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J Kropff, J DeJong, S Del Favero, J Place, M Messori, B Coestier, A Farret, F Boscari, S Galasso, A Avogaro, D Bruttomesso, C Cobelli, E Renard, L Magni, J H DeVries
AIM: To assess the impact on fear of hypoglycaemia and treatment satisfaction with an artificial pancreas system used for 2 consecutive months, as well as participant acceptance of the artificial pancreas system. METHODS: In a randomized crossover trial participant-related outcomes associated with an evening-and-night artificial pancreas and sensor-augmented pump therapy were compared. Both intervention periods lasted 8 weeks. The artificial pancreas acceptance questionnaire (range 0-90, higher scores better), Hypoglycaemia Fear Survey II (range 0-72, higher scores worse) and Diabetes Treatment Satisfaction Questionnaire (range 0-36, higher scores better) were completed by 32 participants...
October 1, 2016: Diabetic Medicine: a Journal of the British Diabetic Association
Andrea Di Nisio, Maria Santa Rocca, Gian Paolo Fadini, Luca De Toni, Giorgio Marcuzzo, Maria Cristina Marescotti, Marta Sanna, Mario Plebani, Roberto Vettor, Angelo Avogaro, Carlo Foresta
OBJECTIVE: Identification of the novel endocrine role of osteocalcin (OC) and its receptor GPRC6A has given rise to a new branch of research in OC/GPRC6A axis related to glucose metabolism. GPRC6A- and OC-deficient mice share features of the metabolic syndrome, in addition to male infertility. Recently, the polymorphism rs2274911 in GPRC6A was shown to be associated with testicular impairment. We aimed to investigate the role of rs2274911 polymorphism in glucose and lipid metabolism in a cohort of normal weight and obese subjects DESIGN, PATIENTS, SETTINGS: A total of 392 male and females, including 218 obese patients and 174 age-matched normal weight controls, were retrospectively selected...
October 1, 2016: Clinical Endocrinology
Fabiola Spolaor, Zimi Sawacha, Gabriella Guarneri, Silvia Del Din, Angelo Avogaro, Claudio Cobelli
Diabetic peripheral neuropathy (DPN) causes motor control alterations during daily life activities. Tripping during walking or stair climbing is the predominant cause of falls in the elderly subjects with DPN and without (NoDPN). Surface Electromyography (sEMG) has been shown to be a valid tool for detecting alterations of motor functions in subjects with DPN. This study aims at investigating the presence of functional alterations in diabetic subjects during stair climbing and at exploring the relationship between altered muscle activation and temporal parameter...
August 20, 2016: Journal of Electromyography and Kinesiology
S Galasso, A Facchinetti, B M Bonora, V Mariano, F Boscari, E Cipponeri, A Maran, A Avogaro, G P Fadini, D Bruttomesso
BACKGROUND AND AIMS: Degludec is an ultralong-acting insulin analogue with a flat and reproducible pharmacodynamic profile. As some patients with type 1 diabetes (T1D) fail to achieve 24-h coverage with glargine or detemir despite twice-daily injections, we studied the effect of switching T1D patients from twice-daily glargine or detemir to degludec. METHODS AND RESULTS: In this prospective observational study, T1D patients on twice-daily glargine or detemir were enrolled...
August 6, 2016: Nutrition, Metabolism, and Cardiovascular Diseases: NMCD
Angelo Avogaro, Gian Paolo Fadini, Giorgio Sesti, Enzo Bonora, Stefano Del Prato
Diabetic patients suffer from a high rate of cardiovascular events and such risk increases with HbA1c. However, lowering HbA1c does not appear to yield the same benefit on macrovascular endpoints, as observed for microvascular endpoints. As the number of glucose-lowering medications increases, clinicians have to consider several open questions in the management of type 2 diabetes, one of which is the cardiovascular risk profile of each regimen. Recent placebo-controlled cardiovascular outcome trials (CVOTs) have responded to some of these questions, but careful interpretation is needed...
