Propranolol Action in Chronically Unstable Generalized Epilepsy.
Chronically unstable generalized epilepsy (CUGE) is a disabling disease usually treated by ineffective association of drugs. Authors have devoted attention to calcium-dependent mechanisms of seizures. Calcium channel blockers have been used with success in the control of both experimental and clinical epilepsy. beta-Adrenergic blockers, such as propranolol hydrochloride (PR), had been described to be experimentally effective in the control of epilepsy in rats and chicks, due to its receptor-dependent calcium channel blocking and membrane-stabilizing actions. We used PR in this crossover, placebo-controlled, randomized trial. Twelve patients with CUGE were enrolled and treated for 15 days with treatment A (20--40 mg PR bid) and treatment B (20--40 mg placebo); the difference in the total number of seizures in the two periods of treatment was compared. Patients treated with PR showed a 32.9% reduction (p < 0.05) in epileptic manifestations. The authors concluded that PR may be an effective adjunct therapy in CUGE and other forms of generalized epilepsy.
de Oliveira
Granville G.
GG
Department of Medicine, Faculty of Medicine, University of Brasilia, Brazil.
Borges
Moacir Alves
MA