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10:47 EST 21st February 2020 | BioPortfolio

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Showing "LEVETIRACETAM" PubMed Articles 1–25 of 38

Levetiracetam concentration in hair is associated with the time schedule of administration: study on rats.

Measurement of hair drug content may be a reliable biomarker of the history of drug exposure, allowing to assess patient long-term compliance. Studies on correlations between antiepileptic drugs intake and their hair contents are limited. The aim of the study was to determine the association between the history of levetiracetam administration and its content in rat hair in controlled laboratory conditions. Additionally, the effects of levetiracetam on hair growth rate and body weights were examined. Three g...

Comparison of clonazepam and levetiracetam in children for prevention of busulfan-induced seizure in hematopoietic stem cell transplantation.

Antiseizure prophylaxis is required during busulfan administration for hematopoietic stem cell transplantation. However, antiseizure agents such as benzodiazepines and phenytoin may produce adverse effects through interaction with other drugs. We retrospectively assessed the prophylactic efficacy and safety of levetiracetam and clonazepam against busulfan-induced seizures between 2013 and 2018. Thirty patients (after 2015) received levetiracetam, and 13 patients (before 2015) received clonazepam in this stu...

Efficacy and safety of levetiracetam in Japanese epilepsy patients: A retrospective cohort study.

Levetiracetam is an antiepileptic drug with good tolerability that is used for focal and generalized epilepsy as well as acute treatment of status epilepticus; it is also a first-line antiepileptic drug for patients with concomitant medical conditions. The effect of blood levetiracetam concentration on its efficacy and safety in Japanese patients with epilepsy is unknown.

Risk factors predisposing to psychotic symptoms during levetiracetam therapy: A retrospective study.

While levetiracetam (LEV) usage is a known risk factor for psychosis in epilepsy, the modulating effect of certain patient and treatment characteristics on the risk of psychosis has yet to be fully elucidated.

Levetiracetam in genetic generalized epilepsy: A prospective unblinded active-controlled trial.

To compare the efficacy and tolerability of levetiracetam (LEV) versus valproate (VPA) monotherapy in adults with genetic generalized tonic-clonic seizures alone (GTCS) and juvenile myoclonic epilepsy (JME).

Therapeutic effect of intravenous levetiracetam in status epilepticus: A meta-analysis and systematic review.

We performed this analysis to evaluate the efficacy and safety of intravenous levetiracetam (IV LEV) in patients with status epilepticus.

Levetiracetam and cutaneous adverse reactions: A systematic review of descriptive studies.

Recently, there have been an increased number of reports on levetiracetam (LEV) induced cutaneous adverse drug reactions (CADRs). We aimed to identify and critically evaluate all the descriptive studies on LEV induced-CADRs and to describe the possible clinical manifestations, management, and treatment outcomes of the condition.

Levetiracetam at the End of Life: A Case Report and Discussion.

Patients with primary brain tumors may present with neuropsychiatric symptoms such as behavioral and personality changes at any point during the disease course. Symptoms may be due to tumor treatment, the disease itself, or due to therapy for symptoms such as seizures. Levetiracetam is an attractive choice of antiepileptic medication because of relatively fewer drug interactions and may be administered through the subcutaneous route. Aggressive behavior in advanced brain tumors can have a profound negative ...

New recommendations for antiepileptic drug therapy: the last piece in the review of epilepsy care.

Antiepileptic drug (AED) therapy is symptomatic. New AED:s have not decreased the proportion of epilepsy patients resistant to pharmacological treatment. Lamotrigine, levetiracetam and carbamazepine are first-line options for focal seizures. Lamotrigine, levetiracetam and valproic acid are first-line options for generalized seizures. However, valproic acid is contraindicated during pregnancy unless there is no other effective treatment available, as well as for fertile girls/women unless the conditions of a...

Levetiracetam-Through a Psychiatric Prism.

Antiepileptogenic effects of Ethosuximide and Levetiracetam in WAG/Rij rats are only temporary.

WAG/Rij rats represent a validated genetic animal model of epileptogenesis, absence epilepsy and depressive-like comorbidity. Some treatments (e.g. ethosuximide), using specific protocols, prevent the development of spontaneous absence seizures. Accordingly, ethosuximide increases remission occurrence in children with childhood absence epilepsy in comparison to valproic acid. Considering that in this animal model, antiepileptogenic effects are, in some cases, not retained over time, we studied whether the a...

Maintenance of plasma levels of levetiracetam in subcutaneous, continuous and prolonged palliative infusion by elastomeric infusors.

Levetiracetam and non-vitamin K antagonist oral anticoagulants in patients with atrial fibrillation and epilepsy: a reasonable combination.

Levetiracetam-induced de novo psychosis: Is there a type of patient with epilepsy who is neurostructural and/or biologically more vulnerable to developing it?

Acute effect of cannabidiol on the activity of various novel antiepileptic drugs in the maximal electroshock- and 6 Hz-induced seizures in mice: pharmacodynamic and pharmacokinetic studies.

Cannabidiol and cannabidiol-enriched products have recently attracted much attention as an add-on therapy for epilepsy, especially drug-resistant seizures. It should be, however, remembered that concomitant use of cannabidiol and antiepileptic drugs may pose a risk of interactions between them. For this reason, the aim of our study was to assess the effect of cannabidiol on the activity of selected new antiepileptic drugs in the electrically-induced seizure models in mice. We studied the effect of cannabidi...

Genotoxicity assessment of antiepileptic drugs (AEDs) in human embryonic stem cells.

