What studies have been done to try to predict which symptoms an Alzheimer's patient may develop, and how rapidly the disease will progress?

Neuropsychological predictors of dependency in patients with Alzheimer disease
OBJECTIVE: To determine whether specific cognitive deficits can predict the progression of Alzheimer disease (AD). METHODS: Two hundred fifty-two patients with AD enrolled in the Predictors Study were
http://www.cumc.columbia.edu/dept/sergievsky/cnd/p...
Predicting progression of Alzheimer's disease
Introduction Clinicians need to predict prognosis of Alzheimer's disease (AD), and researchers need models of progression to develop biomarkers and clinical trials designs. We tested a calculated i
http://alzres.com/content/2/1/2/abstract