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https://www.readbyqxmd.com/read/29784048/a-meta-analysis-of-the-effect-of-a-dexamethasone-intravitreal-implant-versus-intravitreal-anti-vascular-endothelial-growth-factor-treatment-for-diabetic-macular-edema
#1
Ye He, Xin-Jun Ren, Bo-Jie Hu, Wai-Ching Lam, Xiao-Rong Li
BACKGROUND: This meta-analysis evaluated the effectiveness and safety of dexamethasone (DEX) implant and intravitreal anti-vascular endothelial growth factor (VEGF) treatment for diabetic macular edema (DME). METHODS: The PubMed, Embase, clinicaltrials.gov website and Cochrane Library databases were comprehensively searched for studies comparing DEX implant with anti-VEGF in patients with DME. Best-corrected visual acuity (BCVA), central subfield thickness (CST) and adverse events were extracted from the final eligible studies...
May 21, 2018: BMC Ophthalmology
https://www.readbyqxmd.com/read/29783150/electrophoretic-deposition-of-dexamethasone-loaded-gelatin-nanospheres-chitosan-coating-and-its-dual-function-in-anti-inflammation-and-osteogenesis
#2
Hongfei Qi, Qiang Chen, Hailong Ren, Xianglong Wu, Xianhu Liu, Tingli Lu
Surface modification of metallic implants with bioactive and biodegradable coatings could be a promising approach for bone regeneration. The objective of this study was to prepare chitosan/gelatin nanospheres (GNs) composite coating for the delivery of dexamethasone (DEX). GNs with narrow size distribution and negative surface charge were firstly prepared by a two-step desolvation method. Homogeneous and stable gelatin nanospheres/chitosan (GNs/CTS) composite coatings were formed by electrophoretic deposition (EPD)...
May 18, 2018: Colloids and Surfaces. B, Biointerfaces
https://www.readbyqxmd.com/read/29782964/an-in-vitro-approach-for-prioritization-and-evaluation-of-chemical-effects-on-glucocorticoid-receptor-mediated-adipogenesis
#3
Jessica K Hartman, Tyler Beames, Bethany Parks, Daniel Doheny, Gina Song, Alina Efremenko, Miyoung Yoon, Briana Foley, Chad Deisenroth, Patrick D McMullen, Rebecca A Clewell
Rising obesity rates worldwide have socio-economic ramifications. While genetics, diet, and lack of exercise are major contributors to obesity, environmental factors may enhance susceptibility through disruption of hormone homeostasis and metabolic processes. The obesogen hypothesis contends that chemical exposure early in development may enhance adipocyte differentiation, thereby increasing the number of adipocytes and predisposing for obesity and metabolic disease. We previously developed a primary human adipose stem cell (hASC) assay to evaluate the effect of environmental chemicals on PPARG-dependent adipogenesis...
May 18, 2018: Toxicology and Applied Pharmacology
https://www.readbyqxmd.com/read/29782839/different-regulation-of-cortisol-and-corticosterone-in-the-subterranean-rodent-ctenomys-talarum-responses-to-dexamethasone-angiotensin-ii-potassium-and-diet
#4
Federico Vera, C Daniel Antenucci, Roxana R Zenuto
When harmful environmental stimuli occur, glucocorticoids (GCs), cortisol and corticosterone are currently used to evaluate stress status in vertebrates, since their secretions are primarily associated to an increased activity of the hypothalamic-pituitary-adrenal (HPA) axis. To advance in our comprehension about GCs regulation, we evaluated the subterranean rodent Ctenomys talarum to assess cortisol and corticosterone response to (1) the negative feedback of the HPA axis using the dexamethasone (DEX) suppression test, (2) angiotensin II (Ang II), (3) potassium (K+ ) intake, and (4) different diets (vegetables, grasses, acute fasting)...
