Ask a Fool: What's Your Foolish Take on Prana Biotechnology?

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In this video as part of The Motley Fool's "Ask a Fool" series, Fool health-care analyst David Williamson takes a question from a Fool reader, who asks, "What's your Foolish take on Prana Biotech ?"

While there is a huge amount of investor enthusiasm surrounding the company and its drug PBT2, which would target Alzheimer's disease and Huntington's disease, that's exactly the source of David's concern about the drug and Prana itself. Any successful treatment to emerge for either of these indications would be a blockbuster, but real success has been extremely limited here, as these disorders are proving extremely difficult to crack.

David cites an article from Summer Street today coming out with a negative note on Prana, in which author Adam Feuerstein said he was "not enthusiastic about the drug's purported mechanism," and "not impressed with the data to date." Shares sold off dramatically today as a reaction to the article.

David warns that at the moment, Prana for all intents and purposes is defined by its PBT2 drug, and that investors should really consider whether the risk is worth the reward here, given how high he sees the likelihood of failure.

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The article Ask a Fool: What's Your Foolish Take on Prana Biotechnology? originally appeared on

David Williamson and The Motley Fool have no position in any of the stocks mentioned. Try any of our Foolish newsletter services free for 30 days. We Fools don't 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.

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