Zyprexa

But Symbyax has not received regulatory approval to treat bipolar mania per se and has a relatively small share of the market.

"Theses guys are like Chevy and Ford or Coke and Pepsi, in terms of their competition, and Seroquel is now more successful than As of Dec.

16, Seroquel held 31.2% of the market share for atypical antipsychotics, one of several classes of drugs used to treat bipolar disorder, according to NDC Health, a pharmaceutical information company, and Friedman Billings Ramsey & Co.

Meanwhile, "Not only is Seroquel now more successful in the marketplace than "It's no longer a 'me-too.'" For most bipolar patients, Seroquel's advantages are clear.

"Generally, the more medications any patient's asked to take, the greater the likelihood that they will miss doses," says Thase....

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