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Venlafaxine

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https://www.readbyqxmd.com/read/29141255/is-venlafaxine-more-effective-than-escitalopram-and-nortriptyline-in-the-management-of-painful-symptoms-in-patients-with-major-depression
#1
Jan Jaracz, Karolina Gattner, Krystyna Jaracz, Krystyna Górna, Jerzy Moczko, Joanna Hauser
Background Conflicting data regarding the efficacy of antidepressants of different mechanism of action on unexplained painful physical symptoms (UPPS) in depression have been published so far. Objective The aim of this study was to compare the impact of escitalopram (ESC), nortriptyline (NOR), and venlafaxine (VEN) on UPPS in patients with major depression. Materials and methods Sixty patients, participants in the GENDEP study, with a diagnosis of depression according to the ICD-10 criteria were randomly assigned to treatment with ESC (10-30 mg, mean dose 15...
November 15, 2017: Pharmacopsychiatry
https://www.readbyqxmd.com/read/29140306/chitosan-spray-dried-microparticles-for-controlled-delivery-of-venlafaxine-hydrochloride
#2
Inmaculada Aranaz, Ines Paños, Carlos Peniche, Ángeles Heras, Niuris Acosta
Venlafaxine controlled drug delivery systems using different matrixes have been tested to reduce undesirable side effects in the treatment of depression. The legal status of chitosan (Cs) in Pharmacy has dramatically improved after its acceptance as excipient in several Pharmacopeias and, therefore, there is great interest in pharmaceutical formulations based on this polymer. In this paper, chitosan microcapsules cross-linked with sodium tripolyphosphate (TPP) for oral delivery of venlafaxine were formulated using the spray drying technique...
November 15, 2017: Molecules: a Journal of Synthetic Chemistry and Natural Product Chemistry
https://www.readbyqxmd.com/read/29136600/effects-of-venlafaxine-versus-lithium-monotherapy-on-quality-of-life-in-bipolar-ii-major-depressive-disorder-findings-from-a-double-blind-randomized-controlled-trial
#3
Lorenzo Lorenzo-Luaces, Jay D Amsterdam
Bipolar disorder is associated with decreased quality of life, especially during depressive episodes. There are few studies that have examined whether quality of life improves following pharmacological treatments of bipolar depression. In this exploratory study, we examined the effects of antidepressant versus mood stabilizer monotherapy on quality of life ratings in bipolar II subjects during acute (12 week) treatment. Data were derived from a randomized double-blind comparison of venlafaxine (n = 65) versus lithium (n = 64) monotherapy...
November 8, 2017: Psychiatry Research
https://www.readbyqxmd.com/read/29134498/vasoplegic-shock-treated-with-methylene-blue-complicated-by-severe-serotonin-syndrome
#4
Betty S Chan, Therese Becker, Angela L Chiew, Ahmed M Abdalla, Tom A Robertson, Xin Liu, Michael S Roberts, Nicholas A Buckley
INTRODUCTION: Management of severe vasoplegic shock in overdose can be very challenging. We describe a case of severe refractory vasodilatory shock in poisoning where methylene blue (MB) was used with success. However, the patient subsequently developed severe Serotonin Syndrome (SS) as a result of an interaction between serotonergic drugs and MB. CASE REPORT: A 15-year-old male developed severe vasoplegic shock 1.5 hours after overdosing on several different medications including quetiapine slow release, quetiapine immediate release, desvenlafaxine slow release, venlafaxine, amlodipine, ramipril, fluoxetine, promethazine and lithium...
November 13, 2017: Journal of Medical Toxicology: Official Journal of the American College of Medical Toxicology
https://www.readbyqxmd.com/read/29133948/increased-hippocampal-tail-volume-predicts-depression-status-and-remission-to-anti-depressant-medications-in-major-depression
#5
J J Maller, K Broadhouse, A J Rush, E Gordon, S Koslow, S M Grieve
Studies of patients with major depressive disorder (MDD) have consistently reported reduced hippocampal volumes; however, the exact pattern of these volume changes in specific anatomical subfields and their functional significance is unclear. We sought to clarify the relationship between hippocampal tail volumes and (i) a diagnosis of MDD, and (ii) clinical remission to anti-depressant medications (ADMs). Outpatients with nonpsychotic MDD (n=202) based on DSM-IV criteria and a 17-item Hamilton Rating Scale for Depression (HRSD17) score ⩾16 underwent pretreatment magnetic resonance imaging as part of the international Study to Predict Optimized Treatment for Depression (iSPOT-D)...
