In the following video, Motley Fool health-care analyst David Williamson discusses Ariad Pharmaceuticals , as the company's stock reverses direction today, up 3% following yesterday's tumble. He notes the results of a boutique institutional research survey that found Ariad's new drug Iclusig to have toxicity concerns, and even more negative information coming from the FDA, citing blood clots and liver toxicity. David tells investors what the potential for this drug is, and whether it has a shot at success on the market despite these safety concerns.

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The article Concerns Swirl Over Critical Drug Launch originally appeared on Fool.com.

David Williamson has no position in any stocks mentioned. The Motley Fool has no position in any of the stocks mentioned. 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.

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