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https://www.readbyqxmd.com/read/28410959/the-involvement-of-bdnf-creb-signaling-pathways-in-the-pharmacological-mechanism-of-combined-ssri-antipsychotic-treatment-in-schizophrenia
#1
Reef Einoch, Orly Weinreb, Nina Mandiuk, Moussa B H Youdim, Warren Bilker, Henry Silver
Previous studies into the mechanism of SSRI-antipsychotic synergism in our laboratory identified unique changes in the brain, particularly in the γ-aminobutyric acid (GABA)-A receptor and its modulators. This study examined the role of brain derived neurotrophic factor (BDNF)-cAMP response element binding (CREB) protein signaling pathways, including protein kinase B (AKT), glycogen synthase kinase (GSK)-3β and related molecules in the molecular response to haloperidol, fluvoxamine, combined haloperidol+fluvoxamine and clozapine treatments in rat frontal cortex, hippocampus and primary cortical neuronal cultures...
April 11, 2017: European Neuropsychopharmacology: the Journal of the European College of Neuropsychopharmacology
https://www.readbyqxmd.com/read/28371383/determination-of-fluvoxamine-maleate-in-human-urine-and-human-serum-using-alkaline-kmno4-rhodamine-b-chemiluminescence
#2
Dongqin Yang, Yanyan He, Funan Chen
The flow-injection chemiluminescence (FI-CL) behavior of a gold nanocluster (Au NC)-enhanced rhodamine B-KMnO4 system was studied under alkaline conditions for the first time. In the present study, the as-prepared bovine serum albumin-stabilized Au NCs showed excellent stability and reproducibility. The addition of trace levels of fluvoxamine maleate (Flu) led to an obvious decline in CL intensity in the rhodamine B-KMnO4 -Au NCs system, which could be used for quantitative detection of Flu. Under optimized conditions, the proposed CL system exhibited a favorable analytical performance for Flu determination in the range 2 to 100 μg ml(-1) ...
March 29, 2017: Luminescence: the Journal of Biological and Chemical Luminescence
https://www.readbyqxmd.com/read/28361099/a-de-novo-splice-site-mutation-in-ehmt1-resulting-in-kleefstra-syndrome-with-pharmacogenomics-screening-and-behavior-therapy-for-regressive-behaviors
#3
Amit Kumar Mitra, Jessica Dodge, Jody Van Ness, Israel Sokeye, Brian Van Ness
BACKGROUND: Kleefstra syndrome (KS) is a rare autosomal dominant developmental disability, caused by microdeletions or intragenic mutations within the epigenetic regulator gene EHMT1 (euchromatic histone lysine N-methyltransferase 1). In addition to common features of autism, young adult regressive behaviors have been reported. However, the genetic downstream effects of the reported deletions or mutations on KS phenotype have not yet been completely explored. While genetic backgrounds affecting drug metabolism can have a profound effect on therapeutic interventions, pharmacogenomic variations are seldom considered in directing psychotropic therapies...
March 2017: Molecular Genetics & Genomic Medicine
https://www.readbyqxmd.com/read/28342338/antidepressants-and-risk-of-cataract-development-a-population-based-nested-case-control-study
#4
Po-Han Chou, Che-Sheng Chu, Yi-Huei Chen, Min-Yen Hsu, Min-Wei Huang, Tsuo-Hung Lan, Ching-Heng Lin
BACKGROUND: Previous studies demonstrated increased risk of cataract development among users of selective serotonin reuptake inhibitors (SSRIs). However, it remains unknown whether this risk also prevails with the use of other types of antidepressants. The aim of this study was to investigate whether use of antidepressants is associated with an increased risk of cataract development. Moreover, the relationship between binding affinities of serotonin transporter (SERT) of antidepressant and the risk of cataracts is examined...
