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https://www.readbyqxmd.com/read/28641219/comparison-of-brand-versus-generic-antiepileptic-drug-adverse-event-reporting-rates-in-the-u-s-food-and-drug-administration-adverse-event-reporting-system-faers
#1
Md Motiur Rahman, Yasser Alatawi, Ning Cheng, Jingjing Qian, Annya V Plotkina, Peggy L Peissig, Richard L Berg, David Page, Richard A Hansen
OBJECTIVE: Despite the cost saving role of generic anti-epileptic drugs (AEDs), debate exists as to whether generic substitution of branded AEDs may lead to therapeutic failure and increased toxicity. This study compared adverse event (AE) reporting rates for brand vs. authorized generic (AG) vs. generic AEDs. Since AGs are pharmaceutically identical to brand but perceived as generics, the generic vs. AG comparison minimized potential bias against generics. METHODS: Events reported to the U...
June 13, 2017: Epilepsy Research
https://www.readbyqxmd.com/read/28641169/association-between-switching-antiepileptic-drug-products-and-healthcare-utilization-a-systematic-review
#2
REVIEW
Patrick Kwan, André Palmini
AIMS: There is ongoing concern whether switching between different antiepileptic drug (AED) products may compromise patient care. We systematically reviewed changes in healthcare utilization following AED switch. METHODS: We searched MEDLINE and EMBASE databases (1980-October 2016) for studies that assessed the effect of AED switching in patients with epilepsy on outpatient visits, emergency room visits, hospitalization and hospital stay duration. RESULTS: A total of 14 articles met the inclusion criteria...
June 19, 2017: Epilepsy & Behavior: E&B
https://www.readbyqxmd.com/read/28622547/co-morbidity-and-clinically-significant-interactions-between-antiepileptic-drugs-and-other-drugs-in-elderly-patients-with-newly-diagnosed-epilepsy
#3
Emmi Bruun, Lauri J Virta, Reetta Kälviäinen, Tapani Keränen
PURPOSE: A study was conducted to investigate the frequency of potential pharmacokinetic drug-to-drug interactions in elderly patients with newly diagnosed epilepsy. We also investigated co-morbid conditions associated with epilepsy. METHOD: From the register of Kuopio University Hospital (KUH) we identified community-dwelling patients aged 65 or above with newly diagnosed epilepsy and in whom use of the first individual antiepileptic drug (AED) began in 2000-2013 (n=529)...
June 13, 2017: Epilepsy & Behavior: E&B
https://www.readbyqxmd.com/read/28606021/epileptic-seizures-with-reversible-lesions-in-bilateral-frontoparietal-lobes-a-case-report-and-literature-review
#4
Lichao Sun, Zhanpeng Zhu, Guangming Wang, Weihong Lin
Magnetic resonance imaging (MRI) is recommended for patients with epileptic seizures to rule out an underlying focal lesion. However, the radiological characteristics of epilepsy are not well elucidated. Transient periictal MRI abnormality (TPMA) refers to reversible MRI signal changes observed in epileptic patients. A 32-year-old man presented with a 2-week history of epileptic seizures, which initially manifested as focal aware seizures and progressed to a generalized tonic-clonic seizure on the third day...
January 1, 2017: Journal of International Medical Research
https://www.readbyqxmd.com/read/28602600/influence-of-the-dual-combination-of-silymarin-and-epigallocatechin-gallate-natural-dietary-flavonoids-on-the-pharmacokinetics-of-oxcarbazepine-in-rats
#5
Ana Ferreira, Márcio Rodrigues, Alexandre Marques, Amílcar Falcão, Gilberto Alves
Considering the potential of flavonoids in reversing the P-glycoprotein (P-gp)-mediated multidrug resistance, this work aimed to assess the combined effects of silymarin and (-)-epigallocatechin gallate (EPG) on the pharmacokinetics of the P-gp substrates oxcarbazepine (OXC) and licarbazepine (LIC). Rats were pre-treated intraperitoneally with silymarin (25 mg/kg), EPG (25 mg/kg), silymarin/EPG (12.5/12.5 mg/kg; 6.25/18.75 mg/kg; 18.75/6.25 mg/kg) or verapamil (25 mg/kg, reference P-gp inhibitor) before the intraperitoneal administration of OXC (50 mg/kg)...
