...As evidence, they cited a study conducted at Yale University in 2012. Researchers studied a sample of trials using NIH money and found that fewer than half had results published within 30 months of the trials’ end.
Under a pair of related proposals announced by NIH officials, researchers will be given specific guidelines on which trials are covered by the rules and which penalties will be levied against researchers who fail to comply. The current law is not specific, NIH officials said. That has left researchers uncertain—or able to claim uncertainty—about the law’s exact requirements.