http://www.forbes.com/2006/02/27/pfizer ... drugs.html
Schizophrenia medicines are another big ($11 billion) and hotly contested area. These drugs are increasingly used for bipolar disease and also for other mental illnesses, including some for which they have not been approved by the Food and Drug Administration. A major shift: Seroquel, from AstraZeneca, has passed Zyprexa from Eli Lilly (nyse: LLY - news - people ) and Risperdal form Johnson & Johnson as the top-selling schizophrenia drug. One possible reason: controversy over Zyprexa's potential to cause weight gain in some patients. Abilify, a schizophrenia medicine from Bristol-Myers Squibb (nyse: BMY - news - people ) and Japan's Otsuka, is also gaining ground fast.