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Dpp-4 inhibitors

Keiichi Torimoto, Yosuke Okada, Yoshiya Tanaka
Vascular endothelial function is important for maintaining the homeostasis of the living body. Especially, nitric oxide (NO) produced in vascular endothelial cells regulates blood vessel tone and has an antiatherosclerotic effect. Type 2 diabetes is a typical disease that causes impaired vascular endothelial function, resulting in various vascular complications and damage to organs. Cardiovascular disease associated with type 2 diabetes is a chronic inflammatory disease that starts with endothelial dysfunction (ED), and vascular ED is important as an initial change in arteriosclerotic lesions...
2018: Journal of UOEH
Gian Paolo Fadini, Mayur Sarangdhar, Angelo Avogaro
INTRODUCTION: In the SAVOR-TIMI trial, the risk of heart failure (HF) was increased by 27% in T2D patients randomized to the dipeptidyl peptidase-4 inhibitor (DPP4i) saxagliptin. Other studies have provided inconsistent results regarding this association. Herein, we performed a pharmacovigilance analysis of the rate of HF associated with DPP4is, focusing on stimulated reporting and moderation by drug-drug interactions. METHODS: We mined the FDA adverse event (AE) reporting system (FAERS) from 2004q1 to 2017q3, including a total of 9906,642 AE reports...
March 16, 2018: Diabetes Therapy: Research, Treatment and Education of Diabetes and related Disorders
Kazuaki Negishi
We are now entering the very exciting era of treatment and management of diabetes mellitus (DM) with the emergence of new therapeutic agents, including sodium-glucose cotransporter 2 inhibitors (SGLT2i) and dipeptidyl peptidase-4 inhibitor (DPP-4i). From a cardiology and echocardiography perspective, the existence of diabetic cardiomyopathy has been proven through over four decades of discussion. DM is highly prevalent in patients with heart failure (HF). Independent associations are found after adjusting for hypertension (HTN) and coronary artery disease (CAD)...
February 2018: Cardiovascular Diagnosis and Therapy
Julio Rosenstock, Vlado Perkovic, John H Alexander, Mark E Cooper, Nikolaus Marx, Michael J Pencina, Robert D Toto, Christoph Wanner, Bernard Zinman, David Baanstra, Egon Pfarr, Michaela Mattheus, Uli C Broedl, Hans-Juergen Woerle, Jyothis T George, Maximilian von Eynatten, Darren K McGuire
BACKGROUND: Cardiovascular (CV) outcome trials in type 2 diabetes (T2D) have underrepresented patients with chronic kidney disease (CKD), leading to uncertainty regarding their kidney efficacy and safety. The CARMELINA® trial aims to evaluate the effects of linagliptin, a DPP-4 inhibitor, on both CV and kidney outcomes in a study population enriched for cardio-renal risk. METHODS: CARMELINA® is a randomized, double-blind, placebo-controlled clinical trial conducted in 27 countries in T2D patients at high risk of CV and/or kidney events...
March 14, 2018: Cardiovascular Diabetology
Olga Montvida, Jonathan Shaw, Lawrence Blonde, Sanjoy K Paul
AIMS: To inform patients and their carers about the probability of reducing HbA1c to clinically desirable levels and sustainability of such control over 2 years with major second-line anti-diabetic therapies under individual risk scenario, with and without third-line intensification. MATERIALS AND METHODS: From US Centricity Electronic Medical Records, 163,081 patients with type 2 diabetes aged 18-80 years, who initiated metformin; intensified with DPP-4 inhibitor (DPP-4i), GLP-1 receptor agonist (GLP-1RA), sulfonylurea, insulin, or thiazolidinedione; and continued second-line ≥ 6 month, were selected...
March 14, 2018: Diabetes, Obesity & Metabolism
Milton Packer
Although dipeptidyl peptidase (DPP)-4 inhibitors have been reported to have a neutral effect on thromboembolic vaso-occlusive events in large-scale trials, they act to potentiate several endogenous peptides that can exert deleterious cardiovascular effects. Experimentally, DPP-4 inhibitors may augment the ability of glucagon-like peptide-1 to stimulate cyclic adenosine monophosphate in cardiomyocytes, and potentiation of the effects of stromal cell-derived factor-1 by DPP-4 inhibitors may aggravate cardiac fibrosis...
March 1, 2018: JACC. Heart Failure
A H Heald, A A Fryer, S G Anderson, M Livingston, M Lunt, M Davies, Gyc Moreno, R Gadsby, R J Young, M Stedman
AIMS: Despite increasing spend on new Type 2 diabetes mellitus (T2DM) therapies, the proportion of people with T2DM achieving target glycaemia outcomes is declining. Our aim was to determine, using published General Practice level data, how differences in T2DM prescribing patterns relate to glycaemic target achievement levels. METHODS: Multiple linear regression modelling was used to link practice characteristics and defined daily dose (DDD) of class of medication in 2015/16 and changes to 2014/15 in medication to proportions achieving target glycaemic control (TGC; glycated haemoglobin A1c (HbA1c) ≤7...
