Glossary Definition

Studies that are currently recruiting participants, will be recruiting participants in the future, or involve drugs that are available for expanded access. Recruitment statuses for open studies appear in green text in search results and study records. These are:

Not yet recruiting
Available for expanded access

Note: For open studies, the word "Unknown," in brown text, means that a study record with a Recruiting or Not yet recruiting status has not been verified on within the past 2 years. (See Last Verified Date.)