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https://www.readbyqxmd.com/read/28073790/clemizole-and-modulators-of-serotonin-signalling-suppress-seizures-in-dravet-syndrome
#1
Aliesha Griffin, Kyla R Hamling, Kelly Knupp, SoonGweon Hong, Luke P Lee, Scott C Baraban
Dravet syndrome is a catastrophic childhood epilepsy with early-onset seizures, delayed language and motor development, sleep disturbances, anxiety-like behaviour, severe cognitive deficit and an increased risk of fatality. It is primarily caused by de novo mutations of the SCN1A gene encoding a neuronal voltage-activated sodium channel. Zebrafish with a mutation in the SCN1A homologue recapitulate spontaneous seizure activity and mimic the convulsive behavioural movements observed in Dravet syndrome. Here, we show that phenotypic screening of drug libraries in zebrafish scn1 mutants rapidly and successfully identifies new therapeutics...
January 10, 2017: Brain: a Journal of Neurology
https://www.readbyqxmd.com/read/28063880/glur3b-ab-s-induced-oligodendrocyte-precursor-cells-excitotoxicity-via-mitochondrial-dysfunction
#2
Yi Liu, Yan Chen, Wan Tong Du, Xiu Xiang Wu, Fu Xing Dong, Xue Bin Qu, Hong Bin Fan, Rui Qin Yao
Studies have indicated that glutamate receptor subunit 3 peptide B antibodies (GluR3B Ab's) by directing against a-amino-3-hydroxy-5-methyl-4-isoxazolepropionic acid subtype glutamate receptors (AMPARs) subunit 3 (GluR3B) was involved in the hippocampal neuron damage in the pathogenesis of epilepsy. Glutamate accumulation is critical for oligodendrocyte precursors (OPCs) excitotoxic injury. However, remarkably little is known about whether GluR3B Ab's causes OPCs excitotoxicity, and the underlying mechanisms remain unclear...
January 4, 2017: Brain Research Bulletin
https://www.readbyqxmd.com/read/28057897/review-and-update-of-the-hong-kong-epilepsy-guideline-on-status-epilepticus
#3
REVIEW
E Lw Fung, B Bh Fung
Convulsive status epilepticus is the most extreme form of seizure. It is a medical and neurological emergency that requires prompt and appropriate treatment. Treatment of convulsive status epilepticus is usually divided into stages/steps. The International League Against Epilepsy has released a new definition of status epilepticus that may help to unify the definition in future studies. Over the last few years new information has become available regarding its management. The Rapid Anticonvulsant Medication Prior to Arrival Trial demonstrated non-inferiority of intramuscular midazolam in early status epilepticus compared with intravenous lorazepam...
January 6, 2017: Hong Kong Medical Journal, Xianggang Yi Xue za Zhi
https://www.readbyqxmd.com/read/28043062/pharmacokinetic-variability-efficacy-and-tolerability-of-eslicarbazepine-acetate-a-national-approach-to-the-evaluation-of-therapeutic-drug-monitoring-data-and-clinical-outcome
#4
Torleiv Svendsen, Eylert Brodtkorb, Arne Reimers, Espen Molden, Erik Sætre, Svein I Johannessen, Cecilie Johannessen Landmark
BACKGROUND: Eslicarbazepine acetate (ESL) is a new antiepileptic drug (AED), still insufficiently studied regarding pharmacokinetic variability, efficacy and tolerability. The purpose of this study was to evaluate therapeutic drug monitoring (TDM) data in Norway and relate pharmacokinetic variability to clinical efficacy and tolerability in a long-term clinical setting in patients with refractory epilepsy. METHODS: This retrospective observational study included TDM-data from the main laboratories and population data from the Norwegian Prescription Database in Norway, in addition to clinical data from medical records of adult patients using ESL for up to three years, whenever possible...
December 5, 2016: Epilepsy Research
https://www.readbyqxmd.com/read/28038385/changes-in-quality-of-life-as-a-result-of-ketogenic-diet-therapy-a-new-approach-to-assessment-with-the-potential-for-positive-therapeutic-effects
#5
Susan Bruce, Anita Devlin, Linda Air, Lucy Cook
There are difficulties inherent in measuring Quality of life (QoL) in patients with chronic illness, including agreement on definitions of quality of life and the type of measure used, disease specific or generic. Well validated QoL instruments for epilepsy exist but focus on capturing common themes pertinent to children and families as a group instead of focusing on themes important to individual patients and their families/carers. In addition, it is common for numerous items on these inventories to be left incomplete or responded to with "not applicable" since many of the items are not suitable for children with disabilities and their families...