March 8, 2018: Diabetes, Obesity & Metabolism
Gian Paolo Fadini, Giancarlo Zatti, Ileana Baldi, Daniele Bottigliengo, Agostino Consoli, Andrea Giaccari, Giorgio Sesti, Angelo Avogaro
In randomized controlled trials (RCTs), SGLT-2 inhibitors (SGLT2i) showed glycaemic and extra-glycaemic benefits. The DARWIN-T2D (DApagliflozin Real World evIdeNce in Type 2 Diabetes) was a multicenter retrospective study designed to evaluate baseline characteristics of patients receiving dapagliflozin versus selected comparators (DPP-4 inhibitors, gliclazide, or GLP-1 receptor agonists), and drug effectiveness in routine clinical practice. From a population of 281,217 patients, the analysis included 17,285 initiating dapagliflozin or comparator glucose lowering medications (GLM), 6751 of whom had a follow-up examination...
March 8, 2018: Diabetes, Obesity & Metabolism
Ganesh V Sangle, Mohan Patil, Nitin J Deshmukh, Sushant A Shengule, Shantibhushan Kamble, Kiran Kumar Vuppalavanchu, Sushil Kale, Mirza Layeeq Ahmed Baig, Geetchandra Singh, Javed Shaikh, Jitendra Tripathi, P Aravindababu
PURPOSE: Sitagliptin, a dipeptidyl peptidase (DPP)-IV inhibitor approved for the treatment of type 2 diabetes, is reported to be more efficacious in Indian patients than non-Indian patient population. The objective of the study was to evaluate pharmacokinetic and pharmacodynamic (PK/PD) parameters of single-dose sitagliptin 100 mg (Januvia) in healthy Indian male participants. METHOD: In a randomised, single-dose, open-label, three-treatment, three-period, three-sequence, crossover bioavailability study, 18 healthy male participants received single-dose of sitagliptin under fasted and fed conditions...
March 6, 2018: European Journal of Clinical Pharmacology
Qixian Wang, Min Long, Hua Qu, Rufei Shen, Rui Zhang, Jing Xu, Xin Xiong, Hui Wang, Hongting Zheng
Objective: Several clinical studies have reported the application of dipeptidyl peptidase-4 (DPP-4) inhibitors as treatments for type 1 diabetes mellitus (T1DM). This study aims to review the outcomes of these existing studies and to discuss the therapeutic effects of DPP-4 inhibitors on T1DM. Methods: We thoroughly searched the Medline, Embase, PubMed, and Cochrane Library databases and for studies concerning the use of DPP-4 inhibitors in patients with T1DM...
2018: Journal of Diabetes Research
Valeria De Nigris, Francesco Prattichizzo, Elettra Mancuso, Rosangela Spiga, Gemma Pujadas, Antonio Ceriello
High-glucose-induced oxidative stress contributes to cardiovascular endothelial damage in diabetes. Glucagon-like peptide 1 (GLP-1) is beneficial to endothelial cells, but its effects are diminished when cells are continuously exposed to high glucose. Teneligliptin is a dipeptidyl peptidase-4 (DPP-4) inhibitor that prevents oxidative stress, apoptosis and the metabolic memory effect. We explored the potential additive effects of Teneligliptin and GLP-1 in hyperglycemia-damaged endothelial cells. Human umbilical vein endothelial cells (HUVECs) were exposed to normal-glucose (5 mmol/L) or high-glucose (HG, 25 mmol/L) for 21 days, or to HG for 14 days followed by normal-glucose for 7 days (HM)...
February 6, 2018: Oncotarget
Taedong Han, Byoung Moon Lee, Yoo Hoi Park, Dong Hoon Lee, Hyun Ho Choi, Taehoon Lee, Hakwon Kim
G protein-coupled receptor 119 (GPR119) is expressed in the pancreas and gastrointestinal tract, and its activation promotes insulin secretion in the beta cells of the pancreatic islets as well as the secretion of glucagon-like peptide-1 (GLP-1) in intestinal L cells, consequently improving glucose-stimulated insulin secretion. Due to this dual mechanism of action, the development of small-molecule GPR119 agonists has received significant interest for the treatment of type 2 diabetes. We newly synthesized 1,2,4-triazolone derivatives of GPR119 agonists, which demonstrated excellent outcomes in a cyclic adenosine monophosphate (cAMP) assay...
March 1, 2018: Biomolecules & Therapeutics
Keizo Kanasaki
Emerging evidence suggests that dipeptidyl peptidase-4 (DPP-4) inhibitors used to treat type 2 diabetes may have nephroprotective effects beyond the reduced renal risk conferred by glycemic control. DPP-4 is a ubiquitous protein with exopeptidase activity that exists in cell membrane-bound and soluble forms. The kidneys contain the highest levels of DPP-4, which is increased in diabetic nephropathy. DPP-4 inhibitors are a chemically heterogeneous class of drugs with important pharmacological differences. Of the globally marketed DPP-4 inhibitors, linagliptin is of particular interest for diabetic nephropathy as it is the only compound that is not predominantly excreted in the urine...
