The FDA approved a new pain drug for marketing from Pfizer and Acura Pharmaceuticals.

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Numerous experimental drugs have bombed in trials, including drugs from Synta Pharmaceuticals and Pfizer.

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The drug has been closely watched both by investors in Pfizer and those in Onyx Pharmaceuticals and Bayer, which submitted their own similar medicine, sorafenib, for kidney cancer last month.

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In the past six years, there have been two clear examples: Zyvox, from Pfizer, and Cubicin, from Cubist Pharmaceuticals.

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This includes the team of Regeneron Pharmaceuticals and Sanofi, Amgen, and Pfizer.

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"Pfizer is doing it, " says Timothy Anderson, pharmaceuticals analyst at Sanford C.

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But Novartis' medicine, licensed from closely held Bruin Pharmaceuticals, takes an entirely different approach than the Pfizer and Roche drugs.

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Pharmaceuticals are a perfect example, typified by Merck, Pfizer, Eli Lilly and Bristol Myers.

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Barbara Ryan, the pharmaceuticals analyst at Deutsche Bank, wrote in a note to investors that she expects Pfizer to at least spin off the baby formula and o-t-c units.

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Now all of a sudden several different regimens have moved into late-stage trials after showing early promise, including Pfizer's SU11248 and a drug being jointly developed by Germany's Bayer and Onyx Pharmaceuticals in California.

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"Our medicines may be medical miracles, and we believe they are, " said Karen Katen, Pfizer's (nyse: PFE - news - people ) head of global pharmaceuticals, at a news conference.

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