> If that's true, I'm confused how this is a "double-blind, randomized, controlled trial"? Those are design descriptions. Double blind means that neither pati

> If that's true, I'm confused how this is a "double-blind, randomized, controlled trial"? Those are design descriptions. Double blind means that neither patient nor the one administering the treatment knows which is which. Randomized only means that each subject is assigned randomly a treatment group. Controlled trial just means that the study design made sure that other variables that are not under experiment are also under control. Nothing about this preclude actions done to the subjects nor sample sizes.