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Venlafaxine

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https://www.readbyqxmd.com/read/28101459/venlafaxine-induced-cytotoxicity-towards-isolated-rat-hepatocytes-involves-oxidative-stress-and-mitochondrial-lysosomal-dysfunction
#1
Elham Ahmadian, Hossein Babaei, Alireza Mohajjel Nayebi, Aziz Eftekhari, Mohammad Ali Eghbal
Purpose: Depression is a public disorder worldwide. Despite the widespread use of venlafaxine in the treatment of depression, it has been associated with the incidence of toxicities. Hence, the goal of the current investigation was to evaluate the mechanisms of venlafaxine-induced cell death in the model of the freshly isolated rat hepatocytes. Methods: Collagenase-perfused rat hepatocytes were treated with venlafaxine and other agents. Cell damage, reactive oxygen species (ROS) formation, lipid peroxidation, mitochondrial membrane potential decline, lysosomal damage, glutathione (GSH) level were analyzed...
December 2016: Advanced Pharmaceutical Bulletin
https://www.readbyqxmd.com/read/28087352/engineering-hot-melt-extruded-solid-dispersion-for-controlled-release-of-hydrophilic-drugs
#2
Shuli Zhang, Xuan Meng, Zheng Wang, Aiping Fan, Guocheng Wang, Yanjun Zhao, Yu Tang
It is often challenging to precisely manipulate the release behavior of hydrophilic drugs that is believed to be crucial for a satisfactory therapeutic outcome. The aim of this work was to regulate the dissolution of hydrophilic drug from hot-melt extruded solid dispersion via rational screening of the pore-forming agents. Venlafaxine hydrochloride and Compritol® 888 ATO was selected as the model drug and carrier excipient, respectively. Hydrophilic polyethylene glycol (PEG 6000) and polyvinylpyrolidone (PVP K30) were chosen as the transient pore-forming agents...
January 10, 2017: European Journal of Pharmaceutical Sciences
https://www.readbyqxmd.com/read/28079463/influence-of-abcb1-polymorphisms-and-serum-concentrations-on-venlafaxine-response-in-patients-with-major-depressive-disorder
#3
Gul Ozbey, Feryal Cam Celikel, Birgul Elbozan Cumurcu, Derya Kan, Berna Yucel, Ekrem Hasbek, Ferda Percin, Ismail Cüneyt Guzey, Canan Uluoglu
BACKGROUND: The pharmacokinetics and the pharmacodynamics of antidepressants show large inter-individual variations which result in unpredictable clinical responses. AIM: The aim of the study was to examine the effect of ABCB1 polymorphisms and the serum concentrations on the efficacy and tolerability of venlafaxine in patients with major depressive disorder (MDD). METHODS: Fifty-two outpatients who met the Diagnostic and Statistical Manual of Mental Disorders Fourth Edition (DSM-IV) criteria for MDD were recruited for the study...
January 12, 2017: Nordic Journal of Psychiatry
https://www.readbyqxmd.com/read/28076672/prenatal-psychostimulant-and-antidepressant-exposure-and-risk-of-hypertensive-disorders-of-pregnancy
#4
D Jeffrey Newport, Amy L Hostetter, Sarah H Juul, Sunny M Porterfield, Bettina T Knight, Zachary N Stowe
OBJECTIVE: To investigate the association, if any, of prenatal mental illness and psychotropic exposure with the risk of hypertensive disorders of pregnancy (HDP). METHODS: A case-cohort analysis was conducted of 686 pregnant women participating in prospective, longitudinal observational studies in a tertiary referral center between January 1998 and May 2012. Risk estimates were produced using multivariate logistic regression modeling. Medication- and diagnosis-specific data were utilized to conduct post hoc confirmatory analyses of the risk estimates...
November 2016: Journal of Clinical Psychiatry
https://www.readbyqxmd.com/read/28074989/-antidepressants-agents-in-breast-cancer-patients-using-tamoxifen-review-of-basic-and-clinical-evidence
#5
María Elisa Irarrázaval O, Leonardo Gaete G
Tamoxifen (Tmf), is a standard of care for women with estrogen receptor positive (ER+) breast cancer. Endoxifen is a Tmf metabolite generated by cytochrome P450 2D6 (CYP2D6). Antidepressive agents (AD) are often prescribed to women with breast cancer not only for depression, but also for anxiety and hot flashes. Some AD are substrates or inhibitors of the Tmf metabolic pathway. Therefore there may be interactions when Tmf and AD are prescribed simultaneously. Oncologic protection afforded by Tmf may become less effective or null when AD are indicated, especially in poor metabolizing patients...
