Abstract

BackgroundAdvanced Parkinson's disease (PD) can be treated with Levodopa-Carbidopa Intestinal Gel (LCIG). ObjectiveTo compare descriptive data of LCIG treatment in GBA1-PD and LRRK2-PD. MethodsThis multicenter retrospective study compared clinical data obtained from electronic medical records of PD patients treated with LCIG. Patients were grouped based on their genetic status. ResultsFifty-two iPD, 15 LRRK2-PD and 23 GBA1-PD were included in this study. No difference in daily dose of LCIG or levodopa equivalent daily dose were detected. GBA1-PD had significantly shorter disease duration at LCIG initiation (p = 0.01) and experienced more hallucinations (p = 0.03) compared with LRRK2-PD and iPD. LRRK2-PD and iPD had significantly longer duration of LCIG treatment compared with GBA1-PD (p < 0.01). ConclusionOverall, LCIG treatment was well tolerated in LRRK2-PD and GBA1-PD. GBA1-PD required LCIG earlier in their course of their disease and had higher frequencies of hallucinations during treatment, attesting to a more severe disease course.

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