March 18, 2017: Journal of Affective Disorders
https://www.readbyqxmd.com/read/28315270/sigma-1-receptor-agonists-and-their-clinical-implications-in-neuropsychiatric-disorders
#5
Yakup Albayrak, Kenji Hashimoto
Accumulating evidence suggests that sigma-1 receptors play a role in the pathophysiology of neuropsychiatric diseases, as well as in the mechanisms of some selective serotonin reuptake inhibitors (SSRIs). Among the SSRIs, the order of affinity for sigma-1 receptors is as follows: fluvoxamine > sertraline > fluoxetine > escitalopram > citalopram > paroxetine. Some SSRIs (e.g., fluvoxamine, fluoxetine and escitalopram) and other drugs (donepezil , ifenprodil , dehydroepiandeterone (DHEA)) potentiate nerve-growth factor (NGF)-induced neurite outgrowth in PC12 cells, and these effects could be antagonized by the selective sigma-1 receptor antagonist NE-100...
2017: Advances in Experimental Medicine and Biology
https://www.readbyqxmd.com/read/28286537/smoking-and-antidepressants-pharmacokinetics-a-systematic-review
#6
REVIEW
Pedro Oliveira, Joana Ribeiro, Helena Donato, Nuno Madeira
BACKGROUND: Despite an increasingly recognized relationship between depression and smoking, little is known about how smoking influences antidepressant response and treatment outcomes. The aim of this study was to systematically review the evidence of the impact of smoking on new-generation antidepressants with an emphasis on the pharmacokinetic perspective. METHODS: We present a systematic review of clinical trials comparing the serum levels of new-generation antidepressants in smokers and nonsmokers...
2017: Annals of General Psychiatry
https://www.readbyqxmd.com/read/28243095/influence-of-fluvoxamine-on-plasma-interleukin-6-or-clinical-improvement-in-patients-with-major-depressive-disorder
#7
Reiji Yoshimura, Asuka Katsuki, Kiyokazu Atake, Hikaru Hori, Ryohei Igata, Yuki Konishi
OBJECTIVES: The etiology of depression remains unknown. There is, however, a growing body of evidence that cytokines are involved in the pathophysiology of depression. The aim of this study is to investigate the effects of fluvoxamine on plasma interleukin-6 (IL-6) levels and on clinical improvement of the depressive state. SUBJECTS AND METHODS: Thirty patients who met the DSM-IV criteria for major depressive disorder (MDD) were enrolled in the study. Thirteen were male and 17 were female, and their ages ranged from 26 to 70 years (mean ± standard deviation 45...
2017: Neuropsychiatric Disease and Treatment
https://www.readbyqxmd.com/read/28179152/the-six-most-widely-used-selective-serotonin-reuptake-inhibitors-decrease-androgens-and-increase-estrogens-in-the-h295r-cell-line
#8
Cecilie Hurup Hansen, Lizette Weber Larsen, Amalie Møller Sørensen, Bent Halling-Sørensen, Bjarne Styrishave
Selective serotonin reuptake inhibitors (SSRIs) used as first line of treatment in major depressive disorder (MDD) are known to exert negative effects on the endocrine system and fertility. The aim of the present study was to investigate the possible endocrine disrupting effect of six SSRIs, fluoxetine, paroxetine, citalopram and its active enantiomer escitalopram, sertraline and fluvoxamine using the OECD standardized and validated human in vitro adrenocortical H295R cell assay. All the major steroids, including progestagens, corticosteroids, androgens and estrogens were analysed using a fully validated LC-MS/MS method...
February 5, 2017: Toxicology in Vitro: An International Journal Published in Association with BIBRA
https://www.readbyqxmd.com/read/28129313/clinical-outcomes-of-concomitant-use-of-warfarin-and-selective-serotonin-reuptake-inhibitors-a-multidatabase-observational-cohort-study
#9
Yaa-Hui Dong, Katsiaryna Bykov, Niteesh K Choudhry, Macarius M Donneyong, Krista F Huybrechts, Raisa Levin, Sebastian Schneeweiss, Joshua J Gagne
BACKGROUND: Patients treated with warfarin are often coprescribed selective serotonin reuptake inhibitors (SSRIs) for coexisting depression. Some SSRIs are potent CYP2C9 inhibitors that may increase warfarin plasma concentrations and the risk of bleeding. We aimed to examine the effect of the putative CYP2C9-mediated warfarin-SSRI interaction on clinical outcomes. METHODS: We conducted an observational cohort study among warfarin initiators who had a subsequent SSRI prescription in 5 US claims databases...
