Four new anticonvulsive drugs were compared to four prototype antiepileptics regarding their differential efficacy, i.e. against tonic-clonic, myoclonic, and minor seizures, in reflex epilepsy in genetically epileptic gerbils. We distinguished at least three types of drugs: Phenytoin and ralitoline selectively prevented tonic-clonic seizures; the other drugs tested were active against all seizure types. However, carbamazepine and AHR-11748 were predominantly active against tonic-clonic seizures, whereas phenobarbital, valproate, gabapentin, and zonisamide equipotently suppressed both tonic-clonic and myoclonic seizures.
Animals Anticonvulsants