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metformin and weight loss

Po-Jui Peng, Pei-Shen Ho, Chia-Kuang Tsai, San-Yuan Huang, Chih-Sung Liang
OBJECTIVES: A number of research studies support the weight loss effects of metformin and topiramate for obese people with schizophrenia. However, only a few studies have addressed the sustainability of the body weight reduction after discontinuation of these drugs. Moreover, head-to-head studies are still lacking. The study aims to evaluate and compare the efficacy of metformin and topiramate in weight reduction and weight maintenance after discontinuation of these drugs in obese people with schizophrenia...
October 18, 2016: Clinical Neuropharmacology
A Kargulewicz, M Szulińska, M Kujawska-Łuczak, E Swora-Cwynar, K Musialik, M Grzymisławska, M Kręgielska-Narożna, P Bogdański
OBJECTIVE: We compared the effects of three weight loss interventions on serum concentrations of adiponectin and leptin in obese premenopausal women. PATIENTS AND METHODS: 114 obese Caucasian women were randomized into three groups receiving a low-calorie diet (LC; n = 39), an isocaloric diet with 500 mg of metformin twice a day (IM; n = 38), and an isocaloric diet with 120 mg of orlistat three times a day (IO; n = 37), for three months. Serum concentrations of adiponectin and leptin were evaluated, along with anthropometric and body composition parameters, at baseline and after the study...
September 2016: European Review for Medical and Pharmacological Sciences
Hao Liu, Yun Hu, Feng-Fei Li, Bing-Li Liu, Xiao-Fei Su, Jian-Hua Ma
BACKGROUND: Dipeptidyl peptidase-4 (DPP-4) inhibitors are widely used as second-option medications when metformin fails. Variance of the glycated hemoglobin (HbA1c) response to DPP-4 inhibitions in patients with type 2 diabetes mellitus (T2DM) has been observed, but the characteristics which predict the response to DPP-4 inhibitor therapy are unclear. The aim of this study was to investigate the characteristics of α- and β-cell functions which might predict the efficacy of saxagliptin and facilitate personalization of treatment...
October 12, 2016: Diabetes Therapy: Research, Treatment and Education of Diabetes and related Disorders
Na Wang, Jin-Ping Zhang, Xiao-Yan Xing, Zhao-Jun Yang, Bo Zhang, Xin Wang, Wen-Ying Yang
BACKGROUND: This post-hoc analysis investigated whether changes in endogenous glucagon-like peptide-1 (GLP-1) levels were associated with weight loss in newly diagnosed diabetes patients. METHODS: Seven hundred eighty-four subjects from the MARCH (Metformin and AcaRbose in Chinese as initial Hypoglycemic treatment) study were stratified by changes in GLP-1 levels (∆GLP-1). Changes in clinical and physiological parameters were evaluated across ∆GLP-1 subgroups to assess correlations between ∆GLP-1 and weight loss in acarbose vs...
September 22, 2016: Journal of Diabetes
Ulrich Rohde, Cecilie A Federspiel, Peter Vilmann, Ebbe Langholz, Steffen U Friis, Martin Krakauer, Jens F Rehfeld, Jens J Holst, Tina Vilsbøll, Filip K Knop
AIMS: The duodenal-jejunal bypass sleeve ((DJBS) or EndoBarrier Gastrointestinal Liner) induces weight loss in obese subjects and may improve glucose homeostasis in patients with type 2 diabetes (T2D). To explore the underlying mechanisms, we evaluated postprandial physiology including glucose metabolism, gut hormone secretion, gallbladder emptying, appetite and food intake in patients undergoing DJBS treatment. MATERIAL AND METHODS: Ten normal glucose tolerant (NGT) obese subjects and nine age, body weight and body mass index-matched metformin-treated T2D patients underwent a liquid mixed meal test and a subsequent ad libitum meal test before implantation with DJBS and one (1w) and 26 weeks (26w) after implantation...
October 3, 2016: Diabetes, Obesity & Metabolism
Hitesh Soni
Diabesity is a new term for obesity-dependent diabetes, which is also associated with cardiovascular and other comorbidities with rising epidemic. Traditional treatments (sulfonylureas and thiazolidinediones) of diabetes are associated with weight gain, except metformin. Newer agents such as glucagon-like peptide-1 receptor agonists (GLP-1 RAs) and Sodium glucose co-transporter 2 inhibitors (SGLT2i) are causing a modest weight reduction, whereas dipeptidyl peptidase-4 inhibitors (DPP-4i) are weight neutral...
October 2016: Medical Hypotheses
Juan P Frías, Cristian Guja, Elise Hardy, Azazuddin Ahmed, Fang Dong, Peter Öhman, Serge A Jabbour
BACKGROUND: Glucagon-like peptide-1 (GLP-1) receptor agonists and sodium-glucose co-transporter-2 (SGLT2) inhibitors reduce glycaemia and weight, and improve cardiovascular risk factors via different mechanisms. We aimed to compare the efficacy and safety of co-initiation of the GLP-1 receptor agonist exenatide and the SGLT2 inhibitor dapagliflozin with exenatide or dapagliflozin alone in patients with type 2 diabetes inadequately controlled by metformin. METHODS: DURATION-8 was a 28 week, multicentre, double-blind, randomised, active-controlled phase 3 trial done at 109 sites in six countries...
