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Drug dosing in obesity

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https://www.readbyqxmd.com/read/28803880/vitamin-d-and-symptoms-of-depression-in-overweight-or-obese-adults-a-cross-sectional-study-and-randomized-placebo-controlled-trial
#1
Aya Mousa, Negar Naderpoor, Maximilian P J de Courten, Barbora de Courten
Recent evidence suggests that vitamin D deficiency may contribute to increased risk of depression. However, previous studies are limited by variability in participant characteristics including vitamin D deficiency status and presence of existing diseases, use of low doses of vitamin D supplementation for short durations, and use of co-interventions or psychotropic drugs. We examined whether 25-hydroxyvitamin D (25(OH)D) concentrations were associated with symptoms of depression, as well as whether vitamin D supplementation reduced symptoms of depression in overweight or obese and vitamin D-deficient, but otherwise healthy adults...
August 10, 2017: Journal of Steroid Biochemistry and Molecular Biology
https://www.readbyqxmd.com/read/28794822/overview-of-glucagon-like-peptide-1-receptor-agonists-for-the-treatment-of-patients-with-type-2-diabetes
#2
Kelvin Lingjet Tran, Young In Park, Shalin Pandya, Navin John Muliyil, Brandon David Jensen, Kovin Huynh, Quang T Nguyen
BACKGROUND: It is estimated that 29.1 million people or 9.3% of the US population have diabetes, which contributes to considerable medical and financial burden. Type 2 diabetes mellitus is characterized by insulin resistance and insulin secretion impairment leading to hyperglycemia. The presence of insulin resistance is strongly correlated with obesity. OBJECTIVE: This article reviews the available glucagon-like peptide-1 (GLP-1) receptor agonists and their role in the management of patients with diabetes, to help guide the selection of the most suitable agent for the individualized treatment of patients with type 2 diabetes...
June 2017: American Health & Drug Benefits
https://www.readbyqxmd.com/read/28770324/impact-of-metformin-on-cardiovascular-disease-a-meta-analysis-of-randomised-trials-among-people-with-type-2-diabetes
#3
REVIEW
Simon J Griffin, James K Leaver, Greg J Irving
AIMS/HYPOTHESIS: Metformin is the most-prescribed oral medication to lower blood glucose worldwide. Yet previous systematic reviews have raised doubts about its effectiveness in reducing risk of cardiovascular disease, the most costly complication of type 2 diabetes. We aimed to systematically identify and pool randomised trials reporting cardiovascular outcomes in which the effect of metformin was 'isolated' through comparison to diet, lifestyle or placebo. METHODS: We performed an electronic literature search of MEDLINE, EMBASE and the Cochrane Library...
August 2, 2017: Diabetologia
https://www.readbyqxmd.com/read/28765731/combining-potent-statin-therapy-with-other-drugs-to-optimize-simultaneous-cardiovascular-and-metabolic-benefits-while-minimizing-adverse-events
#4
REVIEW
Kwang Kon Koh, Ichiro Sakuma, Kazunori Shimada, Toshio Hayashi, Michael J Quon
Hypercholesterolemia and hypertension are among the most important risk factors for cardiovascular (CV) disease. They are also important contributors to metabolic diseases including diabetes that further increase CV risk. Updated guidelines emphasize targeted reduction of overall CV risks but do not explicitly incorporate potential adverse metabolic outcomes that also influence CV health. Hypercholesterolemia and hypertension have synergistic deleterious effects on interrelated insulin resistance and endothelial dysfunction...
July 2017: Korean Circulation Journal
https://www.readbyqxmd.com/read/28747725/echinomycin-inhibits-adipogenesis-in-3t3-l1-cells-in-a-hif-independent-manner
#5
Junna Yamaguchi, Tetsuhiro Tanaka, Hisako Saito, Seitaro Nomura, Hiroyuki Aburatani, Hironori Waki, Takashi Kadowaki, Masaomi Nangaku
Obesity is a risk factor for many diseases including diabetes, cancer, cardiovascular disease, and chronic kidney disease. Obesity is characterized by the expansion of white adipose tissue (WAT). Hypertrophy and hyperplasia of adipocytes cause tissue hypoxia followed by inflammation and fibrosis. Its trigger, preadipocyte differentiation into mature adipocytes, is finely regulated by transcription factors, signal molecules, and cofactors. We found that echinomycin, a potent HIF-1 inhibitor, completely inhibited adipogenesis in 3T3-L1 WAT preadipocytes by affecting the early phase of mitotic clonal expansion...
