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https://www.readbyqxmd.com/read/28648276/amitriptyline-and-topiramate-do-not-demonstrate-benefit-in-pediatric-migraine
#1
Saba Ahmad
No abstract text is available yet for this article.
July 2017: Journal of Pediatrics
https://www.readbyqxmd.com/read/28645134/-arterial-hyper-and-hypotension-associated-with-psychiatric-medications-a-risk-assessment-based-on-the-summaries-of-product-characteristics-smpcs
#2
Roland W Freudenmann, Ninja Freudenmann, Bartosz Zurowski, Carlos Schönfeldt-Lecuona, Ludwig Maier, Roland E Schmieder, Christian Lange-Asschenfeldt, Maximilian Gahr
Introduction Psychiatric medications are well-known triggers of clinically relevant blood pressure changes. Therefore, we aimed at creating ranking lists for their risk of causing arterial hyper- or hypotension. Methods We analyzed 784 Summaries of Product characteristics (SmPCs, available online from "Rote Liste" or "Gelbe Liste" websites) from 105 psychiatric medications registered in adult psychiatry in Germany and extracted the standardized reported risks of increasing or decreasing arterial blood pressure...
June 23, 2017: Deutsche Medizinische Wochenschrift
https://www.readbyqxmd.com/read/28633109/endothelial-nlrp3-inflammasome-activation-and-arterial-neointima-formation-associated-with-acid-sphingomyelinase-during-hypercholesterolemia
#3
Saisudha Koka, Min Xia, Yang Chen, Owais M Bhat, Xinxu Yuan, Krishna M Boini, Pin-Lan Li
The NLRP3 inflammasome has been reported to be activated by atherogenic factors, whereby endothelial injury and consequent atherosclerotic lesions are triggered in the arterial wall. However, the mechanisms activating and regulating NLRP3 inflammasomes remain poorly understood. The present study tested whether acid sphingomyelinase (ASM) and ceramide associated membrane raft (MR) signaling platforms contribute to the activation of NLRP3 inflammasomes and atherosclerotic lesions during hypercholesterolemia. We found that 7-ketocholesterol (7-Keto) or cholesterol crystal (ChC) markedly increased the formation and activation of NLRP3 inflammasomes in mouse carotid arterial endothelial cells (CAECs), as shown by increased colocalization of NLRP3 with ASC or caspase-1, enhanced caspase-1 activity and elevated IL-1β levels, which were markedly attenuated by mouse Asm siRNA, ASM inhibitor- amitriptyline, and deletion of mouse Asm gene...
June 15, 2017: Redox Biology
https://www.readbyqxmd.com/read/28616803/amitriptyline-may-have-possibility-to-induce-brugada-syndrome-rather-than-long-qt-syndrome
#4
Nur Jaharat Lubna, Takeshi Wada, Yuji Nakamura, Koki Chiba, Xin Cao, Hiroko Izumi-Nakaseko, Kentaro Ando, Atsuhiko T Naito, Yoshioki Satoh, Atsushi Sugiyama
Amitriptyline has been reported to induce long QT syndrome in addition to Brugada syndrome. We qualitatively and quantitatively analyzed the potential of amitriptyline to induce these lethal syndromes by using the halothane-anesthetized dogs (n = 6). Amitriptyline was intravenously administered in doses of 0.1, 1 and 10 mg/kg over 10 min every 20 min, which would provide approximately 1, 10 and 100 times higher plasma concentrations than a therapeutic one, respectively. The low dose hardly altered any of the cardiovascular variables...
June 14, 2017: Cardiovascular Toxicology
https://www.readbyqxmd.com/read/28605064/characterization-of-the-chloroquine-induced-mouse-model-of-pruritus-using-an-automated-behavioural-system
#5
Gema Tarrasón, Carla Carcasona, Peter Eichhorn, Bibiana Pérez, Amadeu Gavaldà, Núria Godessart
Pruritus is a major symptom of several dermatological diseases but has limited therapeutic options available. Animal models replicating the pathophysiology of pruritus are needed to support the development of new drugs. Induction of pruritus by chloroquine (CQ) in mice is widely used, although, as with similar models, it has low throughput and does not distinguish between anti-pruritic effects and confounding factors such as sedation. To overcome these issues, we incorporated into the model an automated system that measures both scratching and locomotor behaviour simultaneously...