May 18, 2018: General and Comparative Endocrinology
https://www.readbyqxmd.com/read/29782406/population-pharmacokinetics-and-pharmacodynamics-of-dexmedetomidine-in-children-undergoing-ambulatory-surgery
#5
María-Gabriela Pérez-Guillé, Alejandra Toledo-López, Liliana Rivera-Espinosa, Radames Alemon-Medina, Chiharu Murata, Ismael Lares-Asseff, Juan Luis Chávez-Pacheco, Josefina Gómez-Garduño, Ana-Lilia Zamora Gutiérrez, Claudia Orozco-Galicia, Karina Ramírez-Morales, Gustavo Lugo-Goytia
BACKGROUND: Dexmedetomidine (DEX) is an α-2 adrenergic agonist with sedative and analgesic properties. Although not approved for pediatric use by the Food and Drug Administration, DEX is increasingly used in pediatric anesthesia and critical care. However, very limited information is available regarding the pharmacokinetics of DEX in children. The aim of this study was to investigate DEX pharmacokinetics and pharmacodynamics (PK-PD) in Mexican children 2-18 years of age who were undergoing outpatient surgical procedures...
May 17, 2018: Anesthesia and Analgesia
https://www.readbyqxmd.com/read/29777869/subconjunctival-dendrimer-drug-therapy-for-the-treatment-of-dry-eye-in-rabbits-with-induced-autoimmune-dacryoadenitis
#6
Hui Lin, Ying Liu, Siva P Kambhampati, Chih-Chien Hsu, Rangaramanujam M Kannan, Samuel C Yiu
PURPOSE: To investigate the efficacy of a single subconjunctival injection of dendrimer-dexamethasone to treat dry eye in a rabbit model of induced autoimmune dacryoadenitis (AID). METHOD: Dendrimer biodistribution after subconjuntival injection in AID animals was evaluated using Cy5-labelled dendrimer (D-Cy5) and confocal microscopy. Diseased animals were treated with free dexamethasone (Free-Dex), dendrimer-dexamethasone (D-Dex), or saline via a single subconjunctival injection...
May 16, 2018: Ocular Surface
https://www.readbyqxmd.com/read/29775243/protective-and-therapeutic-effects-of-dexpanthenol-on-isoproterenol-induced-cardiac-damage-in-rats
#7
Ferhat Kalkan, Hakan Parlakpinar, Olcay M Disli, Lokman H Tanriverdi, Onural Ozhan, Alaaddin Polat, Aslı Cetin, Nigar Vardi, Yılmaz O Otlu, Ahmet Acet
The purpose of the study was to explore the protective and therapeutic effects of dexpanthenol (DEX) on isoproterenol (ISO)-induced cardiac damage. Forty rats were distributed into four groups: group I (Control); group II (ISO); ISO (150 mg/kg/day) was given to rats once a day for 2 consecutive days with an interval of 24 h; group III (DEX+ISO): DEX (250 mg/kg) was applied 30 min before the first ISO administration and continued in the next two days after second ISO administration; group IV (ISO+DEX): After the ISO treatment at 1st and 2nd days, DEX was given at 3rd and 4th days...
May 18, 2018: Journal of Cellular Biochemistry
https://www.readbyqxmd.com/read/29774521/patient-reported-outcomes-of-multiple-myeloma-patients-treated-with-panobinostat-after-%C3%A2-2-lines-of-therapy-based-on-the-international-phase-3-randomized-double-blind-placebo-controlled-panorama-1-trial
#8
Paul G Richardson, Robert L Schlossman, Anuja N Roy, Ashok Panneerselvam, Suddhasatta Acharyya, Monika Sopala, Sagar Lonial
The phase 3 PANORAMA-1 trial led to regulatory approvals of panobinostat (PAN) in combination with bortezomib (BTZ) and dexamethasone (DEX) for the treatment of multiple myeloma after ≥2 prior regimens, including BTZ and an immunomodulatory drug. Patient-reported outcomes (PROs) were assessed in PANORAMA-1, with data available for 73 patients in the PAN + BTZ + DEX arm and 74 patients in the placebo (PBO) + BTZ + DEX arm. Per the European Organisation for Research and Treatment of Cancer Quality of Life Questionnaire-Core 30 (EORTC QLQ-C30), global health status/quality of life (QoL) scores initially declined with PAN + BTZ + DEX during the first 24 weeks before approaching baseline scores and remaining steady during the next 24 weeks, with no difference between arms at Week 48...
