Last Updated— Specify a From date to find studies updated on on or after that date. Specify a To date to find studies updated on or before that date. Specify both From and To dates to find studies that were updated during a certain time period. If no dates are entered, all studies will be included in your search results.
Dates should be entered in MM/DD/YYYY format. For example, March 1, 2006, is entered as "03/01/2006."
The last updated date is the most recent date that changes to study information were submitted to There may be a delay of a few days to a few weeks before the updated study information is available on This date may be different from the last verified date.