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Factors influencing susceptibility to compulsive dopaminergic drug use in Parkinson disease

Evans, A. H., Lawrence, Andrew David ORCID:, Potts, J., Appel, S. and Lees, A. J. 2005. Factors influencing susceptibility to compulsive dopaminergic drug use in Parkinson disease. Neurology 65 (10) , pp. 1570-1574. 10.1212/01.wnl.0000184487.72289.f0

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Background: In the course of treatment, a small group of patients with Parkinson disease (PD) develop a harmful pattern of compulsive dopaminergic drug use, called the dopamine dysregulation syndrome (DDS). Individual factors may influence susceptibility. Objectives: To identify predisposing factors to DDS in a population of outpatients with PD. Methods: The authors compared clinical features, impulsive sensation seeking (ISS) personality traits, past experimental drug use, alcohol consumption, smoking behaviors, and depressive symptoms in 25 patients with DDS to an outpatient sample of 100 patients with PD who were not compulsively overusing dopaminergic medication. Results: Patients with DDS had a significantly younger age at disease onset, higher dopaminergic drug intake, greater past experimental drug use, more depressive symptoms, scored higher on ISS ratings, and tended to have higher alcohol intake. Using logistic regression analysis, we found that novelty seeking personality traits, depressive symptoms, alcohol intake, and age at PD onset were significant predictors of DDS. Conclusions: These factors may help to identify early patients who are more vulnerable to developing a pattern of compulsive dopaminergic drug use and help minimize its consequences.

Item Type: Article
Date Type: Publication
Status: Published
Schools: Psychology
Neuroscience and Mental Health Research Institute (NMHRI)
Subjects: B Philosophy. Psychology. Religion > BF Psychology
R Medicine > RC Internal medicine > RC0321 Neuroscience. Biological psychiatry. Neuropsychiatry
R Medicine > RM Therapeutics. Pharmacology
Publisher: American Academy of Neurology
ISSN: 0028-3878
Last Modified: 20 Oct 2022 09:43

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