June 8, 2017: Food and Chemical Toxicology
https://www.readbyqxmd.com/read/28580160/oxcarbazepine-induced-stevens-johnson-syndrome-a-pediatric-case-report
#6
Burçin Beken, Ceren Can, Aysegül Örencik, Nuray Can, Mehtap Yazıcıoğlu
Stevens-Johnson syndrome (SJS) and toxic epidermal necrolysis are two rare but life-threatening diseases characterized by detachment of epidermis, bullous skin lesions and mucous membrane erosions. Anti-epileptic drugs are highly suspected to be the causative agents. Although carbamazepine (CBZ) is the most associated anti-epileptic drug, oxcarbazepine (OXC), which is a monohydrated derivative of CBZ, is proposed to be safer because of the different metabolism of the two drugs. Herein, we report a case of SJS induced by oxcarbazepine...
June 2017: Oxford Medical Case Reports
https://www.readbyqxmd.com/read/28566726/efficacy-and-tolerability-of-second-and-third-generation-anti-epileptic-drugs-in-refractory-epilepsy-a-network-meta-analysis
#7
Chuanjun Zhuo, Ronghuan Jiang, Gongying Li, Mingjing Shao, Ce Chen, Guangdong Chen, Hongjun Tian, Jie Li, Rong Xue, Deguo Jiang
This study was proposed to compare the relative efficacy and tolerability of the second and third generation AEDs for refractory epilepsy. The 50% responder rate (RR) was selected as the efficacy outcome whereas the incidence of dizziness and somnolence were considered to evaluate the tolerability of AEDs. Odds ratio (OR) and their 95% credible interval (CrI) were obtained using a consistency model and surface under the cumulative ranking curve (SUCRA) value was calculated to rank AEDs. Topiramate appeared to be significantly more effective than placebo, eslicarbazepine acetate, perampanel, pregabalin, zonisamide, gabapentin and lamotrigine with respect to the 50% RR (all OR > 1)...
May 31, 2017: Scientific Reports
https://www.readbyqxmd.com/read/28557178/impact-of-etiology-and-duration-of-pain-on-pharmacological-treatment-effects-in-painful-polyneuropathy
#8
S H Sindrup, J Holbech, D Demant, N B Finnerup, F W Bach, T S Jensen
BACKGROUND: The pharmacological treatments for painful polyneuropathy have not changed much for more than a decade, and less than half of the patients obtain adequate pain relief with first line treatments. Therefore, patient-specific factors which could predict drug response are searched for. METHODS: We analysed data from four published, randomized, controlled trials of drugs in painful polyneuropathy to see if diabetic etiology and duration of neuropathic pain had an impact on drug efficacy...
May 30, 2017: European Journal of Pain: EJP
https://www.readbyqxmd.com/read/28552676/common-allergies-do-not-influence-the-prevalence-of-cutaneous-hypersensitivity-reactions-to-antiepileptic-drugs
#9
Magdalena Bosak, Grzegorz Porębski, Agnieszka Słowik, Wojciech Turaj
OBJECTIVE: The aim of the study was to establish whether the presence of common allergies increases the risk of drug-related hypersensitivity reactions among patients with epilepsy treated with antiepileptic drugs (AEDs). METHODS: We studied 753 patients with epilepsy seen in tertiary outpatient epilepsy clinic. We obtained data related to epilepsy type, past and ongoing treatment with AEDs, occurrence of maculopapular exanthema or more serious cutaneous adverse reactions (Stevens-Johnson syndrome - SJS) and their characteristics...
May 17, 2017: Epilepsy Research
https://www.readbyqxmd.com/read/28543284/in-utero-oxcarbazepine-exposure-and-neonatal-abstinence-syndrome-case-report-and-brief-review-of-the-literature
#10
Chao-Yang Chen, Xing Li, Ling-Yue Ma, Peng-Hui Wu, Ying Zhou, Qi Feng, Yi-Min Cui
Oxcarbazepine is a second-generation antiepileptic drug that is used to treat partial seizures. Although it has been increasingly used in pregnant women, its fetal safety has not been fully validated. We describe a 12-hour-old neonate who developed neonatal abstinence syndrome (NAS) following intrauterine exposure to oxcarbazepine. The neonate was born by cesarean section to a mother who took oxcarbazepine 300 mg/day for treatment of seizures throughout her pregnancy. Approximately 12 hours after birth, the infant developed paroxysmal jitter, which mainly presented as increased excitability, irritability, limb shaking, and increased muscle tone...
