Clinical Trials
Number of records: 288,280 (23,432,831 db inserts)
Years covered: 1900-10/26/2018
Description
ClinicalTrials.gov is a central registration site for clinical trials operated by the National Institutes of Health that has been available to the public since 2000. It was established by law in 1997 as a resource for patients, their family, health care professionals and researchers, to provide easy access to information on clinical studies. Both publicly and privately funded trials are represented.
Source
The full set of Clinical Trials data was downloaded directly from clinicaltrials.gov's search interface (link) in an XML format in January 2012.
Data Fields
The Clinical Trials data dictionary.
- xsd - Clinical Trials public.xsd
- schema - ct_schema_final_clean.sql
Coverage
The SDB Clinical Trial data was downloaded in full in January 2012. The number of records found might differ from searching the online ClinicalTrials site, since ClinicalTrials.gov is updated regularly. See schedule of SDB releases for upcoming data updates.
110 pre-1980 trials not represented above.
Acknowledgments
This data set description was compiled by Robert Light and Katy Börner.
References
NA
Attachments:
CT counts graph 09.25.2012.jpg (image/jpeg)
CT counts graph 09.25.2012.jpg (image/jpeg)
ct dictionary 10.02.2012.xlsx (application/vnd.openxmlformats-officedocument.spreadsheetml.sheet)