October 2016: Revista Médica de Chile
https://www.readbyqxmd.com/read/28068779/norepinephrine-transporter-gene-variants-and-remission-from-depression-with-venlafaxine-treatment-in-older-adults
#6
Victoria S Marshe, Malgorzata Maciukiewicz, Soham Rej, Arun K Tiwari, Etienne Sibille, Daniel M Blumberger, Jordan F Karp, Eric J Lenze, Charles F Reynolds, James L Kennedy, Benoit H Mulsant, Daniel J Müller
OBJECTIVE: The primary objective of this study was to investigate five putatively functional variants of the norepinephrine transporter (SLC6A2, NET) and serotonin transporter (SLC6A4, SERT) genes and remission in depressed older adults treated with venlafaxine. A secondary objective was to analyze 17 other variants in serotonergic system genes (HTR1A, HTR2A, HTR1B, HTR2C, TPH1, TPH2) potentially involved in the mechanism of action of venlafaxine. METHOD: The sample included 350 adults age 60 or older with DSM-IV-defined major depressive disorder and a score of at least 15 on the Montgomery-Åsberg Depression Rating Scale (MADRS)...
January 10, 2017: American Journal of Psychiatry
https://www.readbyqxmd.com/read/28045162/biochemical-effects-of-venlafaxine-on-astrocytes-as-revealed-by-1-h-nmr-based-metabolic-profiling
#7
Lu Sun, Liang Fang, Bin Lian, Jin-Jun Xia, Chan-Juan Zhou, Ling Wang, Qiang Mao, Xin-Fa Wang, Xue Gong, Zi-Hong Liang, Shun-Jie Bai, Li Liao, Yu Wu, Peng Xie
As a serotonin-norepinephrine reuptake inhibitor [SNRI], venlafaxine is one of the most commonly prescribed clinical antidepressants, with a broad range of antidepressant effects. Accumulating evidence shows that venlafaxine may target astrocytes to exert its antidepressant activity, although the underlying pharmacological mechanisms remained largely unknown. Here, we used a (1)H nuclear magnetic resonance (NMR)-based metabonomics method coupled with multivariate statistical analysis to characterize the metabolic profiling of astrocytes treated with venlafaxine to explore the potential mechanism of its antidepressant effect...
January 3, 2017: Molecular BioSystems
https://www.readbyqxmd.com/read/28040196/aquatic-concentrations-of-chemical-analytes-compared-to-ecotoxicity-estimates
#8
Mitchell S Kostich, Robert W Flick, Angela L Batt, Heath E Mash, J Scott Boone, Edward T Furlong, Dana W Kolpin, Susan T Glassmeyer
We describe screening level estimates of potential aquatic toxicity posed by 227 chemical analytes that were measured in 25 ambient water samples collected as part of a joint USGS/USEPA drinking water plant study. Measured concentrations were compared to biological effect concentration (EC) estimates, including USEPA aquatic life criteria, effective plasma concentrations of pharmaceuticals, published toxicity data summarized in the USEPA ECOTOX database, and chemical structure-based predictions. Potential dietary exposures were estimated using a generic 3-tiered food web accumulation scenario...
February 1, 2017: Science of the Total Environment
https://www.readbyqxmd.com/read/28005135/psychopharmacotherapy-in-pregnancy-and-breastfeeding
#9
Salvatore Giovanni Vitale, Antonio Simone Laganà, Maria Rosaria Anna Muscatello, Valentina Lucia La Rosa, Veronica Currò, Gianluca Pandolfo, Rocco Antonio Zoccali, Antonio Bruno
Importance: Fifteen percent to 20% of pregnant women suffer from mental disorders, and 86% of them are not treated due to potential teratogenic risks for the fetus. Several drugs seem to be safe during pregnancy but knowledge regarding risks of antenatal exposure to drugs is still limited. Objective: The aim of this article is to provide a review of literature, data, and a clinical guideline concerning the treatment and management of mental disorders during pregnancy and lactation...
December 2016: Obstetrical & Gynecological Survey
https://www.readbyqxmd.com/read/27976562/venlafaxine-intoxication-in-an-adolescent-presenting-with-severe-lactic-acidosis
#10
İrem Eldem, Tanıl Kendirli, Ebru Azapağası, Gülşah Özdemir, Çisem Yıldız, Mehmet Mustafa Yılmaz, Özlem Karataşoğlu, Elif Benderlioğlu
Venlafaxine is a selective serotonin noradrenaline reuptake inhibitor and commonly prescribed antidepressant in adults. Most patients overdosing with venlafaxine develop only mild symptoms. Severe toxicity is reported with the most common symptoms being CNS depression, serotonin toxicity, seizure, or cardiac conduction abnormalities. However, lactic acidosis is an uncommon adverse effect. Here, we present the first case in the literature reporting lactic acidosis due to venlafaxine overuse in an adolescent.
