GNE-7915 tosylate is primarily utilized in the field of biomedical research, particularly in studies related to neurodegenerative diseases. It functions as a potent and selective inhibitor of leucine-rich repeat kinase 2 (LRRK2), a protein kinase implicated in the pathogenesis of Parkinson's disease. Researchers employ this compound to investigate the role of LRRK2 in cellular processes and to explore potential therapeutic strategies for treating Parkinson's and related disorders. Its application extends to in vitro and in vivo models, where it helps in understanding the molecular mechanisms underlying neurodegeneration and in evaluating the efficacy of LRRK2 inhibition as a treatment approach.