November 14, 2017: Molecular Psychiatry
https://www.readbyqxmd.com/read/29131974/synthetic-hospital-wastewater-treatment-by-coupling-submerged-membrane-bioreactor-and-electrochemical-advanced-oxidation-process-kinetic-study-and-toxicity-assessment
#6
Yassine Ouarda, Bhagyashree Tiwari, Antonin Azaïs, Marc-Antoine Vaudreuil, Sokhna Dieng Ndiaye, Patrick Drogui, Rajeshwhar Dayal Tyagi, Sébastien Sauvé, Mélanie Desrosiers, Gerardo Buelna, Rino Dubé
In this work, the combination of membrane bioreactor (MBR) and electro-oxidation (EO) process was studied for the treatment of a synthetic hospital wastewater fortified with four pharmaceutical pollutants namely carbamazepine (CBZ), ibuprofen (IBU), estradiol (E-E) at a concentration of 10 μg L(-1) venlafaxine (VEN) at 0.2 μg L(-1). Two treatment configurations were studied: EO process as pre-treatment and post-treatment. Wastewater treatment with MBR alone shows high removal percentages of IBU and E-E (∼90%)...
November 4, 2017: Chemosphere
https://www.readbyqxmd.com/read/29123929/palpitations-and-asthenia-associated-with-venlafaxine-in-a-cyp2d6-poor-metabolizer-and-cyp2c19-intermediate-metabolizer
#7
Sofia Garcia, Michael Schuh, Anvir Cheema, Herjot Atwal, Paldeep S Atwal
Cardiotoxicity has been extensively reported in venlafaxine (VEN) overdoses. Asthenia is also among the common side effects described for this antidepressant. VEN is metabolized mainly by CYP2D6 and to a minor extent by CYP2C19 to the major active metabolite O-desmethylvenlafaxine (ODV). Altered pharmacokinetic parameters in patients with polymorphisms in the CYP2D6 and CYP2C19 genes that result in decreased enzymatic activity have been documented. Here we describe a patient case of VEN associated palpitations and asthenia...
2017: Case Reports in Genetics
https://www.readbyqxmd.com/read/29121034/the-impact-of-advanced-opioid-drugs-and-analgesic-adjuvants-on-murine-macrophage-oxygen-burst
#8
Michael Kozlowski, Katarzyna Nazimek, Magdalena Wąsik, Iwona Filipczak-Bryniarska, Krzysztof Bryniarski
Macrophages (Mf) are a versatile group of phagocytic cells responsible for fulfilling a variety of immune functions, most notably for mounting the initial anti-microbial response and for the clearance of cellular debris and apoptotic bodies. The key processes for fulfilling these functions include the production of reactive oxygen intermediates (ROIs) and nitric oxide (NO). Mf also express a variety of receptors, including opioid, serotonin, and norepinephrine receptors, and thus can react to various substances...
2017: Folia Medica Cracoviensia
https://www.readbyqxmd.com/read/29116077/convenient-iron-catalyzed-reductive-aminations-without-hydrogen-for-selective-synthesis-of-n-methylamines
#9
Kishore Natte, Helfried Neumann, Rajenahally V Jagadeesh, Matthias Beller
N-Methylated amines play an important role in regulating the biological and pharmaceutical properties of all kinds of life science molecules. In general, this class of compounds is synthesized via reductive amination reactions using high pressure of molecular hydrogen. Thus, on laboratory scale especially in drug discovery, activated (toxic) methyl compounds such as methyl iodide and dimethyl sulfate are still employed, which also generate significant amounts of waste. Therefore, the development of more convenient and operationally simple processes for the synthesis of advanced N-methylamines is highly desired...
November 7, 2017: Nature Communications
https://www.readbyqxmd.com/read/29115994/exploring-venlafaxine-pharmacokinetic-variability-with-a-phenotyping-approach-a-multicentric-french-swiss-study-marvel-study
#10
Célia Lloret-Linares, Youssef Daali, Sylvie Chevret, Isabelle Nieto, Fanny Molière, Philippe Courtet, Florence Galtier, Raphaëlle-Marie Richieri, Sophie Morange, Pierre-Michel Llorca, Wissam El-Hage, Thomas Desmidt, Frédéric Haesebaert, Philippe Vignaud, Jerôme Holtzmann, Jean-Luc Cracowski, Marion Leboyer, Antoine Yrondi, Fabienne Calvas, Liova Yon, Philippe Le Corvoisier, Olivier Doumy, Kyle Heron, Damien Montange, Siamak Davani, Julien Déglon, Marie Besson, Jules Desmeules, Emmanuel Haffen, Frank Bellivier
BACKGROUND: It is well known that the standard doses of a given drug may not have equivalent effects in all patients. To date, the management of depression remains mainly empirical and often poorly evaluated. The development of a personalized medicine in psychiatry may reduce treatment failure, intolerance or resistance, and hence the burden and costs of mood depressive disorders. The Geneva Cocktail Phenotypic approach presents several advantages including the "in vivo" measure of different cytochromes and transporter P-gp activities, their simultaneous determination in a single test, avoiding the influence of variability over time on phenotyping results, the administration of low dose substrates, a limited sampling strategy with an analytical method developed on DBS analysis...
