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https://www.readbyqxmd.com/read/27918771/association-of-selective-serotonin-reuptake-inhibitors-with-the-risk-for-spontaneous-intracranial-hemorrhage
#1
Christel Renoux, Sarah Vahey, Sophie Dell'Aniello, Jean-François Boivin
Importance: Selective serotonin reuptake inhibitors (SSRIs) may increase the risk for spontaneous intracranial hemorrhage (ICH), an effect that is in theory linked to the strength of inhibition of serotonin reuptake of an antidepressant. However, whether antidepressants that are strong inhibitors of serotonin reuptake actually increase the risk for ICH and the effect of concomitant use of antithrombotics are unknown. Objectives: To assess the risk for ICH associated with the use of SSRIs compared with tricyclic antidepressants (TCAs) among new users of antidepressants and according to the relative affinity of the antidepressant for the serotonin transporter and to assess whether concomitant use of antithrombotics modifies this risk...
December 5, 2016: JAMA Neurology
https://www.readbyqxmd.com/read/27916688/effects-of-repeated-treatment-with-a-delta-opioid-receptor-agonist-knt-127-on-hyperemotionality-in-olfactory-bulbectomized-rats
#2
Leo Gotoh, Akiyoshi Saitoh, Misa Yamada, Hideaki Fujii, Hiroshi Nagase, Mitsuhiko Yamada
We previously demonstrated that a single treatment of a non-peptidic delta opioid receptor agonist, KNT-127, has an antidepressant-like effect in rodents in the forced swim test. Here we evaluated the effect of repeated administration of the potential antidepressant KNT-127 in an olfactory-bulbectomized (OBX) rat model. Male Wistar rats (8-12 weeks old) underwent olfactory bulbectomy. From 14days after surgery each was weighed and administered either KNT-127 (3mgkg(-1)/day), the selective serotonin reuptake inhibitor (SSRI) fluoxetine (10mgkg(-1)/day), or vehicle, daily for 14 days...
December 1, 2016: Behavioural Brain Research
https://www.readbyqxmd.com/read/27908769/chronic-citalopram-administration-desensitizes-prefrontal-cortex-but-not-somatodendritic-%C3%AE-2-adrenoceptors-in-rat-brain
#3
Begoña Fernández-Pastor, Jorge E Ortega, Laura Grandoso, Elena Castro, Luisa Ugedo, Ángel Pazos, J Javier Meana
Selective serotonin reuptake inhibitors (SSRIs) regulate brain noradrenergic neurotransmission both at somatodendritic and nerve terminal areas. Previous studies have demonstrated that noradrenaline (NA) reuptake inhibitors are able to desensitize α2-adrenoceptor-mediated responses. The present study was undertaken to elucidate the effects of repeated treatment with the SSRI citalopram on the α2-adrenoceptor sensitivity in locus coeruleus (LC) and prefrontal cortex (PFC), by using in vivo microdialysis and electrophysiological techniques, and in vitro stimulation of [(35)S]GTPγS binding autoradiography...
November 28, 2016: Neuropharmacology
https://www.readbyqxmd.com/read/27906972/selective-serotonin-reuptake-inhibitor-ssri-antidepressants-in-pregnancy-and-congenital-anomalies-analysis-of-linked-databases-in-wales-norway-and-funen-denmark
#4
Sue Jordan, Joan K Morris, Gareth I Davies, David Tucker, Daniel S Thayer, Johannes M Luteijn, Margery Morgan, Ester Garne, Anne V Hansen, Kari Klungsøyr, Anders Engeland, Breidge Boyle, Helen Dolk
BACKGROUND: Hypothesised associations between in utero exposure to selective serotonin reuptake inhibitors (SSRIs) and congenital anomalies, particularly congenital heart defects (CHD), remain controversial. We investigated the putative teratogenicity of SSRI prescription in the 91 days either side of first day of last menstrual period (LMP). METHODS AND FINDINGS: Three population-based EUROCAT congenital anomaly registries- Norway (2004-2010), Wales (2000-2010) and Funen, Denmark (2000-2010)-were linked to the electronic healthcare databases holding prospectively collected prescription information for all pregnancies in the timeframes available...
2016: PloS One
https://www.readbyqxmd.com/read/27904611/selective-serotonin-reuptake-inhibitors-and-cardiovascular-events-a-systematic-review
#5
REVIEW
Mohammad Hassan Nezafati, Ali Eshraghi, Mohammad Vojdanparast, Saeed Abtahi, Pouya Nezafati
BACKGROUND: Given the importance of the role of depression in predicting the outcome of cardiovascular disorders, current medications for treating depression, particularly selective serotonin reuptake inhibitors (SSRIs), are taken into consideration. This study aimed to systematically review the published findings in the use of SSRIs and the risk for cardiac events. MATERIALS AND METHODS: An independent review of the Web of Science, PubMed, Scopus, Cochrane, CINAHL, index Copernicus, and Google Scholar, up to 2014, was performed...
