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Glossary Definition

RECRUITMENT STATUS
Indicates the current stage of a clinical study and whether it is or will be open for enrollment. The possible recruitment statuses are:

Possible recruiting statuses
Open Studies Not yet recruiting The study has not started recruiting participants.
Recruiting The study is currently recruiting participants.
Available for expanded access An Expanded Access program is currently available for this study intervention.
Closed Studies Active, not recruiting The study is ongoing (that is, participants are receiving an intervention or being examined), but potential participants are not currently being recruited or enrolled.
Completed The study has ended normally, and participants are no longer being examined or treated (that is, the "last subject, last visit" has occurred).
Terminated The study has stopped recruiting or enrolling participants early and will not start again. Participants are no longer being examined or treated.
Suspended The study has stopped recruiting or enrolling participants early, but may start again.
Withdrawn The study stopped early, before enrolling its first participant.
Enrolling by invitation A study that selects its participants from a population, or group of people, decided on in advance by the researchers. These studies are not open to everyone who meets the eligibility criteria, but only to people in that particular population, who are specifically invited to participate.
Temporarily not available for expanded access An Expanded Access program is not currently available for this intervention but is expected to be available in the future.
Temporarily not available for expanded access An Expanded Access program is not currently available for this intervention but is expected to be available in the future.
No longer available for expanded access An Expanded Access program was available for this study intervention previously but is not currently available and will not be available in the future.
Approved for marketing Applies to an Expanded Access program. The intervention has been approved for sale to the public.
Open or Closed Studies Unknown A study in ClinicalTrials.gov with a status of Recruiting; Not yet recruiting; or Active, not recruiting and whose status has not been verified within the past 2 years. Studies with an Unknown recruitment status are considered open studies or closed studies, depending on their last known recruitment status

(See also Overall Recruitment Status data element and Recruitment Status data element on ClinicalTrials.gov on ClinicalTrials.gov.)