ClinicalTrials.gov
Theme Clinical Trials
Is it published under an open license? unknown
Price (USD) unknown
Description
ClinicalTrials.gov is a service of the U.S. National Institutes of Health and currently lists 197,314 studies with locations in all 50 U.S. states and in 190 countries. It is maintained by the National Library of Medicine (NLM) at the National Institutes of Health (NIH). Information on ClinicalTrials.gov is provided and updated by the sponsor or principal investigator of the clinical study. Studies are generally submitted to the Web site (that is, registered) when they begin, and the information on the site is updated throughout the study. In some cases, results of the study are submitted after the study ends.