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The purpose of this study is to determine the correct dosing for intravenous levetiracetam in term new born babies with seizures. In addition information on safety and efficacy will be collected. This new anticonvulsant drug is a promising treatment for seizures in newborns.
There is a pressing need to improve the treatment of seizures in the neonatal period. The anticonvulsant agents currently in use may damage the developing brain and are quite ineffective at controlling seizures in neonates. Newborn seizures are common (1 in 300 newborns) and are associated with very poor outcomes. 20-30% of infants with neonatal seizures die, 20-30% develop epilepsy outside the neonatal period and 20-40% develop cerebral palsy and/or mental retardation. Better treatments for neonatal seizures could improve these outcomes.
An intravenous form of the anti-seizure medication levetiracetam has been released for use in adults with epilepsy. Experience with oral levetiracetam has shown it to be a very safe medication, with good efficacy in stopping seizures in other age groups. The intravenous preparation could allow its use in neonates with seizures. Drug handling by the body is very different in neonates to adults. Before we can use levetiracetam in this age group we need to determine the correct dose and frequency by studying its absorption and distribution in the body (pharmacokinetic profile).
This study is an add-on open label pharmacokinetic and preliminary safety study. Twenty-four patients with neonatal seizures, who still experience clinical or electroencephalographic seizures after treatment with Phenobarbital will be treated with intravenous levetiracetam, and serial determinations of serum levetiracetam levels will be made to allow calculation of pharmacokinetic parameters. We will also collect preliminary safety data. We will specifically monitor for abnormalities of heart rate, respiratory rate and blood pressure, unexpected death, the occurrence of hypotonia, sedation, poor feeding, irritability or infection. Blood tests monitoring blood, liver and kidney function will be checked at baseline, 48 hours and at completion of 7 days of treatment. We will also collect preliminary descriptive data on the efficacy of levetiracetam in stopping neonatal seizures.
Allocation: Non-Randomized, Control: Dose Comparison, Endpoint Classification: Pharmacokinetics Study, Intervention Model: Single Group Assignment, Masking: Open Label, Primary Purpose: Treatment
UCSD Hillcrest Medical Center
University of California, San Diego
Published on BioPortfolio: 2014-08-26T22:39:04-0400
A new anticonvulsant, levetiracetam will be studied to treat seizures in newborn infants. Current treatments for the brain damaging complication of neonatal seizures are unsatisfactory. ...
The hypothesis is that a loading dose of 20 mg/kg and a maintenance dose of 5 mg/kg of Levetiracetam is going to be safe and effective in the treatment of seizures in neonates.
The test article for this study is levetiracetam (Keppra, which is commercially available. Keppra is indicated for use as adjunctive therapy in the treatment of partial onset seizure disor...
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OBJECTIVE To compare the pharmacokinetics of various formulations of levetiracetam after oral administration of a single dose to healthy dogs. ANIMALS 6 neurologically normal mixed-breed dogs. PROCEDU...
An anticonvulsant used for several types of seizures, including myotonic or atonic seizures, photosensitive epilepsy, and absence seizures, although tolerance may develop. It is seldom effective in generalized tonic-clonic or partial seizures. The mechanism of action appears to involve the enhancement of GAMMA-AMINOBUTYRIC ACID receptor responses.
Seizures that occur during a febrile episode. It is a common condition, affecting 2-5% of children aged 3 months to five years. An autosomal dominant pattern of inheritance has been identified in some families. The majority are simple febrile seizures (generally defined as generalized onset, single seizures with a duration of less than 30 minutes). Complex febrile seizures are characterized by focal onset, duration greater than 30 minutes, and/or more than one seizure in a 24 hour period. The likelihood of developing epilepsy (i.e., a nonfebrile seizure disorder) following simple febrile seizures is low. Complex febrile seizures are associated with a moderately increased incidence of epilepsy. (From Menkes, Textbook of Child Neurology, 5th ed, p784)
A condition where seizures occur in association with ethanol abuse (ALCOHOLISM) without other identifiable causes. Seizures usually occur within the first 6-48 hours after the cessation of alcohol intake, but may occur during periods of alcohol intoxication. Single generalized tonic-clonic motor seizures are the most common subtype, however, STATUS EPILEPTICUS may occur. (Adams et al., Principles of Neurology, 6th ed, p1174)
An anticonvulsant especially useful in the treatment of absence seizures unaccompanied by other types of seizures.
Immunoglobulin preparations used in intravenous infusion, containing primarily IMMUNOGLOBULIN G. They are used to treat a variety of diseases associated with decreased or abnormal immunoglobulin levels including pediatric AIDS; primary HYPERGAMMAGLOBULINEMIA; SCID; CYTOMEGALOVIRUS infections in transplant recipients, LYMPHOCYTIC LEUKEMIA, CHRONIC; Kawasaki syndrome, infection in neonates, and IDIOPATHIC THROMBOCYTOPENIC PURPURA.
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