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Division of Neurology (Drs. Burton, Larsen, Robinson, Bratty, Martin, and Calne) and the Department of Statistics (Dr. Schulzer), University of British Columbia, Vancouver, British Columbia, Canada.
Previous studies with mesulergine (CU 32-085) demonstrated safety and efficacy in short-term observations of patients with Parkinson's disease. We compared mesulergine with bromocriptine in 20 patients with Parkinson's disease. Eighteen patients completed the randomized, double-blind, crossover study. Clinical assessments employed the UBC scale and "Mini-Mental State" examination; neurvphysiologic measurements were undertaken on wrist rigidity and speed and accuracy of hand movement, and toxicity screening tests were compared. There were no significant differences between the effects of mesulergine (mean dosage, 27. 4 mg/d) and bromocriptine (mean dosage, 40. 8 mg/d).
Address correspondence and reprint requests to Dr. Calne, University of British Columbia, Head, Division of Neurology, 2211 Wesbrook Mall, Vancouver, B. C., Canada V6T 1WS.
Supported by the Dystonia Medical Research Foundation and the Medical Research Council of Canada.
Presented in part at the thirty-sixth annual meeting of the American Academy of Neurology, Roston, MA, April 1984.
Accepted for publication December 5, 1984.
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