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Peter P Fong, Taylor B S Bury, Elizabeth E Donovan, Olivia J Lambert, Julia R Palmucci, Stephnie K Adamczak
Exposure to human antidepressants has been shown to disrupt locomotion and other foot-mediated mechanisms in aquatic snails. We tested the effect of three selective serotonin reuptake inhibitor (SSRI)- and one selective serotonin-norepinephrine reuptake inhibitor (SNRI)-type antidepressants on the righting response in the marine snail, Ilyanassa obsoleta. All four antidepressants (fluoxetine, sertraline, paroxetine, venlafaxine) significantly increased righting time compared with controls with an exposure time as short as 1 h...
October 17, 2016: Environmental Science and Pollution Research International
Ana Belén Mañas-Martínez, Alicia Aragoneses-Calvo, Ana Matei, Sylvie Ojeda-Rodríguez, Pilar García-Durruti
No abstract text is available yet for this article.
October 14, 2016: Endocrinología y Nutrición: órgano de la Sociedad Española de Endocrinología y Nutrición
Jana Hovancakova, Georgios Schoretsanitis, Michael Grözinger, Gerhard Gründer, Michael Paulzen
No abstract text is available yet for this article.
October 4, 2016: Journal of Clinical Psychopharmacology
D Lelic, I W D Fischer, A E Olesen, C D Mørch, F G Arguissain, J A B Manresa, A Dahan, A M Drewes
Severe pain is often treated with opioids. Antidepressants that inhibit serotonin and norepinephrine reuptake (SNRI) have also shown a pain relieving effect, but for both SNRI and opioids the specific mode of action in humans remains vague. This study investigated how oxycodone and venlafaxine affect spinal and supraspinal pain processing. Twenty volunteers were included in this randomized cross-over study comparing five-day treatment with venlafaxine, oxycodone and placebo. As a proxy of the spinal pain transmission, the nociceptive withdrawal reflex (NWR) to electrical stimulation on the sole of the foot was recorded at the tibialis anterior muscle before and after five days of treatment...
October 17, 2016: European Journal of Neuroscience
S Gibiino, A Trappoli, B Balzarro, A R Atti, D De Ronchi
A 71-year-old man developed coma with severe respiratory failure, hypotension, and tachycardia induced by the intentional ingestion of quetiapine fumarate extended release (XR) 20 g. At the time, he had been treated for bipolar depression with venlafaxine 75 mg/day, lamotrigine 100 mg/day, pregabalin 75 mg/day, and quetiapine XR 400 mg/day for approximately 1 year. Comorbidities were hypertension treated with metoprolol, diabetes mellitus type 2 treated with metformin, and benign prostatic hyperplasia treated with silodosin...
December 2015: Drug Saf Case Rep
Patricia Pilkinton, Carlos Berry, Seth Norrholm, Al Bartolucci, Badari Birur, Lori L Davis
OBJECTIVE: Selective serotonin reuptake inhibitors (SSRIs) remain the first-line treatment for posttraumatic stress disorder (PTSD). However, adjunctive atypical antipsychotics are often used to target residual or refractory symptoms. Asenapine is a novel atypical antipsychotic that possesses a high serotonin (5-HT2A) to dopamine (D2) affinity ratio and alpha-adrenergic antagonism, which may be advantageous in treating PTSD. This pilot study aimed to identify the therapeutic potential of asenapine as an adjunctive treatment for PTSD...
August 15, 2016: Psychopharmacology Bulletin
Jasmine E Carpenter, Juliette Fombi, Otoobong Udoka, Vicenzio Holder-Perkins
No abstract text is available yet for this article.
2016: Primary Care Companion to CNS Disorders
John E Madias
No abstract text is available yet for this article.
October 1, 2016: International Journal of Cardiology
Gayatri C Patel, Megha Kasarwala
BACKGROUND: The purpose of this study was to investigate the application of a controlled porosity osmotic tablet (CPOT) utilizing solid dispersion (SD) of poorly soluble drug. The patents on Cyclobenzaprine HCl (US4968507 A) and Venlafaxine salts (EP 2085078 A1) helped in selection of drug and polymers. METHOD: The SDs having different ratio of drug to carrier (PVP K 30) were prepared by kneading method and optimized. Effect of three independent variables, total amount of osmogen (mannitol& potassium chloride), total amount of polymer (polyethylene oxide WSR 301, hydroxy propyl methyl cellulose K100 M), and polymer1: polymer 2 ratio was investigated using Box Behnken design...
October 4, 2016: Recent Patents on Drug Delivery & Formulation
Jill Brook Hervik, Trine Stub
PURPOSE: To access frequency and severity of adverse effects (AE) of non-hormonal drugs (NHD) for hot flashes in breast cancer survivors compared to controls and analyze adverse-effect risk by reviewing published randomized trials. METHODS: Cochrane Central Register for Controlled Trials, Embase, Medline, PsycINFO and PubMed databases were searched. Trials were included where participants were survivors of breast cancer suffering from hot flashes, treatment included self-administered venlafaxine, gabapentin or clonidine, and AE were reported...
November 2016: Breast Cancer Research and Treatment
Janne Gierthmühlen, Ralf Baron
Diagnosing neuropathic pain and distinguishing it from nociceptive pain can be challenging, but is essential because both forms of pain require different treatment strategies. The diagnosis of neuropathic pain is primarily based on clinical findings. Therefore, a careful, focused history and an examination of the signs characteristic of neuropathic pain are crucial. Imaging techniques and electrophysiological examinations, as well as punch skin biopsy can support the clinical diagnosis. Ideally, treatment should be individualized using a mechanism-based approach...
