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ClinicalTrials.gov Menu IMPORTANT: Listing of a study on this site does not reflect endorsement by the National Institutes of Health. Talk with a trusted healthcare professional before volunteering for a study. Read more...
ClinicalTrials.gov Menu IMPORTANT: Talk with a trusted healthcare professional before volunteering for a study. Read more...

Glossary Definition

CLINICALTRIALS.GOV IDENTIFIER (NCT NUMBER)
A unique identification code given to each clinical study registered on ClinicalTrials.gov. The format is "NCT" followed by an 8-digit number (for example, NCT00000419). This identifier is also known as the NCT Number.