Clever A clinical trial is the study of new drugs for use in treatment of diseases. It is the first step in getting new medicine into the medical community. The trial protocol is developed first. It is a detailed plan which includes the reasons for the trial as well as the goal. Who qualifies is established by listing inclusion and exclusion criteria.
Trials have three phases.
I, experiments are done by using the blood of human subjects. The drug is tested on human cells in a laboratory. It is not administered to the participant. Phase one trials require a lot of detailed testing and therefore a lot of blood must be drawn from the person who is participating. In the first phase, scientists do tests to find out what dosages should be used.