May 20, 2017: Pharmacotherapy
https://www.readbyqxmd.com/read/28542738/carbamazepine-and-oxcarbazepine-induced-hyponatremia-in-people-with-epilepsy
#11
Bianca Berghuis, Job van der Palen, Gerrit-Jan de Haan, Dick Lindhout, Bobby P C Koeleman, Josemir W Sander
OBJECTIVE: To ascertain possible determinants of carbamazepine (CBZ)- and oxcarbazepine (OXC)-induced hyponatremia in a large cohort of people with epilepsy. METHODS: We collected data on serum sodium levels in people with epilepsy who were attending a tertiary epilepsy center while on treatment with CBZ or OXC. We defined hyponatremia as Na+ ≤134 mEq/L and severe hyponatremia as Na+ ≤128 mEq/L. RESULTS: We identified 1,782 people who had used CBZ (n = 1,424) or OXC (n = 358), of whom 50 were treated with both drugs...
May 24, 2017: Epilepsia
https://www.readbyqxmd.com/read/28539103/possible-oxcarbazepine-inductive-effects-on-aripiprazole-metabolism-a-case-report
#12
Ian R McGrane, Joshua G Loveland, Jose de Leon
Oxcarbazepine is a cytochrome P450 (CYP) 3A4 inducer, which is structurally similar to carbamazepine. Although lacking Food and Drug Administration approval, oxcarbazepine is sometimes prescribed to treat aggressive behavior in youth with autism spectrum disorder (ASD). These youths may also be taking second-generation antipsychotics, some of which are substrates of the CYP3A4 metabolic pathway. The combination of these medications may result in decreased serum antipsychotic concentrations, potentially reducing effectiveness...
January 1, 2017: Journal of Pharmacy Practice
https://www.readbyqxmd.com/read/28528287/population-pharmacokinetics-of-oxcarbazepine-and-its-metabolite-10-hydroxycarbazepine-in-healthy-subjects
#13
Natalicia de Jesus Antunes, Sven C van Dijkman, Vera Lucia Lanchote, Lauro Wichert-Ana, Eduardo Barbosa Coelho, Veriano Alexandre Junior, Osvaldo Massaiti Takayanagui, Eduardo Tozatto, Johan G C van Hasselt, Oscar Della Pasqua
Oxcarbazepine is indicated for the treatment of partial or generalized tonic-clonic seizures. The majority of the oxcarbazepine is converted into its active metabolite, 10-hydroxycarbazepine (MHD), which can exist as R-(-)- and S-(+)-MHD enantiomers. Here we describe the influence of the P-glycoprotein (P-gp) inhibitor verapamil, on the disposition of oxcarbazepine and MHD enantiomers, both of which are P-gp substrates. Healthy subjects (n=12) were randomized to oxcarbazepine or oxcarbazepine combined with verapamil at doses of 300mg b...
May 17, 2017: European Journal of Pharmaceutical Sciences
https://www.readbyqxmd.com/read/28523600/sodium-channel-blockers-in-the-treatment-of-epilepsy
#14
Martin J Brodie
Sodium channel blockers have been the mainstay of the pharmacological management of focal and generalised tonic-clonic seizures for more than 70 years. The focus of this paper will be on phenytoin, carbamazepine, lamotrigine, oxcarbazepine, rufinamide, lacosamide and eslicarbazepine acetate. All these antiepileptic drugs have similar efficacy and share similar dose-dependent, adverse effect profiles, although phenytoin, carbamazepine and oxcarbazepine are more likely to cause idiosyncratic reactions than the others...
May 18, 2017: CNS Drugs
https://www.readbyqxmd.com/read/28506334/-mecp2-duplication-syndrome-a-clinical-analysis-of-three-cases-and-literature-review
#15
Dan-Xia Tang, Dong-Fang Li, Ruo-Hao Wu, Li-Na Zhang, Xiang-Yang Luo
MECP2 duplication syndrome (MDS) is a rare pediatric disease and mainly manifests as delayed motor development, language loss or delay, recurrent infection, severe intellectual disability, epilepsy, autistic symptoms, and early infantile hypotonia. In this article, the three children with this disease were all boys. Cases 1 and 2 had delayed motor development, and language loss or delay as initial manifestations, and case 3 had recurrent infection as initial manifestation. Physical examination showed hypotonia and negative pathological signs in each case...
