T807 is primarily utilized in the field of medical imaging, particularly in positron emission tomography (PET) scans. It is a radiotracer that binds selectively to tau protein aggregates, which are associated with neurodegenerative diseases such as Alzheimer's disease. By using T807, clinicians can visualize and quantify tau pathology in the brain, aiding in the early diagnosis and monitoring of disease progression. This application is crucial for developing targeted therapies and understanding the underlying mechanisms of tau-related disorders. Additionally, T807 helps differentiate Alzheimer's disease from other forms of dementia, improving diagnostic accuracy and patient care.