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Association found between industry funding and promotional pieces on menopausal hormone therapy

Date:
March 16, 2011
Source:
Public Library of Science
Summary:
There may be a link between receiving industry funding for speaking, consulting, or research, and the publication of apparently promotional opinion pieces on menopausal hormone therapy. Furthermore, such publications may encourage physicians to continue prescribing these therapies to women of menopausal age.

There may be a link between receiving industry funding for speaking, consulting, or research, and the publication of apparently promotional opinion pieces on menopausal hormone therapy. Furthermore, such publications may encourage physicians to continue prescribing these therapies to women of menopausal age.

These are the key findings of a study by Adriane Fugh-Berman from Georgetown University Medical Center, Washington D.C., USA, and colleagues, published in this week's PLoS Medicine.

Over the past three decades, menopausal hormones have been heavily promoted for preventing disease in women. However, the 2004 federally-funded Women's Health Initiative study that enrolled more than 26,000 women in the USA found that the most popular estrogen-progestin and estrogen-only formulations (often prescribed to women around the age of menopause) increased the risk of stroke, deep vein thrombosis, dementia, and incontinence; the combined therapy also increased breast cancer risk. Two years after the results of the Women's Health Initiative were published, a survey of more than 700 practicing gynecologists -- the specialists who prescribe the majority of hormone replacement therapies -- in the USA found that almost half did not find the findings of the Women Health Initiative Study convincing. This current study investigated whether promotional tone could be identified in narrative review articles regarding menopausal hormone therapy.

The authors conducted a comprehensive literature search that identified 340 relevant articles published between July 2002 and June 2006 -- the 4 years following the cessation of the estrogen-progestin arm of the Women's health Initiative study. Ten authors had published 4-6 articles, 47 had published 2-3 articles, and 371 had published one article each. The researchers focused on authors who had published four or more articles in the four-year period under study. After author names and affiliations were removed, 50 articles were independently evaluated by three readers for scientific accuracy and for tone.

Although most of the articles were scientifically accurate, common themes in the 50 articles included arguments that clinical trial results should not guide treatment for individuals, and suggestions that the risks associated with hormone therapy have been exaggerated and that the benefits of hormone therapy have been, or will be, proven. Of the ten authors studied, eight were found to have received payment for speaking or consulting on behalf of menopause hormone manufacturers and 30 of 32 articles evaluated as promoting hormone therapy were written by those with such potential financial conflicts of interest. Articles promoting the use of menopausal hormone therapy were more than twice as likely to have been written by authors with potential conflicts of interest as by authors without such conflicts of interest.

The authors say: "There may be a connection between industry funding for research, speaking, or consulting and the publication of promotional pieces on menopausal hormone therapy." They add: ''Health care providers should exercise caution if they choose to read such articles."

This study received no external or internal funding, and none of the authors received any funds or salary support for conducting this study.


Story Source:

The above story is based on materials provided by Public Library of Science. Note: Materials may be edited for content and length.


Journal Reference:

  1. Fugh-Berman A, McDonald CP, Bell AM, Bethards EC, Scialli AR (2011). Promotional Tone in Reviews of Menopausal Hormone Therapy After the Women's Health Initiative: An Analysis of Published Articles.. PLoS Med, 8(3): e1000425 DOI: 10.1371/journal.pmed.1000425

Cite This Page:

Public Library of Science. "Association found between industry funding and promotional pieces on menopausal hormone therapy." ScienceDaily. ScienceDaily, 16 March 2011. <www.sciencedaily.com/releases/2011/03/110315192707.htm>.
Public Library of Science. (2011, March 16). Association found between industry funding and promotional pieces on menopausal hormone therapy. ScienceDaily. Retrieved September 1, 2014 from www.sciencedaily.com/releases/2011/03/110315192707.htm
Public Library of Science. "Association found between industry funding and promotional pieces on menopausal hormone therapy." ScienceDaily. www.sciencedaily.com/releases/2011/03/110315192707.htm (accessed September 1, 2014).

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