagon-like peptide-1 receptor agonists (ELIXA, EXSCEL LEADER and SUSTAIN-6), ultralong-acting and insulin (DEVOTE) have been completed. The trials confirmed cardiovascular safety of these glucose-lowering medications, and in addition, EMPA-REG OUTCOME (empagliflozin), CANVAS (canagliflozin) and LEADER (liraglutide) have also demonstrated cardioprotective effect of sodium-glucose cotransporter 2 inhibitors and glucagon-like peptide-1 receptor agonists. These data led to the changes of clinical guidelines for the management of type 2 diabetes.
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Affiliation(s)
- A M Mkrtumyan
- A. I. Yevdokimov Moscow State University of Medicine and Dentistry
| | - T N Markova
- A. I. Yevdokimov Moscow State University of Medicine and Dentistry; City Clinical Hospital №52, Moscow
| | - N K Mishchenko
- A. I. Yevdokimov Moscow State University of Medicine and Dentistry
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14
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Pafili K, Papanas N. Sodium-glucose cotransporter-2 inhibitors in type 2 diabetes: a magic potion to reduce heart failure? Expert Rev Clin Pharmacol 2019; 12:693-695. [PMID: 31232616 DOI: 10.1080/17512433.2019.1635453] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.2] [Reference Citation Analysis] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/02/2023]
Affiliation(s)
- K Pafili
- a Diabetes Centre, Second Department of Internal Medicine, Democritus University of Thrace, University Hospital of Alexandroupolis , Alexandroupolis , Greece
| | - N Papanas
- a Diabetes Centre, Second Department of Internal Medicine, Democritus University of Thrace, University Hospital of Alexandroupolis , Alexandroupolis , Greece
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15
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Dhatariya K. Diabetes: the place of new therapies. Ther Adv Endocrinol Metab 2018; 10:2042018818807599. [PMID: 30800266 PMCID: PMC6378432 DOI: 10.1177/2042018818807599] [Citation(s) in RCA: 7] [Impact Index Per Article: 1.2] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 08/24/2018] [Accepted: 09/26/2018] [Indexed: 12/13/2022] Open
Abstract
Until the discovery of insulin in 1921 there were no effective treatments for diabetes mellitus. After the advent of long-acting insulin, the first oral agents, sulfonylureas became available in the mid-1950s, quickly followed (outside of the United States) by metformin. It was then another three decades before newer agents became available, with alpha glucosidase inhibitors, thiazolidinediones and meglitinides following in the 1990s. Since the turn of the century, several new classes have also been launched. But how do these agents fit into the management of type 2 diabetes? How does one choose which drug class to use after metformin? This review looks at the agents launched since 2000 and how and when they can be used. It also deals with some of the controversies that have arisen and how decisions have changed as a result, in particular moving away from the use of HbA1c as the driver for decision, but rather the cardiovascular safety of these agents and their use in the prevention of premature cardiovascular morbidity and mortality. Now that some of these agents have shown cardiovascular benefit, will this lead to a change in the treatment paradigm?
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Affiliation(s)
- Ketan Dhatariya
- Elsie Bertram Diabetes Centre, Norfolk and Norwich
University Hospitals NHS Foundation Trust, Colney Lane, Norwich, Norfolk NR4
7UY, UK
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16
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Inagaki N, Harashima SI, Iijima H. Canagliflozin for the treatment of type 2 diabetes: a comparison between Japanese and non-Japanese patients. Expert Opin Pharmacother 2018; 19:895-908. [PMID: 29799286 DOI: 10.1080/14656566.2018.1473378] [Citation(s) in RCA: 16] [Impact Index Per Article: 2.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/10/2023]
Abstract
INTRODUCTION Canagliflozin, a sodium-glucose co-transporter-2 (SGLT2) inhibitor, improves various cardiometabolic parameters. Although canagliflozin was originally discovered in Japan, no comprehensive summary of its effects in Japanese patients has been reported. As differences exist in the pathologic features of diabetes between Japanese and non-Japanese populations, it is important to consolidate Japanese data for canagliflozin. Areas covered: The authors summarize Japanese clinical trial and post-marketing surveillance data for canagliflozin, and make comparisons with non-Japanese data. They also consider the therapeutic potential of canagliflozin in Japanese patients by presenting results from the CANagliflozin cardioVascular Assessment Study (CANVAS) Program. Expert opinion: In Japanese patients, canagliflozin 100 mg, administered as monotherapy or combination therapy, improved blood glucose, body weight, and blood pressure, and was well tolerated; the efficacy and safety profiles were comparable to previous clinical studies in other countries. In the CANVAS Program, canagliflozin reduced major cardiovascular events, and although Japan was not included in this program, canagliflozin may have cardiovascular benefits in Japanese patients, in whom control of multiple risk factors is important for preventing diabetic complications. Patients with high cardiovascular risk often have multiple comorbidities, so it is important to consider the risk-benefit balance of using SGLT2 inhibitors in individual patients.
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Affiliation(s)
- Nobuya Inagaki
- a Department of Diabetes, Endocrinology and Nutrition , Graduate School of Medicine, Kyoto University , Kyoto , Japan
| | - Shin-Ichi Harashima
- a Department of Diabetes, Endocrinology and Nutrition , Graduate School of Medicine, Kyoto University , Kyoto , Japan
| | - Hiroaki Iijima
- b Ikuyaku. Integrated Value Development Division, Medical Affairs Department , Mitsubishi Tanabe Pharma Corporation , Tokyo , Japan
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17
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Custodio JS, Duraes AR, Abreu M, Albuquerque Rocha N, Roever L. SGLT2 inhibition and heart failure—current concepts. Heart Fail Rev 2018; 23:409-418. [PMID: 29704192 DOI: 10.1007/s10741-018-9703-2] [Citation(s) in RCA: 23] [Impact Index Per Article: 3.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 12/28/2022]
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18
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Pharmacological Prevention of Cardiovascular Outcomes in Diabetes Mellitus: Established and Emerging Agents. Drugs 2018; 78:203-214. [DOI: 10.1007/s40265-017-0857-3] [Citation(s) in RCA: 5] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/06/2023]
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19
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Cardiovascular Outcome Trials of Diabetes and Obesity Drugs: Implications for Conditional Approval and Early Phase Clinical Development. Pharmaceut Med 2017. [DOI: 10.1007/s40290-017-0209-3] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/18/2022]
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20
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Schnell O, Rydén L, Standl E, Ceriello A. Updates on cardiovascular outcome trials in diabetes. Cardiovasc Diabetol 2017; 16:128. [PMID: 29020969 PMCID: PMC5637292 DOI: 10.1186/s12933-017-0610-y] [Citation(s) in RCA: 41] [Impact Index Per Article: 5.9] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 09/26/2017] [Accepted: 10/03/2017] [Indexed: 12/20/2022] Open
Abstract
In 2008 the Food and Drug Administration introduced a guidance for industry that requires the investigation of cardiovascular outcomes of glucose-lowering medications. Since then, an increasing number of cardiovascular outcome trials have been completed in diabetes patients with high cardiovascular risk for members of the SGLT-2 and DPP4 inhibitors and GLP-1 receptor agonist classes. The trials confirmed cardiovascular safety for all tested anti-hyperglycaemic drugs and, in addition empagliflozin, semaglutide and liraglutide could even reduce cardiovascular risk. The present review summarizes the results of the DEVOTE, CANVAS, EXSCEL and ACE trials that tested cardiovascular safety of Insulin degludec, canagliflozin, once-weekly exenatide and acarbose and were published in 2017. We provide context on these results by comparing them with earlier trials of glucose-lowering drugs and give an outlook on what to expect in coming years.