2016: Cardiovascular Diabetology
Edoardo Mannucci, Ofri Mosenzon, Angelo Avogaro
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...
August 2016: Diabetes Care
Roberta Cappellari, Marianna D'Anna, Angelo Avogaro, Gian Paolo Fadini
BACKGROUND AND AIMS: Diabetes damages the endothelium and reduces the availability of bone marrow (BM)-derived endothelial progenitor cells (EPCs). The mobilization of hematopoietic stem cells (HSCs) and EPCs in response to G-CSF is impaired by diabetes, owing to CXCL12 dysregulation. We have previously shown that the CXCR4/CXCL12 disruptor plerixafor rescues HSC and EPC mobilization in diabetes. We herein explored the effects of plerixafor on HSCs, EPCs, and circulating endothelial cells (CECs) in patients with and without diabetes...
August 2016: Atherosclerosis
Simone Del Favero, Federico Boscari, Mirko Messori, Ivana Rabbone, Riccardo Bonfanti, Alberto Sabbion, Dario Iafusco, Riccardo Schiaffini, Roberto Visentin, Roberta Calore, Yenny Leal Moncada, Silvia Galasso, Alfonso Galderisi, Valeria Vallone, Federico Di Palma, Eleonora Losiouk, Giordano Lanzola, Davide Tinti, Andrea Rigamonti, Marco Marigliano, Angela Zanfardino, Novella Rapini, Angelo Avogaro, Daniel Chernavvsky, Lalo Magni, Claudio Cobelli, Daniela Bruttomesso
OBJECTIVE: The Pediatric Artificial Pancreas (PedArPan) project tested a children-specific version of the modular model predictive control (MMPC) algorithm in 5- to 9-year-old children during a camp. RESEARCH DESIGN AND METHODS: A total of 30 children, 5- to 9-years old, with type 1 diabetes completed an outpatient, open-label, randomized, crossover trial. Three days with an artificial pancreas (AP) were compared with three days of parent-managed sensor-augmented pump (SAP)...
July 2016: Diabetes Care
Eric Renard, Anne Farret, Jort Kropff, Daniela Bruttomesso, Mirko Messori, Jerome Place, Roberto Visentin, Roberta Calore, Chiara Toffanin, Federico Di Palma, Giordano Lanzola, Paolo Magni, Federico Boscari, Silvia Galasso, Angelo Avogaro, Patrick Keith-Hynes, Boris Kovatchev, Simone Del Favero, Claudio Cobelli, Lalo Magni, J Hans DeVries
OBJECTIVE: After testing of a wearable artificial pancreas (AP) during evening and night (E/N-AP) under free-living conditions in patients with type 1 diabetes (T1D), we investigated AP during day and night (D/N-AP) for 1 month. RESEARCH DESIGN AND METHODS: Twenty adult patients with T1D who completed a previous randomized crossover study comparing 2-month E/N-AP versus 2-month sensor augmented pump (SAP) volunteered for 1-month D/N-AP nonrandomized extension. AP was executed by a model predictive control algorithm run by a modified smartphone wirelessly connected to a continuous glucose monitor (CGM) and insulin pump...
July 2016: Diabetes Care
Stacey M Anderson, Dan Raghinaru, Jordan E Pinsker, Federico Boscari, Eric Renard, Bruce A Buckingham, Revital Nimri, Francis J Doyle, Sue A Brown, Patrick Keith-Hynes, Marc D Breton, Daniel Chernavvsky, Wendy C Bevier, Paige K Bradley, Daniela Bruttomesso, Simone Del Favero, Roberta Calore, Claudio Cobelli, Angelo Avogaro, Anne Farret, Jerome Place, Trang T Ly, Satya Shanmugham, Moshe Phillip, Eyal Dassau, Isuru S Dasanayake, Craig Kollman, John W Lum, Roy W Beck, Boris Kovatchev
OBJECTIVE: To evaluate the efficacy of a portable, wearable, wireless artificial pancreas system (the Diabetes Assistant [DiAs] running the Unified Safety System) on glucose control at home in overnight-only and 24/7 closed-loop control (CLC) modes in patients with type 1 diabetes. RESEARCH DESIGN AND METHODS: At six clinical centers in four countries, 30 participants 18-66 years old with type 1 diabetes (43% female, 96% non-Hispanic white, median type 1 diabetes duration 19 years, median A1C 7...