May 17, 2018: British Journal of Haematology
https://www.readbyqxmd.com/read/29768534/impact-of-dexmedetomidine-on-hemodynamics-in-rabbits
#9
Jianjun Ren, Changfa Li, Shuxian Ma, Jiangli Wu, Yanjie Yang
PURPOSE: To evaluate the effects of single intravenous administration of Dexmedetomidine (DEX) on hemodynamics in rabbits. METHODS: A total of 32 New Zealand white rabbits were randomly divided into the control group (Group C), Group D1 (2.75 μg/kg), Group D2 (5.5 μg/kg), and Group D3 (8.25 μg/kg) to compare systolic blood pressure (SBP), diastolic blood pressure (DBP), heart rate (HR), central venous pressure (CVP), left ventricular systolic pressure (LVSP), left ventricular end-stage diastolic pressure (LVEDP), left ventricular developmental pressure (LVDP), +dp/dtmax, -dp/dtmax, and t-dp/dtmax at different time points...
April 2018: Acta Cirúrgica Brasileira
https://www.readbyqxmd.com/read/29764184/efficacy-of-the-combination-neurokinin-1-receptor-antagonist-palonosetron-and-dexamethasone-compared-to-others-for-the-prophylaxis-of-chemotherapy-induced-nausea-and-vomiting-a-systematic-review-and-meta-analysis-of-randomized-controlled-trials
#10
Ronald Chow, May Tsao, Leonard Chiu, Marko Popovic, Milica Milakovic, Henry Lam, Carlo DeAngelis
BACKGROUND: Chemotherapy-induced nausea and vomiting (CINV), a common side effect of chemotherapy, can substantially impair a patient's quality of life, interfere with a patient's compliance with anticancer therapy, and result in the manifestation of adverse events such as electrolyte imbalance, dehydration and malnutrition. The most recent guidelines published by the Multinational Association of Supportive Care in Cancer (MASCC) and European Society of Medical Oncology (ESMO) recommend the combination of dexamethasone (DEX), a 5-hydroxytrypatmine-3 receptor antagonist (5-HT3RA), preferably palonosetron (PALO), and a neurokinin-1 receptor antagonist (NK1RA) for prophylactic treatment of CINV in patients receiving highly emetogenic chemotherapy (HEC)...
April 2018: Annals of Palliative Medicine
https://www.readbyqxmd.com/read/29763783/sex-differences-in-the-acth-and-cortisol-response-to-pharmacological-probes-are-stressor-specific-and-occur-regardless-of-alcohol-dependence-history
#11
Robert M Anthenelli, Jaimee L Heffner, Thomas J Blom, Belinda E Daniel, Benjamin S McKenna, Gary S Wand
Women and men differ in their risk for developing stress-related conditions such as alcohol use and anxiety disorders and there are gender differences in the typical sequence in which these disorders co-occur. However, the neural systems underlying these gender-biased psychopathologies and clinical course modifiers in humans are poorly understood and may involve both central and peripheral mechanisms regulating the limbic-hypothalamic-pituitary-adrenal axis. In the present randomized, double blind, placebo-controlled, triple-dummy crossover study, we juxtaposed a centrally-acting, citalopram (2 mg/unit BMI) neuroendocrine stimulation test with a peripherally-acting, dexamethasone (Dex) (1...
May 4, 2018: Psychoneuroendocrinology
https://www.readbyqxmd.com/read/29763585/seasonal-changes-in-acute-stressor-mediated-plasma-glucocorticoid-regulation-in-new-world-flying-squirrels
#12
Lanna M Desantis, Jeff Bowman, Mathilakath M Vijayan, Gary Burness
Southern flying squirrels have higher circulating cortisol levels than most vertebrates. However, regulation of tissue exposure to cortisol by the hormone's carrier protein, corticosteroid-binding globulin (CBG), appears to be altered due to lower-than-expected CBG expression levels, and a reduced affinity for cortisol. To assess the capacity of flying squirrels to regulate acute stress-mediated cortisol levels, we used the dexamethasone (DEX) suppression test followed by the adrenocorticotropic hormone (ACTH) stimulation test in both the breeding and non-breeding seasons, and quantified resultant changes in plasma cortisol and relative CBG levels...