2016: Journal of Research in Medical Sciences: the Official Journal of Isfahan University of Medical Sciences
https://www.readbyqxmd.com/read/27899401/neonatal-and-childhood-neurodevelopmental-health-and-educational-outcomes-of-children-exposed-to-antidepressants-and-maternal-depression-during-pregnancy-protocol-for-a-retrospective-population-based-cohort-study-using-linked-administrative-data
#6
Deepa Singal, Marni Brownell, Dan Chateau, Chelsea Ruth, Laurence Y Katz
INTRODUCTION: Antidepressants are commonly prescribed during pregnancy; however, there are inconsistent data on the safety of these medications during the prenatal period. To address this gap, this study will investigate short-term and long-term neurodevelopmental, physical and mental health, and educational outcomes of children who have been exposed to selective serotonin reuptake inhibitors (SSRIs) or selective serotonin norepinephrine reuptake inhibitors (SNRIs) and/or maternal depression during pregnancy...
November 29, 2016: BMJ Open
https://www.readbyqxmd.com/read/27891703/an-investigation-into-the-inhibitory-function-of-serotonin-in-diffuse-noxious-inhibitory-controls-in-the-neuropathic-rat
#7
K Bannister, S Lockwood, L Goncalves, R Patel, A H Dickenson
BACKGROUND: Following neuropathy α2-adrenoceptor-mediated diffuse noxious inhibitory controls (DNIC), whereby a noxious conditioning stimulus inhibits the activity of spinal wide dynamic range (WDR) neurons, are abolished, and spinal 5-HT7 receptor densities are increased. Here, we manipulate spinal 5-HT content in spinal nerve ligated (SNL) animals and investigate which 5-HT receptor mediated actions predominate. METHODS: Using in vivo electrophysiology we recorded WDR neuronal responses to von frey filaments applied to the hind paw before, and concurrent to, a noxious ear pinch (the conditioning stimulus) in isoflurane-anaesthetised rats...
November 28, 2016: European Journal of Pain: EJP
https://www.readbyqxmd.com/read/27890829/antenatal-exposure-to-antidepressants-is-associated-with-altered-brain-development-in-very-preterm-born-neonates
#8
Samantha K Podrebarac, Emma G Duerden, Vann Chau, Ruth E Grunau, Anne Synnes, Tim F Oberlander, Steven P Miller
BACKGROUND: Antenatal exposure to selective serotonin reuptake inhibitors (SSRI) is associated with an enhanced risk of preterm birth. Very preterm-born neonates (<32-week gestation) antenatally-exposed to SSRIs may show altered brain development. OBJECTIVE: To examine whether antenatal-SSRI exposure was associated with adverse neonatal brain microstructural and metabolic development using diffusion tensor and magnetic resonance spectroscopic imaging. DESIGN/METHODS: Of 177 neonates enrolled, 14 (8%) were antenatally exposed to SSRIs...
November 25, 2016: Neuroscience
https://www.readbyqxmd.com/read/27890559/fluoxetine-and-its-active-metabolite-norfluoxetine-disrupt-estrogen-synthesis-in-a-co-culture-model-of-the-feto-placental-unit
#9
Andrée-Anne Hudon Thibeault, Laetitia Laurent, Sung Vo Duy, Sébastien Sauvé, Patrick Caron, Chantal Guillemette, J Thomas Sanderson, Cathy Vaillancourt
The effects of fluoxetine, one of the most prescribed selective serotonin-reuptake inhibitors (SSRIs) during pregnancy, and its active metabolite norfluoxetine were studied on placental aromatase (CYP19) and feto-placental steroidogenesis Fluoxetine did not alter estrogen secretion in co-culture of fetal-like adrenocortical (H295R) and trophoblast-like (BeWo) cells used as a model of the feto-placental unit, although it induced CYP19 activity, apparently mediated by the serotonin (5-HT) 2A receptor/PKC signalling pathway...
November 24, 2016: Molecular and Cellular Endocrinology
https://www.readbyqxmd.com/read/27882176/effect-of-the-interaction-between-atorvastatin-and-selective-serotonin-reuptake-inhibitors-on-the-blood-redox-equilibrium
#10
Mariola Herbet, Monika Gawrońska-Grzywacz, Magdalena Izdebska, Iwona Piątkowska-Chmiel
Cardiovascular disease and depression often occur simultaneously in the same patient. Long-term polypharmacotherapy can lead to drug-induced oxidative stress. Data concerning the effects of concomitant treatment with atorvastatin and selective serotonin reuptake inhibitors (SSRIs) are lacking. The aim of the present study was to examine oxidative stress parameters in the blood of rats after 28 days treatment with atorvastatin combined with fluoxetine or paroxetine. The study was carried out on male Wistar rats weighing 200-250 g...
