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Journal Articles Journal of Neurology Year : 2024

Prognosis of impulse control disorders in Parkinson’s disease: a prospective controlled study

Fabienne Ory-Magne

Abstract

Background: The long-term prognosis of impulsive compulsive disorders (ICD) remains poorly studied in Parkinson's disease (PD). Objective: Evaluating the natural history of ICD and its impact on PD symptoms including cognition and treatment adjustments. Materials and methods: We assessed PD patients at baseline (BL) with (BL-ICD+) or without (BL-ICD-) ICD despite dopamine agonist (DA) exposure of > 300 mg levodopa-equivalent daily dose for > 12 months at baseline and after more than two years of follow-up. ICD were assessed using the Ardouin's Scale of Behaviors in PD (ASBPD), cognition using the Mattis scale, and PD symptoms using the UPDRS score. Treatment adjustments, DA withdrawal-associated symptoms, and ICDs social consequences were recorded. Results: 149 patients were included (78 cases and 71 controls), mean duration of follow-up was 4.4 ± 1 years. At baseline, psychiatric disorders were more common among BL-ICD + (42.3 vs 12.3% among BL-ICD-, p < 0.01). At follow-up, 53.8% of BL-ICD + were not ICD-free while 21.1% of BL-ICD- had developed ICD. BL-ICD + more frequently experienced akinesia (21.8 vs 8.5%, p = 0.043) and rigidity worsening (11.5 vs 1.4%, p = 0.019) following therapeutic modifications. Decision to decrease > 50% DA doses (12.8 vs 1.4%, p = 0.019) or to withdraw DA (19.2 vs 5.6%, p = 0.025) was more frequently considered among BL-ICD+ . At follow-up, the prevalence of cognitive decline was lower among BL-ICD + (19.2 vs 37.1%, p = 0.025). Conclusion: ICDs were associated with increased psychiatric burden at baseline and better cognitive prognosis. Most patients were still showing ICDs at the follow-up visit, suggesting ICD to be considered as a chronic, neuropsychiatric disorder.
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Dates and versions

hal-04496591 , version 1 (08-03-2024)

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Thomas Wirth, Thibaut Goetsch, Jean-Christophe Corvol, Emmanuel Roze, Louise-Laure Mariani, et al.. Prognosis of impulse control disorders in Parkinson’s disease: a prospective controlled study. Journal of Neurology, 2024, ⟨10.1007/s00415-023-12170-7⟩. ⟨hal-04496591⟩
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