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Affiliation(s)
- Oliver Schnell
- Forschergruppe Diabetes e. V., Ingolstaedter Landstraße 1, Neuherberg, 85764, Munich, Germany.
| | - Lars Rydén
- Cardiology Unit, Department of Medicine K2, Karolinska Institute, 171 76, Stockholm, Sweden
| | - Eberhard Standl
- Forschergruppe Diabetes e. V., Ingolstaedter Landstraße 1, Neuherberg, 85764, Munich, Germany
| | - Antonio Ceriello
- Institut d'Investigacions Biomèdiques August Pi i Sunyer (IDIBAPS) and Centro de Investigación, Biomedica en Red de Diabetes y Enfermedades Metabólicas Asociadas (CIBERDEM), Barcelona, Spain.,Department of Cardiovascular and Metabolic Diseases, IRCCS Multimedica Sesto San Giovanni, Via Milanese 300, 20099, Milan, Italy
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21
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Abstract
In view of the significant cardiovascular (CV) morbidity and mortality in patients with type 2 diabetes mellitus, and concerns raised about the CV safety of some glucose-lowering drugs, the US Food and Drug Administration (FDA) issued guidance for the industry in 2008 to demonstrate CV safety for the approval of all new antihyperglycemic drugs. Seven randomized controlled trials involving around 60,000 participants have been completed so far and have demonstrated the CV safety of dipeptidyl peptidase 4 inhibitors (saxagliptin, alogliptin and sitagliptin), glucagon-like peptide-1 receptor agonists (lixisenatide, liraglutide and semaglutide) and a sodium-glucose co-transporter 2 inhibitor (empagliflozin) in patients with type 2 diabetes. Three of these trials have in fact reported superiority of the study drug over placebo in terms of CV outcomes. However, all these trials were primarily designed as non-inferiority trials to exclude an unacceptable risk of CV events with these drugs in the shortest possible time period. The potential long-term benefit or risks were not assessed effectively as the median follow-up in these studies was limited to 1.5-3 years. Also, these trials included patients with relatively long duration of diabetes, advanced atherosclerosis and higher CV risk. Thus, these trials were not intended to assess CV benefit and are best interpreted as evidence for CV safety of these antihyperglycemic medications.
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Affiliation(s)
- Himika Chawla
- Department of Endocrinology and Metabolism, All India Institute of Medical Sciences, New Delhi, 110029, India
| | - Nikhil Tandon
- Department of Endocrinology and Metabolism, All India Institute of Medical Sciences, New Delhi, 110029, India.
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22
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Sanon VP, Patel S, Sanon S, Rodriguez R, Pham SV, Chilton R. Differential cardiovascular profiles of sodium-glucose cotransporter 2 inhibitors: critical evaluation of empagliflozin. Ther Clin Risk Manag 2017; 13:603-611. [PMID: 28496330 PMCID: PMC5422533 DOI: 10.2147/tcrm.s97619] [Citation(s) in RCA: 4] [Impact Index Per Article: 0.6] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/17/2022] Open
Abstract
One of the most feared repercussions of type 2 diabetes mellitus is the risk of adverse cardiovascular outcomes. The current antidiabetic agents on the market have had difficulty in showing cardiovascular outcome improvement. The EMPA-REG OUTCOME trial studied the sodium-glucose cotransporter 2 inhibitor empagliflozin in type 2 diabetic patients at high risk of cardiovascular events. The trial results revealed a decrease in the composite primary end points of death from cardiovascular causes, nonfatal myocardial infarction, and nonfatal stroke in those taking empagliflozin vs placebo. Those taking the medication also had a significant decrease in death from any cause, death from cardiovascular cause, and hospitalization for heart failure. The EMPA-REG trial is paradigm shifting because it demonstrates a clear mortality benefit to cardiovascular outcomes with a low side-effect profile, in contrast to prior outcome studies of hypoglycemic agents. Further studies are required to better clarify the long-term safety and efficacy of this promising class of diabetic drugs.
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Affiliation(s)
- Vani P Sanon
- Division of Cardiology, University of Texas Health Science Center at San Antonio, Audie L Murphy VA Hospital, San Antonio, TX
| | - Shalin Patel
- Division of Cardiology, University of Texas Health Science Center at San Antonio, Audie L Murphy VA Hospital, San Antonio, TX
| | - Saurabh Sanon
- Interventional Cardiology-Structural Heart Disease, Cardiology Consultants at Baptist Heart and Vascular Institute, Pensacola, FL, USA
| | - Ruben Rodriguez
- Division of Cardiology, University of Texas Health Science Center at San Antonio, Audie L Murphy VA Hospital, San Antonio, TX
| | - Son V Pham
- Division of Cardiology, University of Texas Health Science Center at San Antonio, Audie L Murphy VA Hospital, San Antonio, TX
| | - Robert Chilton
- Division of Cardiology, University of Texas Health Science Center at San Antonio, Audie L Murphy VA Hospital, San Antonio, TX
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23
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Chudleigh RA, Bain S. Cardiovascular safety of liraglutide for the treatment of type 2 diabetes. Expert Opin Drug Saf 2017; 16:627-635. [PMID: 28387138 DOI: 10.1080/14740338.2017.1313225] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/18/2023]
Abstract
INTRODUCTION Liraglutide is a GLP-1 RA that is an option for treatment of T2DM. Typical of all new glucose-lowering agents, its CV safety profile is of great interest. Areas covered: This article outlines the efficacy of the GLP-1 RA liraglutide from RCTs, moving through the pivotal phase 3 LEAD trials, and subsequent meta-analyses to assess CV safety. This review describes evolution of regulatory requirements to obtain safety information through dedicated CVOTs. Expert opinion: Since the FDA mandated that CV outcomes for new diabetes therapies should be assessed via a dedicated CVOT, opinion of their utility in T2DM evolved from cynicism through to enthusiasm. In LEADER, liraglutide became the second modern glucose-lowering agent to demonstrate significant CV benefit. CVOTs are now providing important answers, highlighting the CV benefits of modern glucose-lowering agents, but also raising several questions, notably whether the effects seen with liraglutide and empagliflozin are class-effects or are unique to these molecules. Furthermore it is unknown if these results in patients with high CV risk are applicable to all patients with T2DM, and should be incorporated into new treatment guidelines. In our view it's prudent to suggest that CVOT findings cannot currently be extrapolated to the whole T2DM population.
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Affiliation(s)
| | - Steve Bain
- a Singleton Hospital , Swansea UK.,b Institute of Life Science, Swansea University , UK
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24
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Kardiovaskuläre Aspekte der Diabetestherapie. Internist (Berl) 2017; 58:293-302. [DOI: 10.1007/s00108-017-0189-0] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/20/2022]
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25
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The Landscape of Glucose-Lowering Therapy and Cardiovascular Outcomes: From Barren Land to Metropolis. BIOMED RESEARCH INTERNATIONAL 2017; 2017:9257930. [PMID: 29270438 PMCID: PMC5705897 DOI: 10.1155/2017/9257930] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.1] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 06/14/2017] [Revised: 08/24/2017] [Accepted: 09/14/2017] [Indexed: 12/11/2022]
Abstract
The choice of glucose-lowering therapy (GLT) has expanded to include 11 different classes in addition to insulin. Since the 2008 Food and Drug Administration guidance for industry and mandate of demonstrating cardiovascular (CV) safety prior to any new drug approval, there were several trials primarily conducted to establish that goal. Some had neutral effects, while there were positively beneficial outcomes with more recent studies. Hospitalization for congestive heart failure has also been a heterogeneous finding among the different classes of GLT, with drug outcomes ranging from risky to beneficial. The current review selectively focuses on the evidence for CV outcomes for each class of GLT and summarizes the existing guidelines with regard to these drugs in heart disease. Moreover, it illustrates the dynamic status in the development of evidence. Finally, the review enables healthcare providers to formulate a plan for hypoglycemic therapy which will optimize CV health, in a patient-centered manner.
