What's New in ClinicalTrials.gov


Recently Added Studies

ClinicalTrials.gov contains thousands of studies conducted around the world to test the effect of experimental drugs, devices and procedures for many diseases and conditions. New studies are received daily.
You can search for studies first received within a range of dates with Advanced Search.


Recently Modified Studies

Studies are updated to fix errors and reflect changing circumstances. A common update is to change Recruitment status from "Not Yet Recruiting" to "Recruiting" to "No Longer Recruiting".
  • View studies last updated (includes received) in the last 14 days
  • View studies last updated (includes received) in the last 60 days
You can search for studies last updated within a range of dates with Advanced Search.


ClinicalTrials.gov Archive Site

Historical views of all records are now available via the ClinicalTrials.gov archive site. You will need to supply the NCT number of the record whose history you wish to view. The NCT number can be found at the bottom of every study record.


Information on Selected ClinicalTrials.gov Studies

ClinicalTrials.gov records with published results listed via the PubMed medical literature search service.