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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
#1
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...
May 24, 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
#2
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
#3
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
#4
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
#5
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
#6
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
#7
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
#8
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
https://www.readbyqxmd.com/read/28504347/a-rapid-method-to-screen-poisoning-causative-agents-in-an-acute-care-hospital-in-japan
#9
K Usui, H Mori, T Tachi, T Matsumura, K Mori, A Takeda, Y Noguchi, T Yoshimura, H Teramachi
WHAT IS KNOWN AND OBJECTIVE: A simple, rapid analysis is required to simultaneously analyse medicinal toxicants in emergency medical care. In this regard, the analysis of blood samples by LC-MS/MS equipped with a spin column, involving a rapid, simple pretreatment, has attracted attention. In this study, sample pretreatment using a Monospin C18 column was performed to screen 11 medicinal toxicants in blood samples by LC-MS/MS. METHODS: Serum samples supplemented with 11 medical toxicants-acetaminophen, salicylic acid, nitrazepam, diphenhydramine, bromvalerylurea, phenobarbital, amitriptyline, risperidone, fenitrothion, malathion and methomyl-were pretreated with the Monospin C18 column according to Pretreatment I and Pretreatment II, followed by LC-MS/MS analysis...
May 15, 2017: Journal of Clinical Pharmacy and Therapeutics
https://www.readbyqxmd.com/read/28503206/inclusion-complexes-of-%C3%AE-cyclodextrin-with-tricyclic-drugs-an-x-ray-diffraction-nmr-and-molecular-dynamics-study
#10
Franca Castiglione, Fabio Ganazzoli, Luciana Malpezzi, Andrea Mele, Walter Panzeri, Giuseppina Raffaini
Tricyclic fused-ring cyclobenzaprine (1) and amitriptyline (2) form 1:1 inclusion complexes with β-cyclodextrin (β-CD) in the solid state and in water solution. Rotating frame NOE experiments (ROESY) showed the same geometry of inclusion for both 1/β-CD and 2/β-CD complexes, with the aromatic ring system entering the cavity from the large rim of the cyclodextrin and the alkylammonium chain protruding out of the cavity and facing the secondary OH rim. These features matched those found in the molecular dynamics (MD) simulations in solution and in the solid state from single-crystal X-ray diffraction of 1/β-CD and 2/β-CD complexes...
2017: Beilstein Journal of Organic Chemistry
https://www.readbyqxmd.com/read/28500556/reversing-glioma-malignancy-a-new-look-at-the-role-of-antidepressant-drugs-as-adjuvant-therapy-for-glioblastoma-multiforme
#11
Anna M Bielecka-Wajdman, Marta Lesiak, Tomasz Ludyga, Aleksander Sieroń, Ewa Obuchowicz
PURPOSE: The role of glioma stem cells (GSCs) in cancer progression is currently debated; however, it is hypothesised that this subpopulation is partially responsible for therapeutic resistance observed in glioblastoma multiforme (GBM). Recent studies have shown that the current treatments not only fail to eliminate the GSC population but even promote GSCs through reprogramming of glioma non-stem cells to stem cells. Since the standard GBM treatment often requires supplementation with adjuvant drugs such as antidepressants, their role in the regulation of the heterogeneous nature of GSCs needs evaluation...
June 2017: Cancer Chemotherapy and Pharmacology
https://www.readbyqxmd.com/read/28496474/enhancement-of-antinociceptive-effect-by-co-administration-of-amitriptyline-and-crocus-sativus-in-a-rat-model-of-neuropathic-pain
#12
Bahareh Amin, Samira Hosseini, Hossein Hosseinzadeh
The aim of this study was to evaluate the anti-nociceptive effects of a low, sub-effective dose of amitriptyline, in combination with the different doses of ethanolic and aqueous extracts of Crocus sativus following sciatic nerve chronic constriction injury (CCI) in rats. Amitriptyline (3, 10 and 30 mg/Kg, i.p.) and the extracts (25, 50 and 100 mg/Kg, i.p.), were separately administered at the time of CCI for 7 consecutive days. In combination therapy, the sub-antinociceptive dose of amitriptyline (3 mg/Kg) was given with the three different doses of extracts for seven days...