July 2016: Diabetes Care
Angelo Avogaro
The risk of morbidity and mortality from cardiovascular disease in patients with type 2 diabetes is about 2-fold higher compared to their non-diabetic counterparts. In December 2008, the Food and Drug Administration published guidelines for the evaluation of cardiovascular risk in new antidiabetic therapies. A shift of emphasis occurred from short-term glycated hemoglobin-centered trials to trials testing cardiovascular safety. The SAVOR-TIMI 53 and the EXAMINE trials with the dipeptidyl peptidase 4 (DPP-4) inhibitors saxagliptin and alogliptin were cardiovascular neutral...
April 2016: Giornale Italiano di Cardiologia
Mauro Rigato, Angelo Avogaro, Gian Paolo Fadini
RATIONALE: Circulating progenitor cells (CPCs), including endothelial progenitor cells (EPCs) are biologically related to many aspects of cardiovascular disease, as they promote angiogenesis and vascular repair. OBJECTIVE: We herein aimed to meta-analyze studies reporting the prognostic role of the CPC/EPC measure on cardiovascular outcomes and death. METHODS AND RESULTS: We screened the English-language literature for longitudinal studies reporting the association between baseline CPC/EPC levels, future cardiovascular events, and death...
June 10, 2016: Circulation Research
Angelo Avogaro
There is a clear epidemiologic association between glycemic control and cardiovascular disease. There is strong evidence of a microvascular benefit by lowering glycated hemoglobin <7% while acknowledging lack of proven macrovascular benefits. It is therefore relevant, in all diabetic patients, to control all major cardiovascular risk factors such as obesity, hypertension, and dyslipidemia. These risk factors, easily measurable, account for 90% of acute myocardial infarction. In this review, the update on prevention of cardiovascular disease in adults with type 2 diabetes mellitus from the American Heart Association and the American Diabetes Association is discussed and commented...
March 2016: Giornale Italiano di Cardiologia
Stefania Moz, Daniela Basso, Andrea Padoan, Dania Bozzato, Paola Fogar, Carlo-Federico Zambon, Michela Pelloso, Cosimo Sperti, Saula Vigili de Kreutzenberg, Claudio Pasquali, Sergio Pedrazzoli, Angelo Avogaro, Mario Plebani
BACKGROUND: Based on the knowledge that matrix metalloproteinases (MMPs) and S100A8/A9 synergistically work in causing PDAC-associated type 2 diabetes mellitus (T2DM), we verified whether tissue and blood MMP8, MMP9, S100A8 and S100A9 expression might help in distinguishing PDAC among diabetics. METHODS: Relative quantification of MMP8, MMP9, S100A8 and S100A9 mRNA was performed in tissues obtained from 8 PDAC, 4 chronic pancreatitis (ChrPa), 4 non-PDAC tumors and in PBMCs obtained from 30 controls, 43 T2DM, 41 ChrPa, 91 PDAC and 33 pancreatic-biliary tract tumors...
May 1, 2016: Clinica Chimica Acta; International Journal of Clinical Chemistry
M G Baroni, F Giorgino, V Pezzino, C Scaroni, A Avogaro
BACKGROUND: Hyperglycemia is a common feature associated with states of increased growth hormone secretion and glucocorticoid levels. AIMS: The purpose of these guidelines is to assist clinicians and other health care providers to take evidence-based therapeutic decisions for the treatment of hyperglycemia in patients with growth hormone and corticosteroid excess. METHODOLOGY: Both the SID and SIE appointed members to represent each society and to collaborate in Guidelines writing...
