New England Journal of Medicine ignored Chuck Benbrook’s failure to disclose organic conflicts of interests

NEJM Benbrook conflict of interest

The New England Journal of Medicine, frequently referenced as NEJM, has a long history and important place in the sphere of American medical practice.

During the recent 200th anniversary celebration, a special issue highlighted the changes in the challenges that patients and medical practitioners have faced over the centuries. Some threats, like smallpox, had completely been vanquished during this time thanks to vaccines. Other issues have changed in proportion, as so many of us live longer and our world has changed in remarkable ways. This piece, The Burden of Disease and the Changing Task of Medicine, offers a fascinating interactive graphic of the causes of death today versus those in the past.

Access to new technology has certainly played a part in reducing the threats that used to plague us. Nobody calls for us to return to a time when diabetes killed children. Production of insulin by genetically modified bacteria has changed the course of this disease completely. And there is also hope that new technology and strategies can continue to prevent and reduce the impact of this condition going forward.

A journal with such prestige and position also has great responsibility to influence the practice of and the policies of the medical community and government regulators. As noted in the anniversary collection, the roles of medical journals remains crucial:

Journals don’t simply disseminate new knowledge about medical theory and practice. They also define the scope of medical concerns and articulate norms for physicians’ professional and social roles. Simultaneously, they work to preserve their reputation, financial stability, and editorial independence in a constantly changing publishing environment, amid an avalanche of medical information.

In an age of changing media, especially, a medical journal must maintain basic principles of adherence to quality scientific information and navigate the minefields of potential conflicts of interest that practitioners of science or influencers of policy might have in order to remain a trustworthy source of information and policy guidance. For example, if a new treatment for Ebola was developed, it would be important to disclose if funding for the studies was provided by the treatment developer. The science should still be evaluated on its merits, but journal editors require this information to accompany the published work in their journals. The International Committee of Medical Journal Editors (ICMJE) provides guidance and forms for this purpose for all authors in this sphere. Responsibly, NEJM discussed and formulated policies for dealing with conflicts of interest many years ago. Presciently, It stated in 1984:

We will therefore suggest to our authors that they routinely acknowledge in a footnote all funding sources supporting their submitted work. Likewise, any relevant direct business associations should also be acknowledged, such as employment by a corporation that has a financial interest in the work being reported.

Despite having clear policy guidelines in place, a recent opinion piece published in the NEJM by a physician and an economist focusing on the controversial issue of GMOs and pesticides escaped the proper scrutiny. The perspective piece, published on August 20, 2015 attempted to guide public policy but it failed to disclose the possible influencers or conflicts of interests of the authors. Attempts to address this with the journal’s editor, and inquiries to the ICMJE, were unsuccessful. The refusal to examine the evidence and to rectify this undermines the credibility of the journal and would be a perplexing precedent.

No conflicts acknowledged

GMOs, Herbicides, and Public Health” by Philip J. Landrigan, M.D., and Charles Benbrook, Ph.D., asked for the FDA to alter its policy on genetically modified food labeling because of what they say are two significant new developments.

First, there have been sharp increases in the amounts and numbers of chemical herbicides applied to GM crops, and still further increases—the largest in a generation—are scheduled to occur in the next few years. Second, the International Agency for Research on Cancer (IARC) has classified glyphosate, the herbicide most widely used on GM crops, as a “probable human carcinogen” and classified a second herbicide, 2,4-dichlorophenoxyacetic acid (2,4-D), as a “possible human carcinogen.

Numerous researchers with experience in this arena have challenged the factual contentions in the article. That’s not the focus on this article; everyone has a right to express their opinion, and the authors are well known in their fields. My concern is disclosing potential conflicts of interest so the reader is fully informed about potential biases and can therefore better evaluate both the substance and context of the arguments.