2017: Iranian Journal of Pharmaceutical Research: IJPR
https://www.readbyqxmd.com/read/28493231/-drug-therapy-of-fibromyalgia-syndrome-updated-guidelines-2017-and-overview-of-systematic-review-articles
#13
C Sommer, R Alten, K-J Bär, M Bernateck, W Brückle, E Friedel, P Henningsen, F Petzke, T Tölle, N Üçeyler, A Winkelmann, W Häuser
BACKGROUND: The regular update of the guidelines on fibromyalgia syndrome, AWMF number 145/004, was scheduled for April 2017. METHODS: The guidelines were developed by 13 scientific societies and 2 patient self-help organizations coordinated by the German Pain Society. Working groups (n =8) with a total of 42 members were formed balanced with respect to gender, medical expertise, position in the medical or scientific hierarchy and potential conflicts of interest...
May 10, 2017: Der Schmerz
https://www.readbyqxmd.com/read/28490444/inhibiting-glucosylceramide-synthase-exacerbates-cisplatin-induced-acute-kidney-injury
#14
Tess V Dupre, Mark A Doll, Parag P Shah, Cierra N Sharp, Deanna Siow, Judit Megyesi, James Shayman, Alicja Bielwska, Jacek Bielawski, Levi J Beverly, Maria Hernandez-Corbacho, Christopher J Clarke, Ashley J Snider, Rick G Schnellmann, Lina M Obeid, Yusuf A Hannun, Leah J Siskind
Acute kidney injury (AKI), resulting from chemotherapeutic agents such as cisplatin, remains an obstacle in the treatment of cancer. Cisplatin-induced AKI involves apoptotic and necrotic cell death, pathways regulated by sphingolipids such as ceramide and glucosylceramide. Results from this study indicate that C57BL/6J mice treated with cisplatin had increased ceramide and hexosylceramide levels in the renal cortex 72 h following cisplatin treatment. Pre-treatment of mice with inhibitors of acid sphingomyelinase and de novo ceramide synthesis (amitriptyline and myriocin, respectively) prevented accumulation of ceramides and hexosylceramide in the renal cortex and protected from cisplatin-induced AKI...
May 10, 2017: Journal of Lipid Research
https://www.readbyqxmd.com/read/28473243/pain-relieving-effects-of-clonazepam-and-amitriptyline-in-burning-mouth-syndrome-a-retrospective-study
#15
M Fenelon, E Quinque, E Arrive, S Catros, J C Fricain
This retrospective study aimed to evaluate the efficacy of clonazepam and amitriptyline in the treatment of burning mouth syndrome (BMS). A single-centre retrospective cohort study was performed among patients diagnosed with BMS. Either clonazepam or amitriptyline was administered. Patients were asked to evaluate their pain using a 10-point verbal numerical scale (VNS) at baseline, and at 6 weeks and 3 months of treatment. Mean pain-relief values were assessed according to the treatment received using the Kruskal-Wallis test...
May 1, 2017: International Journal of Oral and Maxillofacial Surgery
https://www.readbyqxmd.com/read/28465217/antidepressants-induce-autophagy-dependent-nlrp3-inflammasome-inhibition-in-major-depressive-disorder
#16
Elísabet Alcocer-Gómez, Nieves Casas-Barquero, Matthew R Williams, Samuel L Romero-Guillena, Diego Cañadas-Lozano, Pedro Bullón, José Antonio Sánchez-Alcazar, José M Navarro-Pando, Mario D Cordero
Major Depressive Disorder (MDD, ICD-10: F-33) is a prevalent illness in which the pathogenic mechanism remains elusive. Recently an important role has been attributed to neuro-inflammation, and specifically the NLRP3-inflammasome complex, in the pathogenesis of MDD. This suggests a key role for immunomodulation as a key pathway in the treatment of this disorder. This study evaluates the involvement of nine common antidepressants in the NLRP3-inflammasome complex (fluoxetine, paroxetine, mianserin, mirtazapine, venlafaxine, desvenlafaxine, amitriptyline, imipramine and agomelatine), both in in vitro THP-1 cells stimulated by ATP, and in a stress-induced depressive animal or MDD patients...
