RecruitingPhase 2Drug trialEvaluation of Tau-Pathology in Sporadic and LRRK2 Parkinson's DiseaseThe study aims to evaluate the burden of tau pathology in people with Sporadic and LRRK2 PD via in vivo imaging using the tau tracer, \[18F\]PI-2620, and a high resolution PET camera, NeuroEXPLORER.