January 26, 2017: Journal of Clinical Psychopharmacology
https://www.readbyqxmd.com/read/28013355/effect-of-sildenafil-on-the-activity-of-some-antidepressant-drugs-and-electroconvulsive-shock-treatment-in-the-forced-swim-test-in-mice
#10
Katarzyna Socała, Dorota Nieoczym, Elżbieta Wyska, Piotr Wlaź
Sildenafil, a potent and selective inhibitor of phosphodiesterase type 5, is used clinically to treat erectile dysfunction and pulmonary arterial hypertension. It is often taken by patients suffering from depression and receiving antidepressant drug treatment. However, its influence on the efficacy of antidepressant treatment was not sufficiently studied. Therefore, the aim of the present study was to investigate the influence of sildenafil on the anti-immobility action of several antidepressant drugs (i.e...
April 2017: Naunyn-Schmiedeberg's Archives of Pharmacology
https://www.readbyqxmd.com/read/28005135/psychopharmacotherapy-in-pregnancy-and-breastfeeding
#11
REVIEW
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/27987210/anti-anhedonic-effect-of-selective-serotonin-reuptake-inhibitors-with-affinity-for-sigma-1-receptors-in-picrotoxin-treated-mice
#12
S Hasebe, Y Ago, Y Watabe, S Oka, N Hiramatsu, T Tanaka, C Umehara, H Hashimoto, K Takuma, T Matsuda
BACKGROUND AND PURPOSE: Prefrontal dopamine release by the combined activation of 5-HT1A and sigma-1 (σ1 ) receptors is enhanced by the GABAA receptor antagonist picrotoxin in mice. Here, we examined whether this neurochemical event was accompanied by behavioural changes. EXPERIMENTAL APPROACH: Male mice were treated with picrotoxin to decrease GABAA receptor function. Their anhedonic behaviour was measured using the female encounter test. The expression of c-Fos was determined immunohistochemically...
February 2017: British Journal of Pharmacology
https://www.readbyqxmd.com/read/27939386/impact-of-an-interaction-between-clopidogrel-and-selective-serotonin-reuptake-inhibitors
#13
Katsiaryna Bykov, Sebastian Schneeweiss, Macarius M Donneyong, Yaa-Hui Dong, Niteesh K Choudhry, Joshua J Gagne
Clopidogrel is a pro-drug that requires activation by the cytochrome P450 (CYP) enzyme system. Patients receiving clopidogrel are often treated with selective serotonin reuptake inhibitors (SSRIs) for co-existing depression. SSRIs that inhibit the CYP2C19 enzyme have the potential to reduce the effectiveness of clopidogrel. Using 5 US databases (1998 to 2013), we conducted a cohort study of adults who initiated clopidogrel while being treated with either an SSRI that inhibits CYP2C19 (fluoxetine and fluvoxamine) or a noninhibiting SSRI...
November 16, 2016: American Journal of Cardiology
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
#14
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
https://www.readbyqxmd.com/read/27821711/low-potential-of-basimglurant-to-be-involved-in-drug-drug-interactions-influence-of-non-michaelis-menten-p450-kinetics-on-fraction-metabolized
#15
Stephen Fowler, Elena Guerini, NaHong Qiu, Yumi Cleary, Neil Parrott, Gerard Greig, Navita L Mallalieu
Basimglurant, a novel mGlu5-negative allosteric modulator under development for the treatment of major depressive disorder, is cleared via cytochrome P450 (P450)-mediated oxidative metabolism. Initial enzyme phenotyping studies indicated that CYP3A4/5 dominates basimglurant metabolism and highlights a risk for drug-drug interactions when it is comedicated with strong CYP3A4/5 inhibitors or inactivators; however, a clinical drug-drug interaction (DDI) study using the potent and selective CYP3A4/5 inhibitor ketoconazole resulted in an area under the curve (AUC) AUCi/AUC ratio of only 1...
