ClinicalTrials.gov is a database of information on ongoing and completed clinical studies. U.S. laws and other policies specify what information must be provided and for which studies. For more information, see U.S. Laws, Regulations, and Guidance.
Information about a clinical study is submitted by the responsible party to ClinicalTrials.gov via the interactive Web-based Protocol Registration and Results System (PRS) or by uploading XML files to the PRS. Details on the data elements and XML formats are provided below:
Protocol Registration Information
For more details on submitting information to ClinicalTrials.gov, see the Submit Studies section of the site.