July 26, 2017: Scientific Reports
https://www.readbyqxmd.com/read/28745498/curcumin-and-salsalate-suppresses-colonic-inflammation-and-procarcinogenic-signaling-in-high-fat-fed-azoxymethane-treated-mice
#6
Xian Wu, Anna C Pfalzer, Gar Yee Koh, Sanyuan Tang, Jimmy W Crott, Michael J Thomas, Mohsen Meydani, Joel B Mason
High-fat diets (HFDs) and excess adiposity increase proinflammatory cytokines in the colon, altering gene expression in a manner that promotes the development of colorectal cancer (CRC). Thus, compounds that reduce this biochemical inflammation are potential chemopreventive agents. Curcumin (CUR), a dietary polyphenol, and salsalate (SAL), a non-steroidal anti-inflammatory drug, are both anti-inflammatories. We investigated the inhibitory effects of CUR with or without SAL on inflammatory cytokines and procarcinogenic signaling in azoxymethane (AOM)-treated A/J mice...
August 11, 2017: Journal of Agricultural and Food Chemistry
https://www.readbyqxmd.com/read/28741970/efficacy-and-safety-of-once-weekly-semaglutide-for-the-treatment-of-type-2-diabetes
#7
Xueying Tan, Xiaojing Cao, Minzhi Zhou, Ping Zou, Jingbo Hu
Type 2 diabetes is a chronic metabolic disease characterized by persistent hyperglycemia resulting from progressive deficient of insulin in patients with a background of insulin resistance. Current treatment algorithms recommended by American Diabetes Association/The European Association for the Study of Diabetes promote a patient-centered approach that takes into account a comprehensive consideration of pharmacological properties of drugs, including glucose-lowering action, effects on body weight, correction on multiple pathophysiologic defects, tolerability, and long-term safety...
July 25, 2017: Expert Opinion on Investigational Drugs
https://www.readbyqxmd.com/read/28726640/c1q-tnf-related-protein-6-ctrp6-links-obesity-to-adipose-tissue-inflammation-and-insulin-resistance
#8
Xia Lei, Marcus M Seldin, Hannah C Little, Nicholas Choy, Thomas Klonisch, G William Wong
Obesity is associated with chronic low-grade inflammation, and metabolic regulators linking obesity to inflammation have therefore received much attention. Secreted C1q/TNF-related proteins (CTRPs) are one such group of regulators that regulate glucose and fat metabolism in peripheral tissues and modulate inflammation in adipose tissue. We have previously shown that expression of CTRP6 is up-regulated in leptin-deficient mice and, conversely, down-regulated by the anti-diabetic drug, rosiglitazone. Here, we provide evidence for a novel role of CTRP6 in modulating both inflammation and insulin sensitivity...
July 18, 2017: Journal of Biological Chemistry
https://www.readbyqxmd.com/read/28718949/high-dosage-of-vitamin-d-regulates-the-energy-metabolism-and-increases-insulin-sensitivity-but-are-associated-with-high-levels-of-kidney-damage
#9
Rafael Calais Gaspar, José Diego Botezelli, Gabriel Keine Kuga, Vitor Rosetto Muñoz, Andressa Coope, Rodrigo Martins Pereira, Adelino Sanchez Ramos da Silva, Dennys Esper Cintra, Leandro Pereira de Moura, Eduardo Rochete Ropelle, José Rodrigo Pauli
Preclinical Research Metabolic disorders are responsible for more than 60% of all deaths worldwide. Calcitriol or vitamin D (vitD) deficiency is associated with a large proportion of these diseases is an important therapeutic target for exploration. This study evaluated the administration of high doses of vitD (3000 IU/kg) in obese and insulin-resistant C57BL/6J mice. Our results demonstrated that although high doses of vitD provided metabolic benefits such as increased insulin sensitivity and decreased body mass, this was associated with significant damage in the kidneys of obese mice...
July 18, 2017: Drug Development Research
https://www.readbyqxmd.com/read/28718324/physical-health-and-drug-safety-in-individuals-with-schizophrenia
#10
Tamara Pringsheim, Martina Kelly, Doug Urness, Michael Teehan, Zahinoor Ismail, David Gardner
BACKGROUND: While antipsychotic medications are the mainstay of therapy for individuals with schizophrenia and psychotic disorders, their use is associated with adverse effects on physical health that require the attention and care of prescribers. METHODS: We used the ADAPTE process to adapt existing guideline recommendations from the National Institute for Health and Care Excellence (NICE) and Scottish Intercollegiate Guidelines Network (SIGN) guidelines on the dosing of antipsychotics and antipsychotic polypharmacy, screening for adverse effects of antipsychotics, and management of metabolic and extrapyramidal side effects to the Canadian context...
