Clinicaltrials.gov Identifier

**Semantic type:** Intellectual Product

**Definition:** The unique alphanumeric identifier for a trial as assigned by the Clinicaltrials.gov Protocol Registration and Results System (PRS).

**Synonyms:** - Clinicaltrials.gov ID - Clinicaltrials.gov NCT Identifier - Clinicaltrials.gov NCT Number - NCT ID - NCT Number - NCT Number - Trial ID - clinical trial id - clinical_trial_id