Home | ClinicalTrials. gov There are two types of clinical studies: interventional studies (also called clinical trials) and observational studies The unique identification code given to each clinical study upon registration at ClinicalTrials gov The format is "NCT" followed by an 8-digit number (for example, NCT00000419)
Clinical - definition of clinical by The Free Dictionary 1 pertaining to a clinic 2 concerned with or based on actual observation and treatment of disease in patients rather than experimentation or theory 3 dispassionately analytic; unemotionally critical: clinical detachment 4 pertaining to or used in a sickroom: a clinical bandage