2016: Turkish Journal of Pediatrics
https://www.readbyqxmd.com/read/27972892/cost-utility-analysis-evaluating-vortioxetine-versus-venlafaxine-xr-and-agomelatine-in-the-treatment-of-major-depressive-disorder-in-taiwan
#11
M Brignone, K Atsou, C Reynaud-Mougin, W Chen, D Milea
No abstract text is available yet for this article.
November 2016: Value in Health: the Journal of the International Society for Pharmacoeconomics and Outcomes Research
https://www.readbyqxmd.com/read/27931774/neonatal-venlafaxine-discontinuation-syndrome-a-mini-review
#12
REVIEW
Jonathon Holland, Richard Brown
During pregnancy, the developing fetal brain may be exposed to a range of psychotropic medications. The serotonin-noradrenergic reuptake inhibitor venlafaxine is one such drug, when used as a maternal antidepressant. Here we review the discontinuation phenomenon that may follow in exposed neonates following birth. Adults who abruptly stop taking venlafaxine can experience withdrawal symptoms. Venlafaxine and its metabolites cross the placenta and so the newborn can be exposed to this risk, as well as potential toxicity...
November 25, 2016: European Journal of Paediatric Neurology: EJPN
https://www.readbyqxmd.com/read/27931233/venlafaxine-ameliorates-the-depression-like-behaviors-and-hippocampal-s100b-expression-in-a-rat-depression-model
#13
Chang-Hong Wang, Jing-Yang Gu, Xiao-Li Zhang, Jiao Dong, Jun Yang, Ying-Li Zhang, Qiu-Fen Ning, Xiao-Wen Shan, Yan Li
BACKGROUND: Accumulating evidence has indicated that S100B may be involved in the pathophysiology of depression. No published study has examined the effect of the antidepressant drug venlafaxine on S100B in animal models of depression. This study investigated S100B expression in the hippocampus and assessed the effect of venlafaxine on S100B mRNA level and protein expression in rats exposed to chronic unpredictable mild stress (CUMS). METHODS: Forty Sprague-Dawley rats were randomly divided into four groups as control, 0, 5 and 10 mg venlafaxine groups...
December 8, 2016: Behavioral and Brain Functions: BBF
https://www.readbyqxmd.com/read/27929271/hormone-therapy-and-other-treatments-for-symptoms-of-menopause
#14
D Ashley Hill, Mark Crider, Susan R Hill
The results of large clinical trials have led physicians and patients to question the safety of hormone therapy for menopause. In the past, physicians prescribed hormone therapy to improve overall health and prevent cardiac disease, as well as for symptoms of menopause. Combined estrogen/progestogen therapy, but not estrogen alone, increases the risk of breast cancer when used for more than three to five years. Therefore, in women with a uterus, it is recommended that physicians prescribe combination therapy only to treat menopausal symptoms such as vasomotor symptoms (hot flashes) and vaginal atrophy, using the smallest effective dosage for the shortest possible duration...
December 1, 2016: American Family Physician
https://www.readbyqxmd.com/read/27871747/impact-of-external-carbon-dose-on-the-removal-of-micropollutants-using-methanol-and-ethanol-in-post-denitrifying-moving-bed-biofilm-reactors
#15
Elena Torresi, Mònica Escolà Casas, Fabio Polesel, Benedek G Plósz, Magnus Christensson, Kai Bester
Addition of external carbon sources to post-denitrification systems is frequently used in wastewater treatment plants to enhance nitrate removal. However, little is known about the fate of micropollutants in post-denitrification systems and the influence of external carbon dosing on their removal. In this study, we assessed the effects of two different types and availability of commonly used carbon sources -methanol and ethanol- on the removal of micropollutants in biofilm systems. Two laboratory-scale moving bed biofilm reactors (MBBRs), containing AnoxKaldnes K1 carriers with acclimated biofilm from full-scale systems, were operated in continuous-flow using wastewater dosed with methanol and ethanol, respectively...
