LDN-209929 dihydrochloride is primarily used in research settings to study its effects on specific biological pathways. It is often utilized in preclinical studies to investigate its potential therapeutic applications, particularly in conditions related to the modulation of certain receptors or enzymes. Researchers employ this compound to explore its efficacy in models of neurological disorders, inflammation, or other diseases where its mechanism of action might be relevant. Its role in these studies helps to advance understanding of disease mechanisms and supports the development of novel treatment strategies.