We used a model of severe cholinergic status epilepticus (SE) to study polytherapy aimed at reversing the effects of seizure-induced loss of synaptic GABA(A) receptors and seizure-induced gain of synaptic NMDA receptors. Combinations of a benzodiazepine with ketamine and valproate, or with ketamine and brivaracetam, were more effective and less toxic than benzodiazepine monotherapy in this model of SE.
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