October 2016: Seminars in Neurology
Man K Chan, Jason D Cooper, Mariska Bot, Tom K Birkenhager, Veerle Bergink, Hemmo A Drexhage, Johann Steiner, Matthias Rothermundt, Brenda W J H Penninx, Sabine Bahn
Antidepressant treatment for major depressive disorder remains suboptimal with response rates of just over 50%. Although treatment guidelines, algorithms and clinical keys are available to assist the clinician, the process of finding an effective pharmacotherapy to maximise benefit for the individual patient is largely by "trial and error" and remains challenging. This highlights a clear need to identify biomarkers of treatment response to help guide personalised treatment strategies. We have carried out the largest multiplex immunoassay based longitudinal study to date, examining up to 258 serum markers involved in immune, endocrine and metabolic processes as potential biomarkers associated with treatment response in 332 depression patients recruited from four independent clinical centres...
August 31, 2016: Journal of Psychiatric Research
Sarel Jacobus Brand, Brian Herbert Harvey
OBJECTIVE: Post-traumatic stress disorder (PTSD) displays high co-morbidity with major depression and treatment-resistant depression (TRD). Earlier work demonstrated exaggerated depressive-like symptoms in a gene×environment model of TRD and an abrogated response to imipramine. We extended the investigation by studying the behavioural and monoaminergic response to multiple antidepressants, viz. venlafaxine and ketamine with/without imipramine. METHODS: Male Flinders sensitive line (FSL) rats, a genetic model of depression, were exposed to a time-dependent sensitisation (TDS) model of PTSD and compared with stress naive controls...
October 3, 2016: Acta Neuropsychiatrica
Erkki Soini, Taru Hallinen, Mélanie Brignone, Rosanne Campbell, Françoise Diamand, Sandrine Cure, Maria Aalto-Setälä, Natalya Danchenko, Hannu J Koponen, Katarzyna Kolasa
OBJECTIVES: To assess the cost-utility of vortioxetine versus relevant comparators (agomelatine, bupropion SR, sertraline, and venlafaxine XR) in the Finnish setting in major depressive disorder (MDD) patients with inadequate response to selective serotonin- /serotonin-norepinephrine reuptake inhibitors. METHODS: A one-year analysis was conducted using a decision tree with a Markov state transition component. The health states were remission, relapse and recovery...
September 29, 2016: Expert Review of Pharmacoeconomics & Outcomes Research
Anxo Fernández-Ferreiro, Antonio Pose-Reino, Francisco Martinez-Bahamonde, Marion Paris, Emilie Guemas, Miguel González-Barcia, M J Lamas
No abstract text is available yet for this article.
September 2016: Actas Españolas de Psiquiatría
Francisco J Pinel-Ríos, Inmaculada Peñuelas-Calvo, Nuria Cerezo-Ramírez, Omar Hamad-Cueto, Natalia García-Casares
No abstract text is available yet for this article.
September 2016: Actas Españolas de Psiquiatría
Lauren Waterman, Sarah T Stahl, Daniel J Buysse, Eric J Lenze, Daniel Blumberger, Benoit Mulsant, Meryl Butters, Marie Anne Gebara, Charles F Reynolds, Jordan F Karp
BACKGROUND: Obstructive sleep apnea (OSA) is frequently comorbid with late-life depression. The purpose of this project was to determine, using a sample of older adults with major depressive disorder, whether patient-reported diagnosis of OSA was associated with rate of response to venlafaxine. METHODS: Participants from this multisite study were adults ≥60 years old (n = 468) with major depressive disorder and a Montgomery Asberg Depression Rating Scale (MADRS) score of ≥15...
September 16, 2016: Depression and Anxiety
J M Cooper, J A Brown, R Cairns, G K Isbister
CONTEXT: Desvenlafaxine is used to treat major depression. Desvenlafaxine is also the active metabolite of venlafaxine. Venlafaxine overdose can cause serotonin toxicity, seizures and cardiovascular effects, but there is limited information on desvenlafaxine overdose. OBJECTIVE: We aimed at investigating the clinical effects and complications from desvenlafaxine overdose. MATERIALS AND METHODS: This was a retrospective observational study of desvenlafaxine overdoses over a six-year period...
September 13, 2016: Clinical Toxicology
Mingyuan Liu, Yantong Sun, Sen Zhao, Youxin Li, Riyang Piao, Yan Yang, Jingkai Gu
O-Desmethylvenlafaxine (desvenlafaxine, ODV) is the active metabolite of venlafaxine, with similar activity and less risk for pharmacokinetic drug interactions compared to its parent compound venlafaxine. The purpose of this study was to design a series of esters of ODV and assess their potential as ODV prodrugs with improved bioavailability and brain uptake. Seven esters were synthesized and pharmacokinetic screening was performed in rats. The monoester formed on the phenolic hydroxyl of ODV (ODVP-1, ODVP-2, ODVP-3 and ODVP-5) could be degraded to ODV in rat plasma...
September 2016: Experimental and Therapeutic Medicine
Rahul Vasudev, Upamanyu Rampal, Hiten Patel, Kunal Patel, Mahesh Bikkina, Fayez Shamoon
CONTEXT: Takotsubo translates to "octopus pot" in Japanese. Takotsubo cardiomyopathy (TTC) is characterized by a transient regional systolic dysfunction of the left ventricle. Catecholamine excess is the one most studied and favored theories explaining the pathophysiology of TTC. CASE REPORT: We present the case of a 52-year-old Hispanic female admitted for venlafaxine-induced TTC with a review literature on all the cases of Serotonin-norepinephrine reuptake inhibitors (SNRI)-associated TTC published so far...
July 2016: North American Journal of Medical Sciences
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