December 27, 2016: Epilepsy & Behavior: E&B
https://www.readbyqxmd.com/read/28038337/common-data-elements-and-data-management-remedy-to-cure-underpowered-preclinical-studies
#6
Niina Lapinlampi, Esbjörn Melin, Eleonora Aronica, Jens P Bankstahl, Albert Becker, Cristophe Bernard, Jan A Gorter, Olli Gröhn, Anu Lipsanen, Katarzyna Lukasiuk, Wolfgang Löscher, Jussi Paananen, Teresa Ravizza, Paolo Roncon, Michele Simonato, Annamaria Vezzani, Merab Kokaia, Asla Pitkänen
Lack of translation of data obtained in preclinical trials to clinic has kindled researchers to develop new methodologies to increase the power and reproducibility of preclinical studies. One approach relates to harmonization of data collection and analysis, and has been used for a long time in clinical studies testing anti-seizure drugs. EPITARGET is a European Union FP7-funded research consortium composed of 18 partners from 9 countries. Its main research objective is to identify biomarkers and develop treatments for epileptogenesis...
November 22, 2016: Epilepsy Research
https://www.readbyqxmd.com/read/28035782/wonoep-appraisal-biomarkers-of-epilepsy-associated-comorbidities
#7
REVIEW
Teresa Ravizza, Filiz Y Onat, Amy R Brooks-Kayal, Antoine Depaulis, Aristea S Galanopoulou, Andrey Mazarati, Adam L Numis, Raman Sankar, Alon Friedman
Neurologic and psychiatric comorbidities are common in patients with epilepsy. Diagnostic, predictive, and pharmacodynamic biomarkers of such comorbidities do not exist. They may share pathogenetic mechanisms with epileptogenesis/ictogenesis, and as such are an unmet clinical need. The objectives of the subgroup on biomarkers of comorbidities at the XIII Workshop on the Neurobiology of Epilepsy (WONOEP) were to present the state-of-the-art recent research findings in the field that highlighting potential biomarkers for comorbidities in epilepsy...
December 30, 2016: Epilepsia
https://www.readbyqxmd.com/read/28030918/to-treat-or-not-to-treat-drug-refractory-epilepsy-by-the-ketogenic-diet-that-is-the-question
#8
REVIEW
Marzena Ułamek-Kozioł, Ryszard Pluta, Anna Bogucka-Kocka, Stanisław J Czuczwar
Epilepsy is a serious neurologic disorder worldwide which affects about 1% of the population (ca. 50 million people), the highest prevalence occurring in both children and elderly. Apart from idiopathic forms, etiology of the disease involves multiple brain risk factors - the most frequent being cerebrovascular diseases, tumours and traumatic injuries. Several treatment options exist, including, for instance, pharmacotherapy, vagal nerve stimulation or epilepsy surgery. In spite of treatment, about 30% of patients with epilepsy still have seizures and become drug-refractory...
23, 2016: Annals of Agricultural and Environmental Medicine: AAEM
https://www.readbyqxmd.com/read/28027507/randomized-controlled-antiepileptic-drug-trials-miss-almost-all-patients-with-ongoing-seizures
#9
Bernhard J Steinhoff, Anke M Staack, Barbara C Hillenbrand
In spite of the marketing of numerous new antiepileptic drugs (AEDs), their real-life effectiveness has often been disappointing. We therefore retrospectively investigated how many adult patients with drug-resistant epilepsy would have been potential candidates for the last five phase II and III trials that have been performed at our center. Out of a group of 216 consecutively collected patients, only 18 (8.3%) would have been acceptable for recruitment. Treatment with enzyme-inducing AEDs or concomitant medications (47...
December 24, 2016: Epilepsy & Behavior: E&B
https://www.readbyqxmd.com/read/28027373/new-onset-seizure-in-adults-and-adolescents-a-review
#10
Jay R Gavvala, Stephan U Schuele
Importance: Approximately 8% to 10% of the population will experience a seizure during their lifetime. Only about 2% to 3% of patients go on to develop epilepsy. Understanding the underlying etiology leading to an accurate diagnosis is necessary to ensure appropriate treatment and that patients with low risk for recurrence are not treated unnecessarily. Observations: Patients can present with new-onset seizure for a variety of reasons such as acute symptomatic seizures due to acute brain injury or metabolic derangements, or unprovoked seizures that are the initial manifestation of epilepsy...
