Assessment of Duodopa® effects on quality of life of patients with advanced Parkinson’s disease and their caregivers
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The gold standard of treatment in Parkinson’s disease (PD) is levodopa/carbidopa whose long-term use induces motor and non-motor fluctuations and dyskinesias. Continuous infusion of intrajejunal levodopa/carbidopa intestinal gel (Duodopa®) reduces motor and non-motor symptoms and dyskinesias, and improves the quality of life of patients. The aim of this open observational prospective study was to evaluate the impact of Duodopa® on conditions of PD patients and caregivers, and their quality of life. We enrolled 12 patients with advanced PD and their caregivers. The PD patients were assessed at baseline, 3 and 6 months after Duodopa® treatment initiation using Unified Parkinson’s Disease Rating Scale-Part III and IV (UPDRS-III and IV), Unified Dyskinesia Rating Scale (UdysRS), Beck Depression Inventory (BDI-II), Hamilton Anxiety Rating Scale (HAM-A) and Parkinson’s Disease Quality of Life Questionnaire (PDQ-39). The caregivers were assessed, at the same time as the patients, using BDI-II, HAM-A, Caregiver Burden Inventory (CBI) and SF-36 Health Status Questionnaire. Six months after Duodopa® therapy, the scores of UPDRS-III and IV, UdysRS, BDI-II, HAM-A and PDQ-39 were significantly decreased (p < 0.01). After Duodopa® therapy, in caregiver group the scores of BDI-II, HAM-A and CBI were significantly decreased and the scores of SF-36 Health Status Questionnaire were significantly increased (p < 0.01). A reduction of anxiety after therapy correlated with mental status domains of SF-36 Health Status Questionnaire (r = 0.56). Overall, Duodopa® is effective even in the short time to improve the clinical conditions of PD patients and caregivers and their quality of life.
KeywordsDuodopa® Parkinson’s disease Quality of life Caregiver Dyskinesias
RC: Concept, design, definition of intellectual content, literature search, manuscript preparation. FC: Concept, design, definition of intellectual content, literature search, data acquisition. LB: Data analysis. VLB: Data acquisition. GDL: Data acquisition. RV: Data acquisition. CA: Data acquisition. RP: Data acquisition. PB: Design, definition of intellectual content. SM: Definition of intellectual content, manuscript editing and review.
Compliance with ethical standards
Conflicts of interest
The authors declare that there are no conflicts of interest.
The study including human participants has been approved by the appropriate ethics committee and has therefore been performed in accordance with the ethical standards laid down in the 1964 Declaration of Helsinki.
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