UCLA investigators reviewed pharmaceutical ads in American medical journals and found that nearly one-third contained no references for medical claims; while the majority of references to published material were available, only a minority of company data-on-file documents were provided upon request; and the majority of original research cited in the ads was funded by or had authors affiliated with the products manufacturer.
In one of the largest studies of its kind, UCLA investigators reviewed pharmaceutical ads in American medical journals to determine what materials are cited in support of medical claims and if those references are available to physicians. Researchers also determined the funding sources of research cited in the ads. The study is published in the Feb. 15 issue of the Canadian Medical Association Journal.
"Previous studies have shown that physicians drug prescribing is influenced by pharmaceutical ads. We wanted to see what documents were being used to substantiate the claims and how accessible these were to physicians who may want to verify the research findings," said lead author Dr. Richelle Cooper, assistant clinical professor, Division of Emergency Medicine, David Geffen School of Medicine at UCLA.
Rachel Champeau | EurekAlert!
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