February 2016: Nutrition, Metabolism, and Cardiovascular Diseases: NMCD
Nicola Caretta, Saula Vigili de Kreutzenberg, Umberto Valente, Gabriella Guarneri, Alberto Ferlin, Angelo Avogaro, Carlo Foresta
Diabetes is an established risk factor for erectile dysfunction (ED). The pathophysiology of ED in diabetic men is multifactorial, but it mainly involves a vascular disorder related to a reduction of endothelial function. Recently, several studies have correlated ED risk factors with vitamin D deficiency. In this study, we evaluate the relationship between 25-hydroxyvitamin D [25(OH)D] levels, erectile dysfunction, and vascular disease, in type 2 diabetes mellitus men (T2DM). In this observational study, 92 T2DM males (58...
September 2016: Endocrine
Gian Paolo Fadini, Lisa Menegazzo, Mauro Rigato, Valentina Scattolini, Nicol Poncina, Andrea Bruttocao, Stefano Ciciliot, Fabio Mammano, Catalin Dacian Ciubotaru, Enrico Brocco, Maria Cristina Marescotti, Roberta Cappellari, Giorgio Arrigoni, Renato Millioni, Saula Vigili de Kreutzenberg, Mattia Albiero, Angelo Avogaro
Upon activation, neutrophils undergo histone citrullination by protein arginine deiminase (PAD)4, exocytosis of chromatin and enzymes as neutrophil extracellular traps (NETs), and death. In diabetes, neutrophils are primed to release NETs and die by NETosis. Although this process is a defense against infection, NETosis can damage tissue. Therefore, we examined the effect of NETosis on the healing of diabetic foot ulcers (DFUs). Using proteomics, we found that NET components were enriched in nonhealing human DFUs...
April 2016: Diabetes
Michela Masè, Alessandro Cristoforetti, Laura Avogaro, Francesco Tessarolo, Federico Piccoli, Iole Caola, Carlo Pederzolli, Angelo Graffigna, Flavia Ravelli
The assessment of collagen structure in cardiac pathology, such as atrial fibrillation (AF), is essential for a complete understanding of the disease. This paper introduces a novel methodology for the quantitative description of collagen network properties, based on the combination of nonlinear optical microscopy with a spectral approach of image processing and analysis. Second-harmonic generation (SHG) microscopy was applied to atrial tissue samples from cardiac surgery patients, providing label-free, selective visualization of the collagen structure...
2015: Conference Proceedings: Annual International Conference of the IEEE Engineering in Medicine and Biology Society
G P Fadini, L Menegazzo, V Scattolini, M Gintoli, M Albiero, A Avogaro
AIMS: To review the significance of a new type of neutrophil cell death (NETosis) in diabetes and cardiometabolic diseases. DATA SYNTHESIS: Diabetes and the metabolic syndrome are characterized by activation of the innate immune system. In this framework, neutrophils are front line defences against infections, but can also turn deleterious if abnormally stimulated. NETosis refers to a type of cell death whereby neutrophils release nuclear material and granule enzymes that together form the NETs (neutrophil extracellular traps)...
January 2016: Nutrition, Metabolism, and Cardiovascular Diseases: NMCD
M G Baroni, F Giorgino, V Pezzino, C Scaroni, A Avogaro
Hyperglycemia is a common feature associated with states of increased growth hormone secretion and glucocorticoid levels. The purpose of these guidelines is to assist clinicians and other health care providers to take evidence-based therapeutic decisions for the treatment of hyperglycemia in patients with growth hormone and corticosteroid excess. Both the SID and SIE appointed members to represent each society and to collaborate in Guidelines writing. Members were chosen for their specific knowledge in the field...
February 2016: Journal of Endocrinological Investigation
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