He was characterized by a brash style, and chose to file with the Food and Drug Administration for approval of Provenge on studies that had failed their main goal of preventing tumors from growing, but seemed to make patients live longer.

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It is possible Pfizer could file with the U.S. Food and Drug Administration based on those results, in addition to the GIST results, but the idea is controversial because the studies had no placebo controls.

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Schwarz is currently compiling the data from three separate rotigotine trials--two on early stage patients and one on late-stage patients--and the company expects to file for U.S. Food and Drug Administration approval by this fall.

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