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Michael A Rogawski
Since the 1970s, racetams have been in use as cognitive enhancers. Levetiracetam was discovered to have antiseizure activity in animal models and was then found to bind to SV2A in synaptic and endocrine vesicles. Brivaracetam, an analog of levetiracetam, was identified in a medicinal chemistry campaign with the objective of discovering analogs with higher affinity at racetam-binding sites and greater antiseizure potency.
October 20, 2016: Cell
Shery Jacob, Anroop B Nair
Given the distinctive characteristics of both epilepsy and antiepileptic drugs (AEDs), therapeutic drug monitoring (TDM) can make a significant contribution to the field of epilepsy. The measurement and interpretation of serum drug concentrations can be of benefit in the treatment of uncontrollable seizures and in cases of clinical toxicity; it can aid in the individualization of therapy and in adjusting for variable or nonlinear pharmacokinetics; and can be useful in special populations such as pregnancy. This review examines the potential for TDM of newer AEDs such as eslicarbazepine acetate, felbamate, gabapentin, lacosamide, lamotrigine, levetiracetam, perampanel, pregabalin, rufinamide, retigabine, stiripentol, tiagabine, topiramate, vigabatrin, and zonisamide...
October 20, 2016: Drugs in R&D
A Schattner, A Al-Bewerat
No abstract text is available yet for this article.
October 2016: Netherlands Journal of Medicine
Jeroen G V Habets, Albert F G Leentjens, Olaf E M G Schijns
Levetiracetam may induce serious behavioral disturbances, especially after surgical resection of frontal lobe low-grade glioma. Two patients, treated with levetiracetam, developed serious psychiatric complications postoperatively which completely resolved after switching to valproate. We aim to create awareness for this serious but reversible adverse effect of levetiracetam in this specific patient category.
October 20, 2016: British Journal of Neurosurgery
U C Wieshmann, G Baker
OBJECTIVE: To ascertain efficacy and tolerability of carbamazepine (CBZ), sodium valproate (VPA), lamotrigine (LTG) and levetiracetam (LEV) using the UKAED register ( METHODS: Patients on CBZ (n=91), VPA (n=61), LTG (n=105), LEV (n=72) and healthy control subjects (CTR) on no medication (n=51) were extracted. All patients had anonymously provided information on seizure type and frequency and completed the Liverpool Adverse Event Profile (LAEP). RESULTS: The number of seizure-free patients in the last 4 weeks was overall CBZ/VPA/LTG/LEV=60%/79%/67%/67%, for generalized epilepsy was CBZ/VPA/LTG/LEV=67%/89%/65%/94%, and for localization-related epilepsy was CBZ/VPA/LTG/LEV=59%/71%/67%/57%...
October 18, 2016: Acta Neurologica Scandinavica
Garima Shukla, Anupama Gupta, Priya Agarwal, Shivani Poornima
PURPOSE: Levetiracetam (LEV) is often chosen early in the treatment of refractory epilepsy; however, its adverse effects have largely been studied as part of clinical trials. Oxcarbazepine and valproate (VPA) are the other commonly used AEDs and, hence, serve as good comparators. This study was conducted to evaluate behavioral abnormalities and somnolence among patients with epilepsy being treated with LEV and/or OXC compared with those receiving VPA. METHOD: Data of consecutive patients attending our intractable epilepsy clinic over a 2 1/2-year period were reviewed, and patients with at least one seizure a month, who had been initiated on either or a combination of LEV, VPA, or OXC, were included for analysis...
October 15, 2016: Epilepsy & Behavior: E&B
Wolfgang Löscher, Michel Gillard, Zara A Sands, Rafal M Kaminski, Henrik Klitgaard
The synaptic vesicle glycoprotein SV2A belongs to the major facilitator superfamily (MFS) of transporters and is an integral constituent of synaptic vesicle membranes. SV2A has been demonstrated to be involved in vesicle trafficking and exocytosis, processes crucial for neurotransmission. The anti-seizure drug levetiracetam was the first ligand to target SV2A and displays a broad spectrum of anti-seizure activity in various preclinical models. Several lines of preclinical and clinical evidence, including genetics and protein expression changes, support an important role of SV2A in epilepsy pathophysiology...
