Idenix Pharmaceuticals (NASDAQ:IDIX) received more bad news today after reporting that the FDA will require more preclinical data before it can proceed with clinical trials for its experimental hepatitis C drug IDX20963. In the following video, health-care analyst Max Macaluso discusses what this news means in the context of Idenix's previous drug development problems

Max Macaluso, Ph.D. owns shares of Gilead Sciences. The Motley Fool recommends Gilead Sciences and Johnson & Johnson. The Motley Fool owns shares of Johnson & Johnson. 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.