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https://www.readbyqxmd.com/read/28644875/estimation-of-the-optimal-dosing-regimen-of-escitalopram-in-dogs-a-dose-occupancy-study-with-11c-dasb
#1
Olivia Taylor, Nick Van Laeken, Ingeborgh Polis, Robrecht Dockx, Lise Vlerick, Andre Dobbeleir, Ingeborg Goethals, Jimmy Saunders, Nele Sadones, Chris Baeken, Filip De Vos, Kathelijne Peremans
Although the favourable characteristics of escitalopram as being the most selective serotonin reuptake inhibitor and having an increased therapeutic efficacy via binding on an additional allosteric binding site of the serotonin transporter, its dosing regimen has not yet been optimized for its use in dogs. This study aimed to estimate the optimal dosing frequency and the required dose for achieving 80% occupancy of the serotonin transporters in the basal ganglia. The dosing frequency was investigated by determining the elimination half-life after a four day oral pre-treatment period with 0...
2017: PloS One
https://www.readbyqxmd.com/read/28644344/treatment-of-functional-abdominal-pain-with-antidepressants-benefits-adverse-effects-and-the-gastroenterologist-s-role
#2
Claire A M Zar-Kessler, Jaime Belkind-Gerson, Suzanne Bender, Braden M Kuo
OBJECTIVES: Pediatric functional abdominal pain is often treated with tricyclic antidepressants (TCAs) and selective serotonin reuptake inhibitors (SSRIs). The aim is investigating antidepressant use for treatment efficacy, correlation of response to psychiatric factors, and impact of adverse effects in regard to physicians' prescribing patterns. METHODS: Retrospective review (2005-2013) children (5-21 years old) with functional abdominal pain treated with SSRI or TCA...
July 2017: Journal of Pediatric Gastroenterology and Nutrition
https://www.readbyqxmd.com/read/28642048/sexual-consequences-of-post-ssri-syndrome
#3
REVIEW
Yacov Reisman
INTRODUCTION: Sexual dysfunctions are well-known side effects of selective serotonin reuptake inhibitor (SSRI) use. Altered libido, erectile dysfunction, vaginal dryness, ejaculatory disorders, and orgasmic problems are frequently reported by patients treated with SSRIs. Moreover, these antidepressant-emergent sexual dysfunctions do not always resolve after discontinuation of the medication and can persist indefinitely. These complaints are termed post-SSRI sexual dysfunctions (PSSD)...
June 19, 2017: Sexual Medicine Reviews
https://www.readbyqxmd.com/read/28639557/effects-of-selective-seratonine-re-uptake-inhibitors-on-meniere-s-disease
#4
Olcay Kıroğlu, Özgür Sürmelioğlu, Mete Kıroğlu
OBJECTIVE: To evaluate the effects of selective serotonin re-uptake inhibitors (SSRIs) on Meniere's disease (MD) on patients who have both MD and generalized anxiety disorder. MATERIALS AND METHODS: All patients were evaluated with neurotologic examination, videonystagmography, audiological tests, and inner ear magnetic resonance imaging. Characteristic history and the evaluation of the patients' vertigo attacks during the attacks were the primary criteria for the diagnosis of MD...
June 21, 2017: Journal of International Advanced Otology
https://www.readbyqxmd.com/read/28633635/maternal-use-of-selective-serotonin-reuptake-inhibitors-during-pregnancy-is-associated-with-hirschsprung-s-disease-in-newborns-a-nationwide-cohort-study
#5
Sebastian Werngreen Nielsen, Perniller Møller Ljungdalh, Jan Nielsen, Bente Mertz Nørgård, Niels Qvist
BACKGROUND: Hirschsprung's disease is a rare condition caused by congenital malformation of the gastrointestinal tract affecting 1:5000 children. Not much is known about risk factors for development of Hirschsprung's disease. Two clinical cases of hirschsprung's disease led to an investigation of the association between maternal use of selective serotonin reuptake inhibitors (SSRIs) during pregnancy and development of Hirschsprung's Disease in the newborn child. The study examined a nationwide, unselected cohort of children born in Denmark from 1 January 1996 until 12 March 2016 (n = 1,256,317)...
June 20, 2017: Orphanet Journal of Rare Diseases
https://www.readbyqxmd.com/read/28633600/direct-comparison-of-tricyclic-and-serotonin-reuptake-inhibitor-antidepressants-in-randomized-head-to-head-trials-in-acute-major-depression-systematic-review-and-meta-analysis
#6
Juan Undurraga, Ross J Baldessarini
BACKGROUND: A comparison across trials conducted over several decades suggested superior efficacy of tricyclic antidepressants (TCAs) over selective serotonin-reuptake inhibitors (SSRIs). However, this outcome may reflect a selective secular decline of responses after randomization to placebo. Remaining uncertainty encouraged direct comparison of the drug-types in trials involving randomized, head-to-head comparisons. METHODS: We systematically identified reports of randomized trials of TCAs versus SSRIs for major depression in several digital databases, and applied standard meta-analytic and multiple-factor regression methods to analyze and pool the findings...
