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Other terms
- Electronic Source (eSource)
- Eligibility Criteria
- Endometriosis
- Endoscopic Retrograde Cholangiopancreatography (ERCP)
- Endpoint
- Enrollment
- Epilepsy
- Epileptologists
- ePRO (Electronic Patient-Reported Outcome)
- Erythema
- eTMF
- Fibrosis
Efficacy
Efficacy is the ability of a clinical trial drug or treatment to create the desired therapeutic effect. Efficacy is studied in Phase II of a clinical trial, and confirmed in Phase III.
We evaluate efficacy under highly controlled conditions, and thus the performance of the intervention may not be completely replicated in a real-world setting.
Source: NIA Glossary of Clinical Research Terms. (n.d.). National Institute on Aging. Retrieved January 8, 2022, from https://www.nia.nih.gov/research/dgcg/nia-glossary-clinical-research-terms
