placebo comparator arm
- Guideline or reference source
- ClinicalTrials.gov Glossary of common site terms
- Definition
- A group of participants that receives a placebo during a clinical study. One of several Arm Types.
- Broader Term
- arm types
- Related Term
- active comparator arm
- experimental arm
- no intervention arm
- placebo
- placebo effect
- sham comparator arm
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