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Stein, AG; Eder, HG; Blum, DE; Drachev, A; Fisher, RS.
An automated drug delivery system for focal epilepsy.
Epilepsy Res. 2000; 39(2):103-114 Doi: 10.1016%2FS0920-1211%2899%2900107-2
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Co-authors Med Uni Graz: Eder Hans
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Abstract:: Previous studies have demonstrated the ability to stop seizures in animal models with injection of antiepileptic medication directly onto the seizure focus. The present experiments describe automated detection and focal therapy for seizures in the laboratory setting. Focal seizures were created in Sprague-Dawley rats using bicuculline, a GABA antagonist. Computerized detection of seizures was linked to a programmable infusion pump to deliver either diazepam (DZP) or pH-balanced vehicle (VEH) directly onto the seizure focus. Mean numbers of seizures following initial delivery of drug were 2.9+/-1.45 for the VEH-treated group and 0.2+/-0.42 for the DZP-treated group (P<0.0001, Student's t-test, nonpaired, one-tailed). In another series of experiments, early injection of DZP shortened seizure duration. Three DZP-treated animals died. This model provides proof-in-principle for the development of a clinically applicable treatment for intractable partial epilepsy. Such therapy might avoid some of the problems inherent to systemic administration of antiepileptic drugs.
Find related publications in this database (using NLM MeSH Indexing): Animals -; Anticonvulsants - administration and dosage; Automation - administration and dosage; Behavior, Animal - administration and dosage; Diagnosis, Computer-Assisted - administration and dosage; Diazepam - administration and dosage; Drug Delivery Systems - instrumentation; Electroencephalography - instrumentation; Epilepsy - diagnosis; Equipment Design - diagnosis; Male - diagnosis; Rats - diagnosis; Rats, Sprague-Dawley - diagnosis; Time Factors - diagnosis; Vehicles - administration and dosage
Find related publications in this database (Keywords): focal epilepsy; automated drug delivery; seizures