June 1, 2017: Journal of Psychopharmacology
https://www.readbyqxmd.com/read/28629735/chronic-fluoxetine-treatment-enhances-sympathetic-activities-associated-with-abnormality-of-baroreflex-function-in-conscious-normal-rats
#7
Ling-Zong Hong, Keh-Feng Huang, Siu-Wan Hung, Li-Te Kuo
Data regarding the effects of selective serotonin reuptake inhibitors (SSRIs), which are a common type of antidepressants, on cardiovascular autonomic function are inconsistent. The present study was conducted to determine the effects of chronic fluoxetine, an SSRI, on blood pressure, cardiac autonomic nervous activities and baroreflex control of heart rate. Male Sprague-Dawley rats were treated with fluoxetine (10mg/kg·day, p.o.) or saline for 14 weeks. Baroreflex function was determined by the sigmoid logistic method based on the heart rate responses to changes in blood pressure elicited by phenylephrine or sodium nitroprusside infusions...
June 16, 2017: European Journal of Pharmacology
https://www.readbyqxmd.com/read/28629713/the-effects-of-maternal-antidepressant-use-on-offspring-behaviour-and-brain-development-implications-for-risk-of-neurodevelopmental-disorders
#8
REVIEW
Samuel J Millard, Katrina Weston-Green, Kelly A Newell
Approximately 10% of pregnant women are prescribed antidepressant drugs (ADDs), with selective serotonin reuptake inhibitors (SSRIs) the most widely prescribed. SSRIs bind to the serotonin transporter (SERT), blocking the reabsorption of serotonin by the presynaptic neuron and increasing serotonin levels in the synaptic cleft. The serotonergic system regulates a range of brain development processes including neuronal proliferation, migration, differentiation and synaptogenesis. Given the presence of SERT in early brain development, coupled with the ability of SSRIs to cross the placenta and also enter breast milk, concerns have been raised regarding the effects of SSRI exposure on the developing foetus and newborns...
June 16, 2017: Neuroscience and Biobehavioral Reviews
https://www.readbyqxmd.com/read/28628870/affective-disorders-and-completed-suicide-by-self-poisoning-trend-of-using-antidepressants-as-a-method-of-self-poisoning
#9
Sanna Löfman, Helinä Hakko, Arja Mainio, Pirkko Riipinen
The aim of this research was to study the role and trend of antidepressant use as a method of suicide in completed self-poisoning suicides in patients with affective disorders during a 23-year follow up period. The data consisted of 483 completed self-poisoning suicides from 1988 to 2011 in the province of Oulu in Northern Finland (286 men and 197 women). Of the self-poisoning victims, 26.9% (n=130) had hospital-treated unipolar depression and 3.1% (n=15) hospital-treated bipolar disorder. Further, 53.8% (n=70) of those with unipolar depression and 53...
May 21, 2017: Psychiatry Research
https://www.readbyqxmd.com/read/28624702/evaluation-of-the-antidepressant-therapeutic-potential-of-isocyanine-and-pseudoisocyanine-analogues-of-the-organic-cation-decynium-22
#10
Anwen M Krause-Heuer, Rheaclare Fraser-Spears, Jeremy C Dobrowolski, Mark E Ashford, Naomi A Wyatt, Maxine P Roberts, Georgianna G Gould, Wai-Ching Cheah, Clarissa K L Ng, Mohan Bhadbhade, Bo Zhang, Ivan Greguric, Nial J Wheate, Naresh Kumar, Wouter Koek, Paul D Callaghan, Lynette C Daws, Benjamin H Fraser
Herein we describe the synthesis and evaluation of antidepressant properties of seven analogues (1-7) of the low affinity/high capacity transporter blocker decynium-22 (D-22). All analogues (1-7) were synthesized via base promoted coupling reactions between N-alkylated-2-methylquinolinium iodides or N-alkylated-4-methylquinolinium iodides and electrophilic N-alkylated-2-iodoquinolinium iodides. All final compounds were purified by re-crystallization or preparative HPLC and initial evaluation studies included; 1) screening for in vitro α1-adrenoceptor activity (a property that can lead to unwanted side-effects), 2) measuring antidepressant-like activity in a mouse tail suspension test (TST), and 3) measuring effects upon mouse locomotion...
