The majority of clinical trials are
still not reporting their results to the US government's ClinicalTrials.gov
website, despite legal requirements that they do so, according to a study in
the New England Journal of Medicine.
"From all the trials at ClinicalTrials.gov, we
identified 13,327 HLACTs (highly likely applicable clinical trials) that were
terminated or completed from January 1, 2008, through August 31, 2012,"
the researchers wrote. "Of these trials, 77.4% were classified as drug
trials."
They found that "an average of just 13.4 percent of
eligible trials reported findings within the required one-year window" for
reporting, stated a Duke University press release about the study. "For
industry-sponsored trials, the rate was 17 percent. It was 5.7 percent for
trials funded by academic or government sources other than the (National
Institute of Health) and 8.1 percent for NIH-funded trials."
Compliance did improve somewhat over time. "At five
years, 41.5 percent of industry-funded trials, 27.7 percent of
academic/non-NIH-funded trials, and 38.9 percent of NIH-funded trials had
reported results," stated the press release. "Study authors said the
lack of transparency by industry, federal funders and academia has created a
critical information gap about investigational drugs, devices and biologic
therapies that not only hampers progress, but also violates obligations to
patients."
Clinical
trial sponsors fail to report results to participants, public (Duke
University press release on MedicalXpress, March 11, 2015)
Anderson, Monique L., Karen Chiswell, Eric D. Peterson, Asba
Tasneem, James Topping, and Robert M. Califf. “Compliance with Results
Reporting at ClinicalTrials.gov.” New England Journal of Medicine 372, no. 11
(March 12, 2015): 1031–39. doi:10.1056/NEJMsa1409364. (Abstract)
--Rob Wipond,
News Editor
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Thank You Mr Wipond and MIA.
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