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Some cancer doctors use Twitter to promote drugs manufactured by companies that pay them, but they almost never disclose their conflicts of interest on the social media platform, a new study shows.
“This is a big problem,” said senior author Dr. Vinay Prasad, a professor at Oregon Health and Science University in Portland. “Doctors are directly telling patients about their views on drugs, and financial conflict plays a role. But they’re not telling patients they have a conflict.”
Prasad - Colleagues - Tweets - Income - Blood
Prasad and his colleagues analyzed the tweets and income of blood cancer specialists who posted regularly on Twitter and received at least $1,000 from drug manufacturers in 2014.
Of the 156 hematologist-oncologists in the study, 81 percent mentioned at least one drug from a company that gave them money, and 52 percent of their tweets mentioned the conflicted drugs, according to a study reported in a letter in The Lancet.
Doctors - Payments - Drug - Companies - Products
Only two of the doctors disclosed that they received payments from the drug companies whose products they mentioned on Twitter.
Cancer drugs tend to be toxic, produce debilitating side effects and are frequently only marginally effective, Prasad said in a phone interview.
Companies - Doctors - Products - Conferences - Seminars
Pharmaceutical companies routinely pay doctors to assess their products and to speak at conferences and seminars.
Bioethicist Susannah Rose, who was not involved with the study, said it “yet again shows the complex issues related to physicians' financial relationships with industry.”
Disclosure - Physicians - Twitter - Profiles - Conflicts
She urged disclosure, possibly in physicians’ Twitter profiles, about conflicts of interests.
Rose, who is scientific director of research for the Cleveland Clinic’s office of patient experience in Ohio and was not involved in the study, suggested in email to Reuters Health that doctors should use a common abbreviation in their tweets to indicate conflicts of interest.
Celebrities - Hashtag - Products - Companies - Prasad
Celebrities use the hashtag #sponsored when they tweet about products from companies that pay them, Prasad said.
“Maybe we can learn something from...
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