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26
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Meta-Analysis of Effects of Sodium-Glucose Cotransporter 2 Inhibitors on Cardiovascular Outcomes and All-Cause Mortality Among Patients With Type 2 Diabetes Mellitus. Am J Cardiol 2016; 118:1774-1780. [PMID: 27666177 DOI: 10.1016/j.amjcard.2016.08.061] [Citation(s) in RCA: 55] [Impact Index Per Article: 6.9] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 06/22/2016] [Revised: 08/19/2016] [Accepted: 08/19/2016] [Indexed: 02/06/2023]
Abstract
The benefit or risk of sodium glucose cotransporter 2 (SGLT2) inhibitors on cardiovascular (CV) outcomes in patients with type 2 diabetes mellitus has not been established. We aimed to assess the comparative CV safety and mortality risk associated with the use of SGLT2 inhibitors. PubMed, EMBASE, Cochrane Central Register of Controlled Trials (CENTRAL), and ClinicalTrials.gov were systematically searched up to January 27, 2016, to identify randomized controlled trials (RCTs) with the use of SGLT2 inhibitors of at least 24 weeks of duration. The primary outcomes included all-cause mortality and major adverse cardiovascular events. A random-effects network meta-analysis was performed to calculate the odds ratio (OR) with 95% CI. We identified 37 eligible trials involving 29,859 patients that compared 3 SGLT2 inhibitors (canagliflozin, dapagliflozin, and empagliflozin) to placebo and other active antidiabetic treatments. Of all direct and indirect comparisons, only empagliflozin compared with placebo was significantly associated with lower risk of all-cause mortality (OR 0.67, 95% CI 0.56 to 0.81) and major adverse cardiovascular events (OR 0.81, 95% CI 0.70 to 0.93). However, the significant effect of empagliflozin was largely driven by one large randomized trial (EMPA-REG OUTCOME trial). Neither dapagliflozin nor canagliflozin was significantly associated with any harm. In conclusion, current RCT evidence suggests that 3 common SGLT2 inhibitors are not associated with increased risk of all-cause mortality and CV outcomes when used to treat patients with type 2 diabetes mellitus. Although empagliflozin may have a protective effect, further confirmative data from rigorous RCTs are needed.
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27
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Lovre D, Htun W, Carrion C, Fonseca VA. What Are We Learning from the FDA-Mandated Cardiovascular Outcome Studies for New Pharmacological Antidiabetic Agents? Curr Diab Rep 2016; 16:94. [PMID: 27541296 DOI: 10.1007/s11892-016-0788-5] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 02/06/2023]
Abstract
Cardiovascular disease (CVD) is common in patients with diabetes. For these patients, clinicians should seek diabetes treatment that is beneficial rather than harmful in relation to CVD. Until recently, there have been many treatments for hyperglycemia, whose impact on CVD has been controversial. The aims of this review are to evaluate the effectiveness of antihyperglycemic medications on risk factors for CVD and to examine the impact of these drugs on CVD in cardiovascular (CV) outcome trials. In this article, we summarize current knowledge about the impacts of these drugs on various risk factors as well as CV outcomes. We identify the recent emergence of trials with antihyperglycemic agents showing newly discovered CV benefits as well as past trials with antihyperglycemic agents not showing much benefit on CV events. Rather than focusing on treatment strategies, we review the effects of individual drug classes on CV outcomes. We also briefly review goal-driven glycemia reduction and its impact on CVD. We conclude that antihyperglycemic agents are associated with improvement in CV risk factors in patients with diabetes and insulin resistance; in fact, a few drugs reduced CV events in randomized CV outcome trials. Therefore, the use of these drugs is appropriate for reducing glucose and decreasing CV event risk in a select subpopulation.
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Affiliation(s)
- Dragana Lovre
- Tulane University Health Sciences Center, 1430 Tulane Ave., SL-53, New Orleans, LA, 70112, USA.
| | - Wynn Htun
- Tulane University Health Sciences Center, 1430 Tulane Ave., SL-53, New Orleans, LA, 70112, USA
| | - Carly Carrion
- Tulane University Health Sciences Center, 1430 Tulane Ave., SL-53, New Orleans, LA, 70112, USA
| | - Vivian A Fonseca
- Tulane University Health Sciences Center, 1430 Tulane Ave., SL-53, New Orleans, LA, 70112, USA
- Southeast Louisiana Veterans Health Care Systems, New Orleans, USA
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28
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Schnell O, Rydén L, Standl E, Ceriello A. Current perspectives on cardiovascular outcome trials in diabetes. Cardiovasc Diabetol 2016; 15:139. [PMID: 27716274 PMCID: PMC5045635 DOI: 10.1186/s12933-016-0456-8] [Citation(s) in RCA: 56] [Impact Index Per Article: 7.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 07/23/2016] [Accepted: 09/23/2016] [Indexed: 12/23/2022] Open
Abstract
Cardiovascular disease (CVD) is one of the most common diabetes-associated complications, as well as a leading cause for death in type 2 diabetes patients (T2D). Despite the well-known correlation between the two, up until the 2008 FDA industry guidance for licensing of new anti-hyperglycemic drugs, which required an investigation of cardiovascular outcomes (CVO) of glucose-lowering agents, only a few studies had looked into the relationship between glucose lowering drugs and cardiovascular (CV) risk. Thereafter, CVOT design has focused on non-inferiority short-term studies on high-risk patient populations aiming at capturing CV safety issues. Despite the wealth of information and useful data provided by CVOTs, this approach still suffers from certain limitations. The present review will condense the main results of the most recently completed CVOTs, reflect on the lessons learned, discuss on the issues presented by current CVOT design and offer some suggestions for improvement.
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Affiliation(s)
- Oliver Schnell
- Forschergruppe Diabetes e.V., Munich, Ingolstaedter Landstrasse 1, 85764, Neuherberg (Munich), Germany.
| | - Lars Rydén
- Cardiology Unit, Department of Medicine K2, Karolinska Institutet, 171 76, Stockholm, Sweden
| | - Eberhard Standl
- Forschergruppe Diabetes e.V., Munich, Ingolstaedter Landstrasse 1, 85764, Neuherberg (Munich), Germany
| | - Antonio Ceriello
- Institut d'Investigacions Biomèdiques August Pi i Sunyer-IDIBAPS, Mallorca, 183, 08036, Barcelona, Spain.,IRCCS MultiMedica, Via Milanese, 300, 20099, Milan, Italy
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Bonadonna RC, Borghi C, Consoli A, Volpe M. Novel antidiabetic drugs and cardiovascular risk: Primum non nocere. Nutr Metab Cardiovasc Dis 2016; 26:759-766. [PMID: 27373139 DOI: 10.1016/j.numecd.2016.05.007] [Citation(s) in RCA: 15] [Impact Index Per Article: 1.9] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 04/15/2016] [Revised: 05/17/2016] [Accepted: 05/19/2016] [Indexed: 01/17/2023]
Abstract
AIMS Diabetes treatments aim at preventing undesirable metabolic effects of hyperglycemia and at preventing/reducing tissue damage, including cardiovascular (CV) events. For approval, novel diabetes drugs undergo early systematic investigation to assess CV safety. This review provides an updated analysis of the results of recent studies examining novel diabetes medications and CV outcomes. DATA SYNTHESIS The new regulatory guidelines enforce adjudication of all CV events when testing novel diabetes drugs. Endpoints of CV mortality, myocardial infarction (MI), stroke and hospitalization for heart failure (HF) were included in the most recent clinical studies on novel antihyperglycemics. These are: the incretin mimetics glucagon-like peptide 1 (GLP-1) receptor agonists (GLP1-RA), the incretin enhancers dipeptidylpeptidase-4 (DPP-4) inhibitors (DPP4-I or gliptins), and the sodium-glucose cotransporter (SGLT2) inhibitors (SGLT2-I or gliflozins). The studies ELIXA and EXAMINE, testing lixisenatide and alogliptin, respectively, revealed non-inferiority versus placebo in terms of CV safety. The SAVOR-TIMI 53 results confirmed overall CV safety of saxagliptin, but raised a warning related to the increase in the risk of hospitalization for HF in the saxagliptin group. Recently, TECOS revealed a particularly favorable CV profile for sitagliptin while EMPA-REG showed a significant CV risk reduction in empagliflozin treated subjects. Ongoing studies will provide additional data on CV safety for other GLP1-RAs, DPP4-I and SGLT2-I. CONCLUSIONS Results of safety outcome studies focused on CV events, including HF and mortality for CV causes, are not homogeneous. A critical analysis of these studies may help cardiologists and diabetes specialists to adapt their therapeutic choices to individual patients.