November 7, 2017: BMC Pharmacology & Toxicology
https://www.readbyqxmd.com/read/29102172/effects-of-chronic-pollution-and-water-flow-intermittency-on-stream-biofilms-biodegradation-capacity
#11
Marko Rožman, Vicenç Acuña, Mira Petrović
A mesocosm case study was conducted to gain understanding and practical knowledge on biofilm emerging contaminants biodegradation capacity under stressor and multiple stressor conditions. Two real life scenarios: I) biodegradation in a pristine intermittent stream experiencing acute pollution and II) biodegradation in a chronically polluted intermittent stream, were examined via a multifactorial experiment using an artificial stream facility. Stream biofilms were exposed to different water flow conditions i...
October 25, 2017: Environmental Pollution
https://www.readbyqxmd.com/read/29100959/steroidogenic-disruptive-effects-of-the-serotonin-noradrenaline-reuptake-inhibitors-duloxetine-venlafaxine-and-tramadol-in-the-h295r-cell-assay-and-in-a-recombinant-cyp17-assay
#12
Julie Islin, Cecilie Hurup Munkboel, Bjarne Styrishave
The aim of this study was to determine the steroidogenic endocrine disrupting effect of three widely used serotonin-noradrenaline reuptake inhibitors duloxetine, venlafaxine and tramadol, using two in vitro models, the H295R assay and a recombinant CYP17 enzyme assay. Steroid hormones were quantified using LC-MS/MS. Duloxetine showed endocrine disrupting effects at 5-20μM with CYP17 being the main target. Venlafaxine also affected the steroidogenesis, mainly by affecting the CYP17 lyase reaction, although at much higher concentrations i...
October 31, 2017: Toxicology in Vitro: An International Journal Published in Association with BIBRA
https://www.readbyqxmd.com/read/29099859/agomelatine-venlafaxine-and-running-exercise-effectively-prevent-anxiety-and-depression-like-behaviors-and-memory-impairment-in-restraint-stressed-rats
#13
Sarawut Lapmanee, Jantarima Charoenphandhu, Jarinthorn Teerapornpuntakit, Nateetip Krishnamra, Narattaphol Charoenphandhu
Several severe stressful situations, e.g., natural disaster, infectious disease out break, and mass casualty, are known to cause anxiety, depression and cognitive impairment, and preventive intervention for these stress complications is worth exploring. We have previously reported that the serotonin-norepinephrine-dopamine reuptake inhibitor, venlafaxine, as well as voluntary wheel running are effective in the treatment of anxiety- and depression-like behaviors in stressed rats. But whether they are able to prevent deleterious consequences of restraint stress in rats, such as anxiety/depression-like behaviors and memory impairment that occur afterward, was not known...
2017: PloS One
https://www.readbyqxmd.com/read/29075232/the-efficacy-of-venlafaxine-flunarizine-and-valproic-acid-in-the-prophylaxis-of-vestibular-migraine
#14
Fenye Liu, Tianbao Ma, Xiaolin Che, Qirong Wang, Shudong Yu
BACKGROUND: Different types of medications are currently used in vestibular migraine (VM) prophylaxis, although recommendations for use are generally based on expert opinion rather than on solid data from randomized trials. We evaluated the efficacy and safety of venlafaxine, flunarizine, and valproic acid in a randomized comparison trial for VM prophylaxis. METHODS: Subjects were randomly allocated to one of three groups (venlafaxine group, flunarizine group, and valproic acid group)...
2017: Frontiers in Neurology
https://www.readbyqxmd.com/read/29073751/paroxetine-versus-venlafaxine-and-escitalopram-in-korean-patients-with-major-depressive-disorder-a-randomized-rater-blinded-six-week-study
#15
Young Sup Woo, Roger S McIntyre, Jung-Bum Kim, Min-Soo Lee, Jae-Min Kim, Hyeon Woo Yim, Tae-Youn Jun
Objective: The purpose of this study was to compare the efficacy and safety of escitalopram, paroxetine and venlafaxine in Korean patients with major depressive disorder (MDD). Methods: A total of 449 Korean MDD patients were recruited in a six-week, randomized, rater-blinded, active-controlled trial and were evenly randomized to paroxetine, venlafaxine, or escitalopram treatment. Results: When comparing the mean difference for the Montgomery-Åsberg Depression Rating Scale (MADRS) and the Hamilton Depression Rating Scale (HDRS) total scores during six weeks, paroxetine (-6...