September 15, 2016: Lancet Diabetes & Endocrinology
Thozhukat Sathyapalan, Zeeshan Javed, Eric S Kilpatrick, Anne-Marie Coady, Stephen L Atkin
CONTEXT: Animal studies suggest that cannabinoid receptor-1 (CB-1) blockade reduces inflammation and neovascularization by decreasing vascular endothelial growth factor (VEGF) levels associated with a reduction in inflammatory markers, thereby potentially reducing cardiovascular risk. OBJECTIVE: To determine the impact of CB1 antagonism by rimonabant on VEGF and inflammatory markers in obese PCOS women. DESIGN: Randomized, open-labelled parallel study...
September 21, 2016: Clinical Endocrinology
Rimke C Vos, Mariëlle Jp van Avendonk, Hanneke Jansen, Alexander N Goudswaard, Maureen van den Donk, Kees Gorter, Anneloes Kerssen, Guy Ehm Rutten
BACKGROUND: It is unclear whether people with type 2 diabetes mellitus on insulin monotherapy who do not achieve adequate glycaemic control should continue insulin as monotherapy or can benefit from adding oral glucose-lowering agents to the insulin therapy. OBJECTIVES: To assess the effects of insulin monotherapy compared with the addition of oral glucose-lowering agents to insulin monotherapy for people with type 2 diabetes already on insulin therapy and inadequate glycaemic control...
September 18, 2016: Cochrane Database of Systematic Reviews
Jordi Camps, Anna Hernández-Aguilera, Anabel García-Heredia, Noemí Cabré, Fedra Luciano-Mateo, Meritxell Arenas, Jorge Joven
Metformin is a biguanide used in the treatment of type 2 diabetes mellitus and obesity. The main mechanism of action is to decrease the intestinal glucose absorption and the hepatic glucose production. It does not influence insulin secretion. Metformin also increases the affinity of the insulin receptor, reduces high insulin levels and improves insulin resistance. Additionally, it promotes weight loss. Metformin is a pleiotropic compound but acts, largely, by activating 5' adenosine monophosphate (AMP)-activated protein kinase (AMPK)...
September 15, 2016: Current Clinical Pharmacology
Xingrong Tan, Shengbing Li, Ying Chang, Chao Fang, Hua Liu, Xingping Zhang, Yi Wang
PURPOSE: Some previous studies have found that continued metformin use is beneficial in the management of polycystic ovary syndrome (PCOS) in pregnant women. A systemic review and meta-analysis were needed to more fully assess the effects of metformin on pregnant PCOS patients. METHODS: The literature was fully searched using MEDLINE, EMBASE, SCOPUS, and COCHRANE for continued metformin use during pregnancy in women with PCOS. A systematic review and meta-analysis were performed to evaluate the comprehensive effects of continued metformin treatment on pregnancy-related outcomes in these women...
2016: Clinical and Investigative Medicine. Médecine Clinique et Experimentale
Abeer Anabtawi, John M Miles
OBJECTIVE: Metformin is the most commonly prescribed drug for the treatment of type 2 diabetes because of its apparent robust effects in reducing cardiovascular risk. This review examines the current literature regarding the nonglycemic effects and potential novel indications for metformin. METHODS: Review of the literature, with a focus on metformin use in Stage 3 chronic kidney disease (CKD-3) and heart failure (HF). RESULTS: The United Kingdom Prospective Diabetes Study suggests that metformin reduces the risk of myocardial infarction, and more recent retrospective studies have shown an association between metformin use and a reduction in stroke, atrial fibrillation and all-cause mortality...
August 2016: Endocrine Practice
Huang-TzOu, Pei-Chi Chen, Meng-Hsing Wu, Chung-Ying Lin
BACKGROUND: Few studies have assessed whether the amelioration of the clinical signs of polycystic ovary syndrome (PCOS) achieved by treatment leads to improvement in the health-related quality of life (HRQoL) of patients. This study was aimed to examine the HRQoL of ethnic Chinese women with PCOS who received metformin treatment. METHODS: This prospective study was conducted at a medical center in Taiwan. Study participants aged 18-45 years were diagnosed as having PCOS according to the Rotterdam criteria, and all received metformin treatment...
2016: Health and Quality of Life Outcomes
Mansa Krishnamurthy, Mia M Pingul
Insulin receptor mutations cause extreme insulin resistance resulting in acanthosis nigricans and hyperandrogenism. We report a pre-menarchal adolescent female with normal weight, with severe acanthosis nigricans, acne, and hirsutism. Initial investigation revealed elevated fasting and post-prandial insulin and high testosterone and androstenedione levels. Her father had frequent complaints of hypoglycemia. Coding sequence and splice junction analysis of the INSR gene, in our patient and her father, revealed a heterozygous missense mutation in the β subunit of the insulin receptor (Arg1131Trp), resulting in receptor loss of function...