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Affiliation(s)
- R C Bonadonna
- Department of Clinical and Experimental Medicine, University of Parma and Division of Endocrinology, Azienda Ospedaliera Universitaria of Parma, Parma, Italy
| | - C Borghi
- Department of Medical and Surgical Sciences, University of Bologna, Bologna, Italy
| | - A Consoli
- Department of Medicine and Ageing Sciences and Inter-Departmental Center CeSI-MeT, University d'Annunzio, Chieti, Italy.
| | - M Volpe
- Cardiology, Dept. of Clinical and Molecular Medicine, University of Rome Sapienza, Rome, Italy; IRCCS Neuromed, Pozzilli, Italy
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30
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Mosenzon O, Pollack R, Raz I. Treatment of Type 2 Diabetes: From "Guidelines" to "Position Statements" and Back: Recommendations of the Israel National Diabetes Council. Diabetes Care 2016; 39 Suppl 2:S146-53. [PMID: 27440827 DOI: 10.2337/dcs15-3003] [Citation(s) in RCA: 21] [Impact Index Per Article: 2.6] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 02/03/2023]
Abstract
Given the increased prevalence of type 2 diabetes worldwide, most patients are treated by their primary health care team (PHCT). PHCTs need guidance in choosing the best treatment regimen for patients, since the number of glucose-lowering agents (GLAs) is rapidly increasing, as is the amount of clinical data regarding these drugs. The American Diabetes Association/European Association for the Study of Diabetes Position Statement emphasizes the importance of personalized treatment and lists drug efficacy, risk of hypoglycemia, effect on weight, side effects, and cost as important parameters to consider when choosing GLAs. The suggested Israeli guidelines refocus earlier international recommendations from 2012 and 2015, based on emerging data from cardiovascular outcome trials as well as what we believe are important issues for patient care (i.e., durability, hypoglycemia risk, and weight gain).
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Affiliation(s)
- Ofri Mosenzon
- Diabetes Unit, Division of Internal Medicine, Hadassah Hebrew University Hospital, Jerusalem, Israel
| | - Rena Pollack
- Diabetes Unit, Division of Internal Medicine, Hadassah Hebrew University Hospital, Jerusalem, Israel
| | - Itamar Raz
- Diabetes Unit, Division of Internal Medicine, Hadassah Hebrew University Hospital, Jerusalem, Israel
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31
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Mannucci E, Mosenzon O, Avogaro A. Analyses of Results From Cardiovascular Safety Trials With DPP-4 Inhibitors: Cardiovascular Outcomes, Predefined Safety Outcomes, and Pooled Analysis and Meta-analysis. Diabetes Care 2016; 39 Suppl 2:S196-204. [PMID: 27440833 DOI: 10.2337/dcs15-3024] [Citation(s) in RCA: 34] [Impact Index Per Article: 4.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 02/03/2023]
Abstract
The U.S. Food and Drug Administration requires that the cardiovascular (CV) safety of all new drugs for diabetes be demonstrated through pooled analyses of phase III studies or specifically designed trials. This requirement prompted several placebo-controlled, noninferiority CV safety trials in high-risk patients; to date, all completed trials showed that dipeptidyl peptidase (DPP)-4 inhibitors do not increase or reduce the risk of major CV events. These results apparently contrast with those of pooled analyses and meta-analyses of previous, smaller trials with metabolic end points, which had suggested a reduction of risk. However, the design of CV trials, which were required to demonstrate safety, is not adequate (for duration, management of concurrent therapies, etc.) for the assessment of potential therapeutic benefits. In addition, CV safety trials enroll patients at high risk of CV events, who are different from those included in earlier trials with metabolic end points. Differences in characteristics of patients enrolled probably account for most of the discrepancy in CV outcomes between CV safety studies and earlier trials. The availability of several large-scale trials with longer duration provides the unique opportunity for assessment of the safety of DPP-4 inhibitors not only with respect to major CV events but also with reference to other safety issues. For example, CV safety trials can be a source of information for pancreatitis, cancer, or hypoglycemia.
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Affiliation(s)
| | - Ofri Mosenzon
- Internal Medicine, Hadassah Medical Center, Jerusalem, Israel
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32
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Affiliation(s)
- Eberhard Standl
- Munich Diabetes Research Group e.V. at the Munich Helmholtz Centre, Munich-Neuherberg, Germany
| | - David R Owen
- Diabetes Research Group, Institute of Life Sciences, College of Medicine, Swansea University, Swansea, Wales, U.K
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33
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John M, Gopalakrishnan Unnikrishnan A, Kalra S, Nair T. Cardiovascular outcome trials for anti-diabetes medication: A holy grail of drug development? Indian Heart J 2016; 68:564-71. [PMID: 27543483 PMCID: PMC4990725 DOI: 10.1016/j.ihj.2016.02.017] [Citation(s) in RCA: 14] [Impact Index Per Article: 1.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/03/2015] [Revised: 01/28/2016] [Accepted: 02/15/2016] [Indexed: 01/21/2023] Open
Abstract
Since the time questions arose on cardiovascular safety of Rosiglitazone, FDA has suggested guidelines on conduct of studies on anti-diabetic drugs so as to prove that the cardiovascular risk is acceptable. Based on the cardiovascular risks of pre-approval clinical trials, guidelines have been made to conduct cardiovascular safety outcome trials (CVSOTs) prior to the drug approval or after the drug has been approved. Unlike the trials comparing the efficacy of antidiabetic agents, the CVSOTs examine the cardiovascular safety of a drug in comparison to standard of care. These trials are expensive aspects of drug development and are associated with various technical and operational challenges. More cost effective models of assessing cardiovascular safety like use of biomarkers, electronic medical records, pragmatic and factorial designs can be adopted. This article critically looks at the antidiabetic drug approval from a cardiovascular perspective by asking a few questions and arriving at answers.
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Affiliation(s)
- Mathew John
- Consultant Endocrinologist, Department of Endocrinology and Diabetes, Providence Endocrine and Diabetes Specialty Centre, TC 1/2138, Murinjapalam, Trivandrum 695011, India.
| | | | - Sanjay Kalra
- Endocrinologist, Bharti Hospital and B.R.I.D.E., Karnal, Haryana 132001, India.
| | - Tiny Nair
- Head, Department of Cardiology, PRS Hospital, Trivandrum, Kerala 695012, India.