November 30, 2017: Clinical Psychopharmacology and Neuroscience: the Official Scientific Journal of the Korean College of Neuropsychopharmacology
https://www.readbyqxmd.com/read/29063718/glut1-mediated-venlafaxine-tds-glucose-conjugates-with-lock-in-function-for-cns-delivery
#16
Yi Zhao, Li Zhang, Yao Peng, Qiming Yue, Li Hai, Li Guo, Qiantao Wang, Yong Wu
Venlafaxine, a novel third generation antidepressant drug, has been described as a reference treatment for major depression in clinical, owing to its ability of inhibiting both noradrenalin and serotonin neuronal reuptake, and inhibiting dopamine reuptake slightly. However, its clinical application is hampered by a limited brain distribution. Glucosylation is an effective way to enhance the brain targeting ability of drugs, but the bidirectional transport of glucose transporter 1 (GLUT1 ) might decrease the concentrations of venlafaxine-glucose (V-G) in brain before the release of parent drug venlafaxine...
October 24, 2017: Chemical Biology & Drug Design
https://www.readbyqxmd.com/read/29061554/stopping-antidepressants-and-anxiolytics-as-major-concerns-reported-in-online-health-communities-a-text-mining-approach
#17
Adeline Abbe, Bruno Falissard
BACKGROUND: Internet is a particularly dynamic way to quickly capture the perceptions of a population in real time. Complementary to traditional face-to-face communication, online social networks help patients to improve self-esteem and self-help. OBJECTIVE: The aim of this study was to use text mining on material from an online forum exploring patients' concerns about treatment (antidepressants and anxiolytics). METHODS: Concerns about treatment were collected from discussion titles in patients' online community related to antidepressants and anxiolytics...
October 23, 2017: JMIR Mental Health
https://www.readbyqxmd.com/read/29058041/dihydromyricetin-exerts-a-rapid-antidepressant-like-effect-in-association-with-enhancement-of-bdnf-expression-and-inhibition-of-neuroinflammation
#18
Zhaoxiang Ren, Pengju Yan, Liushuai Zhu, Huicui Yang, Yafei Zhao, Brian P Kirby, John L Waddington, Xuechu Zhen
RATIONALE: Major depressive disorder (MDD) is a highly prevalent illness that affects large populations across the world, and increasing evidence suggests that neuroinflammation and levels of brain-derived neurotrophic factor (BDNF) are closely related to depression. Dihydromyricetin (DHM) is a kind of flavonoid natural product that has been reported to display multiple pharmacological effects, including anti-inflammatory and anti-oxidative properties, and these may contribute to ameliorate MDD...
October 20, 2017: Psychopharmacology
https://www.readbyqxmd.com/read/29055264/differences-in-immunomodulatory-properties-between-venlafaxine-and-paroxetine-in-patients-with-major-depressive-disorder
#19
Chun-Yen Chen, Yi-Wei Yeh, Shin-Chang Kuo, Chih-Sung Liang, Pei-Shen Ho, Chang-Chih Huang, Che-Hung Yen, Jia-Fwu Shyu, Ru-Band Lu, San-Yuan Huang
Inflammatory processes play a crucial role in the pathophysiology of depression, and identifying the specific cytokines targeted by different antidepressants is important for personalized treatment. The aims of this study were to examine whether venlafaxine and paroxetine cause different immunomodulatory effects when used to treat patients with major depression and to clarify the relationships between plasma cytokine levels and the therapeutic effectiveness of these drugs. A total of 91 Han Chinese patients with major depression completed the 8-week paroxetine or venlafaxine treatment and 90 healthy controls were recruited...
October 12, 2017: Psychoneuroendocrinology
https://www.readbyqxmd.com/read/29048739/pharmacotherapy-for-social-anxiety-disorder-sand
#20
REVIEW
Taryn Williams, Coenraad J Hattingh, Catherine M Kariuki, Sean A Tromp, Anton J van Balkom, Jonathan C Ipser, Dan J Stein
BACKGROUND: Recognition is growing that social anxiety disorder (SAnD) is a chronic and disabling disorder, and data from early trials demonstrate that medication may be effective in its treatment. This systematic review is an update of an earlier review of pharmacotherapy of SAnD. OBJECTIVES: To assess the effects of pharmacotherapy for social anxiety disorder in adults and identify which factors (methodological or clinical) predict response to treatment. SEARCH METHODS: We searched the Cochrane Common Mental Disorders Controlled Trials Register (CCMDCTR-Studies and CCMDCTR-References) to 17 August 2015...
October 19, 2017: Cochrane Database of Systematic Reviews
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