November 2016: Experimental and Therapeutic Medicine
https://www.readbyqxmd.com/read/27881180/polypharmacy-and-adverse-outcomes-after-hip-fracture-surgery
#11
Maria Härstedt, Cecilia Rogmark, Richard Sutton, Olle Melander, Artur Fedorowski
BACKGROUND: We aimed to explore the effects of polypharmacy and specific drug classes on readmissions and mortality after hip surgery. METHODS: We analyzed data on 272 consecutive hip fracture patients (72.1% females; age 82 ± 9 years) who underwent acute hip replacement. We collected detailed data on the pharmacological treatment upon admission and discharge. Patients were followed up over a period of 6 months after discharge using the Swedish National Hospital Discharge Register and the Swedish National Cause of Death Register...
November 24, 2016: Journal of Orthopaedic Surgery and Research
https://www.readbyqxmd.com/read/27874994/ssri-and-snri-use-during-pregnancy-and-the-risk-of-persistent-pulmonary-hypertension-of-the-newborn
#12
Anick Bérard, Odile Sheehy, Jin-Ping Zhao, Évelyne Vinet, Sasha Bernatsky, Michal Abrahamowicz
AIM: Use of selective serotonin reuptake inhibitors (SSRIs) in late pregnancy may be associated with an increased risk of persistent pulmonary hypertension of the newborn (PPHN). Limited data are available on the risk of PPHN associated with serotonin norepinephrine reuptake inhibitors (SNRIs). We aimed to quantify both associations. METHODS: Using data from the Quebec Pregnancy Cohort between 1998 and 2009, we included women covered by the provincial drug plan who had a singleton live birth...
November 22, 2016: British Journal of Clinical Pharmacology
https://www.readbyqxmd.com/read/27871966/improvement-in-compensation-for-chronic-poststroke-homonymous-hemianopsia-after-initiation-of-a-selective-serotonin-reuptake-inhibitor-a-case-report
#13
Benjamin A Abramoff, S Byron Milton, Samir R Belagaje
Homonymous hemianopsia (HH) is a common adverse outcome after stroke. Spontaneous improvement more than 6 months poststroke is thought to be unlikely, and traditional visual rehabilitation techniques lack clear evidence of efficacy. The case presented is of a 22-year-old woman who demonstrated improved compensation of her stroke-induced HH after the initiation of a selective serotonin reuptake inhibitor (SSRI). There is evidence supporting the use of SSRIs to improve poststroke cognitive impairment, motor impairment, and depression...
November 18, 2016: PM & R: the Journal of Injury, Function, and Rehabilitation
https://www.readbyqxmd.com/read/27869327/the-selective-serotonin-re-uptake-inhibitor-fluoxetine-directly-inhibits-osteoblast-differentiation-and-mineralization-during-fracture-healing-in-mice
#14
V Bradaschia-Correa, A M Josephson, D Mehta, M Mizrahi, S S Neibart, C Liu, O D Kennedy, A B Castillo, K A Egol, P Leucht
Chronic use of selective serotonin re-uptake inhibitors (SSRI) for the treatment of depression has been linked to osteoporosis. In this study, we investigated the effect of chronic SSRI use on fracture healing in two murine models of bone regeneration. First, we performed a comprehensive analysis of endochondral bone healing in a femur fracture model. C57/BL6 mice treated with fluoxetine, the most commonly prescribed SSRI, developed a normal cartilaginous soft-callus at 14 days after fracture and demonstrated a significantly smaller and biomechanically weaker bony hard-callus at 28 days...
November 21, 2016: Journal of Bone and Mineral Research: the Official Journal of the American Society for Bone and Mineral Research
https://www.readbyqxmd.com/read/27867512/a-service-improvement-project-to-review-prescribing-information-provided-by-general-practitioners-for-new-referrals-to-a-uk-national-health-service-hospital-pain-clinic-potential-implications-of-cyp2d6-enzyme-inhibition
#15
Helen Radford, Pauline Fitzgerald, Stephen Martin, Mark I Johnson
INTRODUCTION: Chronic pain is often managed using co-prescription of analgesics and adjuvants, with concomitant medication prescribed for comorbidities. Patients may have suboptimal response to some analgesics or be at risk of drug interactions or adverse drug reactions (ADRs) due to polypharmacy affecting CYP2D6 enzyme activity. The aim of the service improvement project was to determine the proportion of patients referred to a specialist pain service in the UK National Health Service (NHS) by general practitioners (GPs) who may be at risk of suboptimal analgesic response or ADRs due to CYP2D6 inhibition through polypharmacy...
