Long term treatment of SDAT patients with pyritinol

A Double‐Blind, Placebo‐Controlled, Multicenter Study of Cerebrolysin for Alzheimer's Disease

“…The treatment group demonstrated efficacy of therapy on primary outcome measures, whereas the placebo group was remarkably stable. Other trials with nootropics were designed for a longer period 30–32 . The previous trials with acetylcholine esterase inhibitors also had a relatively long study period of 24–36 weeks 1–6 .…”