Methods, compounds, compositions and vehicles for delivering 3-amino-1-propanesulfonic acid

A pharmaceutical composition comprising a compound having the structure

• or a pharmaceutically acceptable salt thereof, with a pharmaceutically acceptable carrier.

A method for treating Alzheimer's disease, mild cognitive impairment, Down's syndrome, Hereditary Cerebral Hemorrhage with Amyloidosis of the Dutch-Type, cerebral amyloid angiopathy, a degenerative dementia, a dementia of mixed vascular and degenerative origin, dementia associated with Parkinson's disease, dementia associated with progressive supranuclear palsy, dementia associated with cortical basal degeneration, or diffuse Lewy body type of Alzheimer's disease, comprising administering a therapeutically effective amount of a compound having the structure

• or a pharmaceutically acceptable salt thereof, to a human subject in need thereof.