Why Anavex Life Sciences Corp. Rocketed Higher Today

By Markets Fool.com

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What happened

Tiny biotech Anavex Life Sciences (NASDAQ: AVXL) got a little bigger today after announcingthat Biogen (NASDAQ: BIIB)will test the company's lead drug candidate, ANAVEX 2-73, in a preclinical assay. Shares of Anavex Life Sciences are up 45% at 12:33 p.m. EDT.

So what

ANAVEX 2-73 enhances the activity of the sigma-1 receptor, which acts to protect cells under stress. Anavex Life Sciences is testing the drug in central nervous system diseases, including a phase 2a clinical trial in patients with Alzheimer's disease. The biotech also has preclinical data that suggests ANAVEX 2-73 might help patients with Parkinson's disease and epilepsy.

Biogen will testANAVEX 2-73 in an oligodendrocyte precursor cell (OPC) differentiation assay, which measures the drug's ability to create cells that surround neurons, producing an insulating layer called a myelin sheath. Biogen is likely interested in ANAVEX 2-73 as a potential treatment for multiple sclerosis, where the myelin sheath is broken down. If the OPC differentiation assay is successful, Biogen may opt to do an in vivo remyelination study.

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Now what

Today's announcement is only a big deal because Anavex Life Sciences is so small. There doesn't appear to be any money changing hands, and Biogen hasn't committed to anything more than planning to run a preclinical assay.

Of course, Biogen's due diligence could result in an eventual partnership, but there are no guarantees that ANAVEX 2-73 will promote myelination nor that Biogen will be willing to pay whatever Anavex wants for the rights to the drug.

A potential deal is further complicated by the fact that Biogen has a late-stage Alzheimer's disease drug, aducanumab, so even if Biogen wants ANAVEX 2-73 for multiple sclerosis, the larger biotech might be uninterested in paying for development of ANAVEX 2-73 in Alzheimer's disease. While there are ways to separate out the development costs and rights, Anavex likely needs a partner to run large phase 3 clinical trials in Alzheimer's disease, which could be harder to find if Biogen owned partial rights to the drug.

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Brian Orelli has no position in any stocks mentioned. The Motley Fool owns shares of and recommends Biogen. Try any of our Foolish newsletter services free for 30 days. We Fools may not all hold the same opinions, but we all believe that considering a diverse range of insights makes us better investors. The Motley Fool has a disclosure policy.