June 7, 2017: European Journal of Medicinal Chemistry
https://www.readbyqxmd.com/read/28623894/-doing-the-right-thing-factors-influencing-gp-prescribing-of-antidepressants-and-prescribed-doses
#11
Chris F Johnson, Brian Williams, Stephen A MacGillivray, Nadine J Dougall, Margaret Maxwell
BACKGROUND: Antidepressant prescribing continues to increase, with 5-16% of adults receiving antidepressants annually. Total prescribing growth is due in part to increased long-term use, greater selective serotonin re-uptake inhibitor (SSRI) use and the use of higher SSRI doses. Evidence does not support routine use of higher SSRI doses for depression treatment, and factors influencing the use of such doses are not well known. The aim of this study was to explore factors influencing GPs' use of antidepressants and their doses to treat depression...
June 17, 2017: BMC Family Practice
https://www.readbyqxmd.com/read/28623788/ssris-antidepressants-in-marine-mussels-from-atlantic-coastal-areas-and-human-risk-assessment
#12
Liliana J G Silva, André M P T Pereira, Helena Rodrigues, Leonor M Meisel, Celeste M Lino, Angelina Pena
Selective serotonin reuptake inhibitors (SSRIs) are among the most prescribed antidepressants nation and worldwide. Their presence in the aquatic environment is known, causing growing pressures in heavily populated coastal areas. For instance, disruption of invertebrate endocrine systems has been described. Since discrete seawater sampling may not be suitable to evaluate such environmental risk, we aimed to assess SSRIs and metabolites in wild Mytilus galloprovincialis, and assess risk to human health. A total of 1225 mussels were sampled during one year along the Portuguese Atlantic coast...
June 14, 2017: Science of the Total Environment
https://www.readbyqxmd.com/read/28623527/updating-the-evidence-of-the-interaction-between-clopidogrel-and-cyp2c19-inhibiting-selective-serotonin-reuptake-inhibitors-a-cohort-study-and-meta-analysis
#13
Katsiaryna Bykov, Sebastian Schneeweiss, Robert J Glynn, Murray A Mittleman, David W Bates, Joshua J Gagne
INTRODUCTION: We previously found that patients who initiate clopidogrel while treated with a cytochrome P450 (CYP) 2C19-inhibiting selective serotonin reuptake inhibitor (SSRI) have a higher risk of subsequent ischemic events than patients treated with other SSRIs. It is not known whether initiating an inhibiting SSRI while treated with clopidogrel will also increase risk of ischemic events. OBJECTIVE: The aim of this study was to assess clinical outcomes following initiation of a CYP2C19-inhibiting SSRI versus initiation of other SSRIs among patients treated with clopidogrel and to update existing evidence on the clinical impact of clopidogrel-SSRI interaction...
June 16, 2017: Drug Safety: An International Journal of Medical Toxicology and Drug Experience
https://www.readbyqxmd.com/read/28622213/selective-serotonin-reuptake-inhibitor-induced-hyponatremia-clinical-implications-and-therapeutic-alternatives
#14
María Varela Piñón, Jaime Adán-Manes
BACKGROUND: Selective serotonin reuptake inhibitors (SSRIs) are widely prescribed among the general population. Despite their benign side effect profile, these drugs can cause significant adverse effects in elderly patients, including severe hyponatremia. We report 1 case of SSRI-induced hyponatremia and review therapeutic alternatives. CASE: We present an 81-year-old male patient treated with sertraline and furosemide who presented with a recent-onset symptomatic hyponatremia...
June 16, 2017: Clinical Neuropharmacology
https://www.readbyqxmd.com/read/28619175/sodium-oxybate-treatment-in-narcolepsy-and-its-effect-on-muscle-tone
#15
Geert Mayer, Andrea Rodenbeck, Karl Kesper
AIMS: To estimate the effect of the compound sodium oxybate (SO) on chin muscle tone in sleep, a re-analysis of the results of the international multicenter study SXB-15 was performed, applying a validated semi-automatic analysis of muscle tone. This analysis distinguishes short (<0.5 s) and long (>0.5 s) muscle activity indices per hour (SMI, LMI) in 116 patients with narcolepsy-cataplexy. While stable stimulant medication was permitted, tricyclics and SSRIs were withdrawn. Polysomnographies were performed at baseline (V5), four weeks after titration of SO to 4...
