US drugmaker Exelixis has submitted an Investigational New Drug application to the Food and Drug Administration for XL147, its novel anticancer compound. The orally-available, small-molecule inhibitor of phosphoinositide-3 kinase represents the 12th IND that Exelixis has filed from its internal R&D programs and the company expects to file at least two more by the end of the year.
According to the firm, activation of PI3K is a frequent event in human tumors, promoting tumor growth, survival, and resistance to chemotherapy and radiotherapy.
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