The current stage of a clinical study and whether it is or will be open for enrollment

The recruitment status for the clinical study as a whole, based upon the status of the individual sites. If at least one facility in a multi-site clinical study has an Individual Site Status of "Recruiting," then the Overall Recruitment Status for the study must be "Recruiting."

https://clinicaltrials.gov/ct2/help/glossary/recruitment-status

http://purl.obolibrary.org/obo/opmi.owl

http://www.icmje.org/recommendations/ http://www.who.int/ictrp/network/trds/en/index.html

Oliver He