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Geiger MJ, Mehta C, Turner JR, Arbet-Engels C, Hantel S, Hirshberg B, Koglin J, Mendzelevski B, Sager PT, Shapiro D, Stewart M, Todaro TG, Gaydos B. Clinical Development Approaches and Statistical Methodologies to Prospectively Assess the Cardiovascular Risk of New Antidiabetic Therapies for Type 2 Diabetes. Ther Innov Regul Sci 2015; 49:50-64. [DOI: 10.1177/2168479014549860] [Citation(s) in RCA: 19] [Impact Index Per Article: 2.1] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/16/2022]
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Son JW, Kim S. Dipeptidyl Peptidase 4 Inhibitors and the Risk of Cardiovascular Disease in Patients with Type 2 Diabetes: A Tale of Three Studies. Diabetes Metab J 2015; 39:373-83. [PMID: 26566494 PMCID: PMC4641966 DOI: 10.4093/dmj.2015.39.5.373] [Citation(s) in RCA: 31] [Impact Index Per Article: 3.4] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 12/17/2022] Open
Abstract
Dipeptidyl peptidase 4 (DPP4) inhibitors have been touted as promising antihyperglycemic agents due to their beneficial effects on glycemia without inducing hypoglycemia or body weight gain and their good tolerability. Beyond their glucose-lowering effects, numerous clinical trials and experimental studies have suggested that DPP4 inhibitors may exert cardioprotective effects through their pleiotropic actions via glucagon-like peptide 1-dependent mechanisms or involving other substrates. Since 2008, regulatory agencies have required an assessment of cardiovascular disease (CVD) safety for the approval of all new anti-hyperglycemic agents, including incretin-based therapies. Three large prospective DPP4 inhibitor trials with cardiovascular (CV) outcomes have recently been published. According to the Saxagliptin Assessment of Vascular Outcomes Recorded in Patients with Diabetes Mellitus (SAVOR-TIMI 53) and EXamination of cArdiovascular outcoMes with alogliptIN versus standard of carE in patients with type 2 diabetes mellitus and acute coronary syndrome (EXAMINE) trials, DPP4 inhibitors, including saxagliptin and alogliptin, did not appear to increase the risk of CV events in patients with type 2 diabetes and established CVD or high risk factors. Unexpectedly, saxagliptin significantly increased the risk of hospitalization for heart failure by 27%, a finding that has not been explained and that requires further exploration. More recently, the Trial Evaluating Cardiovascular Outcomes with Sitagliptin (TECOS) trial demonstrated the CV safety of sitagliptin, including assessments of the primary composite CV endpoint and hospitalization for heart failure in patients with type 2 diabetes and established CVD. The CV outcomes of an ongoing linagliptin trial are expected to provide new evidence about the CV effects of a DPP4-inhibitor in patients with type 2 diabetes.
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Affiliation(s)
- Jang Won Son
- Division of Endocrinology and Metabolism, Department of Internal Medicine, Bucheon St. Mary's Hospital, College of Medicine, The Catholic University of Korea, Bucheon, Korea
| | - Sungrae Kim
- Division of Endocrinology and Metabolism, Department of Internal Medicine, Bucheon St. Mary's Hospital, College of Medicine, The Catholic University of Korea, Bucheon, Korea
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Kappel BA, Marx N, Federici M. Oral hypoglycemic agents and the heart failure conundrum: Lessons from and for outcome trials. Nutr Metab Cardiovasc Dis 2015; 25:697-705. [PMID: 26164634 DOI: 10.1016/j.numecd.2015.06.006] [Citation(s) in RCA: 10] [Impact Index Per Article: 1.1] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 04/21/2015] [Revised: 06/13/2015] [Accepted: 06/13/2015] [Indexed: 11/23/2022]
Abstract
AIM Type 2 diabetes is not only an independent risk factor for cardiovascular (CV) disease but is also associated with a greater incidence of heart failure (HF). The aim of this review is to examine the effects of oral antidiabetic drugs on CV disease and HF. DATA SYNTHESIS Trials of anti-diabetic agents are now designed to assess CV safety, but frequently HF is not included as a primary endpoint. However, HF in patients with diabetes is more frequent than other CV events and seems to be underestimated. A burning question is therefore if the most used trial design to monitor CV safety, i.e. non-inferiority, allows clinical translation of trial findings. Available data further suggest that the CV effects of anti-diabetic drugs may be rather class-specific and are only partly due to their glucose-lowering actions. Metformin, recommended as first line in most guidelines, shows positive CV effects while other classes like thiazolidinediones may precipitate HF. Experimental results on the relatively novel dipeptidyl peptidase IV (DPP IV) inhibitors imply CV protective effects, but the non-inferiority trials published to date show an overall neutral CV outcome and a potential increase in HF by saxagliptin. However, results on sitagliptin of the recently released TECOS indicate that HF is not a class-dependent effect of DPP IV inhibitors. CONCLUSION Further basic research and long-term outcome studies to clarify the effects of antidiabetic agents on CV and HF are required so that we can select the optimal antidiabetic therapy for our patients.
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Affiliation(s)
- B A Kappel
- Department of Systems Medicine, University of Rome Tor Vergata, Rome, Italy; Department of Internal Medicine I, University Hospital Aachen, Germany
| | - N Marx
- Department of Internal Medicine I, University Hospital Aachen, Germany
| | - M Federici
- Department of Systems Medicine, University of Rome Tor Vergata, Rome, Italy; Center for Atherosclerosis, Policlinico Tor Vergata, Rome, Italy.
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Uno H, Wittes J, Fu H, Solomon SD, Claggett B, Tian L, Cai T, Pfeffer MA, Evans SR, Wei LJ. Alternatives to Hazard Ratios for Comparing the Efficacy or Safety of Therapies in Noninferiority Studies. Ann Intern Med 2015; 163:127-34. [PMID: 26054047 PMCID: PMC4510023 DOI: 10.7326/m14-1741] [Citation(s) in RCA: 149] [Impact Index Per Article: 16.6] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 01/08/2023] Open
Abstract
A noninferiority study is often used to investigate whether a treatment's efficacy or safety profile is acceptable compared with an alternative therapy regarding the time to a clinical event. The empirical quantification of the treatment difference for such a study is routinely based on the hazard ratio (HR) estimate. The HR, which is not a relative risk, may be difficult to interpret clinically, especially when the underlying proportional hazards assumption is violated. The precision of the HR estimate depends primarily on the number of observed events but not directly on exposure times or sample size of the study population. If the event rate is low, the study may require an impractically large number of events to ensure that the prespecified noninferiority criterion for the HR is attainable. This article discusses deficiencies in the current approach for the design and analysis of a noninferiority study. Alternative procedures are provided, which do not depend on any model assumption, to compare 2 treatments. For a noninferiority safety study, the patients' exposure times are more clinically important than the observed number of events. If the patients' exposure times are long enough to evaluate safety reliably, then these alternative procedures can effectively provide clinically interpretable evidence on safety, even with relatively few observed events. These procedures are illustrated with data from 2 studies. One explores the cardiovascular safety of a pain medicine; the second examines the cardiovascular safety of a new treatment for diabetes. These alternative strategies to evaluate safety or efficacy of an intervention lead to more meaningful interpretations of the analysis results than the conventional strategy that uses the HR estimate.
