Randomised Study is the considered as the gold standard for trials.
Placebos are dummy pills . Placebos are inactive drugs that look like the real drug but are essentially sugar coated dummy pills.
Trials which involve a placebo vs active drug comparison are considered one of the best trials for some clinical situations.
A “randomised trial” involving “Chloroquine ” and “placebo ” has been published in NEJM .
The trial suggests Chloroquine is not better than a placebo in treatment of COVID.
1. Guardian newspaper: Coronavirus outbreak
2. NEJM. https://www.nejm.org/
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