MK-7622 is primarily investigated for its potential therapeutic applications in the field of neurology. It is being studied as a selective antagonist for specific receptors in the brain, which could play a role in treating neurodegenerative diseases such as Alzheimer's. By targeting and modulating these receptors, MK-7622 may help in reducing cognitive decline and improving memory functions in patients. Research is ongoing to understand its efficacy and safety profile in clinical settings.