June 12, 2017: Experimental Dermatology
https://www.readbyqxmd.com/read/28604172/opioids-combined-with-antidepressants-or-antiepileptic-drugs-for-cancer-pain-systematic-review-and-meta-analysis
#6
Chris M Kane, Matthew R Mulvey, Sophie Wright, Cheryl Craigs, Judy M Wright, Michael I Bennett
BACKGROUND: Combining antidepressant or antiepileptic drugs with opioids has resulted in increased pain relief when used for neuropathic pain in non-cancer conditions. However, evidence to support their effectiveness in cancer pain is lacking. AIM: To determine if there is additional benefit when opioids are combined with antidepressant or antiepileptic drugs for cancer pain. DESIGN: Systematic review and meta-analysis. Randomised control trials comparing opioid analgesia in combination with antidepressant or antiepileptic drugs versus opioid monotherapy were sought...
June 1, 2017: Palliative Medicine
https://www.readbyqxmd.com/read/28582448/acid-sphingomyelinase-deficiency-enhances-myelin-repair-after-acute-and-chronic-demyelination
#7
Marwan Chami, Ramona Halmer, Laura Schnoeder, Katrin Anne Becker, Carola Meier, Klaus Fassbender, Erich Gulbins, Silke Walter
The cuprizone animal model, also known as the toxic demyelination model, is a well-reproducible model of demyelination- and remyelination in mice, and has been useful in studying important aspect of human demyelinating diseases, including multiple sclerosis. In this study, we investigated the role of acid sphingomyelinase in demyelination and myelin repair by inducing acute and chronic demyelination with 5- or 12-week cuprizone treatment, followed by a 2-week cuprizone withdrawal phase to allow myelin repair...
2017: PloS One
https://www.readbyqxmd.com/read/28578901/pharmacological-treatments-and-risk-of-readmission-to-hospital-for-unipolar-depression-in-finland-a-nationwide-cohort-study
#8
Jari Tiihonen, Antti Tanskanen, Fabian Hoti, Pia Vattulainen, Heidi Taipale, Juha Mehtälä, Markku Lähteenvuo
BACKGROUND: Little is known about the comparative effectiveness of long-term pharmacological treatments for severe unipolar depression. We aimed to study the effectiveness of pharmacological treatments in relapse prevention in a nationwide cohort of patients who had been admitted to hospital at least once as a result of unipolar depression. METHODS: Our nationwide cohort study investigated the risk of readmission to hospital in 1996-2012 in all patients in Finland who had been admitted to hospital at least once for unipolar depression (without a diagnosis of schizophrenia or bipolar disorder) in Finland between Jan 1, 1987, and Dec 31, 2012...
June 1, 2017: Lancet Psychiatry
https://www.readbyqxmd.com/read/28567525/forensic-entomotoxicology-revisited-towards-professional-standardisation-of-study-designs
#9
REVIEW
Erica I T da Silva, Brendan Wilhelmi, Martin H Villet
Forensic entomotoxicology is the use of insects as evidence of whether a toxicant is present in an environment such as a corpse, river or landscape. The earliest overtly forensic study was published in 1977, and since then, at least 63 papers have been published, most of them focused on the detection of toxicants in insects or on effects of toxicants on diverse insect indicator taxa. A comprehensive review of the published literature revealed various inconsistencies between studies that could be addressed by introducing standard protocols for such studies...
May 31, 2017: International Journal of Legal Medicine
https://www.readbyqxmd.com/read/28562550/tricyclic-antidepressants-for-preventing-migraine-in-adults
#10
Xiao-Min Xu, Yang Liu, Mei-Xue Dong, De-Zhi Zou, You-Dong Wei
BACKGROUND: Migraine, ranked as the 7th-highest specific cause of disability worldwide, has caused an enormous burden on the economy and society. Tricyclic antidepressant (TCA) is one of the most commonly drugs for migraine prevention. However, evidence about the efficacy and tolerability of TCAs in the prophylaxis of migraine in adults is somewhat confusing. METHODS: A computerized literature search of the PubMed, Embase, Cochrane, and Web of Science databases from inception to July 2016 was conducted...