Original disclosure documents filed by the authors on July 1 2015 were provided. Benbrook responded to a series of questions:

Did you or your institution at any time receive payment or services from a third party (government, commercial, private foundation, etc.) for any aspect of the submitted work (including but not limited to grants, data monitoring board, study design, manuscript preparation, statistical analysis, etc.)? 

Answer NO                

Place a check in the appropriate boxes in the table to indicate whether you have financial relationships (regardless of amount of compensation) with entities as described in the instructions. Use one line for each entity; add as many lines as you need by clicking the “Add +” box. You should report relationships that were present during the 36 months prior to publication. 

Answer NO

Just to make sure there was no confusion about the COI request, ICMJE has a summary question:

Are there other relationships or activities that readers could perceive to have influenced, or that give the appearance of potentially influencing, what you wrote in the submitted work? 

Ben brook’s original filing is reproduced below:

Screen Shot 2015-10-19 at 2.10.15 PM

But his answers did not appear to be candid. From 2012-May 2014 — well before the publication date of this opinion piece — Benbrook had been an adjunct “research” professor at the Center for Sustaining Agriculture and Natural Resources (CSANR) at Washington State University (WSU). He served as the leader of the CSANR program called Measure to Manage (M2M): Farm and Food Diagnostics for Sustainability and Health (M2M). The stated goal of M2M was to “develop, refine, validate, and apply analytical systems quantifying the impacts of farming systems, technology, and policy on food nutritional quality, food safety, agricultural productivity, economic performance along food value chains, and on natural resources and the environment.”

According to this document from the CSANR website — since removed by the university [but available here] — Benbrook’s entire salary and his M2M research program was funded by the organic industry with no funding support from any independent or university sources. Screen Shot 2015-10-19 at 2.21.40 PM

Benbrook apparently had concluded that these relationships did not merit a mention to the question about his “relationships or activities that readers could perceive to have influenced, or that give the appearance of potentially influencing, what you wrote in the submitted work.”

Related article:  Are GMOs to blame for the loss of nutrients in our fruits and vegetables?

But that was not the entirety of Benbrook’s conflicts of interest. Soon after the New York Times published additional evidence of undisclosed relationships of both authors. Reporter Eric Lipton used the Washington state Freedom of Information Act (FOIA) to obtain emails from Benbrook, which further demonstrate the close ties to the organic industry for both writers. Other emails obtained by a separate FOIA request reveal an even more elaborate web of influence and conflicts.

FOIA’d documents show that Benbrook received more than $128,000 in 2013 from Washington University, with all the funding coming from industry sources.2015-08-29_17-27-40 salary Benbrook 2013

There are a number of other curious features of Benbrook’s claims that had “nothing to disclose”. First, emails suggest that as of no later than May 28, 2015, Benbrook had separated from his position at Washington State University (NYTimes emails, page 49) (Further revelations indicate Benbrook had been severed from his position on May 15.)JessicaShade_moveWSU

So it is not clear if Benbrook was still affiliated with WSU, as the NEJM article represents, when the opinion piece was initially submitted; but he was well aware that he was no longer at WSU during the evaluation process and before publication. There is no indication he took any action to correct what ended up being an erroneous claim of employment.

There were also more details disclosed about the funding sources for his M2M program. All the funders who provided Benbrook’s salary are key players in the organic industry. The “Now Task” email sent on Sept 4, 2014 includes an attachment with funding details of this program (Funder_2012-2013_Update.docx). Funding sources include a number of organic industry sources, including Stonyfield, Whole Foods, Organic Valley, Clif Bar, The Organic Center (TOC), Organic Trade Association (OTA), and Chipotle, among others. Much of this would fall within the time period specified in the disclosure forms: “You should report relationships that were present during the 36 months prior to publication”. [emphasis ICMJE]M2M_funding

Further, this document describes some other relationships relevant to this arena but not disclosed. Benbrook had run Benbrook Consulting Services for more than 20 years, serving on a board certifying “ecolabels” and another for non-GMO products, and acting as an advisor to Whole Foods Market — an outspoken critic of the use of glyphosate (Whole Foods includes glyphosate on its Prohibited and Restricted pesticide list). Benbrook also did not disclose his involvement with an eco-label certification organization and another business relationship that he maintained with Pesticide Data Central, selling data, advice, and services associated with this topic.Benbrook_other_activities

If these boards and consultancies were pharmaceutical relationships linked to a researcher, certainly NEJM would find them valid conflicts.

