In a series of studies for the BMJ on the extent to which clinical trial data are made public, researchers found a large proportion of evidence was unreported and much of what was reported by pharmaceutical firms was inadequate.
"Missing data is a serious problem in clinical research," the scientists said about their findings. "It distorts the scientific record, so that clinical decisions cannot be based on the best evidence."
Tuesday, January 3, 2012
Lies of Omission
Scientists say unreported drug data a health hazard