May 2, 2017: Pharmacological Research: the Official Journal of the Italian Pharmacological Society
https://www.readbyqxmd.com/read/28459893/purls-consider-melatonin-for-migraine-prevention
#17
Corey Lyon, Shannon Langner
This affordable, over-the-counter hormone is as effective as amitriptyline, causes fewer adverse effects, and may have a surprising added benefit.
May 2017: Journal of Family Practice
https://www.readbyqxmd.com/read/28452565/administration-of-wasabia-koreana-ameliorates-irritable-bowel-syndrome-like-symptoms-in-a-zymosan-induced-mouse-model
#18
Bo-Kyung Park, Eunho Chun, Jeong June Choi, Younmin Shin, Young Tak Kho, Seung Hyun Oh, Sun Yeou Kim, Taek Hwan Lee, Tae-Wan Kim, Eunju Shin, Seon-Gil Do, Mirim Jin
Irritable bowel syndrome (IBS) is a functional gastrointestinal disease with complex pathophysiology involving the brain-gut axis. To assess the effects of Wasabia koreana (WK) on IBS, we employed a mouse model of colonic zymosan injection presenting with diarrhea-predominant IBS-like symptoms. Oral WK administration significantly diminished stool score, suppressed colon length and weight change, and minimized body weight loss without affecting food intake. In WK-treated mice, the submucosal thickening and epithelial lining of the colon were inhibited and were similar to those of naïve mice...
May 2017: Journal of Medicinal Food
https://www.readbyqxmd.com/read/28447863/lysophosphatidic-acid-and-amitriptyline-signal-through-lpa1r-to-reduce-p-glycoprotein-transport-at-the-blood-brain-barrier
#19
David B Banks, Gary Ny Chan, Rebecca A Evans, David S Miller, Ronald E Cannon
The blood-brain barrier is a microvascular network that (1) provides neuroprotection from metabolic and environmental toxins and (2) limits the delivery of therapeutics to the central nervous system (CNS). The ATP-binding cassette transporter P-glycoprotein contributes to the latter by actively pumping clinical substrates back into circulation before they can reach the brain parenchyma. Targeting P-glycoprotein has proven effective in increasing the delivery of therapeutics to their cerebral targets. We provide a novel mechanism to achieve this end in functioning, intact rat brain capillaries, whereby the bioactive phospholipid lysophosphatidic acid (LPA) and tricyclic antidepressant (TCA) amitriptyline reduce basal P-glycoprotein transport activity through a distinct lysophosphatidic acid 1 receptor-mediated signaling cascade that requires G-protein coupling, Src kinase, and ERK 1/2...
January 1, 2017: Journal of Cerebral Blood Flow and Metabolism
https://www.readbyqxmd.com/read/28438663/acute-effects-of-amitriptyline-on-adult-zebrafish-potential-relevance-to-antidepressant-drug-screening-and-modeling-human-toxidromes
#20
Konstantin A Demin, Tatiana O Kolesnikova, Sergey L Khatsko, Darya M Meshalkina, Evgeniya V Efimova, Yuri Yu Morzherin, Allan V Kalueff
The need to develop novel antidepressants is an emerging problem in biomedicine. An aquatic vertebrate species, the zebrafish (Danio rerio) may serve as a useful in-vivo screen for CNS drugs, and displays high sensitivity to a wide range of antidepressants. Amitriptyline is a commonly used tricyclic antidepressant which acts primarily as a serotonin and noradrenaline reuptake inhibitor. Here, we characterize drug-induced behavioral and neurochemical responses in adult zebrafish following their acute exposure to amitriptyline...
April 21, 2017: Neurotoxicology and Teratology
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