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Affiliation(s)
- Hajime Uno
- From Dana Farber Cancer Institute, Brigham and Women's Hospital, and Harvard University, Boston, Massachusetts; Statistics Collaborative, Washington, DC; Eli Lilly and Company, Indianapolis, Indiana; and Stanford University School of Medicine, Palo Alto, California
| | - Janet Wittes
- From Dana Farber Cancer Institute, Brigham and Women's Hospital, and Harvard University, Boston, Massachusetts; Statistics Collaborative, Washington, DC; Eli Lilly and Company, Indianapolis, Indiana; and Stanford University School of Medicine, Palo Alto, California
| | - Haoda Fu
- From Dana Farber Cancer Institute, Brigham and Women's Hospital, and Harvard University, Boston, Massachusetts; Statistics Collaborative, Washington, DC; Eli Lilly and Company, Indianapolis, Indiana; and Stanford University School of Medicine, Palo Alto, California
| | - Scott D. Solomon
- From Dana Farber Cancer Institute, Brigham and Women's Hospital, and Harvard University, Boston, Massachusetts; Statistics Collaborative, Washington, DC; Eli Lilly and Company, Indianapolis, Indiana; and Stanford University School of Medicine, Palo Alto, California
| | - Brian Claggett
- From Dana Farber Cancer Institute, Brigham and Women's Hospital, and Harvard University, Boston, Massachusetts; Statistics Collaborative, Washington, DC; Eli Lilly and Company, Indianapolis, Indiana; and Stanford University School of Medicine, Palo Alto, California
| | - Lu Tian
- From Dana Farber Cancer Institute, Brigham and Women's Hospital, and Harvard University, Boston, Massachusetts; Statistics Collaborative, Washington, DC; Eli Lilly and Company, Indianapolis, Indiana; and Stanford University School of Medicine, Palo Alto, California
| | - Tianxi Cai
- From Dana Farber Cancer Institute, Brigham and Women's Hospital, and Harvard University, Boston, Massachusetts; Statistics Collaborative, Washington, DC; Eli Lilly and Company, Indianapolis, Indiana; and Stanford University School of Medicine, Palo Alto, California
| | - Marc A. Pfeffer
- From Dana Farber Cancer Institute, Brigham and Women's Hospital, and Harvard University, Boston, Massachusetts; Statistics Collaborative, Washington, DC; Eli Lilly and Company, Indianapolis, Indiana; and Stanford University School of Medicine, Palo Alto, California
| | - Scott R. Evans
- From Dana Farber Cancer Institute, Brigham and Women's Hospital, and Harvard University, Boston, Massachusetts; Statistics Collaborative, Washington, DC; Eli Lilly and Company, Indianapolis, Indiana; and Stanford University School of Medicine, Palo Alto, California
| | - Lee-Jen Wei
- From Dana Farber Cancer Institute, Brigham and Women's Hospital, and Harvard University, Boston, Massachusetts; Statistics Collaborative, Washington, DC; Eli Lilly and Company, Indianapolis, Indiana; and Stanford University School of Medicine, Palo Alto, California
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Haluzík M, Mráz M, Svačina Š. Balancing benefits and risks in patients receiving incretin-based therapies: focus on cardiovascular and pancreatic side effects. Drug Saf 2015; 37:1003-10. [PMID: 25391858 DOI: 10.1007/s40264-014-0238-8] [Citation(s) in RCA: 8] [Impact Index Per Article: 0.9] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/14/2022]
Abstract
Incretin-based therapies either increase endogenous levels of glucagon-like peptide-1 by prolonging its half-life (DPP-4 inhibitors) or directly stimulate its receptor (glucagon-like peptide-1 analogues; GLP-1 RA). They are currently widely used for the treatment of patients with type 2 diabetes mellitus owing to good antidiabetic efficacy, low risk of hypoglycemia, and relatively few other side effects. They also offer potential additional benefits such as weight neutrality or weight loss, positive effects on blood pressure and lipid levels, and potential cardio- and neuroprotectivity. Some experimental and clinical studies have raised concerns with respect to potential cardiovascular and pancreatic side effects of these therapies such as increased risk of heart failure with DPP-4 inhibitors as well as acute pancreatitis and pancreatic cancer with both classes. The available data are at present not robust enough to enable firm conclusions regarding these potential associations. Nevertheless, some recent data suggest a possibility of slightly increased risk of acute pancreatitis with GLP-1 RAs while they do not indicate increased risk of pancreatic cancer. Ongoing cardiovascular outcome trials will shed more light on the possible cardioprotective effects of incretin-based therapies as well as on the possible interconnection of DPP-4 inhibitors and heart failure.
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Affiliation(s)
- Martin Haluzík
- 3rd Dept. of Medicine, 1st Faculty of Medicine and General University Hospital, Charles University, U Nemocnice 1, 128 08, Prague 2, Czech Republic,
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Koska J, Sands M, Burciu C, Reaven P. Cardiovascular effects of dipeptidyl peptidase-4 inhibitors in patients with type 2 diabetes. Diab Vasc Dis Res 2015; 12:154-63. [PMID: 25852133 DOI: 10.1177/1479164114562411] [Citation(s) in RCA: 24] [Impact Index Per Article: 2.7] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 12/15/2022] Open
Abstract
Cardiovascular (CV) disease is the leading cause of mortality and morbidity in patients with type 2 diabetes mellitus (T2DM). However, improving glycaemic control alone has not decreased CV events. Therapies that improve glycaemic control, CV disease risk factors and CV function are more likely to be successful. Dipeptidyl peptidase-4 (DPP-4) inhibitors prevent breakdown of incretin hormones glucagon-like peptide-1(GLP-1) and glucose-dependent insulinotropic peptide and improve glycaemic control in patients with T2DM. DPP-4 acts on other substrates, many associated with cardioprotection. Thus, inhibition of DPP-4 may lead to elevations in these potentially beneficial substrates. Data from animal studies and small observational studies in humans suggest that DPP-4 inhibitors may potentially reduce CV risk. However, recently completed CV outcome trials in patients with T2DM and CV disease or at high risk of adverse CV events have shown that the DPP-4 inhibitors saxagliptin and alogliptin neither increased nor decreased major adverse CV events.
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Affiliation(s)
- Juraj Koska
- Phoenix Veterans Affairs Health Care System, Phoenix, AZ, USA
| | - Michelle Sands
- Phoenix Veterans Affairs Health Care System, Phoenix, AZ, USA
| | - Camelia Burciu
- Phoenix Veterans Affairs Health Care System, Phoenix, AZ, USA
| | - Peter Reaven
- Phoenix Veterans Affairs Health Care System, Phoenix, AZ, USA
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Monnier L, Colette C, Dejager S, Owens DR. "Mild dysglycemia" in type 2 diabetes: to be neglected or not? J Diabetes Complications 2015; 29:451-8. [PMID: 25572605 DOI: 10.1016/j.jdiacomp.2014.12.004] [Citation(s) in RCA: 18] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 10/13/2014] [Revised: 12/05/2014] [Accepted: 12/06/2014] [Indexed: 01/02/2023]
Abstract
"Mild dysglycemia" in type 2 diabetes can be defined by the range of HbA1c levels≥6.5% (48 mmol/mol) and<7% (53 mmol/mol), which corresponds to when the risk for vascular complications begins to increase. This "mild dysglycemia" is characterized by both a dawn phenomenon (a spontaneous blood glucose rise in the early morning) and an excess of post-prandial glucose excursions in the absence of abnormal elevation in basal glucose, especially during nocturnal periods. This represents an intermediary stage between pre-diabetes (HbA1c≥5.7%, 39 mmol/mol, and<6.5%, 48 mmol/mol) and those who begin to show a steadily progressive worsening in basal glucose (HbA1c≥7%, 53 mmol/mol). Should this relatively minor intermediate dysglycemic phase deserve more attention, that is the question. The now available incretin-based therapies, and more specifically the DPP-4 inhibitors provide the clinician with the possibility to reduce or eradicate both the dawn phenomenon and post-meal glucose excursions with minimal side effects. The availability of 24-h glycemic profiles in those with "mild dysglycemia" will help to describe their individual glycemic phenotype, based on which the early and appropriate life style changes and/or pharmacological interventions can be introduced.
