Efficacy and Safety of Plasma Exchange With 5% Albumin in Beta-amyloid Peptide Clearance in Cerebral Spinal Fluid

"18 Plasma Exchanges using Albutein 5%:~* three weeks of intensive treatment with two plasma exchanges per week~* six weeks of maintenance treatment with one weekly plasma exchange~* three months of maintenance treatment with one plasma exchange every two weeks"

Control group followed the same schedule; however, they did not undergo plasma replacement (it was subjected to simulated plasma replacements)