Clinical Trial Rules to Improve Access to Results

November 26, 2014

(Nature) – The US website ClinicalTrials.gov is the world’s largest repository of clinical-trial information, containing the results of more than 179,000 studies conducted in 187 countries. Yet the database represents only a fraction of the trials that are run. Despite US laws requiring that results be posted to the site, drug companies and academic researchers have found numerous ways to withhold data that show that a drug did not work or had serious side effects.