Decision Resources, Inc., one of the world's leading research and advisory firms focusing on pharmaceutical and health care issues, finds that primary care physicians (PCPs) are more likely to be influenced by aggressive marketing of bipolar drugs than psychiatrists. According to the new report entitled Treatment Algorithm Insight Series: Bipolar Disorder, aggressive marketing may also expedite the trend toward an increased use of atypical antipsychotics for maintenance treatment.

"Although only 3% of psychiatrists indicate that pharmaceutical marketing influences whether they choose Ortho-McNeil's Topamax over another antiepileptic drug for their bipolar disorder patients, 19% of PCPs report such an influence on their prescribing," said Alice von Loesecke, senior director at Decision Resources.

The new report series from Decision Resources combines in-depth primary research with the most extensive claims-based longitudinal patient-level data from PharMetrics® ( to provide exceptional insight into physicians' actual prescribing trends and drivers of product choice from diagnosis through multiple courses of treatment for a specific disease. The Treatment Algorithm Insight Series examines physicians' actual prescribing behavior as they initiate therapy and move through second- and third-line choices.

Treatment Algorithm Insight Series: Bipolar Disorder

The report presents a detailed analysis of the treatment of bipolar disorder in the United States based on two sources of data -- longitudinal patient-level claims data and primary research. The patient-level data include treatment from initial diagnosis through three lines of therapy and analysis of pathways to key therapies from preceding agents. Insight into the factors driving physician prescribing behavior is drawn from an Internet survey of 150 U.S.-based PCPs and psychiatrists. The analysis includes use of individual drugs, drug classes, and free-form combinations.

About Decision Resources

Decision Resources, Inc., ( is a world leader in market research publications, advisory services, and consulting designed to help clients shape strategy, allocate resources, and master their chosen markets.

All company, brand, or product names contained in this document may be trademarks or registered trademarks of their respective holders.

   For more information, contact:     Elizabeth Marshall    Decision Resources, Inc.    781-296-2563 

SOURCE: Decision Resources, Inc.

CONTACT: Elizabeth Marshall of Decision Resources, Inc., +1-781-296-

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