Through a collaboration with the Alzheimer's Disease Cooperative Study ("ADCS"), the National Institutes of Health ("NIH") and Georgetown University Medical Center ("Georgetown"), Neuro-Hitech has completed Phase I studies and is currently conducting Phase II clinical trials for Huperzine A. The ongoing trial is a multi-center randomized placebo-controlled Phase II study that will evaluate the safety and efficacy of Huperzine A in Alzheimer's disease.