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Affiliation(s)
- Louis Monnier
- Institute of Clinical Research, University Montpellier 1, France.
| | - Claude Colette
- Institute of Clinical Research, University Montpellier 1, France
| | - Sylvie Dejager
- Department of Endocrinology, Hospital Pitié Salpétrière, Paris, France
| | - David R Owens
- Diabetes Research Group, Swansea University, United Kingdom
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Davidson MH. Potential Impact of Dipeptidyl Peptidase-4 Inhibitors on Cardiovascular Pathophysiology in Type 2 Diabetes Mellitus. Postgrad Med 2015; 126:56-65. [DOI: 10.3810/pgm.2014.05.2756] [Citation(s) in RCA: 11] [Impact Index Per Article: 1.2] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/05/2022]
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Wang Y, Berlin JA, Pinheiro J, Wilcox MA. Causal inference methods to assess safety upper bounds in randomized trials with noncompliance. Clin Trials 2015; 12:265-75. [PMID: 25733675 PMCID: PMC4420771 DOI: 10.1177/1740774515572352] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/16/2022]
Abstract
BACKGROUND Premature discontinuation and other forms of noncompliance with treatment assignment can complicate causal inference of treatment effects in randomized trials. The intent-to-treat analysis gives unbiased estimates for causal effects of treatment assignment on outcome, but may understate potential benefit or harm of actual treatment. The corresponding upper confidence limit can also be underestimated. PURPOSE To compare estimates of the hazard ratio and upper bound of the two-sided 95% confidence interval from causal inference methods that account for noncompliance with those from the intent-to-treat analysis. METHODS We used simulations with parameters chosen to reflect cardiovascular safety trials of diabetes drugs, with a focus on upper bound estimates relative to 1.3, based on regulatory guidelines. A total of 1000 simulations were run under each parameter combination for a hypothetical trial of 10,000 total subjects randomly assigned to active treatment or control at 1:1 ratio. Noncompliance was considered in the form of treatment discontinuation and cross-over at specified proportions, with an assumed true hazard ratio of 0.9, 1, and 1.3, respectively. Various levels of risk associated with being a non-complier (independent of treatment status) were evaluated. Hazard ratio and upper bound estimates from causal survival analysis and intent-to-treat were obtained from each simulation and summarized under each parameter setting. RESULTS Causal analysis estimated the true hazard ratio with little bias in almost all settings examined. Intent-to-treat was unbiased only when the true hazard ratio = 1; otherwise it underestimated both benefit and harm. When upper bound estimates from intent-to-treat were ≥1.3, corresponding estimates from causal analysis were also ≥1.3 in almost 100% of the simulations, regardless of the true hazard ratio. When upper bound estimates from intent-to-treat were <1.3 and the true hazard ratio = 1, corresponding upper bound estimates from causal analysis were ≥1.3 in up to 66% of the simulations under some settings. LIMITATIONS Simulations cannot cover all scenarios for noncompliance in real randomized trials. CONCLUSION Causal survival analysis was superior to intent-to-treat in estimating the true hazard ratio with respect to bias in the presence of noncompliance. However, its large variance should be considered for safety upper bound exclusion especially when the true hazard ratio = 1. Our simulations provided a broad reference for practical considerations of bias-variance trade-off in dealing with noncompliance in cardiovascular safety trials of diabetes drugs. Further research is warranted for the development and application of causal inference methods in the evaluation of safety upper bounds.
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Affiliation(s)
- Yiting Wang
- Janssen Research & Development, LLC, Titusville, NJ, USA
| | | | - José Pinheiro
- Janssen Research & Development, LLC, Raritan, NJ, USA
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Characterization of an anesthetized dog model of transient cardiac ischemia and rapid pacing: A pilot study for preclinical assessment of the potential for proarrhythmic risk of novel drug candidates. J Pharmacol Toxicol Methods 2015; 72:72-84. [DOI: 10.1016/j.vascn.2014.10.006] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/22/2014] [Revised: 10/16/2014] [Accepted: 10/16/2014] [Indexed: 01/14/2023]
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Toth PP. Overview of saxagliptin efficacy and safety in patients with type 2 diabetes and cardiovascular disease or risk factors for cardiovascular disease. Vasc Health Risk Manag 2014; 11:9-23. [PMID: 25565858 PMCID: PMC4278729 DOI: 10.2147/vhrm.s75215] [Citation(s) in RCA: 5] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/12/2023] Open
Abstract
Most individuals with type 2 diabetes mellitus have or will develop multiple independent risk factors for cardiovascular disease, particularly coronary artery disease (CAD). CAD is the leading cause of morbidity and mortality among individuals with type 2 diabetes mellitus, and treating these patients is challenging. The risk of hypoglycemia, weight gain, or fluid retention with some diabetes medications should be considered when developing a treatment plan for individuals with a history of CAD or at risk for CAD. Dipeptidyl peptidase-4 inhibitors are oral antihyperglycemic agents that inhibit the breakdown of the incretin hormones glucagon-like peptide-1 and glucose-dependent insulinotropic polypeptide, resulting in increased glucose-dependent insulin secretion and suppression of glucagon secretion. Saxagliptin is a potent and selective dipeptidyl peptidase-4 inhibitor that improves glycemic control and is generally well tolerated when used as monotherapy and as add-on therapy to other antihyperglycemic medications. This review summarizes findings from recently published post hoc analyses of saxagliptin clinical trials that have been conducted in patients with and without a history of cardiovascular disease and in patients with and without various risk factors for cardiovascular disease. The results show that saxagliptin was generally well tolerated and consistently improved glycemic control, as assessed by reductions from baseline in glycated hemoglobin, fasting plasma glucose concentration, and postprandial glucose concentration, regardless of the presence or absence of baseline cardiovascular disease, hypertension, statin use, number of cardiovascular risk factors, or high Framingham 10-year cardiovascular risk score.
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Affiliation(s)
- Peter P Toth
- CGH Medical Center, Sterling IL, USA ; Johns Hopkins University School of Medicine, Baltimore, MD, USA
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Forst T, Bramlage P. Vildagliptin , a DPP-4 inhibitor for the twice-daily treatment of type 2 diabetes mellitus with or without metformin. Expert Opin Pharmacother 2014; 15:1299-313. [PMID: 24837407 DOI: 10.1517/14656566.2014.920009] [Citation(s) in RCA: 16] [Impact Index Per Article: 1.6] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/28/2022]
Abstract
INTRODUCTION Dipeptidyl peptidase-4 inhibitors increase circulating levels of glucagon-like peptide 1 (GLP-1) and glucose dependent insulinotropic polypeptide regulating glucose-dependent insulin secretion. In addition, GLP-1 suppresses glucagon secretion, delays gastric emptying and increases satiety. The combination of vildagliptin with the biguanide metformin is of particular interest because of its complementary mode of action, addressing insulin resistance, alpha- and beta cell function in the islet of the pancreas. AREAS COVERED Because of the abundance of data supporting the use of vildagliptin alone and in combination with metformin, the present paper aims at giving an overview on the current evidence for its use in patients with type 2 diabetes mellitus. EXPERT OPINION The data suggest that vildagliptin offers similar glycemic control compared to sulfonylureas and thiazolidinediones, while having the benefit of being associated with fewer cases of hypoglycemia and less body weight gain. There is increasing evidence that compared with sulfonylureas, vildagliptin has favorable effects on pancreatic alpha- and beta-cell function. Vildagliptin in combination with metformin, improve glycemic control with a favorable safety and tolerability profile, making it an attractive therapeutic option in patients where metformin monotherapy alone is not sufficient.
