Until now, the industry’s track record has left much to be desired. Currently, companies seeking approval for new drugs must supply basic information about all their completed studies with ClinicalTrials.gov, a government website. But fewer than half of the studies registered there are published in journals. One-quarter to one-half of clinical trials for drugs that gained Food and Drug Administration approval remain unpublished several years later. A much higher proportion of the unpublished studies turn out to have unfavorable results for the marketed treatment.
via boston.com
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