June 2017: Medicine (Baltimore)
https://www.readbyqxmd.com/read/28557171/efficacy-and-feasibility-of-antidepressants-for-the-prevention-of-migraine-in-adults-a-meta-analysis
#11
X-M Xu, C Yang, Y Liu, M-X Dong, D-Z Zou, Y-D Wei
BACKGROUND AND PURPOSE: Migraine has greatly impacted the quality of life for migraineurs and was ranked as the seventh highest specific cause of disability worldwide in 2012. Because of the role of serotonin in migraine mechanisms, antidepressants have been used in the prevention of migraine. However, the role of antidepressants for migraine prophylaxis in adults has not been completely established. Our aim was systematically to assess the efficacy and feasibility of antidepressants for the prevention of migraine in adults based on currently available literature...
May 29, 2017: European Journal of Neurology: the Official Journal of the European Federation of Neurological Societies
https://www.readbyqxmd.com/read/28546871/effectiveness-of-amitriptyline-and-lamotrigine-in-neuropathic-pain-after-traumatic-spinal-cord-injuries
#12
Rodrigo L Almeida, Paulo S Beraldo
No abstract text is available yet for this article.
2017: Spinal Cord Series and Cases
https://www.readbyqxmd.com/read/28537441/characteristics-resource-utilization-and-safety-profile-of-patients-prescribed-with-neuropathic-pain-treatments-a-real-world-evidence-study-on-general-practices-in-europe-the-role-of-the-lidocaine-5-medicated-plaster
#13
Pablo Katz, Valeria Pegoraro, Hiltrud Liedgens
OBJECTIVES: To identify characteristics, resource utilization, and safety profile of patients prescribed with lidocaine 5% medicated plaster, pregabalin, gabapentin, amitriptyline and duloxetine when experiencing pain in the real-world setting of general practitioners (GPs) in Europe. METHODS: Retrospective analysis on real world data from IMS Health Longitudinal Patient Database. Patients with at least one prescription of the drugs of interest during 2014 were selected and those with a non-neuropathic pain-related diagnosis were excluded...
June 8, 2017: Current Medical Research and Opinion
https://www.readbyqxmd.com/read/28536367/a-brief-review-of-the-pharmacology-of-amitriptyline-and-clinical-outcomes-in-treating-fibromyalgia
#14
REVIEW
Kim Lawson
Fibromyalgia is a complex chronic condition characterized by pain, physical fatigue, sleep disorder and cognitive impairment. Evidence-based guidelines recommend antidepressants as treatments of fibromyalgia where tricyclics are often considered to have the greatest efficacy, with amitriptyline often being a first-line treatment. Amitriptyline evokes a preferential reduction in pain and fatigue of fibromyalgia, and in the Fibromyalgia Impact Questionnaire (FIQ) score, which is a quality of life assessment. The multimodal profile of the mechanisms of action of amitriptyline include monoamine reuptake inhibition, receptor modulation and ion channel modulation...
May 17, 2017: Biomedicines
https://www.readbyqxmd.com/read/28536363/update-on-treatment-guideline-in-fibromyalgia-syndrome-with-focus-on-pharmacology
#15
REVIEW
Sanam Kia, Ernet Choy
Fibromyalgia syndrome (FMS) is a chronic condition with unknown aetiology. The pathophysiology of the disease is incompletely understood; despite advances in our knowledge with regards to abnormal central and peripheral pain processing, and hypothalamo-pituitary-adrenal dysfunction, there is no clear specific pathophysiological therapeutic target. The management of this complex condition has thus perplexed the medical community for many years, and several national and international guidelines have aimed to address this complexity...
May 8, 2017: Biomedicines
https://www.readbyqxmd.com/read/28535116/is-mannitol-the-treatment-of-choice-for-patients-with-ciguatera-fish-poisoning
#16
Michael E Mullins, Robert S Hoffman
CONTEXT: Ciguatera fish poisoning arises primarily from consumption of carnivorous reef fish caught in tropical and sub-tropical waters. Ciguatoxins, a class of tasteless, heat-stable, polycyclic toxins produced by dinoflagellates, accumulate through the food chain and concentrate in various carnivorous fish, such as groupers, barracudas, wrasses, amberjack, kingfishes, and eels. Characteristics of ciguatera fish poisoning include early nausea, vomiting, and diarrhea in the first one to two days post ingestion, followed by the appearance of sensory disturbances...