November 2016: British Journal of Pain
https://www.readbyqxmd.com/read/27844095/antidepressant-effects-of-combination-of-brexpiprazole-and-fluoxetine-on-depression-like-behavior-and-dendritic-changes-in-mice-after-inflammation
#16
Min Ma, Qian Ren, Chun Yang, Ji-Chun Zhang, Wei Yao, Chao Dong, Yuta Ohgi, Takashi Futamura, Kenji Hashimoto
RATIONALE: Addition of low doses of atypical antipsychotic drugs with selective serotonin reuptake inhibitors (SSRIs) could promote a rapid antidepressant effect in treatment-resistant patients with major depression. Brexpiprazole, a new atypical antipsychotic drug, has been used as adjunctive therapy for the treatment of major depression. OBJECTIVES: The present study was undertaken to examine whether brexpiprazole could augment antidepressant effects of the SSRI fluoxetine in an inflammation model of depression...
November 15, 2016: Psychopharmacology
https://www.readbyqxmd.com/read/27834194/risk-of-bleeding-in-patients-on-full-dose-enoxaparin-with-venous-thromboembolism-and-selective-serotonin-reuptake-inhibitors
#17
Nephy G Samuel, Charles F Seifert
BACKGROUND: Selective serotonin reuptake inhibitors (SSRIs) are very commonly prescribed agents that are also potent antiplatelet agents. OBJECTIVE: This study was designed compare the rate of major bleeding events between patients who were treated with low-molecular-weight heparin (LMWH) for venous thromboembolism (VTE) on SSRIs and those not on chronic SSRI therapy. METHODS: This was a retrospective cohort study of 575 patients with a primary or secondary diagnosis of an acute VTE initiated on full-dose enoxaparin with or without an SSRI between October 1, 2009, and October 1, 2014, in a 443-bed, single tertiary care referral county teaching hospital...
November 9, 2016: Annals of Pharmacotherapy
https://www.readbyqxmd.com/read/27831486/ontogeny-of-norepinephrine-transporter-expression-and-antidepressant-like-response-to-desipramine-in-wild-type-and-serotonin-transporter-mutant-mice
#18
Nathan C Mitchell, Melodi A Bowman, Georgianna G Gould, Wouter Koek, Lynette C Daws
Depression is a major public health concern with symptoms that are often poorly controlled by treatment with common antidepressants. This problem is compounded in juveniles and adolescents, because therapeutic options are limited to selective serotonin reuptake inhibitors (SSRIs). Moreover, therapeutic benefits of SSRIs are often especially limited in certain subpopulations of depressed patients, including children and carriers of low-expressing serotonin transporter (SERT) gene variants. Tricyclic antidepressants (TCAs) offer an alternative to SSRIs; however, how age and SERT expression influence antidepressant response to TCAs is not understood...
January 2017: Journal of Pharmacology and Experimental Therapeutics
https://www.readbyqxmd.com/read/27826628/perceptual-interference-processing-in-preschool-children-with-and-without-prenatal-exposure-to-selective-serotonin-reuptake-inhibitors
#19
Tone Kristine Hermansen, Santeri Yrttiaho, Espen Røysamb, Annika Melinder
BACKGROUND: Prenatal exposure to maternal depression, with or without maternal medical antidepressant treatment, may pose a risk to the child's cognitive and behavioral development. Targeting one of the core functions of behavioral regulation, we investigated both behavioral and neural indices of interference suppression in both exposed and control participants at preschool age. METHODS: Children (N = 80, M = 68.60 months, SD = 5.57) with prenatal exposure to maternal depression with (SSRI, N = 21) and without (DEP, N = 33) antidepressant treatment were tested together with unexposed children (CON, N = 26) on a behavioral flanker task while recording event-related potentials (ERPs)...
November 8, 2016: Psychopharmacology
https://www.readbyqxmd.com/read/27826242/fluoxetine-prevents-a%C3%AE-1-42-induced-toxicity-via-a-paracrine-signaling-mediated-by-transforming-growth-factor-%C3%AE-1
#20
Filippo Caraci, Fabio Tascedda, Sara Merlo, Cristina Benatti, Simona F Spampinato, Antonio Munafò, Gian Marco Leggio, Ferdinando Nicoletti, Nicoletta Brunello, Filippo Drago, Maria Angela Sortino, Agata Copani
Selective reuptake inhibitors (SSRIs), such as fluoxetine and sertraline, increase circulating Transforming-Growth-Factor-β1 (TGF-β1) levels in depressed patients, and are currently studied for their neuroprotective properties in Alzheimer's disease. TGF-β1 is an anti-inflammatory cytokine that exerts neuroprotective effects against β-amyloid (Aβ)-induced neurodegeneration. In the present work, the SSRI, fluoxetine, was tested for the ability to protect cortical neurons against 1 μM oligomeric Aβ1-42-induced toxicity...
2016: Frontiers in Pharmacology
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