Buck(noun) the male of deer, especially fallow deer and antelopes, or of goats, sheep, hares, and rabbits. Buck(noun) a gay, dashing young fellow; a fop; a dandy. Buck(noun) a male Indian or negro. Buck(verb) to copulate, as bucks and does.
The idea. The idea for a clinical research study â also known as a clinical trial â often originates in the laboratory. After researchers test new therapies or procedures in the laboratory and in animal studies, the most promising experimental treatments are moved into clinical trials, which are conducted in phases.
A clinical study involves research using human volunteers (also called participants) that is intended to add to medical knowledge. There are two main types of clinical studies: clinical trials (also called interventional studies) and observational studies. ClinicalTrials.gov includes both interventional and observational studies. Clinical Trials