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Clinical Trial Summary

The main goal of the study is to obtain pharmacokinetic and safety data of bumetanide in newborns with refractory seizures. The overall hypothesis is that bumetanide, added to conventional antiepileptic (antiseizure) medications, will be a safe and well tolerated medication, compared with conventional antiepileptic drugs alone.


Clinical Trial Description

Seizures occur more often during the newborn period (2-3.5 per 1000 live births) than at any later age. Neonatal seizures can lead to frequent and serious long-term consequences in survivors, such as later epilepsy and significant cognitive and motor disabilities. Unfortunately there are no completely effective drugs to treat neonatal seizures. Anti-epileptic drugs (AEDs) currently used to treat neonatal seizures are generally ineffective and have significant potential for side effects. Furthermore, many of these AEDs have never been tested in a randomized study. Numerous experts have thus emphasized in the last few years the urgent need for randomized trials of potential new treatments for neonatal seizures. The investigators are conducting a pilot study of the drug bumetanide as one such potential and novel treatment. Bumetanide is a commercially available drug that has been used safely in newborns as a diuretic for many years with minimal side effects. Recent basic science research in animals has shown bumetanide to be very effective in reducing seizures in neonatal animals by blocking a specific chloride importer which is highly expressed in neonates but not in children and adults (1). Moreover, these experimental studies have shown bumetanide to be particularly effective against seizures when used in combination with phenobarbital (PB), which is the standard first drug given to treat neonatal seizures (2). The investigators will conduct a randomized, double-blind, controlled, dose escalation study of BTN as add-on therapy to treat refractory seizures caused by HIE, focal or multi-focal stroke, intracranial hemorrhage, CNS infection, genetic syndrome, focal or diffuse brain malformation, idiopathic or presumed genetic etiology of seizures, or metabolic disorder other than electrolyte disturbances or those caused by renal failure not controlled by an initial loading dose of PB. The trial will test the feasibility of early enrollment of newborns with HIE, rapid application of a full montage EEG, and continuous review of EEG data to detect refractory seizures as soon as they occur following an initial loading dose of PB. When an EEG-proven seizure occurs at least 30 minutes following a loading dose of PB, the newborn will be randomized to receive either BTN or placebo in conjunction with a loading dose of PB. Clinical, laboratory and continuous EEG monitoring data obtained after BTN administration will be analyzed to determine the pharmacokinetics (3) and safety of BTN by comparing data from treatment and standard therapy groups. This study addresses important challenges in trial design and sets the stage for trials to improve treatment of neonatal seizures. Data from this pilot study will be used to guide design of a planned Phase III multicenter trial to test the efficacy of BTN to control refractory neonatal seizures. ;


Study Design


Related Conditions & MeSH terms


NCT number NCT00830531
Study type Interventional
Source Soul, Janet , M.D.
Contact
Status Completed
Phase Phase 1
Start date January 2010
Completion date January 2019

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