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Association of financial or professional conflict of interest to research outcomes on health risks or nutritional assessment studies of genetically modified products

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  • Diels, Johan
  • Cunha, Mario
  • Manaia, Célia
  • Sabugosa-Madeira, Bernardo
  • Silva, Margarida

Abstract

Since the first commercial cultivation of genetically modified crops in 1994, the rapidly expanding market of genetically modified seeds has given rise to a multibillion dollar industry. This fast growth, fueled by high expectations towards this new commercial technology and shareholder trust in the involved industry, has provided strong incentives for further research and development of new genetically modified plant varieties. Considering, however, the high financial stakes involved, concerns are raised over the influence that conflicts of interest may place upon articles published in peer-reviewed journals that report on health risks or nutritional value of genetically modified food products. In a study involving 94 articles selected through objective criteria, it was found that the existence of either financial or professional conflict of interest was associated to study outcomes that cast genetically modified products in a favorable light (p = 0.005). While financial conflict of interest alone did not correlate with research results (p = 0.631), a strong association was found between author affiliation to industry (professional conflict of interest) and study outcome (p

Suggested Citation

  • Diels, Johan & Cunha, Mario & Manaia, Célia & Sabugosa-Madeira, Bernardo & Silva, Margarida, 2011. "Association of financial or professional conflict of interest to research outcomes on health risks or nutritional assessment studies of genetically modified products," Food Policy, Elsevier, vol. 36(2), pages 197-203, April.
    • Handle: RePEc:eee:jfpoli:v:36:y:2011:i:2:p:197-203
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    2. Lenard I Lesser & Cara B Ebbeling & Merrill Goozner & David Wypij & David S Ludwig, 2007. "Relationship between Funding Source and Conclusion among Nutrition-Related Scientific Articles," PLOS Medicine, Public Library of Science, vol. 4(1), pages 1-6, January.
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    2. Thomas Guillemaud & Eric Lombaert & Denis Bourguet, 2016. "Conflicts of Interest in GM Bt Crop Efficacy and Durability Studies," PLOS ONE, Public Library of Science, vol. 11(12), pages 1-14, December.

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