Published 20 May 2009, doi:10.1136/bmj.b2052
Cite this as: BMJ 2009;338:b2052

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Cancer research papers with industry ties more likely to report favourable results

Janice Hopkins Tanne

1 New York

The first 150 words of the full text of this article appear below.

Conflicts of interest are common in research papers on cancer, and papers with conflicts are more likely to report positive results, say researchers at the University of Michigan (Cancer 2009 May 11, doi:10.1002/cncr.24315).

The study says that almost one in three of 1534 original papers in eight leading journals in 2006 had reported conflicts of interest, and 17% reported industry funding.

In studies where the authors reported a conflict of interest, 29% of the patients who had received the intervention had improved survival rates, and in studies whose authors had no reported conflict of interest that figure was only 14%.

Reshma Jagsi, an assistant professor of radiation oncology, and colleagues looked at papers in the New England Journal of Medicine, the JAMA, the Lancet, the Journal of Clinical Oncology, the Journal of the National Cancer Institute, the Lancet Oncology, Clinical Cancer . . . [Full text of this article]


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