October 17, 2016: CNS Drugs
Nickalus R Khan, Matthew A VanLandingham, Tamara M Fierst, Caroline Hymel, Kathryn Hoes, Linton T Evans, Rory Mayer, Fred Barker, Paul Klimo
BACKGROUND: Posttraumatic seizure (PTS) is a significant complication of traumatic brain injury (TBI). OBJECTIVE: To perform a systematic review and meta-analysis to compare levetiracetam with phenytoin for seizure prophylaxis in patients diagnosed with severe TBI. METHODS: An inclusive search of several electronic databases and bibliographies was conducted to identify scientific studies that compared the effect of levetiracetam and phenytoin on PTS...
September 30, 2016: Neurosurgery
Kazuhiro Muramatsu, Noriko Sawaura, Tomomi Ogata, Nishiki Makioka, Keiko Tomita, Toshino Motojima, Kuniko Ida, Kyoko Hazama, Hirokazu Arakawa
INTRODUCTION: Levetiracetam has a high tolerability and is effective against various seizure types and epilepsy syndromes. However, no study has specifically evaluated the efficacy of levetiracetam in children with refractory epilepsy based on magnetic resonance imaging (MRI) findings and the presence of intellectual disability (ID). METHODS: We retrospectively evaluated levetiracetam efficacy and safety in 49 pediatric patients who met the following inclusion criteria: (1) diagnosis of refractory epilepsy with first-line antiepileptic (AED) treatment ⩾2years, (2) younger than 20years old, and (3) received oral levetiracetam treatment for ⩾6months...
October 13, 2016: Brain & Development
Jose Maria Lloreda-García, Jose Ramón Fernández-Fructuoso, Elisabeth Gómez-Santos, Ana García-González, Jose Luis Leante-Castellanos
No abstract text is available yet for this article.
October 12, 2016: Anales de Pediatría: Publicación Oficial de la Asociación Española de Pediatría (A.E.P.)
C Aeberhard, C Steuer, C Saxer, A Huber, Z Stanga, S Mühlebach
BACKGROUND: Parenteral antiepileptic drugs are frequently used in critically ill patients for seizure control therapy or prevention. Many of these patients require additional parenteral nutrition (PN). Therefore, a parallel infusion of the frequently used antiepileptic drug levetiracetam (LEV) is interesting in terms of the restricted i.v. lines (e.g., neonates). The potential interactions of the complex PN admixture with the drug product and the appropriate admixing of a drug at effective dosages require physicochemical lab assessments to obtain specific and reliable pharmaceutical documentation for the intended admixing...
October 11, 2016: European Journal of Pharmaceutical Sciences
Xi Lu, Xuefeng Wang
Hyponatremia induced by antiepileptic drugs (AEDs) has not received sufficient attention in patients with epilepsy. Areas covered: We reviewed articles between 1966 and 2015 about hyponatremia as an adverse effect of AEDs in patients with epilepsy. The incidence, clinical symptoms, onset times of AEDs-induced hyponatremia are discussed in detail, as are the risk factors associated with AEDs-induced hyponatremia and mechanisms underlying its development. We also briefly describe strategies for treating AED-induced hyponatremia...
October 13, 2016: Expert Opinion on Drug Safety
Francesco Brigo, Nicola Bragazzi, Raffaele Nardone, Eugen Trinka
AIM: The aim of this study was to conduct a meta-analysis of published studies to directly compare intravenous (IV) levetiracetam (LEV) with IV phenytoin (PHT) or IV valproate (VPA) as second-line treatment of status epilepticus (SE), to indirectly compare intravenous IV LEV with IV VPA using common reference-based indirect comparison meta-analysis, and to verify whether results of indirect comparisons are consistent with results of head-to-head randomized controlled trials (RCTs) directly comparing IV LEV with IV VPA...
