Randomized Controlled Clinical Trial

**Semantic type:** Research Activity

**Definition:** A study in which the participants are assigned by chance to separate groups to evaluate treatments. The study also includes a control group, which is undergoing the same rigors of the study with placebo treatment or standard treatment. The trial can also be controlled by the addition of a test group to ensure there are no factors present to skew the results and by the inclusion of peer-review analysis by appropriate government officials. 2005

**Synonyms:** - Randomized - Randomized Controlled Trial - Randomized Controlled Trial - randomized controlled trial - randomized controlled trial (RCT)