January 2017: Journal of Pharmacology and Experimental Therapeutics
https://www.readbyqxmd.com/read/27816979/evaluation-of-the-potential-pharmacokinetic-interaction-between-atomoxetine-and-fluvoxamine-in-healthy-volunteers
#16
Ioana Todor, Adina Popa, Maria Neag, Dana Muntean, Corina Bocsan, Anca Buzoianu, Laurian Vlase, Ana-Maria Gheldiu, Corina Briciu
BACKGROUND/AIMS: Attention deficit hyperactivity disorder (ADHD) is frequently associated with other psychiatric pathologies. Therefore, the present study investigated a possible pharmacokinetic interaction between atomoxetine (ATX), a treatment option for ADHD, and an antidepressant, namely, fluvoxamine (FVX). METHODS: Designed as an open-label, non-randomized clinical trial, the study included 2 periods. In period 1 (reference), each subject received ATX 25 mg (single-dose), whereas in period 2 (test), all subjects were given a combination of ATX 25 mg + FVX 100 mg, following a 6-day pretreatment regimen with the enzymatic inhibitor...
2017: Pharmacology
https://www.readbyqxmd.com/read/27811556/duloxetine-augmentation-in-resistant-obsessive-compulsive-disorder-a-double-blind-controlled-clinical-trial
#17
Arash Mowla, Sanaz Boostani, Seyed Ali Dastgheib
INTRODUCTION: The aim of this study is to evaluate the efficacy of duloxetine augmentation in treatment of resistant obsessive-compulsive disorder (OCD). METHODS: This augmentation trial was designed as an 8-week randomized controlled, double-blind study. Forty-six patients experiencing OCD who had failed to respond to at least 12 weeks of treatment with a selective serotonin reuptake inhibitor (fluoxetine, citalopram, or fluvoxamine) were randomly allocated to receive duloxetine or sertraline plus their current anti-OCD treatment...
December 2016: Journal of Clinical Psychopharmacology
https://www.readbyqxmd.com/read/27804252/application-of-tandem-dispersive-liquid-liquid-microextraction-for-the-determination-of-doxepin-citalopram-and-fluvoxamine-in-complicated-samples
#18
Bahareh Fahimirad, Alireza Asghari, Mohammad Bazregar, Maryam Rajabi, Ebrahim Fahimi
A new type of dispersive liquid-liquid microextraction is used for the determination of doxepin, citalopram, and fluvoxamine in aqueous matrices. This method is based upon the tandem utilization of dispersive liquid-liquid microextraction, and by providing a high sample clean-up, it efficiently improves the applicability of the method in complicated matrices. For this purpose, in the first step, the analytes contained in an aqueous sample solution (8.0 mL) were extracted into an organic solvent, and then these analytes were simply back-extracted into an aqueous acceptor phase (50 μL)...
December 2016: Journal of Separation Science
https://www.readbyqxmd.com/read/27803785/fluvoxamine-inhibits-some-inflammatory-genes-expression-in-lps-stimulated-human-endothelial-cells-u937-macrophages-and-carrageenan-induced-paw-edema-in-rat
#19
Laleh Rafiee, Valiollah Hajhashemi, Shaghayegh Haghjooy Javanmard
OBJECTIVES: Fluvoxamine is a well-known selective serotonin reuptake inhibitor (SSRI); Despite its anti-inflammatory effect, little is known about the precise mechanisms involved. In our previous work, we found that IP administration of fluvoxamine produced a noticeable anti-inflammatory effect in carrageenan-induced paw edema in rats. In this study, we aimed to evaluate the effect of fluvoxamine on the expression of some inflammatory genes like intercellular adhesion molecule (ICAM1), vascular cell adhesion molecule (VCAM1), cyclooxygenases2 (COX2), and inducible nitric oxide synthase (iNOS)...
September 2016: Iranian Journal of Basic Medical Sciences
https://www.readbyqxmd.com/read/27771722/inhibitory-effects-of-antidepressants-on-acetylcholine-induced-contractions-in-isolated-guinea-pig-urinary-bladder-smooth-muscle
#20
Junji Uno, Keisuke Obara, Hiroko Suzuki, Satomi Miyatani, Daisuke Chino, Takashi Yoshio, Yoshio Tanaka
BACKGROUND/AIMS: To investigate the potential inhibitory effects of 18 clinically available antidepressants on acetylcholine (ACh)-induced contractions in guinea pig urinary bladder smooth muscle (UBSM) in order to predict whether they may induce voiding impairment. METHODS: Concentration-response curves for ACh-induced contractions in guinea pig UBSM strips were obtained in the absence or presence of selected antidepressants. When inhibitory effects indicated competitive antagonism, pA2 values against ACh were calculated and compared to plausible antidepressant blood concentrations...
2017: Pharmacology
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