May 2017: Zhongguo Dang Dai Er Ke za Zhi, Chinese Journal of Contemporary Pediatrics
https://www.readbyqxmd.com/read/28503984/the-genotoxic-effect-of-oxcarbazepine-on-mice-blood-lymphocytes
#16
Huma Akbar, Ajmal Khan, Imdadullah Mohammadzai, Muhammad Khisroon, Ilham Begum
This study was conducted to assess the amount of DNA damage caused by Oxcarbazepine (OXC) through single cell gel electrophoresis (SCGE) technique/comet assay. OXC derived from dibenzazepine series is an effective second generation antiepileptic drug (AED) for both children and adults. Side effects like genotoxic effects of AEDs are of prime importance resulting from toxic metabolites, free radicals and reactive oxygen species (ROS). Forty Eight adult male Bagg's albino mice (BALB/c) were randomly classified into eight groups, each comprising of six animals...
May 15, 2017: Drug and Chemical Toxicology
https://www.readbyqxmd.com/read/28493020/development-and-validation-of-an-analytical-method-based-on-liquid-chromatography-tandem-mass-spectrometry-detection-for-the-simultaneous-determination-of-13-relevant-wastewater-derived-contaminants-in-lettuce
#17
Nicola Montemurro, Cristina Postigo, Antonio Lonigro, Sandra Perez, Damià Barceló
We present an analytical method developed and validated to study the potential uptake of 13 selected drugs (ten pharmaceuticals, one illicit drug, and two transformation products) into lettuce plants from contaminated water and soil. Some of the selected drugs (i.e., cocaine, methadone, cis-diltiazem, valsartan, and valsartan acid), which are commonly present in treated wastewater, were investigated for the first time in plant tissues. The method is based on ultrasonic solvent extraction with acetonitrile-methanol (1:1, v/v) and subsequent automated extract cleanup and analysis by means of online solid-phase extraction-liquid chromatography-tandem mass spectrometry...
May 11, 2017: Analytical and Bioanalytical Chemistry
https://www.readbyqxmd.com/read/28449565/effect-of-oxcarbazepine-on-serum-brain-derived-neurotrophic-factor-in-bipolar-mania-an-exploratory-study
#18
Rituparna Maiti, Biswa Ranjan Mishra, Jaseem Jowhar, Debadatta Mohapatra, Sansita Parida, Debasis Bisoi
Objective: In bipolar disorder, serum brain-derived neurotrophic factor (BDNF) level decreases leading to dysfunctions of critical neurotrophic, cellular plasticity and neuroprotective processes. The present study was conducted to evaluate the change in serum BDNF level with oxcarbazepine monotherapy in bipolar mania. Methods: The present study is a prospective, interventional, open label clinical study conducted on 25 patients of bipolar mania and 25 healthy controls...
May 31, 2017: Clinical Psychopharmacology and Neuroscience: the Official Scientific Journal of the Korean College of Neuropsychopharmacology
https://www.readbyqxmd.com/read/28419947/efficacy-and-safety-of-eslicarbazepine-acetate-in-elderly-patients-with-focal-epilepsy-case-series
#19
A Gómez-Ibáñez, J M Serratosa, E Guillamón, M Garcés, B G Giráldez, M Toledo, J Salas-Puig, F J López-González, J Rodríguez-Uranga, A Castillo, J A Mauri, J L Camacho, E López-Gomáriz, P Giner, N Torres, J Palau, A Molins, V Villanueva
PURPOSE: Eslicarbazepine-acetate (ESL) is a third generation antiepileptic drug licensed as adjunctive therapy in adults with focal seizures. Efficacy and safety of ESL have been established in real-life setting. However, data about outcomes in elderly patients are scarce. Primary endpoint was to evaluate outcomes of ESL in elderly patients. METHOD: This was a retrospective survey that included patients >65years with focal seizures who started ESL between January 2010 and July 2012 at 12 Spanish Hospitals...
April 7, 2017: Seizure: the Journal of the British Epilepsy Association
https://www.readbyqxmd.com/read/28408188/investigation-and-risk-evaluation-of-the-occurrence-of-carbamazepine-oxcarbazepine-their-human-metabolites-and-transformation-products-in-the-urban-water-cycle
#20
Elena Brezina, Carsten Prasse, Johannes Meyer, Harald Mückter, Thomas A Ternes
Trace organic contaminants such as pharmaceuticals, personal care products and industrial chemicals are frequently detected in the urban water cycle, including wastewater, surface water and groundwater, as well as drinking water. These also include human metabolites (HMs), which are formed in the human body and then excreted via urine or feces, as well as transformation products (TPs) formed in engineered treatment systems and the aquatic environment. In the current study, the occurrence of HMs as well as their TPs of the anticonvulsants carbamazepine (CBZ) and oxcarbazepine (OXC) were investigated using LC tandem MS in effluents of wastewater treatment plants (WWTPs), surface water and groundwater...
April 10, 2017: Environmental Pollution
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