Yes! In addition to a number of other etiologies associated with Alzheimer's Disease. The belief is that Anavex 2-73 targets the root cause of AD, the Sigma 1 receptor. The Sigma 1 receptor in turn regulates Tau in addition to a number of other causes of the disease.
Please listen to to presentation on my DD link. The CEO does an excellent job of describing the science and their theory behind the drug development and targeting of the Sigma-1 receptor.