July 2017: Sleep Medicine
https://www.readbyqxmd.com/read/28616094/arbaclofen-in-fragile-x-syndrome-results-of-phase-3-trials
#16
Elizabeth Berry-Kravis, Randi Hagerman, Jeannie Visootsak, Dejan Budimirovic, Walter E Kaufmann, Maryann Cherubini, Peter Zarevics, Karen Walton-Bowen, Paul Wang, Mark F Bear, Randall L Carpenter
BACKGROUND: Arbaclofen improved multiple abnormal phenotypes in animal models of fragile X syndrome (FXS) and showed promising results in a phase 2 clinical study. The objective of the study is to determine safety and efficacy of arbaclofen for social avoidance in FXS. METHODS: Two phase 3 placebo-controlled trials were conducted, a flexible dose trial in subjects age 12-50 (209FX301, adolescent/adult study) and a fixed dose trial in subjects age 5-11 (209FX302, child study)...
2017: Journal of Neurodevelopmental Disorders
https://www.readbyqxmd.com/read/28615694/selective-serotonin-reuptake-inhibitor-fluoxetine-impairs-e-cadherin-mediated-cell-adhesion-and-alters-calcium-homeostasis-in-pancreatic-beta-cells
#17
Huang-Yu Chang, Shu-Ling Chen, Meng-Ru Shen, Mei-Lang Kung, Lee-Ming Chuang, Yun-Wen Chen
Selective serotonin reuptake inhibitors (SSRIs) are the most commonly prescribed drugs for mood disorders. Long term use of SSRIs is associated with an increased risk of diabetes, but the underlying mechanism(s) remains elusive. E-cadherin-mediated cell-cell adhesion and elevated [Ca(2+)]i are important for insulin release and pancreatic β cell functions. This study aims to investigate whether a SSRI, fluoxetine (Prozac), induces pancreatic β cell dysfunction through affecting E-cadherin and/or [Ca(2+)]i...
June 14, 2017: Scientific Reports
https://www.readbyqxmd.com/read/28608626/serotonergic-5httlpr-rs25531-s-allele-homozygosity-associates-with-violent-suicides-in-male-citalopram-users
#18
Anna-Liina Rahikainen, Salla Majaharju, Jari Haukka, Jukka U Palo, Antti Sajantila
Depressive disorders are involved as a background factor in over 50% of suicide cases. The most widely used antidepressants today are serotonin selective reuptake inhibitors (SSRIs). However, not all users benefit from SSRI medication. Although the overall number of suicides in Finland have decreased notably during the last decade, the annual rate is still relatively high, particularly in male population. In this study, we tested the hypothesis that the genetic variants associated with decreased citalopram efficiency, 5HTTLPR/rs25531, and increased impulsive behavior, MAOA-uVNTR and HTR2B Q20*, are more frequent among citalopram users committing suicide than among the citalopram users in general...
June 13, 2017: American Journal of Medical Genetics. Part B, Neuropsychiatric Genetics
https://www.readbyqxmd.com/read/28596687/relationship-between-use-of-selective-serotonin-reuptake-inhibitors-and-irritable-bowel-syndrome-a-population-based-cohort-study
#19
Wan-Tzu Lin, Yi-Jun Liao, Yen-Chun Peng, Chung-Hsin Chang, Ching-Heng Lin, Hong-Zen Yeh, Chi-Sen Chang
AIM: To investigate the relationship between selective serotonin reuptake inhibitor (SSRI) use and the subsequent development of irritable bowel syndrome (IBS). METHODS: This retrospective, observational, population-based cohort study collected data from Taiwan's National Health Insurance Research Database. A total of 19653 patients newly using SSRIs and 78612 patients not using SSRIs, matched by age and sex at a ratio of 1:4, were enrolled in the study from January 1, 2000 to December 31, 2010...
May 21, 2017: World Journal of Gastroenterology: WJG
https://www.readbyqxmd.com/read/28588509/behavioral-effects-of-a-novel-benzofuranyl-piperazine-serotonin-2c-receptor-agonist-suggest-a-potential-therapeutic-application-in-the-treatment-of-obsessive-compulsive-disorder
#20
Michelle M Rodriguez, Carl Overshiner, J David Leander, Xia Li, Denise Morrow, Richard G Conway, David L Nelson, Karin Briner, Jeffrey M Witkin
Selective serotonin reuptake inhibitors (SSRIs) are the only effective pharmacological treatments for obsessive-compulsive disorder (OCD). Nonetheless, their generally limited efficacy, side-effects, and delayed onset of action require improved medications for this highly prevalent disorder. Preclinical and clinical findings have suggested serotonin2C (5-HT2C) receptors as a potential drug target. Data in rats and mice are presented here on the effects of a novel 5-HT2C receptor agonist ((3S)-3-Methyl-1-[4-(trifluoromethyl)-7-benzofuranyl]-piperazine) (CPD 1) with high potency and full efficacy at 5-HT2C receptors and less potency and partial agonism at 5-HT2A and 5-HT2B receptors...
2017: Frontiers in Psychiatry
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