Levodopa–entacapone–carbidopa intestinal gel: Data from the Swedish national registry for Parkinson's disease

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BACKGROUND: Levodopa-entacapone-carbidopa intestinal gel (LECIG) was introduced on the Swedish market in 2019. The therapy is aimed at patients with Parkinson's disease (PD) with fluctuations and dyskinesias. Long-term efficacy and safety data are lacking. OBJECTIVE: To investigate the efficacy, tolerability, and safety of LECIG in regular clinical practice for Parkinson's disease in Sweden. METHODS: Real-world data were collected from the Swedish registry for Parkinson's disease (ParkReg) for all patients reported to receive LECIG during the period from 2019 until 31 August 2022. RESULTS: A total of 150 patients were identified. Sixty-one (41%) of 150 patients were females. At the start of treatment, the median age was 73 years (range: 43-86). The median duration since motor symptoms onset was 17 years (IQR: 9). Fifty (33%) of 150 patients switched from another device-assisted therapy, mostly LCIG (39 patients). Reported complications were mainly related to PEG-J tube and stoma (30%). Twenty (13.3%) of 150 patients discontinued LECIG and 11 (7.3%) patients died while on LECIG. The Parkinson KinetiGraph scores for bradykinesia, dyskinesia, fluctuations, tremor, and immobility for 53 patients during LECIG showed good therapy control. The median (IQR) p-Hcy during LECIG was 12 (4.6) μmol/L (n = 44). The median (IQR) PDQ-8 summary index during LECIG was 31 (17) (n = 52). The median (IQR) EQ5D during LECIG was 0.62 (0.32) (n = 41). CONCLUSIONS: Data from ParkReg covering 150 patients over 3 years show LECIG to be an effective and safe device-aided therapy for advanced PD. However, the long-term efficacy and tolerability of LECIG need to be further investigated.

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