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Pharmaceutical
ads in medical journals are often deceiving, leading one team
of researchers to suggest that doctors use caution when reviewing
such ads.
The study of about
100 promotional claims for blood pressure and cholesterol-lowering
drugs in medical journals found that references to research
studies did not support the advertisements’ claims 44
percent of the time.
For blood pressure
medications, references were misleading some 69 percent of
the time, and about 20 percent of ads for cholesterol-lowering
mediation were misleading.
Most commonly,
references were found to be "particularly misleading."
These ads referenced studies that had involved specific groups
of people, such as people who had just had a heart attack,
but then recommended the use of the involved medications for
a different group of people or the general population.
Although strategies,
such as government regulations and reviews by journal editors,
have been put in place in the past to ensure journal ad accuracy,
these measures have not been sufficient.
Researchers say
that doctors should be wary when looking at drug ads, even
if they contain research study references that seem credible.
They note, however, that the accuracy of pharmaceutical advertising
may be improved if the ads were submitted to a review panel
prior to being published.
Lancet
January 4, 2003;361:10-11,27-32 Free Full Text Article
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