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Affiliation(s)
- Thomas Forst
- Profil Institut Mainz , Rheinstrasse 4C, 55116 Mainz , Germany +49 6131 2162701 ;
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Jayawardene D, Ward GM, O’Neal DN, Theverkalam G, MacIsaac AI, MacIsaac RJ. New Treatments for Type 2 Diabetes: Cardiovascular Protection Beyond Glucose Lowering? Heart Lung Circ 2014; 23:997-1008. [DOI: 10.1016/j.hlc.2014.05.007] [Citation(s) in RCA: 9] [Impact Index Per Article: 0.9] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/13/2014] [Accepted: 05/17/2014] [Indexed: 01/29/2023]
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Raz I, Bhatt DL, Hirshberg B, Mosenzon O, Scirica BM, Umez-Eronini A, Im K, Stahre C, Buskila A, Iqbal N, Greenberger N, Lerch MM. Incidence of pancreatitis and pancreatic cancer in a randomized controlled multicenter trial (SAVOR-TIMI 53) of the dipeptidyl peptidase-4 inhibitor saxagliptin. Diabetes Care 2014; 37:2435-41. [PMID: 24914244 DOI: 10.2337/dc13-2546] [Citation(s) in RCA: 55] [Impact Index Per Article: 5.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 02/03/2023]
Abstract
OBJECTIVE To determine the incidence of pancreatitis and pancreatic cancer in the SAVOR-TIMI 53 trial. RESEARCH DESIGN AND METHODS A total of 16,492 type 2 diabetic patients ≥40 years old with established cardiovascular (CV) disease or CV risk factors were randomized to saxagliptin or placebo and followed for 2.1 years. Outcome measures were investigator reported with blinded expert adjudication of total pancreatitis (acute and chronic) and reported cases of pancreatic cancer. RESULTS Trial investigators reported 35 events of pancreatitis in each treatment arm in 63 patients (33 [0.40%] in the saxagliptin arm and 30 [0.37%] in control arm), with a hazard ratio (HR) of 1.09 (95% CI 0.66-1.79, P = 0.80). Adjudication confirmed pancreatitis in 24 patients (26 events) in the saxagliptin arm (0.29%) and 21 patients (25 events) in placebo arm (0.26%), with an HR of 1.13 (0.63-2.06, P = 0.77). Cases of definite acute pancreatitis were confirmed in 17 (0.2%) vs. 9 (0.1%) (HR 1.88 [0.86-4.41], P = 0.17), definite plus possible pancreatitis in 22 vs. 16 (HR 1.36 [0.72-2.64], P = 0.42), and chronic pancreatitis in 2 vs. 6 (HR 0.33 [0.05-1.44], P = 0.18) in the saxagliptin and placebo arms, respectively. No differences in time to event onset, concomitant risk factors for pancreatitis, investigator-reported causality from study medication or disease severity, and outcome were found between treatment arms. The investigators reported 5 and 12 cases of pancreatic cancer in the saxagliptin and placebo arms, respectively (HR 0.42 [0.13-1.12], P = 0.09). CONCLUSIONS In the SAVOR-TIMI 53 trial, within 2.1 years of follow-up, risk for pancreatitis in type 2 diabetic patients treated with saxagliptin was low and apparently similar to placebo, with no sign of increased risk for pancreatic cancer. Further studies are needed to completely resolve the pancreatic safety issues with incretin-based therapy.
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Affiliation(s)
- Itamar Raz
- Diabetes Unit, Department of Medicine, Hadassah Hebrew University Hospital, Jerusalem, Israel
| | - Deepak L Bhatt
- TIMI Study Group, Cardiovascular Division, Brigham and Women's Hospital and Harvard Medical School, Boston, MA
| | | | - Ofri Mosenzon
- Diabetes Unit, Department of Medicine, Hadassah Hebrew University Hospital, Jerusalem, Israel
| | - Benjamin M Scirica
- TIMI Study Group, Cardiovascular Division, Brigham and Women's Hospital and Harvard Medical School, Boston, MA
| | - Amarachi Umez-Eronini
- TIMI Study Group, Cardiovascular Division, Brigham and Women's Hospital and Harvard Medical School, Boston, MA
| | - KyungAh Im
- TIMI Study Group, Cardiovascular Division, Brigham and Women's Hospital and Harvard Medical School, Boston, MA
| | | | - Alona Buskila
- Diabetes Unit, Department of Medicine, Hadassah Hebrew University Hospital, Jerusalem, Israel
| | | | - Norton Greenberger
- TIMI Study Group, Cardiovascular Division, Brigham and Women's Hospital and Harvard Medical School, Boston, MA
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Abstract
Lixisenatide (Lyxumia(®)) is a glucagon-like peptide-1 receptor agonist that acts in a glucose-dependent manner to improve glycemic control in adult patients with type 2 diabetes mellitus. Subcutaneous once-daily prandial lixisenatide is indicated for the treatment of adult patients with type 2 diabetes to achieve glycemic control in combination with oral antihyperglycemic drugs (OADs) and/or basal insulin when these antihyperglycemic drugs do not provide adequate glycemic control. In an extensive phase III clinical trial program, lixisenatide once daily in combination with OADs and/or basal insulin for 24 weeks improved glycemic control, had beneficial effects on bodyweight, and was generally well tolerated in adult patients with inadequately controlled type 2 diabetes despite treatment with OADs and/or basal insulin. At 24 weeks, in terms of the primary efficacy endpoint of each trial, combination therapy with lixisenatide was associated with better efficacy than placebo in patients inadequately controlled on OADs and/or basal insulin, was shown to be noninferior to exenatide in patients inadequately controlled on background metformin therapy, and showed similar efficacy to sitagliptin in patients inadequately controlled on background metformin therapy. Further clinical experience/post-marketing surveillance studies and long-term safety data, along with pharmacoeconomic analyses, are required to fully define the position of lixisenatide in relation to other antihyperglycemics. In the meantime, once-daily prandial lixisenatide in combination with OADs and/or basal insulin (plus diet and exercise) is an effective option for improving glycemic control in adult patients with type 2 diabetes, including in patients where bodyweight loss is an essential component in their management.
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49
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Masmiquel L. [Cardiovascular effects and safety of glucose-lowering drugs: current situation]. Semergen 2014; 40:80-8. [PMID: 24655910 DOI: 10.1016/j.semerg.2012.12.001] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.2] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/08/2012] [Revised: 11/23/2012] [Accepted: 12/01/2012] [Indexed: 10/27/2022]
Abstract
Diabetes mellitus is an independent cardiovascular risk factor. Therefore, in addition to normalising blood glucose, the aim of the treatment for diabetes mellitus should be to prevent cardiovascular complications. However, the evidence available on the cardio-protective role of the different glucose-lowering drugs is scarce and poor, particularly as regards with the risk of major cardiovascular events. In this context, the regulatory agencies have modified the regulations for the approval of glucose-lowering drugs, now requiring to demonstrate the glucose-lowering effect together with a robust assessment of the cardiovascular safety. The aim of this work is to review the cardiovascular effects of the different glucose-lowering drugs, focusing on their impact on the risk of major cardiovascular events.
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Affiliation(s)
- L Masmiquel
- Servicio de Endocrinología, Hospital Son Llàtzer, Palma de Mallorca, España.
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50
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Moghissi E. Management of type 2 diabetes mellitus in older patients: current and emerging treatment options. Diabetes Ther 2013; 4:239-56. [PMID: 24096685 PMCID: PMC3889320 DOI: 10.1007/s13300-013-0039-6] [Citation(s) in RCA: 22] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 07/16/2013] [Indexed: 12/19/2022] Open
Abstract
Elderly patients with type 2 diabetes mellitus (T2DM) are a rapidly emerging population that presents unique clinical challenges. This diverse patient group can differ widely in terms of physical and mental status, which can increase their risk of complications including hypoglycemia, falls, and depression. These factors can negatively impact their glycemic control, safety, and quality of life. The risk of hypoglycemic events is elevated among elderly patients with diabetes. In many cases, these events are related to antidiabetic therapy and the pursuit of strict glycemic control. Fear of a hypoglycemic episode, on the part of the patient and/or healthcare provider, is another major barrier to achieving glycemic control. Hypoglycemic events, even in the absence of awareness of the event (asymptomatic), can have negative consequences. To help manage these risks, several national and international organizations have proposed guidelines to address individualized treatment goals for older adults with diabetes. This article reviews current treatment guidelines for setting glycemic targets in elderly patients with T2DM, and discusses the role of emerging treatment options in this patient population.
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Affiliation(s)
- Etie Moghissi
- UCLA David Geffen School of Medicine, University of California, 4644 Lincoln Blvd., Suite 409, Marina del Rey, Los Angeles, CA, 90292, USA,
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