Several antiepileptic drugs (AEDs) are administrated during pregnancy according to recent therapeutic protocols. Ten percent of pregnant women with epilepsy give birth to offspring with malformations and teratogenic defects. Since the mechanism of action of AEDs is not yet completely understood, therefore, it could be hypothesized that they may cause cyto- or genotoxicity in embryonic fetus cells. To investigate this hypothesis, the genotoxicity and cell survival of AEDs treated human embryonic stem cells (...

Disease-modifying effects of a novel T-type calcium channel antagonist, Z944, in a model of temporal lobe epilepsy.

We evaluated whether pharmacologically targeting T-type Ca channels with Z944, a potent and selective antagonist, has disease-modifying effects in a model of temporal lobe epilepsy (TLE) that exhibits spontaneous recurrent seizures, and manifests behavioral and cognitive comorbidities commonly experienced by patients with this condition. Wistar rats underwent implantation of EEG electrodes and one week later 4 hours of kainic acid-induced status epilepticus (SE). Animals were randomly assigned to one of 5...

Effect of levetiracetam monotherapy on lipid profiles and thyroid hormones in children with epilepsy: A prospective study.

Long-term treatment with some older antiepileptic drugs may lead to dyslipidemia or thyroid disturbances. The effect of levetiracetam (LEV), a newer broad spectrum antiepileptic agent, on cardiovascular risk factors is not yet sufficiently investigated. The purpose of this study was to investigate prospectively the effect of LEV monotherapy on serum lipid profile and thyroid hormones levels in children with epilepsy. The study population consisted of 39 children (21 females, 18 males, mean age 6.8 ± 4,...

The potential effects of anticonvulsant drugs on neuropeptides and neurotrophins in pentylenetetrazol kindled seizures in the rat.

Neuropeptides and neurotrophic factors are thought to be involved in epileptogenesis. This study aims to investigate the potential effects of anticonvulsant drugs on neuropeptides (galanin and neuropeptide Y) and neurotrophic factors (BDNF and NGF) in pentylenetetrazol (PTZ)-kindled seizures in the rat. Forty-eight adult male Sprague-Dawley rats were included in the study. The animals were divided into 8 groups of six rats. Group 1 was defined as naïve control, and received no medication. Group 2 (PTZ +...

Treatment with brivaracetam in children - The experience of a pediatric epilepsy center.

The new anticonvulsant brivaracetam is a levetiracetam analog which binds to the synaptic vesicle protein 2A, and inhibits excitatory neurotransmitters' release. Brivaracetam was Food and Drug Administration (FDA) and European Medicine Agency (EMA) approved in 2016 as adjunctive treatment for focal onset seizures in patients over 16 years of age, and in 2018 for children over four years of age. Our aim was to describe effectiveness and tolerability in real-life pediatric epilepsy clinic.

An interaction study of Ocimum sanctum L. and levetiracetam in pentylenetetrazole kindling model of epilepsy.

Ocimum sanctum L. commonly known as tulsi (synonym of Ocimum tenuiflorum L.) is widely used in Ayurveda medicine and is having multitude neuromodulatory effect including the anticonvulsant effect in acute seizure models as per previous studies. In India, it is used for the treatment of epilepsy as traditional medicine. However, its role in chronic seizure model and interaction with newer antiepileptic drugs has not been investigated, which will enhance its translational value.

Differential antiseizure medication sensitivity of the Affective Reactivity Index: A randomized controlled trial in new-onset pediatric focal epilepsy.

Irritability is a adverse effect of many antiseizure medications (ASMs), but there are no validated measures currently available to characterize this behavioral risk. We examined both child and parent/guardian versions of the Affective Reactivity Index (ARI), a validated measure developed for application in adolescent psychiatry, to determine its sensitivity to ASM-related irritability. We hypothesized irritability increases associated with levetiracetam (LEV) but not lamotrigine (LTG) or oxcarbazepine (OXC...

The regulative effects of levetiracetam on adult hippocampal neurogenesis in mice via Wnt/β-catenin signaling.

Adult hippocampal neurogenesis plays the pivotal roles in central nervous system diseases. Recently, it has been reported that levetiracetam (LEV), a new antiepileptic drug with novel chemical construction and unique pharmacological properties, suppressed aberrant adult subventricular zone (SGZ) neurogenesis in kainite-induced epileptic mice, while promoted adult SGZ neuroblast differentiation in normal mice. These studies indicate LEV can modulate adult hippocampal neurogenesis, but the exact mechanism rem...

Refractory epilepsy associated with anti-ribosomal P antibodies successfully treated with topiramate.

We report the case of a 25-year-old woman who developed temporal lobe epilepsy associated with systemic lupus erythematosus (SLE). Serum and cerebrospinal fluid samples showed high titers of anti-ribosomal P (anti-P) antibodies with negative anti-NMDAR antibodies. She was receiving prednisone and azathioprine, with normalization of SLE serum markers, but without changes in titers of anti-P antibodies. No seizure control was achieved using valproic acid, levetiracetam and lamotrigine. However, she had a sele...

Evaluation of the Clinical Features, Management, and Prognoses of Patients With Charles Bonnet Syndrome.

Charles Bonnet syndrome (CBS) is characterized by visual hallucinations with preservation of cognitive abilities. The hallucinations consist mostly of vivid (realistic) objects and tend to reoccur. Here, we evaluate the etiologies, symptoms, treatments, and prognoses of 13 CBS cases. All patients had visual hallucinations but were normal on cognitive and psychiatric assessments. Patient demographic and clinical characteristics, treatment options, and 3-month follow-up data were retrospectively reviewed. The...

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