There are other relationships that are not disclosed for both Benbrook and Landrigan. Here we see that Gary Hirshberg of Stonyfield farms, a producer of organic foods and active funder of mandatory GMO labeling campaigns, coordinated with both Landrigan and Benbrook on May 26, 2015 for travel and content to a July 8 Washington meeting with Wal-Mart coinciding with debate over a House vote on labeling. The agenda: a discussion titled, “Conclusions, Proposals, and Next Steps —Why a Mandatory GMO Labeling Policy can contribute to positive change and increased consumer confidence.” [NYT collection, pages 7-9]

Shown here is a sample of the email documents:landrigan_benbrook_stonyfield

The DC event appeared to be an attempt, in part orchestrated by Benbrook, to influence WalMart’s future purchasing policies in favor of organic producers. In addition to the Walmart event, Agri-Pulse reported on a Washington DC breakfast the same day [NYTimes collection, page 14]:DC_lobbying

This evidence of direct and coincident involvement with this industry and lobbying was not disclosed by either Benbrook or Landrigan, as evidence by the forms they submitted. And yet it would seem to violate the policy guidelines of the ICMJE, which includes:

When authors submit a manuscript of any type or format they are responsible for disclosing all financial and personal relationships that might bias or be seen to bias their work.

After the Times emails were posted, and after NEJM had been approached by numerous people, Benbrook did submit a revised answer to one question–whether he had any relationships or activities that readers could perceive as a conflict.Screen Shot 2015-10-19 at 2.56.38 PM

The only additional disclosures: he was a member of a USDA crop biotech advisory committee and was a Principal in Benbrook consulting. He did not disclose the two clients most relevant to his opinion: Whole Foods, which has an anti-glyphosate policy and the Pesticide Data Center. In fact there is no acknowledgement of any of his extensive connections to the organic industry. As Benbrook’s CV on display at the Pesticide Data Center, Benbrook is also a consultant to the Organic Center, a research and lobbying arm of the Organic Trade Association — a direct and unmentioned conflict.

When the NEJM editorial team was approached with this evidence, Steven Morrissey PhD, managing editor of NEJM, declined to evaluate this public evidence. ICMJE responded that they “do not, however, have any ability to investigate or authority over its use by or the practices of other journals”, so paths for how to address this with normal channels remain unclear.

What if researchers and physicians associated with a statin drug were taking trips to Washington with a lobbying group, and attempting to influence major pharmacy chains’ purchasing policies and FDA treatment recommendation? Would we expect this to be disclosed by authors in the NEJM? Of course. The science should still be evaluated on its merits, but disclosure of the relationship would be required. This situation is no different. Here Landrigan and Benbrook failed to disclose their relationships. And NEJM should insist on corrections to their disclosure forms, so that physicians, journalists, and general public readers understand this influence.

If the editors of the prestigious New England Journal of Medicine intends to be a credible voice among the noise of nonsense on many medical and public policy issues, they need to adhere to the principles of scientific evidence and disclosure on all fronts. It’s difficult enough to find credible information in these days of dubious scientific publishers and free-range social media. Undermining the confidence in reputable scientific publications could only make things worse.

Mary Mangan, Ph.D., received her education in microbiology, immunology, plant cell biology, and mammalian cell, developmental, and molecular biology. She co-founded OpenHelix, a company providing training on open source software associated with the burgeoning genomics arena, over a decade ago. All comments here are her own, and do not represent her company or any other company. You can contact Mary via twitter: @mem_somerville

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