The invention relates to methods, compounds, compositions and vehicles for
delivering 3-amino-1-propanesulfonic acid (3APS) in a subject, preferably
a human subject. The invention encompasses compounds that will yield or
generate 3APS, either in vitro or in vivo. Preferred compounds include
amino acid prodrugs of 3APS for use, including but not limited to, the
prevention and treatment of Alzheimer's disease.