May 23, 2017: Clinical Toxicology
https://www.readbyqxmd.com/read/28527083/shared-mechanisms-of-epilepsy-migraine-and-affective-disorders
#17
Davide Zarcone, Simona Corbetta
Since the nineteenth century several clinical features have been observed in common between migraine and epilepsy (such as episodic attacks, triggering factors, presence of aura, frequent familiarity), but only in recent years researchers have really engaged in finding a common pathogenic mechanism. From studies of disease incidence, we understand how either migraine among patients with epilepsy or epilepsy among migraine patients are more frequent than in the general population. This association may result from a direct causality, by the same environmental risk factors and/or by a common genetic susceptibility...
May 2017: Neurological Sciences
https://www.readbyqxmd.com/read/28515139/changes-in-ceramide-metabolism-are-essential-in-madin-darby-canine-kidney-cell-differentiation
#18
Lucila Gisele Pescio, Bruno Jaime Santacreu, Vanina Gisela Lopez, Carlos Humberto Paván, Daniela Judith Romero, Nicolás Octavio Favale, Norma Beatriz Sterin-Speziale
Ceramides and complex sphingolipids with defined acyl-chain lengths play important roles in numerous cell processes. Six ceramide synthase isoenzymes (CerS1-6) are the key enzymes responsible for the production of the diversity of molecular species. In this study, we investigated the changes in sphingolipid metabolism during the differentiation of Madin-Darby Canine Kidney (MDCK) cells. By MALDI TOF TOF MS, we analyzed the molecular species of ceramide (Cer), glucosylceramide (GlcCer), lactosylceramide (LacCer) and sphingomyelin (SM) in non-differentiated and differentiated cells (cultured under hypertonicity)...
May 17, 2017: Journal of Lipid Research
https://www.readbyqxmd.com/read/28511916/pre-treatment-with-amitriptyline-causes-epigenetic-up-regulation-of-neuroprotection-associated-genes-and-has-anti-apoptotic-effects-in-mouse-neuronal-cells
#19
Nguyen Quoc Vuong Tran, An Nghia Nguyen, Kyoko Takabe, Zentaro Yamagata, Kunio Miyake
Antidepressants, such as imipramine and fluoxetine, are known to alter gene expression patterns by inducing changes in the epigenetic status of neuronal cells. There is also some evidence for the anti-apoptotic effect of various groups of antidepressants; however, this effect is complicated and cell-type dependent. Antidepressants of the tricyclic group, in particular amitriptyline, have been suggested to be beneficial in the treatment of neurodegenerative disorders. We examined whether amitriptyline exerts an anti-apoptotic effect via epigenetic mechanisms...
May 13, 2017: Neurotoxicology and Teratology
https://www.readbyqxmd.com/read/28508174/preclinical-comparison-of-mechanistically-different-antiseizure-antinociceptive-and-or-antidepressant-drugs-in-a-battery-of-rodent-models-of-nociceptive-and-neuropathic-pain
#20
Misty D Smith, Jose H Woodhead, Laura J Handy, Timothy H Pruess, Fabiola Vanegas, Erin Grussendorf, Joel Grussendorf, Karen White, Karolina K Bulaj, Reisa K Krumin, Megan Hunt, Karen S Wilcox
The series of experiments herein evaluated prototype drugs representing different mechanisms of antiseizure, antinociceptive or antidepressant action in a battery of preclinical pain models in adult male CF#1 mice (formalin, writhing, and tail flick) and Sprague Dawley rats partial sciatic nerve ligation (PSNL). In the formalin assay, phenytoin (PHT, 6 mg/kg), sodium valproate (VPA, 300 mg/kg), amitriptyline (AMI, 7.5 and 15 mg/kg), gabapentin (GBP, 30 and 70 mg/kg), tiagabine (TGB, 5 and 15 mg/kg), and acetominophen (APAP, 250 and 500 mg/kg) reduced both phases of the formalin response to ≤ 25% of vehicle-treated mice...
May 15, 2017: Neurochemical Research
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