October 10, 2016: Epilepsy & Behavior: E&B
Mari Videman, Susanna Stjerna, Reina Roivainen, Taina Nybo, Sampsa Vanhatalo, Eija Gaily, Jukka M Leppänen
INTRODUCTION: Prenatal antiepileptic drug (AED) exposure is associated with an increased risk of cognitive impairment and autism spectrum disorders detected mainly at the age of two to six years. We examined whether the developmental aberrations associated with prenatal AED exposure could be detected already in infancy and whether effects on visual attention can be observed at this early age. MATERIAL AND METHODS: We compared a prospective cohort of infants with in utero exposure to AED (n=56) with infants without drug exposures (n=62)...
October 9, 2016: Epilepsy & Behavior: E&B
Oh-Young Kwon, Sung-Pa Park
PURPOSE: Irritability has been reported in epilepsy patients. We identified associated factors for interictal irritability in epilepsy patients. METHOD: Adult epilepsy patients who received antiepileptic drugs (AEDs) for at least 1year were invited to participate in this study. For eligible patients, several questionnaires, such as the Irritability in Adult Patients with Epilepsy (I-Epi), the Korean version of the Neurological Disorders Depression Inventory for Epilepsy (K-NDDI-E), the Generalized Anxiety Disorder-7 (GAD-7), the Epworth Sleepiness Scale (ESS), and the Insomnia Severity Index (ISI), were administered...
September 29, 2016: Seizure: the Journal of the British Epilepsy Association
M Baulac, W Byrnes, P Williams, S Borghs, E Webster, M De Backer, P Dedeken
OBJECTIVE: To assess prospectively the effectiveness of lacosamide (LCM) added to levetiracetam (LEV) after down-titration of a concomitant sodium channel blocker (SCB) among patients with focal epilepsy not adequately controlled on LEV and SCB. METHODS: In this open-label trial, LCM was initiated at 100 mg/day and up-titrated to 200-600 mg/day over 9 weeks; SCB down-titration started when LCM dose reached 200 mg/day. Patients remained on stable LCM/LEV doses for 12 weeks' maintenance (21-week treatment period)...
October 6, 2016: Acta Neurologica Scandinavica
Mindl M Messinger, Kimberly L Dinh, Erin J McDade, Brady S Moffett, Angus A Wilfong, Antonio G Cabrera
BACKGROUND: Advances in cardiac operations over the last few decades, including corrective operations in early life, have dramatically increased the survival of children with congenital heart disease. However, postoperative care has been associated with neurologic complications, with seizures being the most common manifestation. The primary objective of this study is to describe the outcomes in pediatric patients who received an antiepileptic drug (AED) post-cardiac surgery. METHOD: A retrospective cohort study was performed in all patients less than 18 years of age who received an AED in the cardiovascular intensive care unit at Texas Children's Hospital from June 2002 until June 2012...
July 2016: Journal of Pediatric Pharmacology and Therapeutics: JPPT: the Official Journal of PPAG
Kelsey Merison, Howard Jacobs
While the diagnosis of migraine in children is generally straightforward, treatment can seem complex with a number of medication choices, many of which are used "off label." Patients with intermittent migraines can often be managed with ibuprofen or naproxen taken as needed. Unfortunately, by the time that children present to our practice, they have often tried these medications without improvement. Triptans are frequently prescribed to these patients with good success. It is important to make the patient aware of the possible associated serotonergic reactions...
November 2016: Current Treatment Options in Neurology
Michael R Cohen, Judy L Smetzer
These medication errors have occurred in health care facilities at least once. They will happen again-perhaps where you work. Through education and alertness of personnel and procedural safeguards, they can be avoided. You should consider publishing accounts of errors in your newsletters and/or presenting them at your inservice training programs. Your assistance is required to continue this feature. The reports described here were received through the Institute for Safe Medication Practices (ISMP) Medication Errors Reporting Program...
September 2016: Hospital Pharmacy
Krzysztof Kamiński
The multifunctional ligands approach is one of the modern strategies in drug discovery especially in relation to diseases with complex pathomechanism, such as Alzheimer's disease, cancer, or epilepsy. According to this method different molecules with given biological properties are combined in a single chemical entity to provide complex and broad activity. Thus, with the aim of obtaining more efficacious antiepileptic drugs (AEDs) that will suppress different types of human seizures, the new hybrid anticonvulsants based on the pyrrolidine-2,5-dione scaffold have been described...
September 27, 2016: Current Topics in Medicinal Chemistry
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