in a double-blind cross-over add-on trial an average daily dose of 2100 mg progabide or placebo were given for 3 months each as adjunctive therapy to 11 patients with intractable complex partial seizures uncontrolled by a high-dose regimen of either carbamazepine , phenobarbital , phenytoin or primidone .
C0031412
phenobarbital
C0033148
primidone