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Data concerning efficacy, safety, and patient satisfaction of levodopa/carbidopa intestinal gel (LCIG, Duodopa, AbbVie, Wavre, Belgium) infusion in routine clinical practice were needed to maintain reimbursement of the drug in Belgium. Patients with advanced Parkinson's disease in 27 neurology centers across Belgium were included. Of 100 patients who underwent naso-intestinal (NI) evaluation with LCIG, 67 received permanent treatment with LCIG via percutaneous endoscopic gastrostomy and jejunal tube (PEG/J). Efficacy was evaluated at baseline (on levodopa) and during a follow-up (FU) visit (on LCIG) using the Unified Parkinson's Disease Rating Scale (UPDRS) IV. Patient appraisal of the Duodopa system was evaluated using a visual analog scale for therapy compliance, user-friendliness, and global appreciation. Safety was assessed by reporting suspected adverse drug reactions (ADRs) and medical device-related complaints. FU evaluations were conducted in 37 patients. Significant improvement at FU was observed for motor complications (UPDRS IV) as the mean change from baseline to FU was -6.3 (95 % CI -8.1 to -4.5). Patient appraisal showed high scores for hospital delivery, user-friendliness, and patient global appreciation, as well as family appreciation of the system on daily life. Few ADRs and system malfunctions were reported, with no unexpected ADRs. In conclusion, the symptoms and impact of Parkinsonism improved markedly when LCIG PEG/J was initiated.

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In the particular setting of this preliminary study evaluating the reproducibility of FP-CIT single-photon emission computed tomography interpretation in a group of nuclear medicine physicians with various experiences, interobserver agreement was suboptimal. Collegial discussion and standardized interpretation criteria could contribute to an improved reproducibility.