https://www.selleckchem.com/pr....oducts/pim447-lgh447
Structural brain changes indicative of dementia occur up to 20 years before the onset of clinical symptoms. Efforts to modify the disease process after the onset of cognitive symptoms have been unsuccessful in recent years. Thus, future trials must begin during the preclinical phases of the disease before symptom onset. Age related cognitive decline is often the result of two coexisting brain pathologies Alzheimer's disease (amyloid, tau, and neurodegeneration) and vascular disease. This review article highlights some of the commo