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  • Title: Pergolide therapy in Parkinson's disease.
    Author: Jeanty P, Van den Kerchove M, Lowenthal A, De Bruyne H.
    Journal: J Neurol; 1984; 231(3):148-52. PubMed ID: 6481422.
    Abstract:
    A total of 26 patients were treated with pergolide mesylate, a semi-synthetic ergot derivative with the property of direct dopamine activity. Of these patients, 18 suffered from late failure of L-dopa, while the remaining 8 had never before been treated with L-dopa. The aim of the trial was to study the activity of pergolide, either by giving it to untreated patients or by reducing as much as possible the L-dopa given in patients with parkinsonism. Adverse effects and failure rate were reduced by slowly increasing the daily dosage, by giving considerable dose flexibility whenever side-effects were manifest, and by the use of relatively low doses (mean of 3.8 mg in the L-dopa-group and 2.9 in the other group). At present, from 26 patients, 13 (50%) still remain in the study for an average treatment period of 16 months (3 weeks to 25 months for the group as a whole). All patients experienced a beneficial effect from pergolide, especially during the first months of treatment, in selfcare, rigidity, gait and automatic movements. Slight or no improvement was seen in tremor, speech and posture. The most frequent side-effects were nausea and vomiting (in the initial phase of the treatment), insomnia and psychotoxic reactions (mostly periods of confusion accompanied by visual hallucinations and paranoid illusions). The study indicated that pergolide mesylate is a useful additive for treatment of parkinsonism, but special attention should be paid to the important psychotoxic adverse effects that may appear, even at a low dose.
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