a clinical trial in which one group of volunteers is given the experimental drug, and the other group is given a placebo. The results of the two groups is compared to see if the experimental drug was effective compared to the placebo. In many HIV-related clinical trials, some approved treatment is used instead of a placebo.
PLACEBO-CONTROLLED CLINICAL TRIAL
Meaning of PLACEBO-CONTROLLED CLINICAL TRIAL in English
AIDS English Glossary. Английский словарь СПИДа. 2012