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Department of Neurology, University of Rochester Medical Center, Rochester, NY.
Nine patients with idiopathic Parkinson's disease were treated with pergolide to a daily maintenance dose of 2.2 ± 0.9 mg (mean ± SD) for 17.3 ± 8.3 months. After 1 month, there was an average 68% increase in mobile on-time, but the improvement declined to 30% by 6 months, 23% by 1 year, and virtually disappeared by 18 months of therapy. Pergolide was discontinued in seven patients because of loss of efficacy (4 patients), confusion (1 patient), or myocardial infarction or ventricular ectopy (2 patients). Partial but temporary restoration of mobility was observed in seven patients who were switched to an alternate-day dosing schedule after 9.2 ± 2.4 months. Two patients with advanced Shy-Drager syndrome were treated with pergolide without benefit.
Address correspondence and reprint requests to Dr. Kurlan, Department of Neurology, University of Rochester Medical Center, 601 Elmwood Avenue, Rochester, NY 14642.
Supported by a United Parkinson Foundation fellowship (Dr. Kurlan), the University of Rochester-Monroe Community Hospital Research Fund (Dr. Hamill), NINCDS Teacher Investigator Award (KO7 NS000397, Dr. Shoulson), the University of Rochester Clinical Research Center (RR-00044, NIH), and Eli Lilly Company.
Presented in part at the thirty-sixth annual meeting of the American Academy of Neurology, Boston, MA, April 1984.
Accepted for publication September 5, 1984.
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