Analysis of completed US phase 3 clinical trials (n=5051) registered at ClinicalTrials.gov (first received: 01/01/2002 to 01/01/2014)

"The majority of US phase 3 trials were retrospectively registered. Only three out of ten studies that were completed before January 2011 have results available, data was submitted to ClinicalTrials.gov within12 months by 34% of the investigators." (1) Analysis of unpublished studies follows (infographics). (2) <strong>Current number of completed US phase 3 trials (registered between 2002-2014)</strong> <strong><em>1. Clinical trials with results and without results</em></strong> Intervention = drug | URL: http://goo.gl/s0JciJ<br>Intervention = biological | URL: http://goo.gl/ARQFnJ <strong><em>2. Clinical trials with results</em></strong> Intervention = drug | URL: http://goo.gl/s0JciJ<br>Intervention = biological | URL: http://goo.gl/ARQFnJ <strong>References</strong> 1. Ramirez JH, Palacios M. Re: The US requirement to deposit trial data within a year is unworkable. March 17, 2014. URL: http://www.bmj.com/node/753103 2. Ramirez, Jorge H (2014): Infographics: Unpublished US phase 3 clinical trials (2002-2012) completed before Jan 2011 = 50.8%. figshare.<br>http://dx.doi.org/10.6084/m9.figshare.1121675Retrieved 23:05, Jul 30, 2014 (GMT) This database complies with the terms and conditions of ClinicalTrials.gov (http://clinicaltrials.gov/ct2/about-site/terms-conditions) and the WHO ICTRP (http://www.who.int/ictrp/search/download/en/) for using downloaded data.