placeboAn inactive substance, treatment or procedure that is intended to provide baseline measurements for the experimental protocol of a clinical trial.Check for active clinical trials using this agentView this agent in the NCI ThesaurusAbbreviation:PLCBSearch NCI's Drug DictionaryStarts withContainsPlease enter up to 30 characters for your searchBrowse:ABCDEFGHIJKLMNOPQRSTUVWXYZ#