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Zarontin (Ethosuximide) - Summary

 



ZARONTIN SUMMARY

Zarontin (ethosuximide) is an anticonvulsant succinimide, chemically designated as alpha-ethyl-alpha-methyl-succinimide.

Zarontin is indicated for the control of absence (petit mal) epilepsy.


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NEWS HIGHLIGHTS

Media Articles Related to Zarontin (Ethosuximide)

NeuroTherapeutics Pharma Receives Investment From The Epilepsy Therapy Project
Source: Epilepsy News From Medical News Today [2009.11.11]
NeuroTherapeutics Pharma, Inc., or NTP, a biopharmaceutical company focused on developing novel therapies for central nervous system (CNS) disorders, today announced that it received a $100,000 investment from the Epilepsy Therapy Project. The Epilepsy Therapy Project invests in promising research efforts in order to help make new therapies a reality for patients, and the investment in NTP is one of the largest made in its history.

Ikano Therapeutics Receives Orphan Drug Designation For Epilepsy Drug
Source: Epilepsy News From Medical News Today [2009.11.11]
Ikano Therapeutics, Inc. (ITI) announced that it has received Orphan Drug designation for midazolam in the acute treatment of certain forms of epileptic seizure known as cluster seizures or alternatively, as acute repetitive seizures. ITI has a nasally administered form of midazolam called ITI-111 in late stage clinical development that is aimed at the treatment of these specific seizure types in an outpatient setting where other routes of administration can be difficult or inappropriate.

Alzheimer's Society Comment On The Use Of Epilepsy Drugs To Treat Alzheimer's
Source: Epilepsy News From Medical News Today [2009.10.29]
Epilepsy drugs could be developed as a treatment for neurodegenerative diseases according to research published in the journal Molecular Neurodegeneration. The study found that nerve cells lived longer when treated with T-type calcium-channel blockers, which are commonly used to treat epilepsy. 'This study is interesting since other research has shown that anti-convulsant drugs reduce the tangles of proteins linked to Alzheimer's disease.

Alzheimer's And Parkinson's Could Be Treated By Epilepsy Drugs
Source: Epilepsy News From Medical News Today [2009.10.29]
Researchers in the USA have discovered a potential new function for anti-epileptic drugs in treating neurodegenerative disorders such as Alzheimer's and Parkinson's disease. The study, published in BioMed Central's open access journal Molecular Neurodegeneration, found that neurons in the brain were protected after treatment with T-type calcium-channel blockers, which are commonly used to treat epilepsy.

Epilepsy Treatment Is A Possible Culprit For Development Of Schizophrenia
Source: Epilepsy News From Medical News Today [2009.10.21]
Researchers say antiepilectic drug treatments administered when the brain is developing appear to trigger schizophrenia-like behavior in animal models. In humans, having a history of seizures in infancy is a significant risk factor for development of schizophrenia later in life, but it is not known whether the elevated risk is due to seizures themselves, or from side effects antiepileptic drug (AED) treatment.

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Published Studies Related to Zarontin (Ethosuximide)

Interactions of tiagabine with ethosuximide in the mouse pentylenetetrazole-induced seizure model: an isobolographic analysis for non-parallel dose-response relationship curves. [2008.11]
The aim of this study was to characterize the interaction between tiagabine (TGB) and ethosuximide (ETS), two antiepileptic drugs, in pentylenetetrazole (PTZ)-induced clonic seizures in mice using isobolographic analysis. The nature of the interaction between the drugs administered in combination was ascertained by estimating plasma and brain concentrations of ETS and TGB using fluorescence polarization immunoassay (FPIA) and high-performance liquid chromatography (HPLC)...

Enhancement of anti-absence effects of ethosuximide by low doses of a noncompetitive alpha-amino-3-hydroxy-5-methyl-4-isoxazolepropionic acid (AMPA) receptor antagonist in a genetic animal model of absence epilepsy. [2008.08]
N-Acetyl-1-(4-chlorophenyl)-6,7-dimethoxy-1,2,3,4-tetrahydroisoquinoline (THIQ-10c) is a noncompetitive alpha-amino-3-hydroxy-5-methyl-4-isoxazolepropionic acid (AMPA) receptor antagonist that has been demonstrated to antagonize generalized tonic-clonic seizures in different animal models of epilepsy.

Is ethosuximide a risk factor for generalised tonic-clonic seizures in absence epilepsy? [2007.04]
The occurrence of generalised tonic-clonic seizures (GTCS) was investigated in patients with absence epilepsy (AE), evaluating the opinion that ethosuximide does not protect against GTCS. Our retrospective study included 238 patients with absences and generalised 3-Hz spike waves (SW).

Characterization of the anticonvulsant, behavioral and pharmacokinetic interaction profiles of stiripentol in combination with clonazepam, ethosuximide, phenobarbital, and valproate using isobolographic analysis. [2006.11]
PURPOSE: Isobolographic analysis was used to characterize the interactions between stiripentol (STP) and clonazepam (CZP), ethosuximide (ETS), phenobarbital (PB), and valproate (VPA) in suppressing pentylenetetrazole (PTZ)-induced clonic seizures in mice... CONCLUSIONS: Based on BI values, the combination of STP with PB at the fixed ratio of 1:3 appears to be a particularly favourable combination. In contrast, STP and CZP or ETS (at the fixed ratios of 1:1 and 3:1) were unfavorable combinations. However, these conclusions are confounded by the fact that STP is associated with significant pharmacokinetic interactions. The remaining combinations of STP with PB (1:1 and 3:1), CZP (1:3), ETS (1:3), and VPA (at all fixed ratios of 1:3, 1:1, and 3:1) do not appear to be potential favorable AED combinations.

Evaluation of gabapentin and ethosuximide for treatment of acute nonconvulsive seizures following ischemic brain injury in rats. [2006.09]
Acute seizures following brain injury have been associated with a worsening of patient outcome, but they are often undiagnosed and untreated when they occur without motor convulsions. Here, we sought to compare the antiseizure profile of ethosuximide (EXM; 125-312.5 mg/kg i.v.) and gabapentin (GBP; 0.3-50 mg/kg...

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Clinical Trials Related to Zarontin (Ethosuximide)

Safety and Efficacy Study of Ethosuximide for the Treatment of Complex Regional Pain Syndrome (CRPS). [Recruiting]
Pain remains the most debilitating symptom for adult patients suffering from complex regional pain syndrome (CRPS). Most CRPS patients gain little to no relief from current painkillers. The purpose of this study is to evaluate the efficacy and safety of ethosuximide in search of much-needed adjunctive therapy to relieve the pain and suffering associated with CRPS.

Childhood Absence Epilepsy Rx PK-PD-Pharmacogenetics Study [Active, not recruiting]

Ketogenic Diet vs.Antiepileptic Drug Treatment in Drug Resistant Epilepsy [Recruiting]
This is an open randomized controlled study in children with mental retardation and refractory epilepsy in which treatment with ketogenic diet (KD) is compared with treatment with the antiepileptic drug (AED), not tried by the patient before, which we consider to be the most appropriate AED for the patient.

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Page last updated: 2009-11-11

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