January 1, 2017: Water Research
https://www.readbyqxmd.com/read/27866243/monitoring-of-adherence-to-headache-treatments-by-means-of-hair-analysis
#16
Anna Ferrari, Manuela Licata, Cecilia Rustichelli, Carlo Baraldi, Daniele Vandelli, Filippo Marchesi, Federica Palazzoli, Patrizia Verri, Enrico Silingardi
PURPOSE: The aim of this study was to evaluate the potential of hair analysis to monitor medication adherence in headache patients undergoing chronic therapy. For this purpose, the following parameters were analyzed: the detection rate of 23 therapeutic drugs in headache patients' hair, the degree of agreement between the self-reported drug and the drug found in hair, and whether the levels found in hair reflected the drug intake reported by the patients. METHODS: The study included 93 patients suffering from primary headaches declaring their daily intake of at least one of the following drugs during the 3 months before the hair sampling: alprazolam, amitriptyline, citalopram, clomipramine, clonazepam, delorazepam, diazepam, duloxetine, fluoxetine, flurazepam, levomepromazine, levosulpiride, lorazepam, lormetazepam, mirtazapine, paroxetine, quetiapine, sertraline, topiramate, trazodone, triazolam, venlafaxine, and zolpidem...
November 20, 2016: European Journal of Clinical Pharmacology
https://www.readbyqxmd.com/read/27842767/drug-hepatotoxicity-newer-agents
#17
REVIEW
Chalermrat Bunchorntavakul, K Rajender Reddy
Idiosyncratic hepatotoxicity is one of the most common reasons for an approved drug being restricted. This article focuses on hepatotoxicity of selected and recently introduced agents, such as, tyrosine kinase inhibitors, monoclonal antibodies, novel oral anticoagulants, newer antiplatelets, antibiotics, anti-diabetics, anti-epileptics, anti-depressants, anti-psychotics and anti-retrovirals. Overall, the incidence of clinically relevant hepatotoxicity from newer agents seems to be lower than that of the older agents...
February 2017: Clinics in Liver Disease
https://www.readbyqxmd.com/read/27837032/treatment-of-neuropathic-pain-with-venlafaxine-a-systematic-review
#18
REVIEW
Rohit Aiyer, Robert L Barkin, Anurag Bhatia
OBJECTIVE : To investigate the efficacy of venlafaxine for neuropathic pain and review literature to determine if the medication provides adequate neuropathic pain relief. METHODS : Literature was reviewed on MEDLINE using various key words. These key words include: "venlafaxine and pain," "venlafaxine ER and pain," "venlafaxine XR and pain," "venlafaxine and neuropathic pain," "venlafaxine and neuropathy," "SSRI and neuropathic pain," "SSRI and neuropathy," "SNRI and neuropathic pain," "SNRI and neuropathy," "serotonin reuptake inhibitor and neuropathic pain," "serotonin reuptake inhibitor and neuropathy," "serotonin norepinephrine reuptake inhibitor and neuropathic pain" and "serotonin norepinephrine reuptake inhibitor and neuropathy...
November 11, 2016: Pain Medicine: the Official Journal of the American Academy of Pain Medicine
https://www.readbyqxmd.com/read/27825327/treatment-of-trauma-affected-refugees-with-venlafaxine-versus-sertraline-combined-with-psychotherapy-a-randomised-study
#19
Charlotte Sonne, Jessica Carlsson, Per Bech, Ask Elklit, Erik Lykke Mortensen
BACKGROUND: The prevalence of trauma-related psychiatric disorders is high among refugees. Despite this, little is known about the effect of pharmacological treatment for this patient group. The objective of the present study was therefore to examine differences in the effects of venlafaxine and sertraline on Post-Traumatic Stress Disorder (PTSD), depression and functional impairment in trauma-affected refugees. METHODS: The study was a randomised pragmatic trial comparing venlafaxine and sertraline in combination with psychotherapy and social counselling...
November 8, 2016: BMC Psychiatry
https://www.readbyqxmd.com/read/27822048/analysis-of-treatment-patterns-and-persistence-on-branded-and-generic-medications-in-major-depressive-disorder-using-retrospective-claims-data
#20
Caitlyn T Solem, Ahmed Shelbaya, Yin Wan, Chinmay G Deshpande, Jose Alvir, Elizabeth Pappadopulos
BACKGROUND: In major depressive disorder (MDD), treatment persistence is critical to optimize symptom remission, functional recovery, and health care costs. Desvenlafaxine tends to have fewer drug interactions and better tolerability than other MDD drugs; however, its use has not been assessed in the real world. OBJECTIVE: The aim of the present study is to compare medication persistence and concomitant MDD drug use with branded desvenlafaxine (Pristiq(®)) compared with antidepressant drug groups classified as 1) branded selective serotonin reuptake inhibitors (SSRIs; ie, escitalopram [Lexapro™]) and selective serotonin-norepinephrine reuptake inhibitors (SNRIs; ie, venlafaxine [Effexor(®)], duloxetine [Cymbalta(®)]) and 2) generic SSRIs/SNRIs (ie, escitalopram, citalopram, venlafaxine, fluvoxamine, fluoxetine, sertraline, paroxetine, and duloxetine)...
2016: Neuropsychiatric Disease and Treatment
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