May 12, 2018: General and Comparative Endocrinology
https://www.readbyqxmd.com/read/29757557/-effects-of-ginkgo-biloba-extract-combined-with-glucocorticoid-on-olfactory-function-and-inflammatory-cytokines-in-mice-with-allergic-rhinitis
#13
Chan Wu, Yong Xiang Wei, Jayant Marian Pinto, Jun Tian, Xian Dao Yuan, Xiao Jun Zhan
Objective: To determine whether ginkgo biloba extract(GBE)combined with dexamethasone(DEX)plays a role in the treatment of allergic rhinitis-related olfactory dysfunction using an animal model. Method: Six week old BALB/C mice were sensitized and challenged with ovalbumin.30 sensitized mice were divided into three groups:Group 1 was given high-dose GBE and DEX(n=10);Group 2 was given low dose GBE and DEX(n=10);Group 3 was given DEX alone(n=10).We assessed the histology of the olfactory mucosa and serum IL-4,IFN-γ,and caspase 1...
January 20, 2018: Journal of Clinical Otorhinolaryngology, Head, and Neck Surgery
https://www.readbyqxmd.com/read/29756171/real-world-data-on-len-dex-combination-at-second-line-therapy-of-multiple-myeloma-treatment-at-biochemical-relapse-is-a-significant-prognostic-factor-for-progression-free-survival
#14
Eirini Katroditou, Marie-Christine Kyrtsonis, Sosana Delimpasi, Despoina Kyriakou, Argiris Symeonidis, Emmanouil Spanoudakis, Georgios Vasilopoulos, Achilles Anagnostopoulos, Anna Kioumi, Panagiotis Zikos, Anthi Aktypi, Evangelos Briasoulis, Aikaterini Megalakaki, Panayiotis Repousis, Ioannis Adamopoulos, Dimitrios Gogos, Maria Kotsopoulou, Vassiliki Pappa, Eleni Papadaki, Despoina Fotiou, Eftychia Nikolaou, Evlambia Giannopoulou, Eleftheria Hatzimichael, Nikolaos Giannakoulas, Vassiliki Douka, Kyriaki Kokoviadou, Despoina Timotheatou, Evangelos Terpos
We evaluated progression-free survival (PFS) rate of patients treated with lenalidomide/dexamethasone (Len/Dex), the efficacy of the combination, and the prognostic significance of treatment at biochemical vs. clinical relapse on PFS in 207 consecutive myeloma patients treated with Len/Dex in second line, according to routine clinical practice in Greece. First-line treatment included bortezomib-based (63.3%) or immunomodulatory drug-based (34.8%) therapies; 25% of patients underwent autologous stem cell transplantation...
May 13, 2018: Annals of Hematology
https://www.readbyqxmd.com/read/29754530/compression-with-23-mmhg-or-35-mmhg-stockings-after-saphenous-catheter-foam-sclerotherapy-and-phlebectomy-of-varicose-vein-a-randomized-controlled-study
#15
Attilio Cavezzi, Giovanni Mosti, Roberto Colucci, Valentina Quinzi, Luca Bastiani, Simone U Urso
Objectives To compare two different medical compression stockings after varicose vein treatment. Patients and methods A randomized single-blind controlled study on two compression regimes after saphenous catheter foam sclerotherapy + phlebectomy was performed. After pads and 5 mmHg contention sock, 23 mmHg (group A, Struva 23®) or 35 mmHg (group B, Struva 35®) medical compression stocking was applied 24 h/day for seven days; subsequently 21-23 mmHg medical compression stocking in daytime. Symptoms, compliance, skin findings, and bioimpedance spectroscopy parameters were assessed...
January 1, 2018: Phlebology
https://www.readbyqxmd.com/read/29753869/dexamethasone-alleviates-pemetrexed-induced-senescence-in-non-small-cell-lung-cancer
#16
Haiyan Ge, Jun Ke, Nuo Xu, Hongqing Li, Jin Gong, Xiangyang Li, Yuanlin Song, Huili Zhu, Chunxue Bai
Pemetrexed (PEM) is a novel and multi-targeted antifolate used as an antineoplastic agent for non-small cell lung cancer (NSCLC) and pleural mesothelioma. Although glucocorticoid was often used with PEM to reduce toxicity during the chemotherapy, it is not clear yet whether glucocorticoid co-administration could affect PEM efficacy in NSCLC. Here we established NSCLC cell lines and examined the effects of dexamethasone (DEX) on PEM sensitivity in vitro and in xenograft models. DEX co-administration reduced chemotherapy sensitivity to PEM in xenograft models...
