What is Placebo?
Placebo meaning Synonym(s): Sham, Sugar PillAn inactive drug (or other intervention) that is identical in appearance to a therapeutically active drug. In some clinical trials, researchers compare the effects of a placebo with those of an active drug under investigation to determine if the active investigational drug is effective. Related Term(s): Placebo Effect, Placebo-Controlled Trial
reference: AIDSinfo – GlossaryWhat is