Each type of dementia has its own disease trajectory. For Alzheimer's disease, the progression is predictable, although how long each phase lasts may differ from person to person. The damage ...

A hypothetical patient with mild dementia with CSF Aβ1-42 of 625 pg/mL was predicted to go from an MMSE score of 20 to 15 in 2.3 versus 3.3 years with and without such a treatment, respectively.