May 10, 2018: Food and Chemical Toxicology
https://www.readbyqxmd.com/read/29753722/naringin-protects-against-bone-loss-in-steroid-treated-inflammatory-bowel-disease-in-a-rat-model
#17
Chengli Li, Jun Zhang, Fang Lv, Xingtao Ge, Gang Li
We observed the effects of naringin on bone loss in glucocorticoid-treated inflammatory bowel disease (IBD) in a rat model. The IBD model was established in Sprague-Dawley rats by administering 5.0% dextran sodium sulfate. Dexamethasone (DEX) and naringin were given at the second week. Blood, colon and bone samples were collected for biomarker assay, histological analysis or microCT analysis. Superoxide dismutase, catalase and malonaldehyde were measured in bone. A significant decrease of procollagen type 1 N-terminal propeptide (P1NP) level was observed in DEX-treated IBD groups compared with the control (p < 0...
May 10, 2018: Archives of Biochemistry and Biophysics
https://www.readbyqxmd.com/read/29752108/surface-decorated-hydroxyapatite-scaffold-with-on-demand-delivery-of-dexamethasone-and-stromal-cell-derived-factor-1-for-enhanced-osteogenesis
#18
Bingjun Zhang, Hongyu Li, Lei He, Zhiwei Han, Teng Zhou, Wei Zhi, Xiaobo Lu, Xiong Lu, Jie Weng
In the process of bone regeneration, relatively early biological events including inflammatory response, angiogenesis, or stem cell homing, help the accompanying target actions of cell differentiation and calcification. Herein, we proposed a novel cell-guided tissue engineering system based on a surface-functionalized porous hydroxyapatite (HA) scaffolds with the ability to recruit cells and accelerate the differentiation of them along the osteoblastic lineage for optimizing large-sized bone defect repair. Inspired by microstructural properties of natural bone, HA scaffolds similar to the trabecular bone structure were prepared via a sugar sphere leaching technique, in which the inter-pore opening size was controllable...
August 1, 2018: Materials Science & Engineering. C, Materials for Biological Applications
https://www.readbyqxmd.com/read/29749448/dextran%C3%A2-coated-superparamagnetic-iron-oxide-nanoparticles-activate-the-mapk-pathway-in-human-primary-monocyte-cells
#19
Qihong Wu, Tianyu Miao, Ting Feng, Chuan Yang, Yingkun Guo, Hong Li
With the increase in applications of superparamagnetic iron oxide nanoparticles (SPIONs) in biomedicine, it is essential to investigate the bio‑security of these nanoparticles, especially with respect to the human immune system. In the present study, the biological effects of dextran‑coated superparamagnetic iron oxide nanoparticles (Dex‑SPIONs) on human primary monocyte cells were evaluated. The results of the present study demonstrated that Dex‑SPIONs can be identified in phagosomes or freed in the cytoplasm and did not affect cell viability or induce apoptosis...
May 4, 2018: Molecular Medicine Reports
https://www.readbyqxmd.com/read/29747353/-the-efficiency-of-23-g-vitrectomy-combined-with-preoperative-subtenon-injection-of-triamcinolone-acetonide-for-treatment-of-retinal-detachment-associated-with-choroidal-detachment
#20
J B Mao, S L Wu, Y Q Chen, Y G Dong, B Zheng, J W Tao, S X Zhao, D Fang, L J Shen
Objective: To evaluate the efficiency of 23 G vitrectomy combined with preoperative subtenon injecfion of triamcinolone acetonide for treatment of rhegmatogenous retinal detachment associated with choroidal detachment. Methods: A retrospective analysis. Forty-eight (16 males and 32 females, aged 57.3±13.9) consecutive patients (48 eyes) who were diagnosed with rhegmatogenous retinal detachment associated with choroidal detachment and received 23 G vitrectomy at the Eye Hospital of Wenzhou Medical University during January 2012 and January 2015 were enrolled...
April 11, 2018: [Zhonghua Yan Ke za Zhi] Chinese Journal of Ophthalmology
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