Right now? None. But the theory is that b/c we can't properly differentiate between patients with Alzheimer's Dementia and those with other forms of dementia (

Right now? None. But the theory is that b/c we can't properly differentiate between patients with Alzheimer's Dementia and those with other forms of dementia (such as Vascular Dementia), that any clinical trial could be pointless if a statistically significant number of patients have some other dementia instead of Alzheimer's Dementia. The coolest thing about a real quantitative test is the ability to vet patients in a clinical trial. In the last 20 years, literally HUNDREDS of interventions have gone to trial for Alzheimer's, but none have passed. Imagine if one of those interventions already was the cure, but we didn't know b/c the data was skewed by other forms of dementia patients!!! So the first step in getting a treatment for Alzheimer's is to know if the patients has Alzheimer's :)