Seven patients with progressive supranuclear palsy were treated with lisuride. Mean age was 62 years (range, 52 to 68 years), and duration of disease was 4.4 years (range, 1 to 7 years). All seven had been treated with levodopa/carbidopa and three with bromocriptine; four had, at one time, shown a partial response to levodopa. One patient had also shown a partial response to bromocriptine. Lisuride was used alone in four patients, and combined with levodopa/carbidopa in three patients. Mean dose of lisuride was 2.5 mg (range, 1.5 to 5.0 mg). Mean duration of treatment was 4 months (range, 1 to 10 months). While two patients showed a reduction in rigidity, one in tremor and two in bradykinesia, in only one of them was there an overall improvement. It is postulated that the relative lack of response to lisuride may be due to a loss of both the dopaminergic and serotonergic receptors in progressive supranuclear palsy.
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