U.S. Department of Health and Human ServicesHHS National Institutes of HealthNIH National Center for Advancing Translational SciencesNCATS

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Placebo comparator arm
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Placebo comparator arm refers to the group of participants receiving a placebo during a clinical trial.

Sourced From
ClinicalTrials.gov Glossary of Common Site Terms

Synonyms:
Placebo arm; Placebo group
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