CONTROLLED TRIAL


Meaning of CONTROLLED TRIAL in English

a clinical trial in which the group receiving an experimental therapy is compared to a control group that is not given the intervention being studied. In a placebo-controlled trial the control group is given an inactive substance (placebo); in an active control trial the control group is given the best existing proven therapy. Contrast with uncontrolled trial. See also placebo-controlled trial.

AIDS English Glossary.      Английский словарь СПИДа.