Journal
JOURNAL OF NEUROLOGY
Volume 265, Issue 6, Pages 1279-1287Publisher
SPRINGER HEIDELBERG
DOI: 10.1007/s00415-018-8803-1
Keywords
Parkinson's disease; Impulse control disorders; Levodopa; Psychiatric symptoms; Dopamine agonists
Categories
Funding
- Abbvie
- Foundation Neurociencias y Envejecimiento
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Impulse control behaviors are a frequent comorbidity for patients with Parkinson's disease (PD). The objective of the present study was to evaluate the effectiveness levodopa-carbidopa intestinal gel (LCIG) therapy on impulse control disorders (ICDs) in patients with advanced PD. We conducted a multicenter, observational, and prospective (6 months follow-up) study that included consecutive PD patients assigned to LCIG through routine medical practice. Patients completed visits at baseline, 1, 3, and 6 months after percutaneous endoscopic gastrostomy procedure. The following outcomes were evaluated: presence and severity of ICDs and other neuropsychiatric disorders, sleep disturbances, patients' quality of life, and caregivers' burden. Sixty-two patients were included at baseline: mean age 72.2 years (SD +/- 7.0), 42% women. Median duration of PD symptoms was 13.5 years (IQR 5.5-21.5) and median time with motor fluctuations was 5.0 years (IQR 1.0-9.0). Treatment with LCIG infusion was associated with progressive and significant improvements in ICDs symptoms over the study period (64.4% reduction in the Questionnaire for Impulsive-Compulsive Disorders in Parkinson's disease-Rating Scale score). Psychotic and other neuropsychiatric symptoms were also significantly reduced, and patients' sleep quality and psychosocial function improved. Caregivers' burden remained unchanged. There was a significant improvement in the daily Off time [7.4 h (SD +/- 4.0) vs 1.5 h (SD +/- 1.8); p < 0.0001] at the end of follow-up, whereas duration of dyskinesias was not affected. ICDs significantly improved after 6-month LCIG treatment in a group of PD patients with mild-to-moderate neuropsychiatric disturbances.
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