February 28, 2018: Clinical Science (1979-)
John Lally, Aonghus O' Loughlin, Brendon Stubbs, Allys Guerandel, Donal O'Shea, Fiona Gaughran
The increased prevalence of Type 2 diabetes mellitus (T2DM) in severe mental illness (SMI) contributes to increased cardiovascular morbidity and reduced life expectancy for people with SMI. Areas covered: In the present clinical review, we summarize the efficacy, safety and tolerability of selected diabetic pharmacotherapy options in SMI and discuss the quality and strength of evidence. Expert commentary: General principles for treating T2DM in SMI involve identifying treatments which promote weight loss and which have low or no risk of hypoglycemia...
February 26, 2018: Expert Review of Clinical Pharmacology
B M Mishriky, R J Tanenberg, K A Sewell, D M Cummings
AIMS: Our aim was to compare Sodium-glucose co-transporter 2 inhibitors (SGLT-2i) to Dipeptidyl peptidase-4 inhibitors (DPP-4i) as add-on therapy to metformin. METHODS: We searched for randomized trials comparing SGLT-2i to DPP-4i as add-on therapy to metformin in Type 2 diabetes.We pooled trials reporting outcomes between 12 and 26 weeks together while trials reporting results ≥52 weeks were pooled together. The primary outcomes were the change in haemoglobin A1c (A1c) at ≤26 and ≥52 weeks...
February 7, 2018: Diabetes & Metabolism
Simone Queiroz Pantaleão, Eric Allison Philot, Pedro Túlio de Resende-Lara, Angélica Nakagawa Lima, David Perahia, Maria Atanassova Miteva, Ana Ligia Scott, Kathia Maria Honorio
Dipeptidyl peptidase-4 (DPP-4) is a target to treat type II diabetes mellitus. Therefore, it is important to understand the structural aspects of this enzyme and its interaction with drug candidates. This study involved molecular dynamics simulations, normal mode analysis, binding site detection and analysis of molecular interactions to understand the protein dynamics. We identified some DPP-4 functional motions contributing to the exposure of the binding sites and twist movements revealing how the two enzyme chains are interconnected in their bioactive form, which are defined as chains A (residues 40-767) and B (residues 40-767)...
February 23, 2018: Molecules: a Journal of Synthetic Chemistry and Natural Product Chemistry
Grazyna Lietzau, William Davidsson, Claes-Göran Östenson, Fausto Chiazza, David Nathanson, Hiranya Pintana, Josefin Skogsberg, Thomas Klein, Thomas Nyström, Vladimer Darsalia, Cesare Patrone
Recent data suggest that olfactory deficits could represent an early marker and a pathogenic mechanism at the basis of cognitive decline in type 2 diabetes (T2D). However, research is needed to further characterize olfactory deficits in diabetes, their relation to cognitive decline and underlying mechanisms.The aim of this study was to determine whether T2D impairs odour detection, olfactory memory as well as neuroplasticity in two major brain areas responsible for olfaction and odour coding: the main olfactory bulb (MOB) and the piriform cortex (PC), respectively...
February 23, 2018: Acta Neuropathologica Communications
André Jacques Scheen
Dipeptidyl peptidase-4 inhibitors (DPP-4is) are generally considered as glucose-lowering agents with a safe profile in type 2 diabetes. Areas covered: An updated review of recent safety data from randomised controlled trials, observational studies, meta-analyses, pharmacovigilance reports regarding alogliptin, linagliptin, saxagliptin, sitagliptin, and vildagliptin, with a special focus on risks of hypoglycemia, pancreatitis and pancreatic cancer, major cardiovascular events, hospitalisation for heart failure and other new safety issues, such as bone fractures and arthralgia...
April 2018: Expert Opinion on Drug Safety
Andreas Liebl, Viswanathan Mohan, Wenying Yang, Krzysztof Strojek, Sultan Linjawi
Since clinical experience with biphasic insulin aspart 30 (BIAsp 30) in type 2 diabetes mellitus (T2DM) was reviewed in 2012 after 10 years of use worldwide, additional studies have been published that highlight new aspects, including use in real-world populations. Evidence from 35 new studies confirms and builds upon previous work indicating that BIAsp 30 continues to have pharmacodynamic and clinical advantages over biphasic human insulin (BHI 30), including in real-world practice with unselected populations of patients...
February 21, 2018: Drugs in R&D
Vladimer Darsalia, Martin Larsson, Thomas Klein, Cesare Patrone
No abstract text is available yet for this article.
February 21, 2018: Cardiovascular Diabetology
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