Abstract
Pergolide, a semisynthetic ergoline and a potent long-acting adenylcyclase-linked dopamine agonist, was given to 40 patients with advanced Parkinson's disease whose response to levodopa had diminished considerably. The group included 31 patients with marked diurnal oscillations in performance ("wearing off" and/or "on-off" phenomena). Pergolide alone (7 patients) or combined with levodopa (33 patients), resulted in a reduction in disability (P less than or equal to 0.01) as assessed in both the patients' "on" and "off" periods. Pergolide also resulted in an increase (P less than or equal to 0.001) in the number of hours in which patients were on from 3.8 (+/-0.4) to 11.9 (+/-0.9). The mean daily dose of pergolide was 2.4 mg (range 0.1 to 10.0). The mean duration of the study was 12 mo (range 1 to 24). Pergolide is effective in Parkinson's disease and will change the management of patients whose response to levodopa has diminished.
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