January 1, 2017: Canadian Journal of Psychiatry. Revue Canadienne de Psychiatrie
https://www.readbyqxmd.com/read/28707286/intragastric-balloon-treatment-for-obesity-review-of-recent-studies
#11
REVIEW
Chinara M Tate, Allan Geliebter
INTRODUCTION: The FDA recently approved three intragastric balloon (IGB) devices, ReShape, ORBERA™, and Obalon for treatment of obesity. Given the high cost, complication risk, and invasiveness of bariatric surgery, IGB treatment may present a safer and lower cost option for weight reduction. IGBs are generally placed in the stomach endoscopically for up to 6 months to reduce gastric capacity, enhance feelings of fullness, and induce weight loss. The mechanism of action likely involves stimulation of gastric mechanoreceptors triggering short-acting vagal signals to brain regions implicated in satiety...
July 13, 2017: Advances in Therapy
https://www.readbyqxmd.com/read/28698254/mechanism-based-pharmacokinetic-pharmacodynamic-modeling-of-the-glucagon-like-peptide-1-receptor-agonist-exenatide-to-characterize-its-antiobesity-effects-in-diet-induced-obese-mice
#12
Shinji Iwasaki, Teruki Hamada, Ikumi Chisaki, Tomohiro Andou, Noriyasu Sano, Atsutoshi Furuta, Nobuyuki Amano
In addition to their potent antidiabetic effects, glucagon-like peptide-1 (GLP-1) analogs lower body weight in humans. Hence, agonistic targeting of the GLP-1 receptor could be a valid approach to target obesity. However, quantitative analyses of the pharmacokinetic/pharmacodynamic (PK/PD) relationship between GLP-1 analogs and their antiobesity effect have not been reported in either animals or humans. Therefore, the present study was performed to establish a mechanism-based PK/PD model of GLP-1 receptor agonists using the GLP-1 analog exenatide for the development of promising new antiobesity drugs...
September 2017: Journal of Pharmacology and Experimental Therapeutics
https://www.readbyqxmd.com/read/28690544/lotus-leaf-aqueous-extract-reduces-visceral-fat-mass-and-ameliorates-insulin-resistance-in-hfd-induced-obese-rats-by-regulating-ppar%C3%AE-2-expression
#13
Kemin Yan, Huijuan Zhu, Jian Xu, Hui Pan, Naishi Li, Linjie Wang, Hongbo Yang, Meijuan Liu, FengYing Gong
Objectives: Lotus leaf is a kind of traditional Chinese medicine. We aimed to explore the effects of lotus leaf aqueous extract (LLAE) on peroxisome proliferative activated receptor γ2 (PPARγ2) expression in preadipocytes and adipocytes and further investigate its effects on high fat diet (HFD)-induced obese rats. Methods: pGL3-Enhancer-PPARγ2 (625 bp)-Luc plasmid, a luciferase reporter gene expression plasmid containing PPARγ2 promoter, was stably transfected into 3T3-L1 preadipocytes. PPARγ2 promoter activities were determined by assaying the luciferase activities...
2017: Frontiers in Pharmacology
https://www.readbyqxmd.com/read/28669771/antidiabetic-antioxidant-and-anti-inflammatory-properties-of-water-and-n-butanol-soluble-extracts-from-saharian-anvillea-radiata-in-high-fat-diet-fed-mice
#14
Chouaib Kandouli, Mathieu Cassien, Anne Mercier, Caroline Delehedde, Emilie Ricquebourg, Pierre Stocker, Mourad Mekaouche, Zineb Leulmi, Aicha Mechakra, Sophie Thétiot-Laurent, Marcel Culcasi, Sylvia Pietri
ETHNOPHARMACOLOGICAL RELEVANCE: According to Saharian traditional medicine, Anvillea radiata Coss. & Dur. (Asteraceae) has been valued for treating a variety of ailments such as gastro-intestinal, liver and pulmonary diseases, and has gained awareness for its beneficial effect on postprandial hyperglycemia. However, to best of our knowledge, no detailed study of the antidiabetic curative effects of this plant has been conducted yet. AIM OF THE STUDY: To determine the hypoglycemic and antidiabetic effect of dietary supplementation with Anvillea radiata extracts on high-fat-diet (HFD)-induced obesity and insulin resistance in C57BL/6J mice in relation with antioxidant, anti-inflammatory, pancreatic beta-cells and skeletal muscle protection, and digestive enzyme inhibiting properties...
July 31, 2017: Journal of Ethnopharmacology
https://www.readbyqxmd.com/read/28666894/pharmacological-comparison-of-traditional-and-non-traditional-cannabinoid-receptor-1-blockers-in-rodent-models-in-vivo
#15
Balázs Varga, Ferenc Kassai, György Szabó, Péter Kovács, János Fischer, István Gyertyán
Cannabinoid receptor 1 (CB1R) antagonists have been proven to be effective anti-obesity drugs; however, psychiatric side effects have halted their pharmaceutical development worldwide. Despite the emergence of next generation CB1R blockers, a preclinical head to head comparison of the anti-obesity and psychiatric side effect profiles of the key compounds has not been performed. Here, we compared classical CB1R antagonists (rimonabant, taranabant, otenabant, ibipinabant, and surinabant) and non-traditional CB1R blockers (the partial agonist O-1269, the neutral antagonists VCHSR and LH-21 and the peripherally acting inverse agonist JD-5037) using an in vivo screening cascade...
