<prompt> The following is true of placeboPlacebo is a dummy medicationPlacebo in the ine material added to the drug for making tabletsPlacebos do not produce any effectAll patient respond to Placebo  <response>: Ref-KDT 6e p65 Placebo plays a very impoant role in the clinical trials. To know, whether the effect is produced by a drug or it is just by chance, Ada me medication known as placebo is given to the control group, placebo may or may not produce an effect in a subject 