27, 2016: JAMA: the Journal of the American Medical Association
https://www.readbyqxmd.com/read/28027070/innovations-in-functional-neurosurgery-and-anesthetic-implications
#11
Lauren K Dunn, Marcel E Durieux, W Jeffrey Elias, Edward C Nemergut, Bhiken I Naik
Functional neurosurgery has undergone rapid growth over the last few years fueled by advances in imaging technology and novel treatment modalities. These advances have led to new surgical treatments using minimally invasive and precise techniques for conditions such as Parkinson's disease, essential tremor, epilepsy, and psychiatric disorders. Understanding the goals and technological issues of these procedures is imperative for the anesthesiologist to ensure safe management of patients presenting for functional neurosurgical procedures...
December 23, 2016: Journal of Neurosurgical Anesthesiology
https://www.readbyqxmd.com/read/28025529/anticonvulsant-effects-of-fractions-isolated-from-dinoponera-quadriceps-kempt-ant-venom-formicidae-ponerinae
#12
Diana Aline Morais Ferreira Nôga, Luiz Eduardo Mateus Brandão, Fernanda Carvalho Cagni, Delano Silva, Dina Lilia Oliveira de Azevedo, Arrilton Araújo, Wagner Ferreira Dos Santos, Antonio Miranda, Regina Helena da Silva, Alessandra Mussi Ribeiro
Natural products, sources of new pharmacological substances, have large chemical diversity and architectural complexity. In this context, some toxins obtained from invertebrate venoms have anticonvulsant effects. Epilepsy is a neurological disorder that affects about 65 million people worldwide, and approximately 30% of cases are resistant to pharmacological treatment. Previous studies from our group show that the denatured venom of the ant Dinoponera quadriceps (Kempt) protects mice against bicuculline (BIC)-induced seizures and death...
December 23, 2016: Toxins
https://www.readbyqxmd.com/read/28024732/mri-guided-laser-interstitial-thermal-therapy-for-treatment-of-medically-refractory-non-lesional-mesial-temporal-lobe-epilepsy-outcomes-complications-and-current-limitations-a-review
#13
REVIEW
Hena Waseem, Andrew C Vivas, Fernando L Vale
There is a new focus on minimally invasive treatments for medically refractory mesial temporal lobe epilepsy (MTLE). MRI-guided laser interstitial thermal therapy (MRgLITT) is one such minimally invasive procedure, which utilizes MRI guidance and real-time feedback to ablate an epileptogenic focus. A total of 38 patients presenting exclusively with MTLE and no other lesions (including neoplasia), who underwent MRgLITT were reviewed. We evaluated a number of outcome measures, including seizure freedom, neuropsychological performance, complications, and other considerations...
December 23, 2016: Journal of Clinical Neuroscience: Official Journal of the Neurosurgical Society of Australasia
https://www.readbyqxmd.com/read/28017648/non-invasive-pet-imaging-of-brain-inflammation-at-disease-onset-predicts-spontaneous-recurrent-seizures-and-reflects-comorbidities
#14
Daniele Bertoglio, Jeroen Verhaeghe, Eva Santermans, Halima Amhaoul, Elisabeth Jonckers, Leonie Wyffels, Annemie Van Der Linden, Niel Hens, Steven Staelens, Stefanie Dedeurwaerdere
Brain inflammation is an important factor in the conversion of a healthy brain into an epileptic one, a phenomenon known as epileptogenesis, offering a new entry point for prognostic tools. The development of anti-epileptogenic therapies to treat before or at disease onset is hampered by our inability to predict the severity of the disease outcome. In a rat model of temporal lobe epilepsy we aimed to assess whether in vivo non-invasive imaging of brain inflammation at disease onset was predictive of spontaneous recurrent seizures (SRS) frequency and severity of depression-like and sensorimotor-related comorbidities...
December 22, 2016: Brain, Behavior, and Immunity
https://www.readbyqxmd.com/read/28017578/drug-development-for-refractory-epilepsy-the-past-25-years-and-beyond
#15
Ambica Golyala, Patrick Kwan
Despite the exponential growth of approved antiepileptic drugs (AEDs) over the past 25 years, epilepsy remains uncontrolled in approximately a third of patients. This article summarises the clinical trials and properties of the AEDs developed over this period, and reviews the pre-clinical and clinical development paradigms of modern AEDs. We discuss possible reasons for the apparent failure to develop more efficacious compounds. We also review the current regulatory frameworks for drug approval in the United States and Europe, and the changes on the horizon...