October 1, 2016: Journal of Pediatric Endocrinology & Metabolism: JPEM
Charmi A Patel, Robert A Bailey, Ujjwala Vijapurkar, Gary Meininger, Lawrence Blonde
BACKGROUND: The randomized, double-blind CANTATA-SU (CANagliflozin Treatment And Trial Analysis Sulfonyl Urea) clinical trial compared the use of canagliflozin (100 mg or 300 mg) and maximally tolerated glimepiride (6-8 mg) over 104 weeks as add-on therapy for patients with type 2 diabetes mellitus (T2DM) inadequately controlled with metformin. Compared with glimepiride, canagliflozin use was associated with durable reductions in glycated hemoglobin (A1C), blood pressure (BP), and body weight...
2016: BMC Health Services Research
Suthakar Sabapathy, Cheryl Neslusan, Kim Yoong, Anna Teschemaker, Pierre Johansen, Michael Willis
BackgroundCanagliflozin, an agent that inhibits sodium glucose co-transporter 2, is approved as add-on to metformin plus sulfonylurea for the treatment of type 2 diabetes in Canada. Canagliflozin offers greater glycemic control, as well as important additional benefits such as weight loss and blood pressure reductions, versus dipeptidyl peptidase-4 inhibitors such as sitagliptin.  ObjectiveThis analysis evaluated the cost-effectiveness of canagliflozin 300 mg and canagliflozin 100 mg versus sitagliptin 100 mg in patients with type 2 diabetes inadequately controlled on metformin plus sulfonylurea from the perspective of the Canadian Agency for Drugs and Technologies in Health...
2016: Journal of Population Therapeutics and Clinical Pharmacology
I A Lapik, K M Gapparova, Kh Kh Sharafetdinov, E Yu Sorokina, T B Sentsova, O A Plotnikova, Yu G Chekhonina
The aim of the study was to develop and evaluate the effectiveness of personalized therapy forpatients with diabetes mellitus type 2 (DM) and obesity based on the study of rs5219 polymorphism of KCNJ11gene. The study involved 120 women with DM and obesity I-II degree. Genotyping was performed in patients using allele-specific amplification with the detection in real time. Depending on the genotype of KCNJ11 gene patients with DM and obesity received different treatment and were divided into 2 groups (40 patients in each): group A (C/T genotype) received standard low-calorie diet + metformin 2000 mg/day and group B (T/T genotype) received a personalized diet + vitamin-mineral complex (VMC) + metformin 2000 mg/day...
2016: Voprosy Pitaniia
Denice S Feig, Kellie Murphy, Elizabeth Asztalos, George Tomlinson, Johanna Sanchez, Bernard Zinman, Arne Ohlsson, Edmond A Ryan, I George Fantus, Anthony B Armson, Lorraine L Lipscombe, Jon F R Barrett
BACKGROUND: The incidence of type 2 diabetes in pregnancy is rising and rates of serious adverse maternal and fetal outcomes remain high. Metformin is a biguanide that is used as first-line treatment for non-pregnant patients with type 2 diabetes. We hypothesize that metformin use in pregnancy, as an adjunct to insulin, will decrease adverse outcomes by reducing maternal hyperglycemia, maternal insulin doses, maternal weight gain and gestational hypertension/pre-eclampsia. In addition, since metformin crosses the placenta, metformin treatment of the fetus may have a direct beneficial effect on neonatal outcomes...
2016: BMC Pregnancy and Childbirth
Basak Ozgen Saydam, Bulent O Yildiz
Polycystic ovary syndrome (PCOS) is a common and complex endocrine disorder, often accompanied and complicated by insulin resistance, glucose intolerance and obesity. Gut, brain and metabolism are highly related with each other in obesity and diabetes as well as in PCOS. Central nervous system regulates food intake through complex interactions of homeostatic and hedonic systems while gastrointestinal system contributes to food intake and metabolism via orexigenic and anorexigenic gastrointestinal hormones. Ghrelin is the only circulating orexigenic hormone whereas anorexigenic peptides include glucagon like peptide-1 (GLP-1), gastric inhibitory peptide (GIP), peptide YY (PYY) and cholecystokinin (CCK)...
July 15, 2016: Current Pharmaceutical Design
Tracy Williams, Rami Mortada, Samuel Porter
Polycystic ovary syndrome is the most common endocrinopathy among reproductive-aged women in the United States, affecting approximately 7% of female patients. Although the pathophysiology of the syndrome is complex and there is no single defect from which it is known to result, it is hypothesized that insulin resistance is a key factor. Metabolic syndrome is twice as common in patients with polycystic ovary syndrome compared with the general population, and patients with polycystic ovary syndrome are four times more likely than the general population to develop type 2 diabetes mellitus...
July 15, 2016: American Family Physician
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