June 27, 2017: Pharmacology, Biochemistry, and Behavior
https://www.readbyqxmd.com/read/28660593/is-obesity-the-new-hypertension-parallels-in-the-evolution-of-obesity-and-hypertension-as-recognized-disease-states
#16
REVIEW
Devika Umashanker, Alpana P Shukla, Katherine H Saunders, Louis J Aronne
Obesity and hypertension are recognized disease states that share many similarities including complex physiology, therapeutic response to both lifestyle modification and pharmacotherapy, and the need for long-term management. Both were initially believed to be disorders of lifestyle rather than true disease entities, and initial efforts at developing medical and surgical therapies were criticized. Ultimately, both have proven to be amenable to treatments that control their underlying physiology. Both hypertension and obesity have complex pathophysiology involving multiple regulatory pathways that may require combination therapies in addition to lifestyle modification to reach therapeutic goals...
August 2017: Current Atherosclerosis Reports
https://www.readbyqxmd.com/read/28658801/hypolipidaemic-effects-of-gymnema-sylvestre-on-high-fat-diet-induced-dyslipidaemia-in-wistar-rats
#17
Dheeraj Kumar Singh, Narendra Kumar, Anjula Sachan, Preet Lakhani, Sachin Tutu, Rajendra Nath, Amod Kumar Sachan, Rakesh Kumar Dixit
INTRODUCTION: Hyperlipidaemia is a well known risk factor for cardiovascular diseases. Lifestyle modification can be the initial step to reduce cholesterol levels. There are various drugs which are used to control dyslipidaemia. Treatment of lipid abnormalities is a lifelong battle. Moreover, the safety and effectiveness of long term lipid lowering treatment are questionable. Gymnema Sylvestre (GS) is a well known herb with various medicinal properties. AIM: To explore the hypolipidaemic activity of GS leaves extract...
May 2017: Journal of Clinical and Diagnostic Research: JCDR
https://www.readbyqxmd.com/read/28647460/a-prospective-study-evaluating-tobramycin-pharmacokinetics-and-optimal-once-daily-dosing-in-burn-patients
#18
Colin Lee, Sandra A N Walker, Scott E Walker, Winnie Seto, Andrew Simor, Marc Jeschke
BACKGROUND: Once-daily aminoglycoside dosing (ODA) is used in most patient populations to optimize antibacterial activity and reduce toxicity. Unfortunately, burn patients are excluded from ODA due to concerns over altered pharmacokinetics resulting in a shortened half-life and low peak aminoglycoside concentrations. Retrospective studies suggest that ODA may be appropriate if higher milligram/kilogram doses are used. However, no prospective clinical trials in burn patients exist to confirm these findings...
June 21, 2017: Burns: Journal of the International Society for Burn Injuries
https://www.readbyqxmd.com/read/28645996/treatment-of-suspected-pulmonary-embolism-in-a-morbidly-obese-patient
#19
Viviene Heitlage, Mary Beth Borgstadt, Lisa Carlson
PURPOSE: A case highlighting challenges with enoxaparin dosage and monitoring in obese patients is presented. SUMMARY: A morbidly obese 22-year-old Caucasian female (height, 168 cm; weight, 322 kg; body mass index [BMI], 114 kg/m(2)) who presented to the emergency department with acute-onset dyspnea and hypoxia was empirically initiated on enoxaparin for suspected pulmonary embolism at the institution's standard maximum dosage (160 mg subcutaneously every 12 hours)...
July 1, 2017: American Journal of Health-system Pharmacy: AJHP
https://www.readbyqxmd.com/read/28612554/-the-preliminary-investigation-of-glp-1-receptor-agonist-on-liver-steatosis-in-obese-mice
#20
Xia Wang, He He, Li-Bo Liang, Mei Zhang, She-Yu Li, Shuang-Qing Li, Zhen-Mei An, Heng-Jian Huang
OBJECTIVES: To investigate the effects of glucagon-like peptide-1 (GLP-1) receptor agonist, exenatide, on liver function and steatosis in obese mice. METHODS: Male c57BL/6J mice (8 weeks old) were divided into high-fat-diet group (for obesity model construction) and chow diet group. 12 weeks later, mice of high-fat diet group were randomly divided into high-dose exenatide group [H group, intraperitoneal injection 0.02 μg/ (g·d) , high-fat-diet], low-dose exenatide group [L group, intraperitoneal injection 0...
January 2017: Sichuan da Xue Xue Bao. Yi Xue Ban, Journal of Sichuan University. Medical Science Edition
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