Food and Drug Administration staff issued documents Wednesday saying, The drug ado can you mob has shown quote exceptionally persuasive evidence that it is effective.

The FDA staff review elevates the drugs chances of swift FDA approval, which could come as early as March.

If approved, the drug would be the first new treatment for Alzheimer's disease in decades and the first that appears to slow progression of the disease.

Shares of Biogen soared 43% on the FDA panel's findings.

Other drugmakers with Alzheimer's drugs and development, such as Eli Lilly, rallied as well.