December 6, 2016: Seizure: the Journal of the British Epilepsy Association
https://www.readbyqxmd.com/read/28007376/epilepsy-associated-genes
#16
Jie Wang, Zhi-Jian Lin, Liu Liu, Hai-Qing Xu, Yi-Wu Shi, Yong-Hong Yi, Na He, Wei-Ping Liao
Development in genetic technology has led to the identification of an increasing number of genes associated with epilepsy. These discoveries will both provide the basis for including genetic tests in clinical practice and improve diagnosis and treatment of epilepsy. By searching through several databases (OMIM, HGMD, and EpilepsyGene) and recent publications on PubMed, we found 977 genes that are associated with epilepsy. We classified these genes into 4 categories according to the manifestation of epilepsy in phenotypes...
December 6, 2016: Seizure: the Journal of the British Epilepsy Association
https://www.readbyqxmd.com/read/28000035/incontinence-in-persons-with-angelman-syndrome
#17
C Wagner, J Niemczyk, M Equit, L Curfs, A von Gontard
: Angelman syndrome (AS) is a congenital syndrome with a prevalence of 1:15,000. Individuals with AS often have severe intellectual disability, typical dysmorphic signs, and behavioral problems. The aim of the study was to investigate the rate of incontinence and associated psychological problems in children and adults with AS. Ninety children (4-18 years) and 54 adults (18-31 years) with AS were recruited through a parent support group (55.6% male, mean age 15.1 years). The Parental Questionnaire: Enuresis/Urinary Incontinence, the Incontinence Questionnaire-Pediatric Lower Urinary Tract Symptoms (ICIQ-CLUTS), as well as the Developmental Behaviour Checklist for parents (DBC-P) or for adults (DBC-A) were filled out by parents or caregivers...
December 20, 2016: European Journal of Pediatrics
https://www.readbyqxmd.com/read/27988430/kinin-receptors-key-regulators-of-autoimmunity
#18
REVIEW
Rafael Cypriano Dutra
The central function of the immune system is to protect the host from environmental agents such as microbes or chemicals, thereby preserving the integrity of the body, and preventing the onset of illness and infection. Moreover, the immune system is constantly challenged to discriminate self vs. non-self and mediate the correct response, a phenomenon called self-tolerance. The failure of mechanisms responsible for self-tolerance and induction of an immune response against components of the self, induces autoimmunity and culminates however, in several autoimmune diseases...
December 15, 2016: Autoimmunity Reviews
https://www.readbyqxmd.com/read/27986742/assessment-of-the-effectiveness-and-safety-of-ethosuximide-in-the-treatment-of-non-diabetic-peripheral-neuropathic-pain-edonot-protocol-of-a-randomised-parallel-controlled-double-blinded-and-multicentre-clinical-trial
#19
Nicolas Kerckhove, Christophe Mallet, Bruno Pereira, Chouki Chenaf, Christian Duale, Claude Dubray, Alain Eschalier
INTRODUCTION: Currently available analgesics are ineffective in 30-50% of patients suffering from neuropathic pain and often induce deleterious side effects. T-type calcium channel blockers (mibefradil, ethosuximide, NNC 55-0396) are of great interest for the development of new symptomatic treatments of neuropathic pain, due to their various effects on pain perception. Interestingly, ethosuximide, which has already been approved for treating epilepsy, is available on the European market for clinical use...
December 16, 2016: BMJ Open
https://www.readbyqxmd.com/read/27965182/drug-treatment-strategies-for-epilepsy-revisited-starting-early-or-late-one-drug-or-several-drugs
#20
Dieter Schmidt
There are two popular strategies for current drug treatment of epilepsy; starting early may be better and polytherapy conveys advantages over monotherapy. This review briefly examines if the historical record is much of a guide to determine the clinical value of these two strategies. Great clinical scientists of the 19(th) and early 20(th) century, such as Sir William Gowers, and William Aldren Turner, offered vivid single case studies and showed early results of seizure remission in groups of subjects. The historical record offered, however, no evidence of clear clinical benefits for early treatment and polytherapy...
December 1, 2016: Epileptic Disorders: International Epilepsy Journal with Videotape
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